Carrier 58MTA120F10120 Furnace installation Guide

88MTA
DeMu×e 4-Way NuMtipoise 2-Stage
Direct Vent Condensing
Gas Furnace
HEATUNG & COOUNG
\isit x__ v_.carrier.com
tnstammation, Start-up,
and Operating
tnstructions
Sizes 060-120, Series 120
NOTE: Read theentire instruction manual be%re starting the
installation.
Pressure Switch Tubing .....................................................
Condensate Trap Freeze Protection ...................
Horizontal Left (Supply-Air Discharge) Applications .....
Condensate Trap Location ........................
Condensate Trap Tubing ............................
Condensate Trap Field Drain Attachments ..............
Pressure Switch Tubing ..........................
Condensate Trap Freeze Protection ..................
Construct a Working Platform .........................
Horizontal Right (Supply=Air Discharge) Applications ........
Condensate Trap Location ..........................
Condensate Trap Tubing ............................
Condensate Trap Field Drain Attachment ..............
Pressure Switch Tubing ...........................
Condensate Trap Freeze Protection ..................
Construct a Working Platform ......................
This symbol --> indicates a change since the last issue,
A93040
TABLE
OF CONTENTS
SAFETY ( ONSIDERATIONS
.....................................................
2
INTRODU( TION
2
(?ODES AND STANDARDS ............................
3
Safety .........................................................................................
General Installation ...................................................................
Confhustion and Ventilation Air ..............................................
Duct Systems ............................................................................
Acoustical Lining and Fibrous Glass Duct
Gas Piping and Gas Pipe Pressure Testing .................
Electrical ( onnections .............................
ELECTROSTATIC
DISCHARGE
(ESD) PRE(AUTIONS
....
3
3
3
5
5
5
5
6
6
6
Condensate Trap Freeze Protection ...................
Downftow Applications .............................
Condensate Trap Location .........................
Condensate Trap Tubing ...........................
Condensate Trap Field Drain Attachment ..............
8
8
8
9
10
Manufacturer
reserves
PC 101
the right
to disoontinue,
Catalog No. 535-80129
or change
13
13
INSTALLATION .....................................
Leveling Legs (If*
Desired) ...........................
Installation in Up flow and Down flow
Applications ......................................
Installation in Horizontal Applications ..................
Air Ducts .........................................
i5
15
6
6
7
7
8
8
8
14
15
General Requirements ...........................
Ductwork Acoustical Treatment ....................
17
17
Supply Air Connections ..........................
Return Air ( onnections ..........................
17
17
18
19
Gas Piping ......................................
Electrical ( onnections ..............................
20
20
115=V Wiring .................................
24-V Wiring ...................................
Accesso*ies ....................................
Direct Venting ......................................
Removal of Existing Furnaces flora Common Vent
Systems ..........................................
Combustion-Air and Vent Piping .......................
Concentric Vent and Combustion-Air Termination
Kit Installation ...................................
Multiventing and Vent Terminations ..................
Condensate D*ain .................................
General ......................................
Application ....................................
Condensation Drain Protection .....................
22
23
23
23
START=UP ADJUSTMENT AND SAFETY (HE(K
General ...........................................
Prime (ondensate Trap With Warm ...................
Purge Gas Lines ..................................
Form
15
17
17
Elite* Arrangement ....................................
Bottom Closure Panel ..............................
at any time, specifications
Printed in USA
13
13
I3
13
13
LO( ATION ..........................................
General .........................................
Furnace Location Relative to (ooling
Equipment .......................................
Hazardous Locations ...............................
5
APPLI( ATIONS .....................................
General .............................................
Lpflow Applications ...............................
Condensate Trap Location (Factory=Shipped
Orientation) .......................................
Condensate Trap Tubing (Factou=Shipped
Orientation) ......................................
Condensate Trap Location (Alternate Upflow
Orientation) .....................................
Condensate Trap Tubing (Alternate Upflow
Orientation) ......................................
Condensate Trap Field Drain Attachment ...............
Pressure Switch Tubing ................................
Upper Collector Box and Inducer Housing (Unused)
Drain ( onnections ..............................
10
10
l0
10
10
l0
l0
11
11
or des}gns
58MTA-7SI
without
notice
Pg 1
and without
5-04
........
23
25
30
33
33
33
34
34
34
34
37
37
inourring obligations.
Replaces:
58MTA-6SI
such as cleaning
and replacing
be performed
by
heating equipment,
on
labels
attached
precautions
These
instructions
or
cover
national
instructions
especially
to
shipped
those
the minimmn
standards
safety
C[TS
unit
and
exceed
requirements
and safkty codes.
certain
other
safety
local
codes
and conform
In some
and
instances,
ordinances,
that may not have kept up with changing
tial construction
practices.
We
minimum
fbr a saf_ installation.
Wear
with
must
working
on
on tags, and
that may apply.
to existing
these
air filters. All other operations
trained
sma'ice personnel
When
observe precautions
in literatme,
glasses
and work
AND ABRASION
require
these
residen=
instructions
as
a
gloves
HAZARD
Failure to %llow this caution may result in personal iaju W.
Sheet metal parts may have sharp edges or bun's Use care and
wear appropriate protective clothing and gloves when ban=
dling parts.
Have a fire extinguisher available during start-up and adjustment
procedures and service calls
; I
Recognize safkty information. This is the safety-alert symbol
When you see this symbol on the unit and in instructions
manuals, be almt to the potential for personal inju W
or
Understand these signal words: DANGER, WARNING, (AU=
TION, and NOTE. These words are used with the safkty=alert
symbol. DANGER identifies the most serious hazards which will
result in severe personal injury or death. WARNING signifies
hazards which could result in personal injury or death. (AUTION
is used to identify unsafe practices which may result in minor
personal injury or prodact and property damage. NOTE is used to
highlight suggestions which will result in enhanced installation,
reliability', or operation.
REGISTERED QUALITY SYSTEM
AIRFLOW
SAFETY
FURNA(E
Improper
RELIABILITY
installation
4>
CONSIDERATIONS
HAZARD
or misapplication
of" furnace
can require
excessive servicing or cause premature
component
failure
Application
of this i\u'nace should be indoors with special
attention
given to vent sizing
temperature
rise,
and material,
unit leveling,
and unit sizing
FIRE, EXPLOSION,
ELECTRICAL
SHOCK
AND
CARBON MONOXIDE POISONING HAZARD
Failme to follow this warning could result in electrical shock,
firQ personal ir{jnry, or death.
Improper installation, ad}ustn_ent, alteration service, mainte=
nance, o* use can cause carbon monoxide poisoning, explo=
sion, fire, electrical shock, o* other conditions which may
cause personal injury or property damage. Consuh a qualified
installer, smwice agency, local gas supplier, or your distribu=
tot or branch fbr information or assistance. The qualified
installer or agency must use only fi_ctmy=authorized and
listed kits or accessories when modif}'ing this product.
Installing
and servicing
gas
electrical
and
personnel
should
Untrained
personnel
heating
equipment
components.
install,
can
repair,
perform
p
gas input rate, air
Only
can be hazardous
trained
or service
basic
and
heating
maintenance
due to
qualified
equipment.
fhnctions
AIRFLOW
AIRFLOW
©
AIRFLOW
A93041
Fig. 1--MuRipoise
Orientations
INTRODUCTION
The model 5SMTA, 2=Stage, 4=way multipoise, Gas=Fired, Cat=
egory IV, direct vent condensing fhrnace is available in model
sizes ranging in high-stage gas input rates of 60,000 to 120,000
Btuh This furnace is CSA. (fbm_erly AGA and CGA) design=
certified l\_r natnral and propane gases (see furnace rating plate)
and fbr installation in alcoves, attics, basements, closets, utility
rooms, crawlspaces, and garages. This furnace is factory=shipped
%r use with natural
gas conversion
propane
A (,SA
(%rmerly
kit is required
gas
to convert
shall
not be installed
proper furnace installation
blower con_partrnent.
directly
%r use with
combustible
material
downflow
installations,
a fi_ctory accessory
when installed
on combustible
base is not required
manul:acmrer's
other
on carpeting,
any other
Special
This
f;arnace
gas,
This furnace
used
AGA and CGA) listed
d-ian wood
materials
coil assembly
of the 58MTA
furnace
AGA
certified
installation
and
(CA)
vehicles,
installation
completed
in a structure
at final
1. Combustion
must
section
coil box
User's Information
(fbm_erly
mobile
Warranty
homes,
is suitable
building
cially available
soap
solution
and "Start=Up,
in
Use a commer-
made specifically
Adjustment,
and Safety
install furnace
temperature-rise
external
to operate
range
static
with
pressure
a \mace
circulated
is installed
containing
system
Box or condensate
so that
air shall
casing
which
has
range,
supply
an
as speci=
ducts
plate.
Drain tube coupting
1
Drain tube coupling grommet
1
Vent and combustion-air
2
the space containing
also be handled
and terminating
For accesso_
instruction
by duct(s)
outside
the space
temperature
Remove
Follow
all nationM
is
designed
must
for
not
exceed
continuous
This
is shipped
nected
for UPFLOW
quired
when
used
return=air
dh. Failure
re['cr to the accesso_-
materials
AND
before
operating
\mace.
STANDARDS
and local codes
and standards
The installation
must comply
instructions.
installation
in addition
to
with regulations
having
with
of
as shown
must
LEFT
atmosphere
the &ain
(supply-air
be installed
discharge
and flue
and
con=
are re=
(combustion
kit. In a
installation.
and ( anada, follow
to the outdoor
vent-air
intake
National
Installation
and all authorities
all codes and standards
fbr
2--General
Systems
ANSI NFPA
Standard
of Canada,
(ode
(NSCNGPI()
90B
Natural
C SA B149
Gas
Installation
or for only the NFG(
400 N (apitol,
N.W.,
contact the American
Gas
Washington
DC 20001
CANADA:
NSCNGPIC
For a copy, contact Standard
CSA International.,
178 Rexdale
Boulevard,
Etobicoke
onto),
Step
*
arid
1-00
US: NFG( arid the NFPA 90B. For copies, contact the National
Fire Protection
Association
Inc., Batterymarch
Park, Quincy,
MA 02269;
Association,
air
fiom the
for proper
*
appli-
tem_ination
accessory
below
US: National
Fuel Gas (ode
(NFGC) NFPA 54-2002 ANSI
Z223,1-2002
and the Installation Standards,
Warm Air Heating
Step
section.
is taken directly
factory
listed
l--Safety
CANADA:
RIGHT,
direction)
in Applications
gases are discharged
States
and Air (onditioning
these
tubes
HORIZONTAL
and a factor T accessory
kit instructions
*
motors
modifications
with a direct=vent
all air for combustion
furnace
to follow
and pressure
Minor
in Fig. 1. See details
and flue gas) system
system,
with
codes
the following:
Propane
applications.
the national
jurisdiction.
n_ininmm
of heat exchangers,
in DOWNFLOW,
or HORIZONTAL
See
85°F
may af_bct reliability
(See Fig. 4.)
furnace
all shipping
CODES
these
detail,
comply
air limits
termination
1
1"
furnace fbr installation
in a residential
garage must
as specified in the warning box in the "Location"
and controls.
atmosphere.
2
disk assembly
of the ser_-ing gas supplier, local building, heating, plumbing,
and
other codes. In absence
of local codes, the installation
must
temperature
of 60°F db or intetw_ittent operation
down to 55°F dh
such as when used with a night setback them_ostat.
Return-air
outdoor
intake pipe perforated
installation
NOTE:
Step
furnace
direct=vent
3
intake hote filler plug
ONLY supplied with some furnaces.
In the United
This filrnace
intake pipe support
trap hole filler plug
carl T air
6. The furnace
is not to be used for tempora W heating
buildings
or structures
under construction.
cations
1
the fi_rnace.
5. A gas-fired
be installed
section,
return
trap extension tube
1
2
Combustion-air
sec=
intended
See fl_rnace rating
to areas outside
d_e remm
sealed to the furnace
the furnace's
the allowable
section.
by the furnace
the \mace,
within
a duct
within
fled in the "Adjustments"
This
Quantity
1
Vent and combustion-air
in the "Gas
Check"
Manual
Vent Pipe Extension
3. Always
in
in the main
Inducer housing drain tube
1/2-in CPVC street elbow
Condensate
for the detec-
as specified
to assist
Certificate
Collector
(onnect
only, as specified
flame.
materials
are shipped
Loose Parts Bag includes:
Pressure tube extension
for
instructions
with an open
materials
Installation, Startup, and Operating Instructions
Service and Maintenance Instructions
on the
outdoors.
vent system
tion of leaks to check all connections,
4. When
in
furnace
be discharged
of these
test for gas leaks
Piping"
rich.
is installed
on site or a manufSctured
to an approved
the "Venting"
2. Never
built
This
the %llowing
These
Installer Packet includes:
site.
products
this \mace
%r
or outdoors.
be
flooring.
is not C.S.A.
with
For
must
or when the manufacturer's
is used. The design
recreational
base
and wood
when this \mace
is shipped
tile, o1"
flooring.
floor
furnace
Ontario,
M9W
a--Combustion
US: Section
Ventilation
CANADA:
Supply
83
1R3, Canada
and
of the
Ventilation
Air
NFGC,
fbr
Part 7 of due NSCNGPIC,
for Appliances
Sales,
(Tor-
Air
Venting
Cornbustion
Systems
arid
and Air
O
AIRFLOW
TYP
CONDENSATE
DRAIN
TRAP LOCATION
(DOWNFLOW &
HORIZONTAL
LEFT)
z-
OUTL
CONDENSATE
DRAIN
TRAP LOCATION _
{DOWNFLOW &
HORIZONTAL
RIGHT)
OR ALTERNATE
_NN DIA GAS CONN
?_-IN DIA
POWER CONN
POWER
!'NN D_A
THERMOSTAT
ENTRY
22 Hid
_s-IN DIA
ACCESSORY
POWER ENTRY
24
SIDE INLET
9 _"
TYP
INLET
CONDENSATE
DRAIN LOCATION
(UPFLOW)
1½_,
11 i¢ ,,,4_,.
DRAIN LOCATION
(UPFLOW)
DIMPLE LOCATORS
FOR HORIZON ]:AL
HANGING
NOTES:
BOTTOM INLET
I.
Minimum return-air openings at furnace, based on metal duct. If flex duct is used,
see flex duct manufacturer's recommendations for equivalent diameters.
2. Minimum return-air opening at furnace:
a. For 800 CFM-16qn. round or 14% x 12qn. rectangle.
b. For 1200 CFM-20qn. round or 14V2x 19VNn, rectangle.
c. For t600 CFM-22-in. round or 14Y=x 23%-in. rectangle.
d. For airflow requirements above 1800 CFM, see Air Delivery table in Product Data
literature for specific use of single side inlets, The use of both side inlets, a
combination of I side and the bottom, or the bottom only will ensure adequate
return air openings for airflow requirements above 1800 CFM at 0.5 W.C. ESP.
DiMENSiONS
(iN.)
UNIT SIZE
A
D
E
060-t2
17-1/2
15-7/8
16
080-t2
17-1/2
15-7/8
16
080-t6
17-1/2
15-7/8
100-t6
21
19-3/8
191/2
19-3/8
191/2
100-20
21
120-20
24-1/2
22J/8
16
23
A02149
Fig. 2--DimensionaB
Drawing
ENTRY
39 (_'
30 %2"
DRAIN TRAP
LOCANON
(ALTERNATE
UPFLOW}
CONN
This
furnace
isforindoor
installatioo
inabuilding
constructed
onsite.
This
[umace
may
beinstalled
inamanufactured
(mobile)
home
when
stated
onrating
plate
and
using
factor)/authorized
kit..oncombustible
This
furnace
may
beinstalled
flooring
inalcove
ordoset
atMinimum
Inches
Clearance
ToCombustible
Construction
asdescribed
below.
This
furnace
requires
aspecial
venting
system.
Refer
totheinstallation
instructions
forparts
listand
method
ofinstallation.
This
furnace
isforuse
with
schedule-40
PVC,
PVC-DV\h/,
CPVC,
or24
Ainches
BS-D_J_/pipe,
and
must
not
bevented
incommon
with
other
gas4ired
appliances.
Construction
through
which
vent/air
intake
pipes
may
be
installed
ismaximum
(600
ram),
minimum
3/4
inches
(19mm)
thickness
(including
roofing
materials).
Cette
fournaise
8airpuls@
estequip@e
pour
utilisation
avec
gaz
naturel
etaltitudes
comprises
entre 0 - 3,050m (0 - 10,000 pi),exsept@ qseles fournalses de 140 taille
soot pour altitudes comprises entre 0 - 2J35m (0 - 7,000pi).
Utiliser use trousse de conversion, foumie par le fabrican_ pour passer au gaz propane ou pour certaines installations au gaz naturel.
Cette foumaise a air puls@ est pour fas_allation _ I'interieur dons un b_timent construit sur place. Cette fournalse _ air pulse peut @treinstallee dons une maison
pr@fabriquee (maisoo mobile) si prescrit par la plaque signalCtique et si I' on utilise une trousse speblfiee par le fabric.ant
_ette foumaise peut _tre install@esur un pfancher combustible dons un enfoncement ou un placard en observant les Degagement Minimum En Pouces Avec
Era#merits De Construction
CombustibUes.
Cette fournaise n@cessite un syst@me d'@vacuation sp@cial. La m@thode d'inslallation et la Ilste des piCces n@cessaires figurent dons les instructions d'install4on.
Cette
foumalse dolt s'utillser avecla tuyauterie des nomenclatures 40 PVC, PVC-DWV, CPVC, ou ABS-DVW et elle ne peut pas @treventilee conjointment avec d'autres
appareils a gaz. Epeisseur de la construction au travers de laquelle il est possible de faire passer les tayaux d'aeration (admission/evacuation): 24 pc (600 ram)
maximum, 3/4 pc (19mm) minimum (y compris la toiture).
For upflow and do\_,_]llowapplicatbns, furnace must be installed level, or pRcbed within 1/Z' of favel. For a
horizontal application, the furnace must be pi_.chedminimum 1/4" to maximum of 1/2" fo_vard for proper
drainage. See h_stall4oo Manual [or IMPORTANT unit support details on horizontal applications.
MIN 1/4" TO 1/2" MAX
Pour des applicatior_s de flux ascendant et descendant, la foumaise deit @treinstall@ede niveau ou inclin@e_5
pos plus de I/Z' du niveau. Pour une application t_rizontale, lafournaise deit @treinclin@eentre minimum
1/4" et maximum 1/Z' du niveau pour le drainage approprie. En cos d'installatioo en position horizontale,
consulter les rerL_eignementa IMPOR]IANTS sur le support dans b manuel d'insfallddon.
HORIZONTAL
MINIMUM INCHES CLEARANCE TO CONBUSTtBLE CONSTRUCTION
ALL POSITIONS:
Minimum front clearance for service 24 inches (610ram).
¢ t 140 size furnaces require 1 inch back clearance to combustible
DOWNFLOW POSITIONS:
This furnace is approved for UPFLOW, DOWNFLOW and
HOR_ONTAL installalises.
Cetfa faumalse est approuvee pour Iinstaliatbn HORIZONTALE
et la drculation d'air VERS LE HAUT et VERS LE BAS,
materials,
Clearance arrows
do not change with
furnace orientation,
t
For installation or] combustible floors only when installed on special base No. KGASB0201ALL,
Coil Assembly, Part No. CD5 or CK5, or Coil Casing, Part No. KCAKC.
HORIZONTAL POSITIONS:
ne change pas avsc
I'orientat_a_de la
gen@abur d "a_rchaed,
Line contact is permissible only between lines formed by intersections of top and two sides of
furnace jacket, and building joists, studs, or framing.
Clearance shown is for air inlet and air outlet ends.
O 120 and 140 size furnaces require 1 inch bottom clearance to combustible materials.
DEGAGEMENT
MINIMUM EN POUCES AVEC ELEMENTS DE CONSTRUCT!ON
COMBUSTIBLES
POUR TOUS LES POSITIONS:
D@gagement avant minimum de 610mm (24 pc) pour I'entretien.
t ¢ Pour les fournaises de 140 taille, 1 pc (25mm) degagement des materiaux combustibles est
requis au-arriere.
POUR LA POSITION COURANT DESCENDANT:
t Pour I'irkstallation sur le plancher combustible seulement quand on utilise la base spg_ciale, piece
n o KGASB0201ALL,
I'erksemble serpentin, piece n° CD5 ou CKS, ou le carter de serpentin,
piece n o KC/_XC.
POUR LA POSITIONHORIZONTALE:
Le contact n'est permis q0ente les lignes formees par les intersections du deseus et des
deuxcCtes de la chemise de la foun]aise, et des selives, des montants ou de la charpente du
batiment.
§ La distance indiquee concerne I'extremit6 du tuyau d'aniv@e d'air et I'extremit6 du tuyau de sortie
d'air.
O Pour les fournaises de 120 et 140 taille, 1 pc (25mm) degagement des materiaux combusitbles
est requis au-dessous.
ti/ent clearance to
combustibles 0".
Clearance in inches
Degagement (pc},
0 (pc) Degagement
d'evsnt avec combJstibles,
328066-201 REV. B LIT TOP
A_02_Tf{:F -j
-_ Fig. 3--Clearances
Step
*
4-==Duct
Systems
US and CANADA:
(ACCA) Manual
tractors National
Air Conditioning
Contractors
*
5--Acoustical
US and (ANADA:
Lining
.
g--Gas
US: NF'G(7
codes
Fibrous
cmTent edition
tested by UL Standard
Step
and
Piping
and
chapters
Gas
Pipe
ConSoci-
Engineers
34
I Rigid
NFPA
90B as
Air Ducts
Pressure
plumbing
must
*
When flexible connectors
not exceed 36 inches.
*
7--Electrical
US: National
be installed
by a licensed
are used,
Parts
36
3, 4, 5, A, B, E, G, and H.
Connections
Electrical
Canadian
ELECTROSTATIC
Erse this procedure
ESD service
to prevent
---> In the state of Massachusetts:
This product
fitter.
Step
NSCNGPIC
are used they shall not exceed
Code (NE()
Electrical
ANSIiNFPA
Code
CSA
D_SCHARGE
(ESD)
PROCEDURE
70-2002
C22.1
PRECAUTIONS
Testing
5, 6, 7, and 12 and national
*
CANADA:
CANADA:
G_ass Duct
of SMACNA,
181 for (lass
When lever type gas shutof£s
inches.
Association
D, Sheet Metal and Air Conditioning
Association
(SMACNA),
or American
ety of Heating, Reti'igeration,
and Air Conditioning
(ASHRAE)
2001 Fundamentals
Handbook
Chapter
Step
to CombustibJes
plumber
the maximum
length
or gas
shall
for all installed
kit (available
EBD damage.
and uninstalled
from commercial
sources)
_i_rnaces. An
may be used
APPUCATIONS
MINOR
MAX 85°F
PROPERTY
Failure
to fbllow
DAMAGE
this caution
may result
in minor
property
damage,
Local
codes
application
or over a finished
In Canada,
NS(NGPIC
Step
l--General
Some
assembly
!
RETURN
R
°I .C
"_
pressure
tubes are connected
instructions
2--Upflow
In an upflow
Fig. 4_Retum-Air
section,
and
be
are
accordance
required
shown
as shown
in
for
with
t\u'naces
in Fig. 1. All drain and
in Fig. 6. See appropriate
for these procedures.
Applications
application_
the blower
and conditioned
CONDENSATE
Temperature
modifications
in any of the 4 applications
Step
A93042
installations
shall
and/or local codes.
and
entire furnace
f_lrnace is used in an attic
ceiling.
installed
application
III
a drain pan under
trap when a condensing
NOTE:
cun'ent
MIN 55°F
may require
condensate
is located
air is discharged
TRAP
LOCATION
below
the burner
upwards,
(FACTORY-SHIPPED
ORIENTATION)
The
,-f
UNIT
DAMAGE
Failure
"
_
1
this caution
may result
in damage
to unit
Follow
below
during
furnace
static
discharge
can
the Electronic
fiom
electronic
Precautions
installation
control
discharges
affect
Discharge
_itmace
electronic
the f_/rnace,
electrostatic
and servicing
Precautions
personnel
and hand
the control,
to protect
will prevent
tools
and the person
CONDENSATE
listed
the
NOTE:
confirm
electIo°
which
are
will help to
discharge
by
TRAP
at the same
tubes should
pressure
switch
grounding
3. After
the chassis,
or connecting
recharge
your
ungrounded
4. [f you
held in hand during
will be discharged.
touching
control
Tools
by a color
ibllows:
&ain
label
bo@
objects,
touch
as you
to smwice
d_e
do nothing
to
wires
as long
or
shuffling
feet,
touching
objects,
firmly
touch
a clean,
etc.).
ungrounded
5. Lse this procedure
may proceed
(moving
unpainted
metal surface
contlol or wires.
of the [:urnace
robe
label),
again before
touching
and uninstalled
your
(violet
body's
electrostatic
control
from
furnace,
follow
or yourself
a new control
damage.
items
in contact
into containers
7. An ESD service
also be used
charge
to ground
If the control
1 through
before
touching
bringing
attached
to condensate
trap and
applications.
connection
location
tubes
are identified
inducer
port
NOTE:
robe
connection
must
be extended
for
the *\allowing:
of field drain connection.
(See Fig. 2 or
If internal
filter or side Filter/Media
(abinet
b. Remove
and discard
desired side.
&ain
loose parts
drain
coupling
&ain
robe coupling
grommet
hole plug
grommet
bag) in selected
bag) through
blower.
e. (ement
tube
casing
casing
2 factory=supplied
button
in loose
street CPV(
Put all used and new
Fig.
be
ungrounded
cemented
objects
6.) These
NOTE:
Failure
prevent
draining.
elbows
to condensate
to use CPVC
must
from
(factory-supplied
tong end of coupling
1/2-in.
duct
in
hole.
(_i_ctory=supplied
ensuring
is used. &ain
fiorn return
on the condensate
may
(green
label).
robe should be located to opposite side of casing
attachment
to assist in filter removal.
the conhol
sources)
as
housing
Tube
drain
by doing
location
relief
robe (pink
These
and also
6.)
the
in a
Port, and
the rigid drain tube connection
from commercial
ESD damage.
to protect
Relief
or molded),
switch
trap
field attachment
discharge
is to be installed
4 before
with the t:urnace.
kit (available
to prevent
t'rom its container,
Drain,
robe. These
label
door to
Housing
by their
Trap Drain
condensate
d. Slide
removing
controls
The
(ungrounded)
fLlITlaC eS,
6. Be%re
*\_r drain robe
label on main [:urnace
box &ain robe (blue label),
and pressure
c. Install
_br installed
section
for use in upflow
on each
collector
a. Determine
you
and
(FACTORY-SHIPPED
be factory
tea@
can be identified
2. (ondensate
metal surti_c¢ of the t'urnace
which is close to the control.
shelf
A _hctory-supplied
trap drain connection
to the
attachment.
See Condensate
See Fig. 6 or tube routing
location of these tubes.
These
1, Disconnect all power to the t_urnace Muhiple disconnects may
be require& DO NOT TOUCH THE CONTROL OR ANY
WIRE CONNE( TED TO THE CONTROL PRIOR TO DIS°
(HARGING YOUR BODY'S ELECTROSTATI(
CHARGE
TO GROUND.
chassis
TUBING
1. Collector Box Drain, Inducer
Pressure Switch Tubes
potential.
touch the clean, unpainted,
in the blowe*
applications.
ORIENTATION)
tubes
2. Firefly
installed
components
Procedure
held during the procedure
These precautions
avoid exposing
d-le control
to electrostatic
putting
is factory
for UPFLOW
Trap Tubing (Factory-Shipped
Orientation)
extension
details. (See Fig. 5.)
components
Electrostatic
trap
connected
robe is used to extend the condensate
desired t\lrnace side for field drain
HAZARD
to follow
condensate
factory
cemented
parts
[itces
elbows
to
trap. (See
together
and
trap drain connection
elbows
may allow &ain to kink and
t--- BLOWER SHELF
/
/
/J-
/
/
_
FURNACE
X
DOOR
CONDENSATE \
TRAP (INSIDE)
]--
CONDENSATE
TRAP
FURNACE
/
/
X
\
]
FURNACE
S,Dy
IDE
OOR
/ _
FIELD
2 '4
\
_-ALTERNATE DRAIN
\
TUBE LOCATION
\
CONDENSATE TRAP --&
F'ELDJ
1 '2
DRAIN
FURNACE
--"1------
DRAIN
CONN
CONN
SIDE VIEW
!
END VIEW
FRONT VIEW
FRONT VIEW
DRAIN TUBE LOCATION
UPFLOW
DOWNFLOW
AND
EXTERNAL
UPFLOW
APPLICATIONS
HORIZONTAL
APPLICATIONS
ALTERNATE
APPLICATIONS
S OT#O
7 'So:<
(OPTIONAL)
._111/2
/40D
COLLECTOR
TRAP
RELIEF
/
/
BOX TO
PORT
%OD
INDUCER
HOUSING
DRAIN
CONNECTION
/80D
COLLECTOR
BOX
DRAIN
CONNECTION
71/8
SCREW
HOLE FOR
UPFLOW
OR DOWNFLOW
APPLICATIONS
(OPTIONAL)
7/8
2
GUIDES
(WHEN
:
V2-1N PVC
OR CPVC
USED)
FRONT VIEW
SIDE VIEW
A93026
Fig. 8--Condensate
fl <onnect
larger
supplied
diameter
in loose
drain
parts bag)
tube
and clamp
to condensate
(factory-
trap and clamp
FIRE, INJURY OR DEATH HAZARD
Failure to £_llow this warning could result in electrical shock,
fire, personal inju_ or death.
( asing hole filler cap must be installed in blower shelf hole
when condensate trap is relocated.
securely.
g. Route
robe to coupling
h. Attach
and cut to appropriate
robe to coupling
CONDENSATE
TRAP
and clamp
LOCATION
length.
securely.
(ALTERNATE
UPFLOW
ORIENTATION)
An ahemate
of casing.
NOTE:
location
fbr the condensate
(See Fig
the fi_ctory-connected
nected
Upflow
left°hand
&ain
and modified
(Alternate
relocate
ing:
and relief
Orientation)
3 tubes
2. Remove
trap from blower
casing
connected
location
side
is used,
section
fbr tubing
Trap Tubing
attachment
To
side, per_:brm the follow-
to condensate
trap
shelf by gently pushing
tabs inward
t_ap
hole filler
bag) into blower
shelf
4. Install condensate tlap into left-hand side casing hole by
inserting tube connection stubs through casing hole and
rotating until tabs snap into locking position.
5 Fill unused condensate tlap casing holes with plastic filler
caps (bactory-supplied in loose parts bag).
port robes must be disconSee < ondensate
tlap to the left-hand
1. Remove
3. Instail
side of casing
for attachment.
condensate
and rotating
trap is the left-hand
2 and 7)
If the alternate
Trap
cap (fi_ctory-supplied
hole where
in loose
trap was removed
parts
CONDENSATE TRAP TUBING (ALTERNATE
ORIENTATION)
UPFLOW
NOTE: See Fig. 7 or robe routing label on main ['urnace door to
confirm location of these robes
1 Collector Box Drain Tube
Connect collector box &ain robe (blue label) to condensate
trap.
NOTE: On 17-1/2 in wide furnaces ONLY, cut robe between
CmTugated sections to prevent kinks from occmring
PLUG --_
CAP
DRAIN
TUBE
& WHITE
COLLECTOR BOX _,DRAIN TUBE (BLUE
& WHITE STRIPED)
(BLUE
STRIPED)
TUBE
COLLECTOR BOX _'_
TUBE (PINK) "N
(PINK)
COLLECTOR
TUBE
TUBE
BOX
--
(GREEN)
(GREEN)
INDUCER
DRAIN
(MOLDED)
TUBE
(BLUE)
DRAIN
TUBE
(BEHIND
COLLECTOR
BOX
DRAIN
TUBE)
O
TRAP
DRAIN
TUBE
O
(BLUE)
HOUSING
DRAIN
FACTORY-SUPPLIED
DRAIN TUBE
COUPLING (LEFT
DRAIN OPTION)
TUBE
(VIOLET)
A01031
FIELDqNSTALLED
FACTORY-SUPPLIED
DRAIN TUBE
£
Fig.
FACTOR_SUPPLIED
½-1NCPVC
STREET
ELBOWS(2)
FOR
LEFT DRAIN OPTION
7--ARernate
FIELD-INSTALLED
FACTORY-SUPPLIED
DRAIN TUBE
NOTE:
See Fig
to check
fbr proper
COUPLING (RIGHT
DRAIN OPTION)
UPPER
A01030
Upflow
Configuration
Location
6 or 7 or robe routing
label on main furnace
BOX
_Sctory°installed
2, Inducer Housing Drain Tube
a, Remove and discard LOWER (molded) inducer housing
&ain tube which was previously connected to condensate
t_ap,
AND INDU(ER
corrugated,
striped
label).
leakage
in this application.
This
robe
plugged
HOUSING
Ensure
See Fig. 6 or 7 or tube routing
to check
tbr proper
2. Upper
housing
to
(blue
to prevent
and
is a
white
condensate
this tube is plugged.
label on main furnace
door
connections.
inducer
Attached
connection
robe
is plugged
NOTE:
b, Lse inducer housing &ain extension robe (violet label and
f5ctow-supplied in toose parts bag) to connect LOWER
inducer housing &ain connection to the condensate trap
door
DRAIN" (ONNECTIONS
1. Upper collector
box &ain connection
Attached
to the UPPER collector
box drain
Fig. 6--Factory-Shipped
Upflow Tube
Configuration
(Shown with Blower Access Panel Removed}
Trap
connections.
(OLLECTOR
(t NUSED)
and
the
drain connection
UPPER
(urmsed)
connection
is a cap and clamp.
condensate
leakage
inducer
housing
This cap is used
in this application.
Ensure
&aia
to prevent
this connection
is capped.
c, Detem_ine approp*iate tength, cut, and connect robe
d, (lamp robe to prevent any condensate leakage,
3, Relief Port Tube
a, (onnect
NOTE:
See Fig. 6 or 7 or tube routing
to check
fbr proper
CONDENSATE
relief port tube (green label) to condensate trap,
TRAP
FREEZE
Refer
to (ondensate
b, Extend this tube (iI'required) by splicing to small diameter
tube (fitctow=supplied in toose parts bag)
tions
and procedures.
Step
3--Downflow
c, Determine appropriate length, cut, and connect robe
In a downflow
fhrnace
burner
and conditioned
(ONDENSATE
TRAP FIELD DRAIN ATTACHMENT
Re_kr to Condensate
procedures
Drain
section %r recommendations
section,
label on main furnace
door
connections.
Drain
PROTE(
Protection
TION
section
for recommenda-
Applications
application,
CONDENSATE
TRAP
The condensate
trap must
the blower
is located
air is discharged
above the
downwards.
LO(ATION
and
blowe* shelf location
PRESSURE SWITCH TUBING
as shown
The LOWER collector box pressm'e robe (pink 1abel) is factory
connected to the High Pressure Switch and should not require any
modification,
To
ti"om the fhcto_--installed
in selected
application
tocation
in Fig. 2, g, or 9.
relocate
location,
be removed
and relocated
condensate
per%m_
1, Remove
trap
fi'om the
blower
shelf
the following:
3 tubes
connected
to condensate
t_ap,
to desired
4. h_stall casing
COLLECTOR
DRAIN
TUBE
was
(BLUE)
PLUG
COLLECTOR
TUBE
ren'lo'_
FIRE,
INJURY,
Failure
to fbllow
fire, personal
BOX
(GREEN)
Casing
COLLECTOR
EXTENSION
BOX
TUBE
_-_
COLLECTOR
TUBE
BOX
(PINK)
--_
COLLECTOR
& WHITE
HAZARD
could result in electrical
hole filler cap must
shock,
condensate
trap
in blower
into desired
stubs
through
into locking
CONDENSATE
be installed
shelf hole
t*ap is relocated
tube connection
BOX
TUBE
OR DEATH
this warning
when condensate
5. h_stall
trap
inju U o1"death
tabs snap
DRAIN
hole filler cap into blox_ er shetf hole where
ed
TRAP
casing
casing
hole by inserting
hole and rotating
until
label on main fl/rnace
door
position.
TUBING
(BLUE
STRIPED)
COLLECTOR
EXTENSION
BOX_
NOT_::
See Fig. 8 or 9 or robe routing
to check
for proper
Relocate
robes as described
connections
TUBE
1
(ollector
a
Box Drain
Remove
below.
Tube
factory-installed
plug from LOWER
collector
box
and plug into UPPER
collector
box
which was connected
to condensate
drain robe (blue and white
TRAP
b. Install
removed
clamp
&ain tube (blue label)
striped
label).
trap.
INDUCER
DRAIN
TUBE
HOUSING
c
(VIOLET)
Connect
densate
A01023
(1.)
LOWER
collector
(b)
Trap Located
LOWER
Clamp
PLUG
F
F
COLLECTOR
DRAIN TUBE
COLLECTOR
TUBE (PINK)
collector
box drain tube (blue
Trap Located
(blue
and white
ously
plugged.
large*
supplied
in loose
COLLECTOR BOX
DRAIN TUBE (BLUE
& WHITE STRIPED)
(d)
COUPLING
A01024
Fig. 9--Downflow
Tube Configuration
(Right-Hand Trap Installation)
2. Remove trap from blower shelf by gently pushing tabs inward
and rotating tlap
3. Remove casing hole filler cap from casing hole. (See Fig. 2, 8,
or 9)
coupling
collectm
striped
label)
box
bag)
shown
(f)
Dote*mine
Clamp
Honsing
inducer
b. Remove
box
in Fig
(e.) (onnect
2. Inducer
collector
collector
robe
appropriate
previ-
(facto Wtube
cou-
robe
_br
robe directly
to condensate
tlap
as
lengd_ and cut
tlap.
tube to prevent
any condensate
leakage.
Tube
gtctory=installed
housing
drain
robe
9
to condensate
Drain
was
to drain
box drain
drain
in
drain
which
drain
parts
teakage.
Side of Casing
(factouosupplied
into
diameter
extended
fl'om
a. Remove
TM
bag)
(onnect
(c.) Route
TRAP
COLLECTOR
BOX
EXTENSION
DRAIN TUBE
robe
parts
COLLECTOR BOX
TUBE (GREEN)
COLLECTOR BOX
EXTENSION TUBE
(VIOLET)
CONDENSATE
&ain
loose
trap. Tube
any condensate
on Right
pling, extending
collector
box
connection
to condensate
trap
BOX
_I._A_D RAI N TUBE
TUBE
(b)
BOX
(BLUE)
COLLECTOR BOX
EXTENSION TUBE
INDUCER HOUSING
DRAIN
to con-
on Left Side of Casing
robe to prevent
(ondensate
(a.) Install
O
connection
and white striped label) to condensate
does not need to be cut.
(2.)
©
drain
trap
Condensate
(a.) Connect
Fig. 8--Downflow
Tube Configuration
(Left-Hand Trap Installation)
box
cap
and clamp
fl'om
LOWER
inducer
housing
drain connection.
and discard
&ain robe which
UPPER
(molded)
was previonsly
connected
to condensate
trap.
c. Install cap and clamp on UPPER
inducer housing
connection
where molded &ain robe was removed.
d. Use inducer
supplied
housing
e. Connect
housing
in loose
drain
&ain tube (violet
parts
connection
inducer
housing
bag)
label
to connect
drain
and factow-
LOWER
inducer
to the condensate
trap.
drain
to condensate
connection
trap
(1.)
(ondensate
Trap Located
on Left
Side of (asing
(a) Determine
appropriate
length
andcut
(b.)(onnect
robetocondensate
trap
(c) Clamp
robe
toprevent
anycondensate
leakage.
(2) (ondensate
Trap Located on Right Side of Casing
(a)
Route
inducer
directly
as shown
3. Relief
housing
&ain
from inducer
in Fig
(b.)
Determine
(c)
(onnect
(d.)
(lamp
robe (violet
housing
2. Remove
3. Install
robe to condensate
tube to prevent
to
INJURY,
Failure
to tPllow
trap
Casing
Switch
Tubing
FIELD
DRAIN
section
to
TRAP
Condensate
Drain
section
_br connection
SWIT(H
One collector
box pressure
High
Pressure
upflow
recommendations
and
robe (pink label) is filctoly connected
for use when
This tube MUST
tbr the condensate
trap relief
port robe. The
other
pressure
robe (green label) which was _tctory connected
condensate
trap relief port connection
MUST be connected
High
Pressure
RIGHT
Switch
in
DOWNFLOW
or
in
until
a
box
tu the
to tl_e
tot proper
tahel on main
furnace
b. Connect
High
collector
c. Route
2. Extend
large
parts
tube (green
to condensate
to small
diameter
label)
which
2. Inducer
was
collector
box
connected
pressure
robe
to High
Pressure
small diameter
(pink
label)
Switch
which
was
by splicing
robe (gtctory=supplied
to
this extended
6. Determine
robe (pink label)
robe to relief
TRAP
Retkr
to Condensate
tions
and procedures.
Step
4--Horizontal
in loose parts
to condensate
trap relief
length,
cut, and connect
robe.
CONDENSATE
and
which
clamp
to condensate
Drain
any condensate
parts
was
(factoryextend°
trap and cut
leakage.
Tube
LOWER
(molded)
was previously
inducer
connected
Protection
Left
(Supply-Ak
housing
to condensate
housing
appropriate
_br recommenda=
collector
trap
application_
the blower
and conditioned
air is discharged
to the
PRESSURE
The
and relocated
from
in selected
trap
from
the
box robe (green
LOWER
collector
appropriate
TRAP
Drain
in loose
was previ=
to small
parts bag).
robe to relief
port
trap.
cut, and connect
any condensate
FIELD
which
hap by splicing
bux pressure
length,
robe to prevent
SWITCH
label)
DRAIN
section
robe.
leakage.
ATTACHMENTS
fbr recommendations
and
TUBING
collector
box pressure
robe (pink
label)
is fScto W
application
nected,
extended,
switch
in HORIZONTAL
heating
input
blower
location
shelf
to desired
NOTE:
to condensate
leakage.
the factor-installed
the tbllowing:
3 robes connected
tlap.
robe.
connected
to the High Pressure
Switch fbr use when fhrnace is
installed in UPFLOW
applications.
This tube MUST be discon=
in Fig. 2 or 10.
condensate
LOWER
cut, and connect
any condensate
on the condensate
Condensate
procedures.
LOCATION
must be removed
to
to the
label and
to connect
to the condensate
to the condensate
extended
CONDENSATE
is located
robe (violet
bag)
robe (fi_ctury=supplied
c. Detem_ine
Discharge)
parts
length,
robe to prevent
connection
section
&ain extension
Port Tube
d. (lamp
section,
shelf location
perform
housing
&ain connection
b. Route
PROTECTION
Drain
TRAP
The condensate
1. Remove
in loose
label)
trap
robe
inducer
diameter
port connection.
FREEZE
left furnace
right of the burner
left.
location,
drain
in loose
a. Extend
Refkr
To relocate
tube (blue
to condensate
and discard
d. Clamp
Applications
as shown
(ti_ctory=supplied
bux drain
tube (blue label)
ously connected
appropriate
CONDENSATE
blower
filler
length.
Housing
c. Detem_ine
port cunnection.
In a horizontal
plastic
label on main fire, ace door to
fhctory=supplied
3. Relief
7. (lamp
with
bag).
box &ain robe.
b. Use inducer
bag).
5. Route
holes
trap.
previously
remaining
by
and
Tube
diameter
drain robe which
in loose
collector
box pressure
robe (green label) to High
Switch connection
labeled COLLE(TOR
BOX.
4. Extend
hole
hole
position.
casing
in loose parts
robe to prevent
a. Remove
bag).
3. (onnect
Pressure
casing
casing
to
trap relief port connection
robe (factory-supplied
side
through
TUBING
extended
d. Clamp
box pressure
connected
by splicing
tube (pink label) attached
Switch.
collectur
previously
box pressure
shelf hole
door
connections.
Pressure
shock,
in loose parts bag) to drain robe coupling,
to appropriate
1. Disconnect
trap
connected
ing collector
See Fig. 8 or 9 or robe routing
leEr-hand
stubs
&ain tube coupling
previously
HORIZONTAL
in blower
tabs snap into locking
into collector
supplied
NOTE:
into
condensate
Box Drain
Install
bag)
applications
tu check
trap
TRAP
1. Collector
and used
collector
be installed
NOTE:
See Fig 10 or tube ruuting
check for proper connections
to
f_ul_ace is installed
be disconnected
HAZARD
could result in electrical
connection
caps (ti_ctory=supplied
TUBING
Switch
applications.
parts
trap is relocated
tube
CONDENSATE
PRESSURE
in loose
trap was removed.
or death.
condensate
5. Fill unused
procedures
the
injury
inserting
ATTA(HMENT
for
OR DEATH
this warning
hole filler cap must
rotating
CONDENSATE
cap (tilctoly-supplied
shelf hole where
when condensate
leakage
4. Install
Pressure
hole filler
FIRE,
procedore.
Retkr
casing
fire, persunal
Port Tube
Refer
tabs inward
trap
and cut.
any condensate
pushing
label)
to condensate
length
shelf by gently
trap.
bag) into blower
9
appropriate
trap from blower
and rotating
trap.
check
10
rerouted,
and then reconnected
LEFT
applications
tu the pressure
for 060
and 080
fi/rnaces.
See Fig. 10 or tube routing
for proper
connections.
label on main Nrnace
door to
PLUG
AUXILIARY
BOX
DRAtN TUBE
(BLUE AND WHITE STRtPED)
"J" BOX --_
O
O
©
CONDENSATE
TRAP
\
\ X
\_--
BOX EXTENSION
DRAIN TUBE
COLLECTOR
BOX _
DRAIN TUBE (VIOLET)
COLLECTOR BOX
DRAIN TUBE (BLUE)
\
EXTENS,ON TUBE
XX
DRAIN TUBE COUPLING
RELOCATE TUBE BETWEEN
BLOWER SHELF AND INDUCER HOUSING FOR
040, 060, AND 080 HEATING iNPUT FURNACES
A01029
Fig. 10--Horizontal
Modif}" robe as described
1. Disconnect
High
robe
(factory-supplied
tube disconnected
extended
in item
in loose
Refhr
to Condensate
tribe to High
BOX.
MINOR
platfbm_
section
for recommendao
Local
Failure
to follow
operation
The condensate
PLATFORM
where
all required
furnace
this caution
may result
in intem_ittent
codes may require
or over
Combustion-air
n_um length
drain
sloped
below
fire, ace. See
connection
to condensate
to an open
&ain.
NOTE:
with
and vent pipes
of 5 ft. (See Table
A 12_in. minimum
short
(5 to 8 it) vent
when
In (anada,
NSCNGPI(
may result
to
offset
pipe
are restricted
section
This
property
as shown
is recommended
recommendation
is to
junction
and
in attic
ceiling.
box (JoBox)
MUST
Fig.
with
be relocated
120
See
to
Electrical
LOCATION
must be removed
and relocated
condensate
perfbrm
from
in selected
the fhctoryoinstalled
application
location
trap
fiom
the blower
shelf
to desired
the following:
1. Remove
3 tribes connected
2. Remove
trap from blower
and rotating
11
is used
in Fig. 2 or 12.
relocate
location,
to a mini°
trap
shelf location
entire furnace
fhmace
installations
shall be in accordance
Installation
Codes and/or local codes
TRAP
condensate
blower
7.)
systems.
in minor
a drain pan under
a condensing
a finished
The auxiliary
CONDENSATE
unit
To
NOTE:
is located to
air is discharged
DAMAGE
opposite
side of t:t_rnace casing.
(See
Connection
section for JoBox relocation.
be installed
The
trap must also be properly
the blower
and conditioned
this caution
application
The
trap MUST
to fbllow
trap
NOTE:
cun'ent
clearances
OPERATE
Fig. 5 tbr dimensions.
section,
condensate
NOT[[:
NOT
Discharge)
damage
are met. (See Fig. 3 and 11.)
[TNIT MAY
{Supply=Air
right t'uInace application,
PROPERTY
Failure
PROTECTION
Protection
A WORKING
Constlq.lct working
the vent pipe.
housing.
tions and procedt/res.
CONSTRU(T
fi'om exiting
the right.
FREEZE
Drain
droplets
Right
the tef_ of" the homer
shelf and inducer
TRAP
5--Horizontal
In a horizontal
1.
4. Detem_ine appropriate
length, cut, and reconnect
Pressure Switch connection
labeled COLLE(TOR
CONDENSATE
condensate
11 or 35)
Applications
parts
housing.
blower
excessive
(See Fig
to
robe:
indtlcer
b. Between
tube (pink label) attached
Step
diameter
bag) to extend
a. Behind
reduce
box pressure
Switch.
smaller
3. Route
below:
collector
Pressure
2. Use
Left Tube Configuration
t_ap
to condensate
shelf by gently
t_ap.
pushing
tabs inward
COMBUSTION
INTAKE
VENT
12-1N. MIN HORIZONTAL
PIPE
SECTION IS RECOMMENDED
WITH
SHORT (5 TO 8 FT) VENT SYSTEMS
TO REDUCE EXCESSIVE
CONDENSATE
DROPLETS FROM
EXITING THE VENT PIPE.
SHUTOFF
GAS VALVE
ACCESS OPENING
FOR TRAP
SEDIMENT
TRAP
DRAIN
CONDENSATE
TRAP
NOTE: LOCAL CODES MAY REQUIRE A DRAIN PAN UNDER THE
FURNACE AND CONDENSATE TRAP WHEN A CONDENSING
FURNACE IS INSTALLED ABOVE FINISHED CEILINGS.
A93031
Fig. 11--Attic
Location and Working
Platform
TUBE (BLUE)
COLLECTOR
BOX TUBE (GREEN)
BOX EXTENSION
COLLECTOR
TUBE
BOX TUBE (PINK)
AUXILARY "J" BOX RELOCATED
HERE
÷
TRAP
COLLECTOR BOX DRAIN TUBE
(BLUE AND WHITE STRIPED)
DRAIN TUBE (VIOLET)
COLLECTOR BOX
EXTENSION TUBE
A01028
Fig. 12--Horizontal
Right Tube Configuration
12
3. Instal!
casing
hole filler
bag) into blower
shelf
cap (_actory-supplied
hole where
in loose
parts
1
Disconnect
trap was removed
High
collector
Pressure
2. Extend
collector
previously
FIRE,
]INJURY,
Failure
to _bllow this warning
fire, personal
Casing
OR DEATH
cap m_/st be installed
condensate
4. Install
trap
robe
connection
rotating
5. Fill
until
unused
into
tabs snap
check
stubs
trap
caps (_hctoryosupplied
NOTE:
label)
removed
condensate
c. Connect
with
plastic
label on main _i/rnace door to
plug fiom LOWER
striped
collector
collector
label)
connected
which was previously
collector
Drain
housing
box
IN]IT
trap. Tube
Failure
does not need to be
previously
(factor'-supplied
box pressure
connected
to
robe (pink
length,
robe to relief
TRAP
in
robe (pink
High
label)
Pressure
to condensate
cut, and connect
robe.
port connection.
FREEZE
Drain
PROTECTION
Protection
A WORKING
working
MAY
section
for recommenda-
PLATFORM
platfom_
NOT
to _bllow
The condensate
leakage.
where all required
furnace
clearances
OPERATE
this caution
may result
and
clamp
from
in intem_ittent
nnit
below
See
NOTE:
f\ Clamp
extension
robe (violet
cut,
NOTE:
&ain
robe
Step
Switch
Tubing
TRAP
FIELD
DRAIN
fbr
connection
procedure.
CONDENSATE
[o Condensate
Drain
ATTACHMENT
section
for
recommendations
One collector
Pressure
UPFLOW
applications.
for the condensate
tube
fbr use when
trap relief
fhnaace
label)
port robe. The
which
port connection
Switch
in
was
other
factory
MUST
DOW_NFLOW
in
and used
collector
See Fig. 12 or tube routing
box
directly
wood
(refer
flooring
exiting
is to
the vent pipe.
material
other than
CONSIDERATIONS).
°
be provided
with ample space _br servicing
and cleaning.
Always
comply
with minin?um
fire protection
clearances
shown on the l:urnace clearance
to combustibles
label.
may be located
for dilution
For upflowidownflow
or pitched
operation.
For horizontal
from
in a confined
or ventilation
it is level
1i2oin. maxinmm
13
on any combustible
to SAFETY
from
be attached to an air distribution
system and be located as close
to the center of the distribution
system as possible. Refer to Air
Ducts section.
NOTE:
below.
are protected
°
provisions
door to
components
be located where available electric power and gas supplies
specifications
on the J:_t_rnace rating plate.
This _i/rnace
HORIZONTAL
so the electrical
not be installed
to the
connections.
robes as described
be installed
water
be connected
label on main fi/rnace
fiom
must
to the
applications.
for proper
droplets
is recommended
i--General
connected
or
condensate
section
This recommendation
°
to
is installed
This tube MUST be disconnected
trap relief
(green
Pressure
robe (pink label) is fi_ctory connected
Switch
pipe
systems.
be located so combustion-air
and vent pipe maximma_
are not exceeded. Re_?r to Table 7.
TUBING
box pressure
the High
excessive
to a mini-
°
and
procedures.
SWITCH
offset
(5 to 8 ft) vent
are restricted
7.)
to
leakage.
section
and vent pipes
A 12oin. minimum
This furnace
*
Pressure
to an open drain.
LOCATION
Port Tube:
to
t\N'nace.
to condensate
(See Fig. 11 or 34.)
LOWER
trap.
and connect
any condensate
sloped
of 5 ft. (See Table
short
rednce
trap.
robe to prevent
(ombustionoair
mma_ length
label and
in loose parts bag) to connect
&ain connection
to condensate
length,
connection
LOWER
drain connection.
&ain
be installed
The drain
trap must also be properly
cap
appropriate
trap MUST
Fig. 5 for dimensions.
Tube:
housing
condensate
Relocate
in loose
to
with
e. Determine
check
was
are met. (See Fig. 3 and 1 i.)
box drain robe (blue and white
any condensate
fitctoryoinstalled
_hctory-supplied
inducer housing
NOTE:
robe
collector
this extended
to Condensate
Construct
clamp and plug into UPPER
robe to prevent
& Use inducer
RIGHT
robe (flactov-supplied
diameter
appropriate
CONSTRUCT
box
label).
c. Install cap and clamp on UPPER inducer housing
connection
where molded &ain robe was removed.
High
was
Rome
CONDENSATE
trap.
condensate
smaller
bag) to extend
which
5. Detem_ine
b. Remove
and discard UPPER
(molded)
inducer
housing
&ain robe which was previously
connected
to condensate
pressure
which
tions and procedures
to condensate
Housing
PRESSURE
label)
trap relief port connection
operation.
inducer
Refhr
robe (green
trap relief port connection.
filler
Tube:
LOWER
a. Remove
Refer
to
tlap.
label)
& (lamp
3. Relief
parts
Switch.
Refer
and white
tube (blue
2. Inducer
and
position.
holes
attached
collector
box pressure
tube (green label) to High
Switch connection
labeled COLLECTOR
BOX.
6. Clamp
_hctoryoinstalled
drain robe (blue
striped
cut.
hole
connections.
a. Remove
&ain
loose
TUBING
Box Drain
b. Install
casing
pressure
to condensate
to small diameter
remaining
by
hole
parts bag).
See Fig. 12 or tube routing
1. (ollector
side casing
through
casing
in loose
TRAP
for proper
3. Connect
Pressure
hole
4. Use
right_hand
into locking
condensate
CONDENSATE
shelf
trap is relocate&
condensate
inserting
in blower
robe (pink label)
parts bag).
shocL
ir_im'y or death
hole filler
when
in electrical
box
connected
by splicing
HAZARD
could result
box pressure
Switch.
secondary
forward
within
install
furnace
1i2oin. for proper
applications
pitch
to ensure
proper
heat exchangers.
without
meet
special
air.
applications
_brward
space
lengths
1/4-in.
mininmm
condensate
(See Fig. 13.)
so that
_itrnace
to
&ainage
t
LEVEL (0")
TO
1/2" MAX
V2" MAX
UPFLOW OR DOWNFLOW
HORIZONTAL
A02146
Fig. 13--Proper
Condensate
BACK
Drainage
A
When a fk/rnace is installed so dlat supply ducts carry air circulated
by the f_lrnace
to areas outside
the space
return
also be handled
by ducts
air must
The ducts
ensure
nlent
terminate
a negative
roolTl
outside
pressure
the space
condition
containing
sealed
the t:urnace,
to furnace
containing
FRONI
A93043
casing.
Fig. 14--Prohibit
the t:t_mace to
will not occur within
1
INJURY
Failure
OR
to fbllow
injury,
DEATH
Failure
HAZARD
this warning
could
result
install
fhmace
on
its back.
iu fire, personal
control operation
will be adversely
return-air
ducts to back of _hrnace.
(See
Fig.
affected.
14)
If this filmace
the
Safkty
Never
to %llow
HAZARD
this caution
may result
in minor
property
or
unit damage.
or death
Do not
on Back
space
or
[TNIT DAMAGE
FIRE,
Installation
equip°
protection
connect
Step
is installed
ambient
in an unconditioned
temperatures
measures
2--Furnace
may
be
32°F
must be taken.
Location
or
(See Fig.
Relative
space
lower,
where
i?eeze
15.)
to Cooling
Equipment
]"he cooling
UNIT
DAMAGE
This gas furnace
that:
-The
furnace
wiring,
may be used _br construction
is permanently
piping,
venting
installed
and dt/cting
installed
heat provided
with
all
installed
electrical
according
the
condition
flame
furnace.
as created
rollout
This
prevents
a negative
by the circulating
an&or
drawing
parallel
condensation
with a fi/rnace,
with o1"oi1 downstream
in heat
dampers
exchanger.
or other means
When
used
to
equipped
to
the damper
with a means
to prevent
is in t:ull-heat
operation
or fhll°coot
of either
unit unless
position.
pressure
air blower,
combustion
parallel
to avoid
control flow of air shal! be adequate to prevent chilled air from
entering t:tmtace. If dampers are manually operated, they must be
these installation
instructions.
A remm air duct is provided,
sealed to the f:urcmce casing, and terminated
outside the space
containing
coil must be installed
side of ft_mace
HAZARD
causing
products
into
a
the
sWt/eture,
-The t'umace
is controlled
wired" to provide heat
thermostatic
control.
-(lean
outside
minimize
air is provided
the coi_'osive
const_-acdon
dwwall
by a thermostat.
continuously
materials.
of _ilrnace
-The temperature
for combustion
effkcts of adhesives,
It also prevents
dust into combustion
plugging
It may not be "hot
to the structure
without
This
is to
sealers and other
the
entrainment
air, which can cause
of
fouling and
components.
of d'*e remm
air to the furnace
is no less
than 55°F, with no evening setback or shutdown. The use of
the fimlace
while the structure
is under consha/ction
is
_;_M_'F
deemed
to be
instructions.
intermittent
operation
rise is within
furnace
and the firing
nameplate
-The
MINIMUM
plate,
the rated rise range
rate has been
INSTALLED
installation
OR
FREEZE
on the
OTECTION
set to the
REQUIRED
value.
filters
construction
cleaned
our
BLENT
-The air temperature
rating
per
used
to clean
process
must
the
circulating
be either
changed
air during
the
or thoroughly
prior to occupancy.
-The Nmace,
ductwork
remove
&ywall
system
components
and filters are cleaned
dust and construction
utter
construction
as necessa V to
debris fiom all HVAC
A93058
is completed.
Fig. 15--Freeze
14
Protection
Step
3--Hazardous
Locations
18-1N. MINIMUM
TO BURNERS
A93044
Fig. 16--Installation
in a Garage
A89014
FIRE, EXPLOSION, INJURY OR DEATH HAZARD
Improper location or inadequate protection could result in fire
or explosion
When the fhmace is installed in a residential garage_ the
bu*ners and ignition sources nll.lst be located at least 18 in.
above the floor. The f_/rnace must be tocated or protected to
avoid physical damage by vehicles. When the fhmace is
installed in a public garage, airplane hangar, or other building
having a hazardous atmosphere, the furnace must be installed
in accordance with the NFGC or NSCNGPIC (See Fig 16.)
Step l--Leveling
Fig. 17--Leveling
Legs
INSTALLATION
Legs {If Desired)
When f_tmace is used in upgow position with side inlet(s), leveling
tegs may be desire& (See Fig. I7) Install field-supplied,
cmTosion-resistant 5/16=in machine bolts and nuts.
NOTE:
The maximum length of bolt should not exceed l= 1/2 in
l. Position furnace on its back. Locate and &ill a 5716=in.
diameter hole in each bottom corner of furnace (See Fig. 17)
Holes in bottom closure panel may be used as guide locations
2. For each hole, install nut on bolt and then install bolt and nut
in hole. (Install fiat washer it"desired)
A96283
3. Install another nut on other side of thmace base (Install flat
washer it"desired)
Fig. 18--Floor
4. Adjust outside nut to provide desired height, and tighten inside
nut to secure arrangement.
NOTE: Bottom closure must be used when 1cycling legs are used
See Bottom Closure Panel section
Step 2--hstaHation
Applications
4
in Opflow and Downfiow
subbase
(KGASB)
Opening
is used,
Fig. 19. If (?oil Assembly
Part No
Part No
install as shown
NOTE:
K(AK(
Remove
is used,
[:urnace perforated,
Dimensions
install
as shown
in
CD5 or CK5 or Coil Box
supply=air
in Fig
20.
duct flanges
when
they interfere with mating flanges on coil or downflow subbase. To
remove perforated,
supply-air
duct flanges, use wide duct pliers,
NOTE: For downt'tow applications, this _amace is approved for
use on combustible flooring when special base (available t'rom
manui:acmrer) Part No. KGASB0201ALL is used. Special base is
not required when this %mace is installed on manuthcmrer's (Toil
Assembly Part No. CD5 or CK5, or (oil Box Part No. K(AK( is
used.
duct flange
until
1. Determine application being installed t'rom Table 1.
2. (onstruct hole in floor per dimensions specified in Table 1
and Fig. 18.
3. (onstruct
18.
If downflow
and Plenum
plenum to dimensions specified in Table 1 and Fig.
15
tool,
it breaks
or hand
seamers
off Be careful
to bend
flange
of sharp edges.
back
(See Fig
and forth
2!0
TABLE
FURNACE
CASBNG
WIDTH
1--OPENING
D_MENS_ONS (iN.)
PLENUM OPENING
FLOOR OPEMNG
APPLICATION
A
Upflow Applications
Downflow Applications
Downflow Applications
on Non-Combustible
on Combustible
Flooring
D
24-1/8
B
16-5/8
24-3/4
15-7/8
19
16-1/2
19-5/8
15-1/8
19
16-3/4
20-3/8
15-1/2
19
16-1/2
20
19-1/2
24-1/8
20-1/8
24-3/4
19-3/8
19
20
19-5/8
18-5/8
19
20-1/4
20-3/8
19
19
20
20
Flooring Using
KGASB Subbase
Furnace with or without CD5 or CK5 Coil Assembly or
KCAKC Coil Box
17-112
C
16
Downflow Applications
on Combustible Flooring NOT Using
KGASB Subbase
Furnace with or without CD5 or CK5 Coil Assembly or
KCAKC Coil Box
Upflow Applications
Downflow Applications
Downflow Applications
on Non-Combustible
on Combustible
Flooring
Flooring Using
KGASB Subbase
Furnace with or without CD5 or CK5 Coil Assembly or
KCAKC Coil Box
21
Downflow Applications
on Combustible Flooring NOT Using
KGASB Subbase
Furnace with or without CD5 or CK5 Coil Assembly or
KCAKC Coil Box
Upflow Applications
Downflow Applications
Downflow Applications
on Non-Combustible
on Combustible
Flooring
24-1/8
23-5/8
24-3/4
19
23-1/2
19-5/8
22-1/8
19
23-3/4
20-3/8
22-1/2
19
23-1/2
20
Flooring Using
KGASB Subbase
Furnace with or without CD5 or CK5 Coil Assembly or
KCAKC Coil Box
24-112
23
22-7/8
Downflow Applications
on Combustible Flooring NOT Using
KGASB Subbase
Furnace with or without CD5 or CK5 Coil Assembly or
KCAKC Coil Box
FURNACE
FURNACE
(OR COIL CASING
WHEN USED)
CD5 OR CK5
COIL ASSEMBLY
OR KCAKC
COIL BOX
/_
,---.-----
DOWNFLOW
SUBBASE
SHEET METAL ._p,_
PLENUM
SHEET METAL
PLENUM
--
COMBUSTIBLE
FLOORING
COMBUSTIBLE
FLOORING
FLOOR
OPENING
FLOOR -OPENING
A96284
A96285
Fig. 19--Furnace,
Pienum_ and Subbase
on a Combustible
Floor
Fig. 20--Furnace,
Pmenum, and Coil Assembly
Coil Box Installed on a Combustible
Floor
Installed
16
or
When
DISCHARGE
FLANGE
a fllrnace
is installed
DUCT
the fhrnace
fl_rnace
NO
Secure
Seal
/
connections
a 1=in. clearance
ductwork
t'or a distance
90B or local
Fmanges
assistance
operation
o1" per_bm_ance
Do not bend
cycling
completely
shown
in Fig. 21.
Step
or bend
it inward
pad.
Furnace
and angle
in Horizontal
can be suspended
iron supports.
3/8-in.
all=thread
3/8-in.
shown
rod)
unit
Metal
2!
This
Remove
a minimum
SMACNA
acoustical
or installed
fiom each
on suitable
corner
to desired
lock washers,
length.
and 3/8-in.
are provided
Use
bolts
1 X 3/8=in.
fbr hole locations.
or
outlet.
bolts
ductwork
and
Ductwork
insulated
passing
to enhance
is used,
materials
a vapor
to supply
air
from the fl/rnace.
See
can
fbr possible
be inserted
shall prevent
STICAL
openings
using
fbr sampling
the air
leaks.
TREATMENT
that do not have a 90 degree
first branch
take=off
elbow
may
and l0 fl
require
internal
standard
and fibrous
supply=air
flat
fibrous
glass
ducts.
shall comply
181 for Class
duct to 3/4-in.
The supply-air
casing
on
ductwork
Both
with NFPA
1 Rigid
air ducts.
Furnaces
to fl_mace
supply-/outlet-air
(when
flange
duct attachment
used)
duct flanges
DO NOT
on l_rnace
must
ONLY
supply-air
be connected
or air conditioning
cut main fl/rnace
casing
coil
to attach
supply side air duct, humidifie*,
or other accessories
All accessories METST be connected
external to fl/rnace main casing.
rods as
(See
Downflow
Fig. 2.)
Connect
Furnaces
supply-air
supply-air
duct to supply-air
duct attachment
must
opening
ONLY
on fhmace.
be connected
The
to fltrnace
supply/outlet
or air conditioning
coil casing (when used), when
installed on non=combustible
material. When installed on combus-
[TNIT MAY NOT OPERATE
Failure to follow this caution may result in intem_ittent unit
operation or per_bm_ance satisfaction.
The entire tength of flmlace MUST be supported when
flu'nace is used in a horizontal position to ensure proper
draining. When suspended, bottom brace supports sides and
center blower shelf When unit is supported fi'om the ground,
blocks o1"pad shoutd support sides and center blower shelf
area..
Step 4--Air
code
with a cooling coil, the outlet duct shall
construction
Connect
(4 each
nuts on hanger
used.
with
AIR CONNECTIONS
Upflow
can
blocks
by hanger
be
fl'om combustible
attachment
ACO[
lining
SUPPLY
d_e furnace
between
should
can be viewed
duct to the
duct
in either horizontal
In a crawlspace,
the
code for further requirements.
duct systems
of 210 ° as
Applications
(See Fig. 22.) Cut hanger
in Fig. 22. Dimples
air
acoustical
lining. As an alternative,
fibrous ductwork may be used
if constructed
and installed in accordance
with the latest edition of
and may cause limit
thilure.
horizontally
position.
t'rom floor joist
washers,
in Fig
used
of vibration.
90B as tested by UL Standard
can be installed
be hung
as shown
exchanger
left o1" right discharge
either
inward
heat
a--Installation
These furnaces
The cover
of main
across }*eat exchangers
or premature
flange
in intem_ittent
satisfaction
duct flanges
will affect airflow
may result
to fl_mace
air conditioning
or a probe
D[ CTWORK
OPERATE
this caution
*;or type of dttctwork
of 36 in. horizontally
that d_e heat exchanger
stleam.
NOT
be
space
Maintain
light
to follow
carry
be provided with a removable access panel. This opening shal! be
accessible
when the furnace is installed and shall be of such a size
A93029
MAY
ducts
the space containing
connections
should
For a t:urnace not equipped
Fig. 21--Duct
fhsteners
perfbrmance.
When
is recommended.
NFPA
outside
transmission
unconditioned
system
barrier
YES
with proper
and return=duct
to prevent
through
/
Failure
the supply
tape or duct sealer.
fltrnace
210°
MIN
and terminating
ductwork
Flexible
YES
casing
supply=
approved
UNIT
so that
circulated by the fllrnace to areas outside the space containing the
furnace, the return air must also be handled by a duct(s) sealed to
tible
material,
nected
must
approved
D() NOT cut main t\lmace
humidifier,
air duct,
be connected
Connect
or other
external
duct flanges
Horizontal
must
casing
ONLY
to attach
accessories.
m furnace
be modified
be con-
air conditionsupply
Al! accessories
main casing.
Supply
air
per Fig. 21.
Furnaces
supply=air
supply-air
duct to supply
duct attachment
supply/outlet
The duct system should be designed and sized according to
accepted national standa*ds such as those published by: Air
Conditioning Contractors Association (ACCA), Sheet Metal and
Air Conditioning (out*actors National Association (SMACNA) or
American Society of Heating, Refligerating and Air Conditioning
Engineers (ASHRAE), or consult The Air Systems Design Guide=
tines reference tables available fi'om your tocal distributor. The
duct system should be sized to handle the required system design
CFM at the design static pressure
attachment
or factory
side
opening
GENERAL REQUIREMENTS
duct
subbase
ing coil casing.
MUST
Duets
supply=air
to an accessory
must
or air conditioning
air opening
ONLY
on furnace.
be connected
coil casing
(when used).
The
to furnace
DE) NOT
cut main furnace casing to attach supply side air duct, humidifier,
or other accessories.
All accessories
MUST be connected
external
to fl/rnace
main casing.
RETURN
AIR (()NNECTIONS
The
fitrnace
installed
cannot
affect
mix products
17
and
its
return
so that negative
another
air
system
pressure
created
appliance's
of combustion
designed
and
by the air circulating
shall
fan
congbustion
with circulating
be
air supply
or act to
air, and that the air
3/8-1N. ROD
ANGLE
IRON OR
EQI
ALTERNATE SUPPORT
LOCATION 4-IN. MIN
8-IN MAX
(B)
(A) ROD LOCATION
USING DIMPLE
LOCATORS
(SEE DIMENSIONAL
DWG FOR
LOCATIONS)
__)
3/8-1N. HEX
& WASHER (4)
REQD PER ROD
(A) PREFERRED
ROD LOCATION
(B) ALTERNATE
ROD LOCATION
(B)
13/16-1N.MAX
ALTERNATE SUPPORT
LOCATION FROM BACK
(B)
NOTES:
1. A 1 In. clearance minimum between top of
furnace and combustible material.
2. The entire length of furnace must be
supported when furnace is used in horizontal
position to ensure proper drainage.
A93304
Fig. 22--Craw{space
circulating
nicating
type,
fan of the fhrnace,
with another
shall be operable
opening
in an enclosure
appliance
only when
in the _hmace
on ducts
if installed
fhel-buming
in the closed
Step
commu-
ApNication
5--FHter
covering
or in a remm
N
an
air plenum
--5
position.
FIRE, CARBON
HAZARD
Failure
to follow
injury
FIRE
to _bllow
injuv_
Never
this warning
or death
connect return-air
Return-air
upflow
[pflow
result
to the back
on _hmace
of the t\u'nace
side(s)
permitted
air filter
orientation.,
in
external
only.
arrangement
filter
Filter/Media
blower
must
be connected
right),
or a combination
of bottom
casing.
Bypass
may be attached
air portion
return-air
Downflow
The
and Horizontal
portion
be made
duct
DO NOT
of return-air
at ductwork
must
and side(s)
sides
of main
into unused
(left
or
Factory
instructions
t_umace
side remm
any portion
of
be
casing
or coil casing
in fire, personal
a filter or with filter access
door
will
type.
vary
The
cabinet
due to application,
filter
may
be
tl_mace
installed
(if provided)
or the furnace
supplied
washable
filters are shipped
external
Filter/Media
in an
blower
in the
its
application,
packaged
with the cabinet.
with
bactory-supplied
the
disposable
cabinet
assembly,
and
The Filter Media
washable
filter
is provided,
installation
cabinet
are
can be used
or a fitcto_-specified
filter (see cabinet
instructions).
casing
If installing
mine
connected
Bypass
for
high-eNciency
Furnaces
cut into
duct
to bottom,
DO NOT connect
duct to back of furnace
return-air
provide&
humidifier
of the ftm_ace casing.
co_dd result
comparm_ent
If a factory-supplied
duct
this warning
unit without
and
comparm_ent
Furnaces
The return-air
AND POISONING
in fire_ personal
The
ducts
duct connections
applications
could
MONOXIDE
or death.
Never operate
removed.
HAZARD
Failure
Arrangement
not of the direct-vent
any door or panel
_im con_partrnent
Horizonta{
sides
humidifier
to
return-air
or back
to attach
connections
sides exterior
opening
necessary.
any
filter
should
bottom
18
fbr
See Table
location.
shipped
to fiul_ace.
the filter
location
with
Table
in the fimaace
filter
and
2 to determine
2 indicates
this Nrnace.
and side return-air
blower
relocate
filter
compartment,
filter
correct
retaining
filter
if
size for desired
size, location,
See Fig. 2 fbr location
openings.
deter=
wire
and quantity
and size
of
Table 2--FILTER
AiR FILTER LOCATED
171/2-1N. WIDE
CASINGS
ONLY:
INSTALL FELD-SUPPLIED
FILTER FILLER STRIP
UNDER FILTER.
INFORMATION
IN BLOWER COMPARTMENT
FILTER SIZE (IN.)*
FILTER
FURNACE
CASBNG
WIDTH (iN.)
Side Return
Bottom Return
TYPE
17-112
(1) 16 X 25 X It
(1) 16 X 25 X 17
Cteaeabte
(1) 16X25X
(1) 20X25X
17
Cteanable
(1) 24X25X
17
Cieanabte
21
24-112
1
(1 or 2) 16X25X1
* Filters may be field modified by cutting filter matedal and support rods (3) in
filters Alternate sizes and additional filters may be ordered from your dealer
? Factory-provided with furnace.
(.'ITS
AND
ABRAS!ON
Failure to %llow
HAZARD
this caution
may result
in minor
personal
injury
Use care when cutting
flying pieces
rods in filters to protect
against
and sharp rod ends. Wear safety glasses,
gloves,
and appropriate
support
protective
clothing.
i
UN!T
MAY
Failure
NOT
to follow
operation
OPERATE
this caution
or perfbmaance
For airflow
may result
in intem_ittent
unit
WASHABLE
FILTER
satisfaction.
requirements
above
1800 CFM,
see Air Delivew
table in Product Data literature
fbr specific use of single side
inlets. The use of both side inlets, a combination
of 1 side and
the bottom,
openings
NOTE:
or the bottom
for airflow
Side return=air
configurations.
only will ensure
requirements
above
adequate
return
air
1800 CFM.
openings
can ONLY
be used in [ PFLOW
filter(s)
as
in Fig.
Install
shown
23
Bottom
'\\
retmYPair opening may be used with all 4 orientations.
Filter may
need to be cut to fit some furnace widths. Install filter as shown in
Fig
\
FILTER
RETAINER
FILTER
SUPPORT
24.
A00213
Fig. 24_Bottom
WASHABLE
FILTER
To remove
bottolTl clostlre
FHter Arrangement
panel,
perfbm_
1. Tilt or raise [_urnace and remove
panel. (See Fig. 25.)
FILTER
RETAINER
2
Rotate
3
Remove
4. Reinstall
fi'ont filler panel
bottom
closure
downward
the following:
2 screws holding
to release
fi'ont filler
holding
tabs.
panel
front filler panel
and screws.
\
A93045
Fig. 23--FHter
NOTE:
Remove
inlet is used.
Step
6--Bottom
F'his furnace
installed
and discard
Closure
is shipped
bottom return-air opening.
remm air is used.
bottom
for Side inlet
closure
panel
when bottom
Panel
with
bottom
closure
panel
installed
BOTTOM
CLOSURE
PANEL
in
This panel MUST be in place when side
FRONT FILLER
PANEL
A93047
Fig. 25--Removing
19
Bottom Closure
Panel
Step 7--Gas
Piping
GAS
Gas piping must be installed in accordance with national and local
codes Refer to cun'ent edition of NFGC in the United States
SUPPLY
MANUAL
Canadian installations must be made in accordance with NSCNG=
PIC and all authorities having jm'isdiction.
_/
II
vSHUTOFF_
Gas supply line should be a separate tine running directly flora
meter to _i/rnace, it" possible Refer to Table 3 for recommended
gas pipe sizing.
Table a--MAXiMUM
NOMINAL
IRON
PIPE
SBZE
(IN.)
1,'2
CAPACITY OF PIPE*
LENGTH OF PIPE (FT)
tNTr=RNAL
DIAM_aTER
ON.)
10
20
30
40
50
0.622
175
120
97
82
73
a/4
0.824
360
250
200
170
151
t
1.049
680
465
375
320
285
1-114
1.380
1400
950
770
660
580
1-1/2
1.610
2100
1460
1180
990
900
A93324
Fig. 26--Typical
Piping
Cubic ft of gas per hr for gas _ressuresof 05 psig (14-in wc) orless and
a pressure drop of 05-in wc (based on a 0.60 specific gravity gas)
Ref: Table 9.2 NFGC.
should
and national
exceeds
tested
in accordance
and gas codes befbre
In (anada,
the pressure
Risers must be used to connect to _hrnace and to meter. Support all
gas piping with appropriate straps, hangers, etc Use a minimum of
1 hanger eve_ 6 t't. Joint compound (pipe dope) should be applied
sparingly and only to male threads of joints. Pipe dope must be
resistant to propane gas.
be pressure
plumbing
connected
Gas Pipe Arrangement
refer
to cun'ent
05 psig (14-in.
edition
fi'om the fimaace
test pressure
is equal to or less than 05
After
shutoff
shutoff
and capped
have been made,
befbre
If
pipe must be
pressure
tesL If
psig (14=in. wc), mm off
switch located on furnace
valve before test.
all connections
local
has been
of NSCNGPI(
wc), gas supply
disconnected
electric
manual
with NFGC,
the furnace
gas valve and accessible
purge
lines and check
%r
leakage.
NOTE:
-->
FIRE
OR
EXPLOSION
Failure
to fbllow
personal
injury,
= Connect
HAZARD
this warning
could result
using a backup
wrench
switch
MUST
be fitcing _:bmard
exceed
05
maximum
tap connection
providing
psig (14=in
is suitable
test pressure
wc) stated
NOT
on gas valve
(See
to avoid
The
gas
or tilted
minimma_ inlet supply pressures
marked on the rating
the fi/rnace burners ON at HI-HEAT
and OFF.
supply
pressure
shall
be
within
to
DOES
53.)
gas contlols
= Gas valve shutoff
connection
Fig
or death
gas pipe to fhmace
damaging
in fire, explosion,
The gas valve inlet pressure
use as test gauge
the
maximum
and
plate with
upward.
= Never
purge
a gas line into a combustion
test t'or gas leaks
with
an open
flame.
Use
available soap solution made specifically
leaks to check all connections.
= Use proper
mani_bld.
length
= If a flexible
connector
having
jurisdiction,
tiu'nace
gas valve
Nrnace
casing.
Install
a sediment
installed
by
level
of gas
iron
and extend
trap
in riser
control
manifold
If local
codes
always
use a new listed connector.
has previously
An accessible
_hmace
tapping,
casing
riser
and manual
served
manual
another
shutoff
and within
Trap can be
to
t\u'nace
connect
should
joint
at
valve.
below
between
(See Fig
gas appliance
valve MUST
be installed
A li8=in
connection,
of gas supply
shutoff valve
and 52A-H
115-v
and 24-v
connections
for field
wiring
wiring
Check
diagram
all _hctow
showing
and field
for tightness
26.)
which
to
NPT plugged
MiST
connection
external
be installed
to furnace
SHOCK
Failm'e to follow
or death,
this warning
Blower
access
cont_oi
No component
switch
door
switch
HAZARD
could
opens
operation
result in personal
ll5-v
power
inju W
to furnace
can occur, Do not bypass
or
with panel removed,
Field=supplied wiring shall con%rm with the limitations of 63_T
rise.
gas
connector,
Do not use a connector
6 ft of filrnace.
27, 28,
field
ELECTRICAL
close
a capped
extend
union
so
gas appliance
_br test gauge
upstream
of manual
installed
of 2 in. outside
Then
nipple
gas shutoff
typical
Connections
by authority
be
leading
allow the use of a flexible
accessible
immediately
downst*eam
shall
to ihmace.
a ground
See Fig.
of
electrical
of tee is vertical
Place
8--Electrical
on gas control
a n_inin-mm
end of tee. (apped
contIots.
a commercially
or allowed
leading
Step
Never
for the detection
stress
pipe
a tee to
section
into lower
to avoid
is required
black
connecting
straight-through
nipple
of pipe
chamber.
and
2O
....
....
---
FIELD 24-V WIRING
FIELD 115-, 208/230-, 460-V WIRING
FACTORY24-V WIRING
FACTORY1I5-V WIRING
FIELD-SUPPLIED
FUSED DISCONNECT
208/230- OR
PHASE
208/230-V
SINGLE
115-V FUSED
DISCONNECT
SWITCH
(WHEN REQUIRED)
CONDENSING
UNIT
NOTES:
1. Connect Y-terminal as shown for proper operation.
2. Some thermostats require a "C" terminal connection as shown.
3. If any of the original wire, as supplied, must be replaced,
use same type or equivalent wire.
A99071
Fig. 27--Typical
Heating and Cooling
Application
Wiring
Diagram 1-Stage Thermostat
....
....
---
and Condensing
Unit
FIELD 24-V WIRING
FIELD 115-, 208/230-, 460-V WIRING
FACTORY 24-V WIRING
FACTORY 115-V WIRING
2-STAGE THERMOSTAT TERMINALS
S_IEN _
t
THREE_WIRE-,_11
HEATING__
ONLY
_
(_
II
(_
(_) (_
(_(_
II
FIELD-SUPPLIED
_
_k
F-TI
I
i
I
i
FUSED DISCONNECT
_
i
208/230- OR
460-v
PHASE
208/230-V
SINGLE
'PHASE
JUNCTION
115-V FUSED
DISCONNECT
BOX
SWITCH
(WHEN REQUIRED)
CONTROL
BOX
@
2-SPEED
CONDENSING
UNIT
@
N-VTERMINAL
BLOCK
FURNACE
NOTES: 1. Connect Y-terminal as shown for proper operation.
2. Some thermostats require a "C" terminal connection as shown.
3. tfany of the original wire, as supplied, must be replace&
use same type or equivalent wire.
A99072
Fig. 28--Typical
Heating and Cooling
Application
Wiring
2i
Diagram 2-Stage Thermostat
and Condensing
Unit
Table5--APPROVED
ASTM SPECNCATION
(MARKED
ON MATER_AL)
D1827
COMBUSTION-NR
B4ATER_AL
PiPE
FITTINGS
ABS
Pipe
--
PVC
Pipe
--
D1785
AND VENT PIPE, FITTNG
SOLVENT
CEMENT AND PRNERS
Schedule-40
Solvent
Cement
D2238
For ABS
--
D2241
PVC
Pipe
--
SDR-21 & SDR-26
D2488
PVC
--
Fittings
Schedule-40
D2488
ABS
--
Fittings
--
For ABS
Schedule-40
Solvent
Cement
D8884
For PVC
--
--
D2881
ABS
Pipe
Fittings
D2888
PVC
Pipe
Fittings
DWV
F488
CPVC
--
Fittings
Schedule-40
F441
CPVC
Pipe
--
Schedule-40
F442
CPVC
Pipe
--
F498
For CPVC
--
--
F628
F688
ABS
For PVC
Pipe
--
---
F891
PVC
Pipe
--
MAY
Failure
For PVC
DWV at Schedule-40
NOT
to follow
For CPVC
Cellular Core DWV at Schedule-40
Primer
in intermittent
unit
within
Furnace
control
control
will
green/yellow
box screw.
lock
WIRING
Befbre
proceeding
power
plate.
Also,
for proper
(ontrol
is
to gas valve
and phase
supply
equipment
ouL
with electrical
fiequency,
f_/mace rating
be grounded
wire routed
115-V
by
must
check
grounded
connections,
and burner
make
certain
to that specified
to be sure that service
to handle
load
or
through
( 4erminal
correspond
is sufficient
operation
imposed
Rd.'_r to rating plate or Table 4 for equipment
that
A disconnecting
f'rom and readily
NOTE:
Proper
polarity
is incorrect,
contlol
rapidly
and I:urnace
will NOT
--€
FIRE
polarity
must
means
accessible
be maintained
LED
stares
dtis
to _bllow
and fi/rnace.
electrical
for l15-v
indicator
be located
wiring.
If
light will flash
operate.
this warning
could
result
operation
or perfi_rmance
satisfaction
Do not connect aluminum
wire between
provided
must
to ftlrnace
HAZARD
Failure
on the
by
sight
& DWV
branch electrical circuit containing a properly sized
breaker for this J:ilrnace. See Table 4 for wire size
and filse specifications
may result
IPS sizes
For PVC
Cellular Core Schedule40
OPERATE
this caution
tPS sizes
SDR
Solvent
Cement
operation.
voltage,
DESCRBPTBON
Schedule-40
Use a separate
fuse or circuit
[?NIT
AND CEMENT MATERIALS
Use only copper
wire.
in intermittent
disconnect
switch
(See Fig. 29.)
specifications.
For
U.S.
installations,
dance with National
make
all electrical
Electrical
(;ode
(NE()
connections
ANSIiNFPA
in accoro
70-2002
and any local codes or ordinances
that might apply. For Canadian
installations,
all electrical connections
must be made in accordance
with
Canadian
Electrical
(?ode
(SA
C22.1
or authorities
having
jurisdiction.
Table 4_ELECTRICAL
OPERATNG
VOLTAGE RANGE
UNT
S_ZE
VOLTS-HERTZ-PHASE
Max*
Min*
MAX
UNT
AMPS
080=12
115-60-1
127
104
8.4
080=12
115-60-1
127
104
080=18
115-60-1
127
100=16
115-60-1
100=20
115-60-1
t20=20
115-60-1
DATA
NIN
WNE
SRZE
MAX WNE
LENGTH
(FT)J;
MAX FUSE
OR CKT EKR
AMPS**
11.3
14
83
15
8.1
10.8
14
84
15
104
11.6
15.3
12
87
20
127
104
11.6
15.4
12
37
20
127
104
13.3
17.5
12
33
20
127
104
12.9
16.8
12
84
20
UNT
AMPACITYt
Permissible limits of voltage range at which unit will operate satisfactorily.
1 Unit ampacity = 125 percent of largest operating components full load amps plus 100 percent of all other potential operating components'
load amps
$ Length shown is measured 1 way along wire path between unit and service panel for maximum 2 percent voltage drop.
** Time-delay type is recommended
22
(EAC, humidifier,
etc ) full
ELECTRIC
DISCONNECT
SWITCH
ALTERNATE -FIELD
LOCATION
S
ACTORY
INSTALLED
LOCATION
®
(_/"/
A93033
Fig. 29--Disconnect
Switch
ELECTRICAL
SHOCK
Failure to follow
this warning
AND
FIRE
and Furnace
Y
HAZARD
coud result
in electrical
shock,
fire, or death
The furnace
casing
MUST
have an unintem/pted
or unbroken
A00212
ground according
to NEC ANSINFPA
70-2002 and (arm=
dian Electrical
(}ode CSA (}22 1 or local codes to minimize
personal
injury
if an electrical
consist
of electrical
ground
when
codes.
wire
installed
£mlt should
or conduit
in accordance
Do not use gas piping
occur.
approved
Fig. 30--Relocating
This may
for electrical
with existing
as an electlical
2
electrical
Hmalidifier
Connect
ground.
(HEM)
an accessory
Co_>24V
screw terminal
The HUM
1, Remove 2 screws holding auxiliary J=box, (See Fig 300
OR ELECTRICAL
SHOCK
to fbllow this warning
operation
or perfbmaance
in intermittent
-9
on f:urnace,
not contact
field
for proper
similar
24=v connections
Connect
cooling
at 24=v terminal
terminal
operation.
Y/Y2
contains
control
during installation,
block
as shown
in Fig
Use only AWG No
an amomotive-type,
(See Fig
service,
size/type.
is required,
The control
on furnace.
shorts
of 24-v wiring
could cause this fuse to
use ONLY
a 3-amp
will flash code 24 when
fuse of
fi/se needs
connect
terminals
connection.
are
during blower
fbr
EAC
energized
motor
with
marked
l15=v
(See
f_amace
terminal
device.
may result
control
HUM
on Thermidistaff
See Themlidistat-f_L
component
terminal
M, Zone
Zone
manufitcturer's
in unit
to HEM
Controller
Conholler,
instructions
or
ff*ermo=
for
proper
EAC-1
Fig.
(1.0=amp
Venting
an existing
original
are
this caution
REMOVAL OF EXISTING EL RNACES FROM
COMMON VENT SYSTEMS
(EAC)
Two male quick=connect
provided
relay connected
to
operation
is desired
The 58MTA fi/mace requires a dedicated (one 5SMTA furnace
only) direct-vent system In a direct=vent system, all air for
combustion is taken directty fi'om outdoor atnlosphere, and alt flue
gases are discharged to outdoor atmosphere
fi/se located
When
Air Cleaner
is energized.
HAZARD
to follow
Step 9--Direct
A( CESSORIES
terminals
DAMAGE
stat, or controller
connection,
27 and 28
replacement
1. Electronic
gas valve
18, color=coded,
3-amp
32) Any direct
or maintenance
If ftlse replacement
identical
when
strip.
operation.
(humidifier)
The 24-v circuit
blow.
UNIT
damage.
DO NOT
copper themlostat
wire fbr lengths up to 100 ft For wire lengths
over 100 it, use AWG No. 16 wire.
on furnace
blower
Failure
or gas components
(See Fig. 32)
is energized
and
board them_ostat
unit
satisfaction.
24=V WIRING
Make
terminal
on the control
humidifier
HUM terminal
HAZARD
could result
If manual disconnect
switch is to be mounted
select a location where a drill or fhstener will
electrical
amp n_aximum
NOTE:
A field=supplied,
115 v controlled
EAC terminals
may be added if humidifier
during
Failure
05
(See Fig. 31 or 32.)
2, Rotate J-box 180 ° and attach box to left sidQ using holes
provided
FIRE
24 VA(,
(if used) to the 1/4=in. male quick=connect
J=BOX RELOCATION
-9
J=Box
venting
and EAC-2
the remaining
32.)
I venting
These
n_axirnum)
furnace
operation.
23
attached
system
and vent,
and spillage
Category
system
I furnace
is removed
may no longer
appliances
could
cause
leakage
of combustion
be sized
An improperly
the formation
of condensate
products
or replaced,
to properly
sized
(ategoLv
of condensate
and combustion
into the living
the
vent
in the
products,
space,
etc.
CONNECTIONDIAGRAM
RED
FIRS
M
CAP-2
FIELD-DISCONNECT
112
BREAKER & DISCONNECT
SV_ITCH
SCHEMATIC
NOTE
#2
DIAGRAM
(NATURALGAS& PROPANE)
BLU --
_OM NEUTT%'
L_jNo_
R
HI
NOTE
#3
_._GR_JYEI
TO 115VAC
FUSE OR CIRCUIT
LS
HP
IHBLOR
BRN
BRN
ORNJ
X'_/LGPS0'M4ENUSED)
x'_/LPS
I
?
I
HS]
!,
, I
-
t
I
T
I I iF
....
PL5
p[4 4 LO
1
SELECT C}@,RT
4T
SWI
LO4tT
BL(N"_R
i ONLY OFF-I_LAy
il
*
ON
NORN
OFF'HEAr
_ _2C
3 90
i_;
PL3
'
I_HT/CLR
SoN
RA_,
i c'i°
1
kO
_2C
3 180
_SEC
* FACTORY SEThNGS
L2
SPARE-1 I-MED LO
HI HEAT-_,_D
OTE #10
CAP-1
_L
I,- _=DHI
HI
STAR
BLK
_!- -2-_
PL1
ON
OFF
P[2
COOKING SFA_-2
BIWR
i'180
1_
BHBLOR
L1
u
3
ACRDJ
@
J
o
GRNJYEL
BRN
L2
L.,
PM-6
FU1
SEC 1
TRAN
= MED HI--
V_q"
_rrr
RED
PL1-12
E_U
4_
ACR
ACRDJ
BHI/LOR
BHT/CLR
AIR CONDFIONING
RELAY SPST (NO)
AIR CONDITIONING
RELAY DISABLE JUMPER
BLOWER MOTOR SPEED CHANGE
RELAY SPDT
BLOWER MOTOR SPEED C HANGE RELAY SPDT
BLWR
BLWM
CAP 1 2
CPU
DHUM
EAC 1
EAC 2
FRS
FS_
FU1
FU2
GND
GV
GVR 1.2
BLOWER MOTOR RELAY. SPST (NO)
BLOWER MOTOR¸ PERMANEN_SPUT CAPACITOR
CAPACITOR
MICROPROCESSOR AND CIRCUITRY
DHUM CONNECTION
ELECTRONIC AIR CLEANER CONNECTION
(115 VAC 10 AMP MAX¸)
ELECTRONIC AIR CLEANER CONNECTION
(COMMON)
FLAME ROLLOUT SW MANUAL RESE_SPST (NC)
FLAME PROVING ELECTRODE
FUSE 3 AMP AUTOMOTIVE BLADE TYPE FACTORY INSTALLED
FUSEOR CIRCUIT BREAKER CURRENT INTERRUPTDEVICE
(FIELD SUPPLIEDAND INSTALLED)
EQUIPMENT GROUND
GAS VALVE REDUNDANT
GAS VALVE RELAY DPS,r(N O )
HPS
HPSR
HSI
HSIR
HUN1
IDM
IDR
IHI/LOR
ILK
JB
LED
HIGH HEAT PRESSURESWFCH,SPSF (NO)
HIGH HEAT PRESSURESWITCH RELAY. SPSF (NC)
HOT SURFACE IGNITER (115VAC)
HOT SURFACE IGNITER RELAY SPST (NO)
24VAC HUMIDIFIER CONNECTION (05 AN1P MAX)
INDUCED DRAH MOTOR
2 SPEED_SHADED POLE
INDUCED DRAFT NIOTOR RELAY SPSN(N O)
INDUCER MOTOR SPEED CHANGE
RELAY SPDF
BLOWER ACCESS PANEL INTERLOCK SWITCH SPS_(N O)
JUNCTION BOX
UG HT EMITIING DIODE FOR SFATUSCODES AMBER
LGPS
LPS
IS
OL
PCB
LOW GAS PRESSURESWFCH
SPSN(N O)
LOW HEAT PRESSURE SWFCH
SPST (NO)
LIMIT SWFCH AUTO RESELSPST (N C)
AUTO RESETINTERNAL MOTOR OVERLOAD TEMPERATURE SWITCH (NC)
PRINTED CIRCUIT BOARD CONTROL
PM
PL2
12 CIRCUIT PCB CON NECTOR
3 CIRCUIT PCB HSI& IDM CONNECTOR
PL3
PL4
PLS
PLT
6
4
2
3
TRAN
TEST/IWIN
TRANSFORMER 115VAC/24VAC
COMPONENT
TEST & TWIN NING TERMINAL
CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
ICNI MOTOR
CONNECTOR
(NOT SHOWN)
IDM CONNECTOR
HSI CONNECTOR
fACTORY TESTCONNECTOR
$)PL1-4
PL1G
NOTE
#_i_J
(WHENLGPS
USE
HPS
$ PLI-lO
JUNCTION
O
TERMINAL
CONTROL
....
PCB TERMINAL
FACTORY
POWER
FACTORY
CONTROL
)'PL1-9
WI RING (24VAC)
FIELDCONTROL
WIRING (115VAC)
FIELDCONTROL
WIRING (24VAC)
CONDUCTOR
(_
WIRING (115VAC)
ON CONTROL
PCB
i_
NOTE #5
PCB
FIELD WIRING SCREW TERMINAL
--L
FIELD EARTH GROUND
EQUIPMENT GROUND
FIELD SPUCE
_)
_
PLUG RECEPTACLE
A02176
Fig. 31--Wiring
Diagram
Combustim>air
CARBON
Failure
MONOXIDE
to follow
connected
the steps outlined
to the ver*tir*g system
could result
The
in carbon
fol!owing
connected
while
POISONING
steps
shall
below
for each appliance
placed
poisoning
be
for each
beir*g placed
connected
See Table
Furnace
tached
appliance
to the x enting system
2. Inspect
the venting
system
pitch, as required
Z223H=2002NFPA
some
are
Installation
cmxosion
and other
ur*safe condition.
3. As far as practical,
cor*nected
spaces
or restriction,
deficiencies,
which
close all buildir*g
between
the space
to the ver.tir.g
could
doors
in which
system
are
--€
leakage,
cause
an
ar*d aindows
the appliance(s)
located
and
other
of the building.
4. Close
fireplace
dryers
and any appliance
the ver.ting
system.
range
and bathroom
hoods
6. Follm_
speed.
into
hood
Place
Adjust
exhaust
the appliance
Slope
the them?ostat
combustion-air
relief
opening
ver.ting
after
andor
ver.ting
When
at the
of main
system
that each appliance
properly
remm
doors,
vents
aboxe,
dampers and any other gas-fired
conditions
of use.
NOT
or vent cor*nectors
when
or connector
using
burner
Gas and
_ir*dows,
tested
exhaust
appliance
as
it passes
is used
dards
vent systems
fhns,
in Table
INIT
CORROSION
which
to their
AND
table
VENT
fbtmd
For ar*y
inside
include
as possible
National
and American
Society
minimum
in the NFGC
star*dards.
See Table
See Table
7 for maximum
5 for approved
piping
primers,
Standards
for Testing
must
(ANSI)
and Materials
star*°
(ASTM)
for use in the U.S.A.
ar*d Fig. 37, 38, 39, 40, and
CARBON
Failure
to
damage,
personal
cement.
combustior*°air
SDR
and vent
sized for 2-it*. pipe. Ar*y pipe size change
furnace
drainage
casing
pipe
must
8 with Am_aflex-type
fieezir*g,
space or when
be insulated
a
as
insulation.
HAZARD
air is fi'equently
fluorides,
contaminated
chlorides,
products
air
may
structure
by halogens,
bromides,
and iodides.
detergents,
adhesives,
bleaches,
pair*t, ar*d
Locate
corr*bustion-air
inlet as far
pool
and swimming
pool pump
an'angements.
pipe
Furr*ace
below
an unheated
FIRE AND EXPLOSION HAZARD
Failure to %llow this wamir*g could result in fire, property
damage, persona! irljnry, or death.
Solvent cemer*ts are combustible Keep away fi'om heal
sparks, and open flame Use or*ly in well ver*tilated areas
Avoid breathing in vapor or allowing contact with skirl or
eyes
DWV pipe
Canada.
NOTE:
unit
size as
and vent pipes fbr this unit
PVC, PVC-DWV
or ABS=
pipe
it* intem_ittent
to temperatures
through
from swimmir*g
It* Canada, construct all combustion-air
of CSA or ULC listed schedule-40
and
may result
or NSC=
ar*d solvents
Ir*stimte
materials
pipe lengths
"N
honse,
PIPING
and vent pipe, fittings,
m
These elemer*ts are _bund in aerosols,
clear*ir*g solvents, salts, air _?esher*ers,
or vent connectors,
must be sized to approach
to Americar*
41 _br exterior
toward
0
as a raceway,
shown
because
General
cot*form
in
ft with no sags between
Excessive
exposure
to contaminated
combustior*
result in safety and perfbrmance
related problems.
(ombustion
air must r*ot be taken fiom inside
connected
when
may r*eed to be resized.
resizing
appropriate
COMBUSTION=AIR
Combustion-air
downward
and
OPERATE
vent pipe is exposed
other household
determined
NGPIC
and vent pipes
of 1/4 in. per linear
to _bllow this caution
chimney
(7ode.
fireplace
prexions
system
to be relocated
any of the above
B 149.1, Natural
outlined
appliances
cap may need
or candle.
during
(SA
9. After it has been determined
other
be at-
operation.
so appli=
appliances
5 minutes
of a match
is observed
54-2002
MAY
such as when
fl'om draft hood equipped
Installation
system
must
intake plug fitting
MINOR PROPERTY DAMAGE
Failure to fbllow this caution may result in water damage
f?om cor*der*sate drippir*g.
When combustion-air pipe is instal!ed above a suspended
ceiling, pipe must be ir*sulated with 3iSqn. thick Armaflex=
type insulation (ombustion-air pipe should also be insulated
when it passes through wam_, humid space to prevent
condensate fi'om dripping l:i'om the combustion°air pipe
Failure
being
NFPA
Vent
connections
applications.
UNIT
fan.
2002
the
vent
.
so they are operating
a summer
fl_e venting system must be cotxected in accordance
the National
Fuel
Gas (?ode.
ANSI
Z223A=
to
alternate
as
tests,
with
Propane
housing
to
rims, such
continuously.
Use the flame
8. If improper
r*ot cor*nected
any exhaust
exhausts,
operation.
7. Test for spillage
operation.
on
instructions.
ar*ce is operating
draft
Turn
Do r*ot operate
fl_e lighting
ir*spected
(roof
dampers.
5. Turn on clothes
at maximum
in same
hangers.
size ar*d horizontal
(?ode ar*d these ir*structions.
that there is no blockage
ar*d all doors
and vent pipe
in Fig. 34. Combustion=air
furr*ace a minimum
system.
fbr proper
together
in the National
Fuel Gas (!ode, ANSI
54°2002 or the CSA B149.1. Natural
Gas and Propane
Detem?ine
it* xenting
terminate
clearances.
combustion=air
NOTE:
openir*gs
must
zone, either through roof or sidewall
using accessory
termir*ation kit
6 for required
as shown
indr*cer
Jr*to operation,
not in operation:
1. Seal any unused
and vent pipes
pressure
preferred),
into operation
or death
fbllowed
to the ver*ting system
al! other appliances
HAZARD
being
monoxide
atmospheric
tem_inatior*
in vertical
pipe.
is NOT
pipe
should
approved
connections
in
All
are
follow
combustion-air
this
POISONING
warning
proper
of vent condensate.
25
HAZARD
could
result
in
property
irljury, or death.
ar*d vent
pipes
watertight
Pipes must also tem_inate
37, 38, 39, 40, or 41.
be made outside
(See Fig. 330 This allows
MONOXIDE
must
exactly
be
airtight
and
as shown in Fig.
\
A
_
item
A
Clearance Description
Clearance
Canadian
above grade, veranda, porch, deck, balcony, or
anticipated
B
Installation
AREA WHERE TERMINAL
iS NOT PERMITED
(1)
U.S Installation
12" (30cm) #
(2)
12" (30 cm)
snow level
Clearance
to a window or door that may be opened
to a permanently
9"(23 cm) for appliances
> 10,O00 Btuh (3 kW)
regulator assembly
3" (91 cm) within 15"(4.5 m) above the meter/regulator
assembly
3'(91 cm)within
assembly
D
Vertical clearance to a ventilated soffit located above the
closed window
distance of 2"(61cm) from the
E
Clearance
to an unven61ated soffit
F
Clearance
to an outside corner
G
Clearance
to an inside corner
H
Clearance
to each side of the centedine
meter or gas service
extended above
I
Clearance
to service regulator
vent oufiet
3" (91 cm)
J
Clearance
to non-mechanical
air supply inlet to building or
9" (23 cm)for appliances
the combustion
> 10,000 Btuh (3 kW)
and < 50,000 Btuh (15kW), 12"
(30 cm) for appliances > 50,006 Btuh (15 kW)
Clearance
terminal within a horizontal
centedine of the terminal
12" (30 cm) for appliances
and < 1O0,OO6Btuh (30 kW), 36"
(91 cm) for appflances > 160.600 Btuh (30 kW)
C
electrical
E_
(_) AIR SUPPLY INLET
VENT TERMINAL
air inlet to any other appliance
9"(23 cm) for appliances
> 10,000 Btuh (3 kW) and
> 16,000 Btuh (3 kW)
and < 50.600 Btuh (15kW), 12"
(30 cm) for appliances
6" (1.83 m)
3' (91 cm) above if within 10"(3m)horizontally
Clearance
to a mechanical
L
Clearance
under a veranda, porch, deck, or balcony
12" (30 cm) +
M
Clearance
to each side of the centerline
12" (30 cm)
12" (30 cm)
3" (91 cm)
3' (91 cm)
3" (91 cm)
3' (91 cm)
extended above or
m) above the meter/regulator
< 100,000 Btuh (30kW) and < 50.000 Btuh (15 kW), 12"
(36 cm) for appliances > 56,066 Btuh (15 kW)
K
air supply inlet
15'(45
> 50,006 Btuh (15 kW)
below vent terminal of the furnace to a dryer or water heater
vent. or other appliance's
Clearance
direct vent intake or exhaust
to the vent terminal
vent, or other appliances
Clearance
of a dryer vent, water heater
direct vent intake or exhaust.
from a plumbing vent stack
(1)
In accordance
with the current CSA B149 1. Natural Gas and Propane lnstaHafon
(2)
In accordance
with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code
Code
#
18 " (46 cm) above roof surface
+
Permitted only if veranda, porch, deck. or balcony is fully open on a minimum of two sides beneath the floor.
For clearances not specified in ANSI Z223.1/N F PA 54 or CSA B 149.1, clearances shall be in accordance
manufacturer's installation instructions
with local install ation codes and the req ui remen ts of the gas su pplier and the
Notes:
1
2
The vent for this appliance shaft not terminate
a. Over public walkways; or
b
Near soffit vents or crawl space vents or other areas where condensate
c.
Where condensate
When locating vent terminations,
Recirculafon
3
vapor could cause damage or could be detrimental
considerafon
can cause poor combustion,
of regulators,
relief valves, or other equipment
must be given to prevailing winds, location, and other conditions which may cause recirculation
inlet condensate
Avoid venting under a deck or large overhang
or vapor could create a nusaince or hazard or property damage; or
to the operation
Recircutation
problems,
and accelerated
of the combustion
products of adjacent
vents
corrosion of the heat exchangers.
could occur and cause performance
or system problems.
A04117
-_ Table 6--Direct
Vent Termination
26
Clearance
SETUP SWITCHES
LOW-HEAT ONLY AND
BLOWER OFF-DELAY
x
TWINNING AND/OR
COMPONENT
TEST
TERMINAL
N
N
N
J
\
J
/
/
ACRDJ - AIR CONDITIONING
RELAY DISABLE JUMPER
y
24-V-THERMOSTAT
TERMINALS
TRANSFORMER
24-VAC
CONNECTIONS
HUMIDIFIER TERMINAL
(24-VAC 0.5 AMP MAX.) .......................
PL1 - LOW VOLTAGE MAIN
HARNESS CONNECTOR
3-AMP FUSE
LED OPERATION & J J:
DIAGNOSTIC LIGHT
PL3
115-VAC (L2) NEUTRAL-Jr
CONNECTIONS
B_,iOR
J
I HEAT
B.TCL_
E
SPARE-1 /
BLOWER
SPEED'__
BLW_
1
SPARE-2
COOL
SELECTION
TERMINALS
\
PL2 - HOT SURFACE
IGNITER & INDUCER
MOTOR CONNECTOR
VOLTAGE CONNECTION
115-VAC (L1) LINE
EAC-1
TERMINAL
__.j
(115-VAC
1.0 AMP MAX,)
A02017
Fig. 32--Control
Center
2 When installing vent systems of short pipe length, use the
smallest allowable pipe diameter, Do not use pipe size greater
than required or incomplete combustion_ flame disturbance_ or
flame sense lockout may occur,
FURNACE
NOTE: Do not count elbows or pipe sections in tem_inations or
within [_umace, See shaded areas in Fig, 37, 38, 39, 40, and 41,
NOT IN
HORIZONTAL
SECTION
EXAMPLE:
An 080-12
lis, elevation
650 t't above
application
with
TRANSITION IN
VERTICAL SECTION
5 elbows
indicates
pipe,
requiring
used
but require
for both
required
same
NOTE:
The minimum
for fl_ese fi/maces
water
&oplets.
combustion-air
is 5 ft, Short pipe lengths
These
droplets
minimum
offset pipe section
to reduce
excessive
Combustion-Air
Determine
1, Using
and vent pipe length
droplets
and Vent
combustion-air
Table
combustion-air
7,
is recommended,
2-1/2
combustion
were
in AlbuquerquQ
installation
would
pipe,
2-in. pipe is only good
2-1/2
in, pipe is good
since
larger
f_r both
pipes.
If
elevation
5250
f_
require
At 500I-
air pipe
pipe must be
pipes
be used
2ol/2
in
to 6000-ft
for 17 ft with 5 elbows,
fbr 70 ft with
7
vent
but only 30 fl
in diameter
always
tion,
Combustion-Air
and vent pipe diameter,
detem_ine
and vent pipe diameters
combustion-air
sea level,
must
Table
vent
elevaand
5 elbows,
vent pipe outlet,
Pick the larger of these 2 pipe diameters
_br both
in Fig, 35_
Pipe Diameter
individually
in diameter
Therefore,
diameter
pipe,
along
allow a 2-in. diameter
fbr 35 t't with 3 elbows,
pipe and combustion-air
and a 12-in,
as shown
would
a 2-1/2
in an
and 32 ft of vent pipQ
vent and combustion-air
installation
above
(5-8 ft) may discharge
may be undesirable,
fi'om exiting
(each)
in Indianapo-
and 34 ft of confbustion-air
this application
with 5 elbows).
Fig. 33--Combust{on-Air
and Vent P{pe Diameter
Transition Location and Elbow Configuration
located
sea level, could be installed
3 elbows
(2-ira pipe is good
A93034
size _lmace
allowed
NOTE:
the
smallest
All pipe joints
combustion-air
fbr each pipe,
necessary
and use this diameter
1
and vent pipes,
27
and Vent Pipe Attachment
Attach
must
be cemented
pipe to inlet housing
to remove
except
connection_
attachment
pipe _br servicing
combustion-air
of
since it may be
pipe to ftmaace as follows:
NOTE:
Select 1 vent pipe connection and
1 combustion-air
pipe connection.
NOTE:
Select 1 vent pipe connection and
1 combustion-air
pipe connection.
AIR
COMBUSTION-AIR _
COMBUSTION-AIR
VENT
COMBUSTIONAIR
UPFLOW
_;_
DOWNFLOW
COMBUSTIONAIR
COMBUSTIONAIR
VENT
HORIZONTAL-LEFT
COMBUSTIONAIR
AIR
FLOW
VENT
DISCHARGE
HORIZONTAL-RIGHT
DISCHARGE
A96187
Fig. 34--Combustion-Air
and Vent
Pipe Connections
a. Detem_ine tocation of" combustion-air intake pipe connec=
tion to con_bostion=air intake housing as shown in Fig. 34
for application.
using RTV sealant, oI by drilling a
hole in fitting, using
hole in intake housing as a guide Install a field-supplied No. 6 or
No. 8 sheet metal screw.
b. Reposition combustion=air intake housing plug fitting in
appropriate unused intake housing connection.
NOTE: DO NOT OVERTIGHTEN S(REW. Breakage of intake
housing or fitting may cause air teakage to occur
c. It" required (See Table 7), insert perfPrated disk assembly
(factory=supplied in loose parts bag) in intake housing
where combustion=air intake pipe will be connected. If half
disk set is required, install with shoulder of disk against
stop in combustion=air inlet.
A plugged &ain connection has been provided on this fitting £br
use when moisture is fbund in combustion-air intake pipe and
combustion box
NOTE:
Moisture
improper
d. Install pipe support (fhctow-supplied in loose parts bag)
into selected fhmac¢ casing combustion-air pipe hole. Pipe
support should be positioned at bottom of casing hole
in
termination.
tion is similar
combustion=air
Ensure
intake
combustion-air
may
be
result
of
intake pipe termina-
to that shown in Fig 37, 38, 39, 40, and 41 so it will
not be susceptible
to areas where
moisture could be pulled in
light
snow
or other
sources
of
e. Insert 2-in. diameter pipe into intake housing.
If use of this drain connection
NOTE: A 2=in. diameter pipe must be used within the furnace
casing. Make all pipe diameter transitions outside furnace casing.
with a 3/16-in.
robe should
f Install casing hole filler plug (factow-supplied
in loose
parts bag) in unused combustiomair pipe casing hole.
g. Drill a 1/8-in. hole in 2=ira combustiomair
in intake laousing as a guide
h. Install a field=supplied No. 6 or No
into combustion-air pipe.
be routed
AiC (if'used),
2. Attach
pipe using hole
location
as shown
b. Reposition
and clamp
tion. Tighten
NOTE: Do not attach combustion-air intake pipe permanently to
combustion=air intake housing since it may be necessary to remove
pipe for service of igniter or flame sensor.
Combustion=Air Intake Housing Plug Fitting
The combustion-air intake plug fitting must be installed in unused
combustion=air intake housing. This fitting must be attached by
2g
drill out fitting's
a field=supplied
condensate
be trapped.
vent pipe to fitmace
housing
NOTE: DO NOT OVERTIGHTEN SCREW. Breakage of intake
housing or fitting may cause air leakage to occur.
to open
and should
a Determine
g sheet metal screw
is desired,
&ill and connect
&ain
(See Fig
tap plug
3/8-in. tube.
This
for f_./mace and
36.)
as follows:
of vent
pipe
connection
to inducer
in Fig. 34 for application
elastomeric
to appropriate
clamp.
(rubber)
unused
inducer
inducer
housing
housing
outlet
cap
connec=
121,M,4
1
_._
VENT PIPE
12" MI N -_--_
l
HORIZONTAL
TO ROOF
HORIZONTAL
_
P,PE
f
PIPE
TO SIDEWALL
COMBUSTION-AIR
COMBUSTION-AIR
COMBUS_IO_N-AIR
PIPE
VENT
PIPE
12"MIN
::_'
12" MIN ,,_D
VENT PIPE
VERTICAL TO ROOF
VERTICAL TO SIDEWALL
NOTE: A 12 In. minimum offset pipe section is recommended with
short (5 to 8 ft) vent systems. This recommendation is to reduce
excessive condensate droplets from exiting the vent pipe.
A96230
Fig. 35_hort
Vent (5 to 8 ft) System
I
-->
UNIT
DAMAGE
HAZARD
Failure
to follow
this caution
may result
coupling
in unit component
elastomeric
(rubber)
both clamps
Inducer
housing
against
inducer
housing.
any condensate
leakage
c. h_stall
into
outlet
pipe
Clamp
and fully seated
must be tightened
the clamp
to prevent
e
Install
parts
support
selected
should
cap must be installed
(_i_ctory=supplied
_lmace
casing
be positioned
in loose
vent pipe hole.
at bottom
of casing
parts
Pipe
bag)
Vent
support
by
12-in.
UNIT
DAMAGE
this caution
may result
in unit component
pipe must
internal
condensate
NOTE:
casing
filler
Furnaces
This pipe
on ALL
NOT_::
See label
upflow
be installed
and fillly seated
stop, Clamp
must be tightened
against
extension
inducer
to prevent
3
any
pipe must
all pipe diameter
d. Be certain
that mating
be used
a'ansitions
within
outside
Tighten
Tighten
with
100,000
vent extension
channel
and
larger
to assist
vent
pipe is supplied,
vent pipe
and downflow
Btuh
hole.
pipe (2-in. diameter
d_is vent extension
the field
in loose
pipe casing
to [\N'nace
it
inducer
applications
on vent extension
sur_i_ces of inducer
housing
coupling,
and 2=in diameter
clean
Assemble
the
dry
robe to field installed
Working
[i'om
fi/rnace
pipe fbr proper
if an elbow
is used
installation.
to connect
vent
vent pipe.
to
outside,
cut
pipe
to
required
elastomeric
4
Deburr
inside
and outside
5
(hamfcr
outside
and cement,
6
(;lean
of pipe.
the [:urnace
[:umace
tion, elastomeric
and
the
hous-
length(s)
teakage,
A 2=in. diameter
Make
stop
housing
(fi_ctory=supplied
has a built-in
When
to connect
housing
plug
combustion-air
This pipe may be shortened
damage.
housing
be used
on the internal
the pipe to inducer
with a PV(
disposal
housing
to 15 in =lb. of torque.
hole
Pipe:
inducer
vent pipe through
HAZARD
Failure to follow
Vent
screws
onto
and _hlly into inducer
until it bottoms
casing
tong).
condensate
must
coupling
bag) in unused
Extension
clamps)
the 2=in diameter
to secure
inputs are supplied
hole.
2 loose
Insert
ing connection
damage.
-->
(with
connection
casing.
edge of pipe _br better
distribution
of primer
connec=
vent pipe are
(rubber)
vent
7. Check
29
and dU all sur_tces
to be joined
dry fit of pipe and mark
insertion
depth
on pipe.
TABLE 7--MAXIMUM
ALTITUDE
(FT}
UNIT SBZE
060-12
080-12
080-16
0 to 2000
100-16
100-20
120-20
ALTITUDE
(FT}
UNIT SIZE
(FT}
notes
at end
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
OF 90 ° ELBOWS
1
2
3
4
5
6
1-1/2
20
15
10
5
NA
NA
2
70
70
70
70
70
70
1-1/2
10
NA
NA
NA
NA
NA
20
2
55
50
35
30
30
2-1/2
70
70
70
70
70
70
2
5
NA
NA
NA
NA
NA
2-1/2
40
30
20
20
10
NA
3
70
70
70
70
70
70
2-1/2 one disk
10
NA
NA
NA
NA
NA
31
45
40
35
30
25
20
31 no disk
70
70
70
70
70
70
2 Pipe or 3-in
Concentric
2 Pipe or 3-in.
Concentric
TERMINATION
TYPE
NUMBER OF 90 ° ELBOWS
PIPE DIA
1
2
3
4
5
6
17
12
7
NA
NA
NA
2
70
67
66
61
61
61
080-12
080-16
2 Pipe or 2-in
Concentric
2
49
44
30
25
25
15
2-1/2
70
70
70
70
70
70
100-16
100-20
2 Pipe or 3-in
Concentric
2-1/2
35
26
16
16
6
NA
3
70
70
70
70
66
61
3
14
0
NA
NA
NA
NA
31 no disk
70
70
63
56
50
43
41- no disk
70
70
70
70
70
70
2 Pipe or 3-in.
Concentric
1
2
3
4
5
6
2 Pipe or 2-in
Concentric
1-1/2
16
11
6
NA
NA
NA
2
68
63
62
57
57
56
080-12
080-16
2 Pipe or 2-in
Concentric
2
46
41
28
23
22
13
2-1/2
70
70
70
70
70
70
100-16
100-20
2 Pipe or 3dn
Concentric
2-1/2
33
24
15
14
5
NA
3
70
70
70
66
61
56
2 Pipe or 3-in.
Concentric
31. no disk
65
58
51
44
38
31
41. no disk
70
70
70
70
70
70
UNIT SIZE
TERMINATION
TYPE
NUMBER OF 90 ° ELBOWS
PIPE DIA
(IN.)*
120-20
See
ON.)*
1-1/2
060-12
3001 to 4000
NUMBER
PIPE OmA
(IN.)*
120-20
ALTITUDE
TERMINATION
TYPE
PiPE LENGTH {FT)
2 Pipe or 2-in
Concentric
060-12
2001 to 3000
ALLOWABLE
of table
NOTE: It is recommended that all pipes be c_lt, prepare& and
preassembled be:_bre pem'tamer,tly cementing ar*y.joint.
Combustion-air
factory
and vent pipes
accessory
termination
kit must
outside
A
structure
in 1 of the
be installed
installations
shown in Fig. 37, 38, 39, 40, and 41. Four tem_ination
kits are available.
8, After pipes have been cut and preassembled_ apply generous
layer of cement primer to pipe fitting socket and end of pipe
to insertion mark. Quickly apply approved cement to end of
pipe and fitdng socket (over primer) Apply cement in a light,
uniform coat on inside of socket to prevent buildnp of excess
cement Apply second coat
See Table
1. The
6 %r additional
2-in. termination
2-ira diameter
2. The
9. While cement is still wet, twist pipe into socket with 1/4 mm
Be sure pipe is fl41y inserted into fitting socket
2-pipe
3-in. termination
4-in. diameter
in., 2-in.
in%rmation.
kit is _br 1-in.,
bracket
kit is for 2ol/2
NOTE:
Shaded
to be
tem_ination.
These
when
determining
pipe
14. Lse appropriate methods to seal openings where vent and
combustion=air pipes pass through roof or side wall.
CONCENTRIC VENT AND COMBE STION=AIR
TERMINATION KIT INSTALLATION
since it is less susceptible
parts
and
in,
and
3-in.,
systems
termination
pipe
kit is fo* l-in,
systems
when
1-1/2
single
is desired.
vent/air
termination
3-in., and 4-in. diameter pipe systems
of wall or roof is desired.
13. Slope combustion-air and vent pipes downward toward fi/rnace a minimum of 174-in per linear _'twith no sags between
hangers
1ol/2 in.,
systems
in. diameter
of wall or roof
4. The 3-in. concentric
12. Support combustion-air and vent piping a minimnm of eve W
5 ft (3 k for SDR-21 or -26 PVC) using perfbrated metal
hanging strap
bracket
termination
vent/air
and 2-!/2
penetration
11. Handle pipe joints careflflly until cement sets
ternxination
2=pipe termination
3. The 2-in. concentric
10. Wipe excess cement fi'om.joint. A continuous bead of cement
will be visible around perimeter of a properly made joint.
NOTE: If" these instructions dif_:kr from those packaged
tern_ination kit, follow kit instructions
must terminate
kit is for 2ol/2
when single
in.,
penetration
in Fig. 37, 38, 39, 40, and 41 are considered
components
diameter.
should
Roof
to damage,
NOT
temaination
has reduced
be counted
is prefmTed
chances
to take
in contaminants,
and has tess visible vent vapors. (See Fig 37 or
38.) Sidewall
termination
may require sealing or shielding
of
with
30
building
surfi_ces
con'osive
combustion
with
a CmTOSiVe resistance
products
of vent system.
material
due
to
TABLE 7--MAXINUN
ALTITUDE
(FT)
UNIT SIZE
4001 to 5000_
(FT)
(FT)
(FT)
3
4
5
6
15
10
5
NA
NA
NA
52
2
64
59
58
53
52
2
44
39
26
21
20
11
2-1/2
70
70
70
70
70
70
100-16
100-20
2 Pipe or 3dn
Concentric
2-1/2
31
22
13
12
NA
NA
3
70
70
67
62
57
52
2 Pipe or 3-in.
Concentric
3t no disk
53
46
40
33
26
20
41- no disk
70
70
70
70
70
70
TERMiNATiON
TYPE
PIPE DtA
(iN.)*
1
2
3
4
5
6
14
9
NA
NA
NA
NA
47
NUMBER OF 90 ° ELBOWS
060-12
2 Pipe or 2-in
Concentric
1-1/2
2
60
55
54
49
48
080-12
080-16
2 Pipe or 2-in
Concentric
2
41
36
23
18
17
8
2-1/2
70
70
70
70
70
70
100-16
100-20
2 Pipe or 3-in
Concentric
2-1/2
29
21
12
11
NA
NA
3
70
67
62
57
52
47
2 Pipe or 3-in.
Concentric
31- no disk
42
35
29
22
15
9
41- no disk
70
70
70
70
70
70
TERMiNATiON
TYPE
PIPE DtA
(IN.)*
1
2
3
4
5
6
13
8
NA
NA
NA
NA
43
NUMBER OF 90 ° ELBOWS
060-12
2 Pipe or 2-in
Concentric
1-1/2
2
57
52
50
45
44
080-12
080-16
2 Pipe or 2-in
Concentric
2
38
33
21
16
15
6
2-1/2
70
70
68
67
66
64
100-16
100-20
2 Pipe or 3-in
Concentric
2-1/2
27
19
10
9
NA
NA
3
68
63
58
53
48
43
2 Pipe or 3-in.
Concentric
31- no disk
31
24
18
11
NA
NA
41- no disk
70
70
70
70
67
62
TERMINATION
TYPE
PIPE DtA
UNIT SiZE
7001 to 8000_
2
2 Pipe or 2-in
Concentric
120-20
ALTITUDE
1
080-12
080-16
UNIT SiZE
6001 to 7000_
OF 90 ° ELBOWS
{IN.}*
2 Pipe or 2-in
Concentric
120-20
ALTITUDE
NUMBER
PIPE DmA
060-12
UNIT SiZE
5001 to GO00_
TERMINATION
TYPE
PIPE LENGTH (FT) (Continued}
1-1/2
120-20
ALTITUDE
ALLOWABLE
NUMBER OF 90 ° ELBOWS
(IN.)*
1-1/2
1
2
3
4
5
6
12
7
NA
NA
NA
NA
2
53
48
46
41
40
38
2
36
31
19
14
12
NA
060-12
2 Pipe or 2-in
Concentric
080-12
080-16
2 Pipe or 2-in
Concentric
2-1/2
66
65
63
62
60
59
100-16
100-20
2 Pipe or 3-in
Concentric
2-1/2
25
17
8
7
NA
NA
3
63
58
53
48
43
38
2 Pipe or 3-in.
Concentric
31- no disk
20
13
7
NA
NA
NA
41- no disk
61
56
51
46
41
36
120-20
See notes at end of table
Extended Exposed Sidewall Pipes
b
thickness
affected
allow
be positioned
plants/shrubs
kit should
by wind eddy
recirculation
where
vent vapors
or air conditioning
equip-
be positioned
so that it will not be
(such as inside
building
of flue gases,
airborne
corners)
leaves,
or
or light
snow
d
tbr exposed pipe
Terns!nation
kit should
damaged by or subjected
balls, ere,
NOTE: Pipe length(k) specified [br maximum pipe lengths to=
cared in unconditioned spaces Pipes located in unconditioned
space cannot exceed total allowable pipe length as specified in
Table 7,
Two=Pipe Termination
kit should
c, Termination
2, Lsing winter design temperature (used in load ca!culations),
find appropriate temperature [br your application and [:m'nace
model
insulation
Termination
wil! not damage
ment,
1, Detem_ine combustion-air and vent pipe diameters, as stated
above, using torn! pipe tength and number of elbows,
3, Detem_ine required
lengths
as stated in Table
a. Comply with all clearance requirements
6
Sidewall combustion-air and vent pipe terns!nations may be
extended beyond area shown in Fig. 40 or 41 in outside ambient by
insulating pipes as indicated in Table g,
e
Terns!nation
kit should
be positioned
to foreign
where
objects,
be positioned
it will not be
suck* as stones,
where vent vapors
are
not objectionable,
2
Kit
Cut 2 holes,
being
1, Detem_ine location for termination. Consider the /bllowing
when determining an appropriate location for termination kit,
3
Loosely
insta!l
combustion=air
31
1 for each pipe, of appropriate
size for pipe size
used
elbow
pipe
in bracket
and
place
assembly
on
TABLE 7--MAXIMUM
ALTITUDE
TERMINATION
TYPE
UNiT SBZE
(FT}
800t to 9000@
dN.)*
1
2
3
4
5
6
11
6
NA
NA
NA
NA
2 Pipe or 2-in
Concentric
2
49
44
42
37
35
34
080-12
080-16
2 Pipe or 2-in
Concentric
2
33
28
17
12
10
NA
2-1/2
62
60
58
56
55
53
2 Pipe or 3-in
Concentric
2-1/2
23
15
7
5
NA
NA
3
59
54
49
44
39
34
2 Pipe or 3-in.
Concentric
3t no disk
10
NA
NA
NA
NA
NA
4t no disk
35
30
25
20
15
10
TERMINATION
TYPE
UNIT SIZE
9001 to 10,000_
NUMBER OF 90 ° ELBOWS
PIPE DmA
060-12
100-16
100-20
(FT)
PIPE LENGTH {FT) (Continued)
1-1/2
120-20
ALTITUDE
ALLOWABLE
060-12
2 Pipe or 2-in
Concentric
080-12
080-16
2 Pipe or 2-in
Concentric
100-16
100-20
2 Pipe or 3-in
Concentric
120-20
2 Pipe or 3-in.
Concentric
NUMBER OF 90 ° ELBOWS
PIPE DtA
(IN.)*
1
2
3
4
5
6
2
45
40
38
33
31
29
2
30
25
14
9
7
NA
2-1/2
57
55
53
51
49
47
2-1/2
21
13
5
NA
NA
NA
3
54
49
44
30
34
29
41- no disk
10
5
NA
NA
NA
NA
* Disk usage-Unless otherwise specified, use perforated disk assembly (factory-supplied
in loose parts bag) If one disk is stated, separate 2 halves of perforated disk
assembly and use shouldered disk half When using shouldered disk half, install screen side toward inlet box.
1 Wide radius elbow
$ Vent sizing for Canadian installations over 4500 fl (1370 m) above sea level are subject to acceptance by the local authorities having jurisdiction.
NA-Not AHowed; pressure switch will not make.
NOTES:
1 Do not use pipe size greater than those specified in tab{e or incomplete combustion, flame disturbance, or flame sense _ockout may occur
2 Size both the combustion-air and vent pipe independently, determine the smallest diameter allowed by the chart for each pipe, then use the larger of these two
diameters for both pipes
3 Assume two 45 ° elbows equal one 90 ° elbow Long radius elbows are desirable and may be required in some cases
4 Elbows and pipe sections within the furnace casing and at the vent termination should not be included in vent length or elbow count.
5 The minimum pipe length is 5 ft for all applications
6 Use the 3-in. diameter vent termination kit for installafions requiring 4-in diameter pipe
i_k_
3/8"
ID TUBE
OMBUSTION
TAKE
"-'-
(oncentlic
- AIR
HOUSING
1. Detet_nine
BURNER
a
\
oRtL
Tem_ination
location
Comply
6
kit should
will not damage
ment.
c. Teilnination
kit should
or light
damaged
Fig. 36--Air
Intake Housing
Plug Fitting
Drain
balls,
install
cut vent pipe Coupling
mount as shown in Fig
must
37.
be positioned
For applications
using
by dashed
in Fig. 37, install
lines
making
Sidewall
41.
pipe coupling
combustion-air
U-fitfing.
so bracket
pipe
option,
90 c>street
A 180 ° [?-fitting
terminations-Install
bracket
on properly
using
lines in Fig. 40, rotate
vent pipe option
will
kit should
into
3. Loosely
90 c>
in Fig. 40 or
vent elbow 90 _>fi'om position
procedures
5. (beck
loose pipe fittings.
as used
required
for system
dimensions
Clean
and cement
using
not
be
comers)
or
airborne
leaves,
be positioned
where
it will not be
to foreign ok{iects, such as stones,
where vent vapors
are
hole fbr 2qn. kit, or one 5-in. diameter
by dashed
inside
shown in
using same
in Fig. 37, 40, or 41.
Do not allow
insulation
termination
terminations-Locate
priate
height
as shown
assembly
in Fig
Sidewall
terminations-Locate
with rain
shield
positioned
39,
or other materials
when installing
Roof
in Fig
vent/air
components
in kit.
kit with rain shield REMOVED
of pipe assembly
shown
32
concentric
instructions
4. Slide assembled
piping.
as shown
so it will
building
of flue gases,
kit should be positioned
assemble
together
Fig. 40.
4. Disassemble
be positioned
equip-
etc.
2. Cut one 4qn. diameter
hole fbr 3qn. kit.
may be used.
indicated
vapors
not objectionable.
NOTE:
For applications
vent
indicated
elbow
as shown
where
or air conditioning
ed@ (snch as inside
by or subjected
e. Tem?ination
terminations-Loosely
as stated in Table
snow.
d. Tem?ination
A93035
elbow,
be positioned
of the
an appropriate
requirements
that may allow recirculation
OPEN
DRAIN
(onsideration
determining
plants/shrubs
aJTected by wind
Roof
tem_ination.
with all clearance
b. Termination
TRAP!_
TO
%r
Kit
fbllowing
should be made when
location fbr termination
kit.
BOX
3/16
Vent/Air
it through
through
through
hole.
to accumulate
hole,
roof
to appro-
through
sidewall
38,
assembly
no more
than
1-in, from
wall as
AIR AND VENT
8 3/4" FOR 3"KIT
6 3/4" FOR 2" KIT
MAINTAIN 12 IN.
CLEARANCE ABOVE HIGHEST
ANTICIPATED
SNOW LEVEL.
MAXIMUM OF 24 IN. ABOVE ROOF.
A87224
Fig. 37--Roof
Fig. 38--Concentric Vent and Combustion-Air
Termination (Preferred}
Termination
(Preferred}
12 IN.
CLEARANCE
ABOVE HIGHEST
ANTICIPATED
SNOW
LEVEL OR GRADE,
WHICHEVER
IS
GREATER.
Roof
A93055
Fig. 39--Concentric
5. Disassemble
loose pipe fitnngs.
procedures
as used
_br system
Clean and cement
using same
required
dimensions
MULTIVENTING
When 2 or more 58MTA
shown
near each other, each
vented. NEVER
When 2 or more
common
58MTA
UNIT
vent or
furnaces
may be installed
that
36
vent
in
from
terminations
recirculation
of flue gases.
47 represents
distance
2-in. n_axinmm
away
Dimension
between
be
first
made
2 terminations.
as
shown
Drain
as
OPERATE
Unit must not be installed,
left in an unoccupied
It is
temperature
to avoid
as touching
NOT
to _bllow this caution
may result
in intermittent
unit
operation.
&ain
A in Fig. 43, 44, 45, 46, and
pipes or rain shields,
MAY
Failure
43, 44, 45, 46, or 47, but the next vent termination
l"n_ast be at least
10--Condensate
38 or 39.
TERMINATIONS
near each other, 2 vent terminations
in Fig
important
in Fig
i'L_maces are vented
furnace must be individually
breach vent 58MTA _hrnaces
are vented
as shown
AND VENT
Side
piping.
Step
6. Check
Vent and Combustion-Air
Termination
&ops
or
and then turned
during
to 32°F and below
line have adequate
Maintenance
operated,
structure
Instl_actions
unless
_?eeze protection.
_:br winterizing
off and
cold weather
drain
trap
See Service
procedure.
when
and
and
(See Fig.
42)
separation.
GENERAL
Condensate
trap is shipped
connected
_br UPFLOW
RELO(ATED
for use
installed
in the blower
shelf and titctoI 7
applications.
(ondensate
trap must be
in DOVv%'FLOW
and HORIZONTAL
applications.
Condensate
33
trap MUST
be used
for all applications.
Furnace
condensate
is mildly
32 to 45. Due to corrosive
pH neutralizing
acidic,
nature
typically
filter may be desired.
to determine
if a pH neutralizer
in the pH range
of this condensatQ
Check
of
a condensate
with local authorities
is required
APPLICATION
The
_lmace,
drained
A/C,
supplied
trap
connections
IN. SEPARATION
BOTTOM OF
:'COMBUSTION
AIR AND
OF VENT
The
AiC
prior
to the
(t:umace,
Ai(,
drains
&ain
may be combined
must
fi/rnace
have
&ain
an open
or vented
drain
as close
possible
to prevent
siphoning
and
an external,
connection.
or humidifier)
field=
All
&ain
must be temlinated
into
to the respective
equipment
of the equipment's
See Fig. 48 _br example of possible
1/2=in. CPVC or PVC tee _br vent
as
drain.
field drain attachment
and AiC or humidifier
using
&ain
connection.
12 IN.
CLEARANCE
ABOVE HIGHEST
ANTICIPATED
SNOW
LEVEL OR GRADE,
WHICHEVER
IS
GREATER.
COMBUSTION-AIR
and humidifier
together.
Outdoor
draining
codes.
ti'eeze
--9
A87225
of the fi/mace
(audon
should
be
is permissible
taken
&ain pipe and prohibit
PERSONAL
INJURY
when
if allowed
fi'eezing.
by local
Ambient
may
&aining.
AND
PROPERTY
DAMAGE
HAZARD
Fig. 40--Sidewall
Termination
OVERHANG
of 12 in. or More
OR ROOF
Failure
to fbllow this warning
and personal
J-f
(aution
should
conditions
jjj /
.....
_
....
j
12" MINIMUM _
be taken
damage
where
Excessive
soil conditions
slippe_
condensate
which may result
to plants.
CONDENSATE
cause
draining
injuries.
may cause saturated
in damage
Freezing
to prevent
may cause personal
draining
_/_"
could result in property
irtiury or death
DRAIN
condensate
cracks,
PROTE(TION
left in condensate
and possible
water
trap
damage
and drain
may
line may
occur.
If fi'eeze
protection
is required, use condensate
freeze protection
accessory
or equivalent
3 to 6 watt per ft at 120-v and 40°F self=regulating,
shielded,
IN. SEPARATION
BOTTOM OF
:'COMBUSTION
AIR AND
OF VENT
trap is not required
when connecting
1 wrap
using
£hcturer's
confPrm
to ASTM
PVC drain pipe,
When
D2564
In Canada,
fittings_
a condensate
approved
trap or drain robe coupling)
PVC,
or 5/g-in.
ID tube
select
Primer must cont'om_
or UL(
listed
schedule
is required,
furnace
MAY
a pump
with
select
an overflow
a pump
To avoid
trap
to ASTM
NOT
Furnace
control
control
will
Step
or
which
Wire
sides.
ties can be
(See Fig. 49.)
heat tape, approximately
heat tape, _bllow heat
for all other installation
ADJUSTMENT
to follow
tape manu=
guidelines.
AND SAFETY CHECK
OPERATE
this caution
may result
in intem_ittent
unit
must
lock
be grounded
out.
(ontrol
connected
for proper
is
operation,
grounded
to gas valve
or
throngh
C=terminal
and
l--General
The _hrnace
applications.
field=supplied
green@ellow
wire
burner box screw
and
must
40 CPVC
tape in place.
(See
operation.
and cement.
pump
fbr condensing
sate spillage,
or F493
use CSA
heat
of condensate
insm/ctions
START-UP
Failure
F656.
in notches
trap back.
per ft.
5. When
UNIT
Instructions
recommenda-
on itself 3 times.
4. Wrap field drain pipe with remaining
the field drain to
Drain pipe and fittings must confPm_ to ANSI standards
ASTM
D1785, D2466 or D2846
CPVC or PVC cement
See Installation
sides of condensate
ties to secure
positioned
trap
The field drain connection (condensate
is sized for ti2-in.
(PVC,
1/2-in.
connection.
tape.
tape in half and wrap
3. Use wire
Fig. 41--Raised Sidewall Termination when
Walt Penetration is Less than 12 in. Above
Snow or Grade
this condensate
heat
or heat tape manufhcmrer's
2. Locate heat tape between
Fig. 49.)
CLEARANCE
ABOVE HIGHEST
ANTICIPATED
SNOW
LEVEL OR GRADE,
WHICHEVER
IS
GREATER.
A87226
An external
with accessory
1. Fold heat
!2 IN.
/ COMBUSTION-AIR
(ELBOW PARALLEL
TO WALL)
and waterproof
supplied
tions
must have a 115-v power
supply
properly
connected
and grounded.
is
NOTE:
conden-
polarity
switch.
Proper
and the Nmace
34
polarity
is incorrect,
must
control
be maintained
status indicator
will not operate.
for ll5-v
wiring.
light will flash rapidly
If
TABLE 8--MAXIMUM
ALLOWABLE EXPOSED VENT P{PE LENGTH (FT) WITH AND W_THOUT {NSULAT{ON IN
WINTER DESIGN TEMPERATURE AMBIENT*
WINTER DESBGN
TEMPERATURE
(OF)
20
UNiT
SIZE
060
080
100
120
MAX PiPE
DIAMETER
(IN.)
2
WITHOUT
W_TH 318=iN. OR
INSULATION
44
THICKER
INSULATIONt
70
0
2
21
70
-20
2
20
57
20
2
55
55
0
2
30
55
-20
2
16
55
20
2.5
58
70
0
2.5
29
70
-20
2.5
14
67
20
2.5
40
40
0
2.5
38
40
-20
2.5
21
40
20
3
63
70
0
3
30
70
-20
3
12
70
20
3
70
70
0
3
38
70
-20
3
19
70
20
4
65
70
0
4
26
70
-20
4
5
* Pipe length (fl) specified for maximum pipe lengths located in unconditioned
as specified in Table 7.
? Insulation thickness based on R value of 35 per in.
65
spaces. Pipes located in unconditioned
space cannot exceed total allowable
pipe length
length of previous heating on and off cycles, when to operate in
tow- and high° gas heat _br optimum com£_rt Setup switch=l
(SW-1) must be in the fi_ctou=shipped OFF position See Fig. 3!
and Table 9A and B for setup switch information,
Table 9A--Furnace
SETUP
SWITCH
NO.
SWITCH
NAME
\t /
DESCRIPTION
OF
USE
NORMAL
POSITION
Adaptive
Heat
SWol
Setup SwRch Description
When off, aflows 2-stage operation with a
single-stage thermostat.
Turn on when using 2-stage
thermostat to allow Low Heat
operation when R to W/W1 closes
and High Heat operation when
R to W/W1 and W2 close.
OFF
Mode
32°F
//\
Blower
OFF
delay
SWo2
,
Blower
OFF
SWo3
Natural
gas service
42--Freeze
pressure
and be no less than 016
Them_ostat
required
2-stage
cooling,
wire
psig
_br gas heating
heating
heat pumps,
made at the 24-_
This Nmace
a 2-stage
operation.
and some
terminal
BLOWER-OFF
MODE
SETUP SWITCH
DELAY (SEC}
SW-2
SW-3
OFF
be connected
for
and G are required
for
90
OFF
must be
120
OFF
ON
150
ON
OFF
180
ON
ON
on the control.
These
(See Fig. 320
a single=stage
heating
or
them_ostat.
thermostats,
£urnace
tem_inal
single-stage
W2 must
with either
DESIRED HEATING
are the minimum
clock thermostats.
block
For single=stage
control
Control blower OFF
delay time Used in
conjunction with SW-2
See Table 9B.
Table 9B--Blower
Off Delay Setup Switch (SW)
2-Stage Units with PSC Blower Motors
wc),
_c),
CoM, Y¥2,
can be installed
heating
(4,5-in,
05 psig (14=in
at R and W/W1
thermostats.
ON or OFF
Protect{on
must not exceed
connections
Control blower OFF
dMay time Used in
conjunction with SW-3
See Table 9B.
delay
A93058
F{g.
ON or OFF
them_ostats,
connect
block.
the
(See
control
thermostat
Fig.
wilt
27
W to WW1
and
determine,
52H.)
based
If a 2-stage
at
For
position
on
control
35
heating
at end
process
thermostat
of furnace
_br selecting
is to be used,
installation.
high
This
move
SW-1
o\errides
and tox_ fire
to ON
built=in
and allows
the
A96128
Fig. 43--Rooftop
Termination
(Dimension
"A" is Touching
or 2-in. Maximum
COMBUSTION
AIR
Separation)
AIR
COMBUSTION
/
A93056
Fig. 44--Concentric
Vent and Combustion-Air
Roof
Termination (Dimension "A" is Touching or 2-in.
Maximum Separation)
A96129
Fig. 46--Raised
SidewNl Termination when Walt
Penetration is 12 in. or Less
Above Snow or Grade
(Dimension "A" is Touching or 2-in. Maximum
Separation}
VENT
A93057
Fig. 45--Concentric
Vent and Combustion-Air
Side
Termination (Dimension "A" is Touching or 2-in.
Maximum Separation}
A96130
2-stage thermostat to select gas heating modes _he W2 f_'om
thermostat
must be connected
to W2 on control tem_inal block
Fig. 47--Sidewall
Termination
(Dimension "A" is Touching
Separation)
(See Fig. 28 and 52AoG.)
BeJ:bre operating
fi_mace,
switch fbr continuity.
switch.
complete
The
blower
check
If necessary,
compartment
the 115-v circuit
each flame
rollout
press and release
door
must
be
manual
button
reset
to reset
in place
to
to the ft_rnace.
36
of More than 12 in.
or 2qn Maximum
/
\
OPEN STAND --7
PIPE FOR /
A/COR/
HUMIDIFIER ,L
DRAIN
TEE
U h_
A94054
Fig. 48--ExamNe
of Field Drain Attachment
A99118
Fig. 50--Inducer
Housing
Drain Cap
CONDENSATE
FIRE
HAZARD
Failure
to fbllow
operation
this caution
or perfbm_ance
This flmaace
the burner
"_
is equipped
with a manual
if a flame
occurs
in the burner
switch.
Correct
Step
(3 WRAPS
2--Prime
rollout
enclosure
inadequate
nent fhilure, or restricted
the switch.
HEAT
in intem_ittent
unit
reset limit
switch
in
box area. The switch will open and shut off power
to the gas valve
WIRE TIE(S)_
may result
satisfaction
or overheating
area.
combustion-air
Trap
bypass
supply,
flue gas passageway
Condensate
condition
DO NOT
With
the
compo=
betbre resetting
Water
TAPE_
MINIMUM)_
INIT
MAY
Failure
operation
A93036
Trap Heat Tape
OPERATE
this caution
or perfbm_ance
( ondensate
Fig. 49--Condensate
NOT
to fbllow
trap must be PRIMED
occur
The condensate
ONLY
be primed
of condensate
1
may result
Remove
in intermittent
unit
satisfaction
or proper
trap has internal
by pouring
draining
chambers
may not
which
water into the inducer
can
drain side
trap.
upper
inducer
housing
&ain
1/2-in.
ID
connection
cap.
(See
Fig. 50)
2
(onnect
field=supplied
housing
drain
3. Insert
field=supplied
4
1 quart
Pour
through
into open field
t'unnet
housing,
a--Purge
and
Gas
After all connections
check for leaks.
37
to
upper
inducer
into tube,
into
t\mnetimbe.
overfill
Water
condensate
should
tIap,
run
and flow
drain. (See Fig. 51.)
drain connection
Step
fhnnel
of water
inducer
5. Remove
robe
connection.
robe fiom
inducer
housing
and replace
cap and clamp.
Lines
have been
made,
purge
the gas lines
and
NOTE:
Low-heat=only
switch,
SW-I,
selects
either
the tow=heat-
only operation
mode when ON, or adaptive heating
OFF, in response
to a call _br heat (See Fig. 32.)
This furnace
can operate
thermostat
because
adaptive
sequence
history
of the length
t'mnace
will
start up in either
tow-gas
heat on time
0 to ld minutes)
(fi'om
is interrupted,
the stored
the control
minutes
and then switch
to "call
starts
Period=
the tow-heat
pressure
control
begins
CPU
pressure
control
IDM
motor
high=heat
pressure
The
and
are open,
and
CPU selects
IDM comes
LPS
closes,
re-closes
up to speed,
and the
prepurge
prepurge
IDM
inducer
closes.
motor
a 15=second
If the furnace
on
the tow=heat
If the [_umace control
switch
motor
circuit
verifies
LPS and HPS
switch
a 15=second
the inducer
is based
in high speed.
the inducer
will begin
Trap
contacts
IDM
this
as the thermostat
selection
[br heat", R=WiWI
switch
When
low=heat for up to 16
as long
a self check,
operation
low-heat
the
times.
Prepurge
low-heat
Condensate
"calls
motor
1. Inducer
If d-_e
is permitted
is erased.
Subsequent
cycle
perfbm_s
pressure
inducer
which
select
to high-heat,
_br heat."
of thermostat
control
high-heat
heat.
CPU determines
history
CPU will initially
When wall thermostat
furnace
the
to high-heat.
happens,
history
low-gasupon
on/off periods
tow= or high=gas
heat, the control
stored
selects
is based
gas heating
starts up iu low=gas
continues
a programmed
which
selection
of previous
a single=stage
includes
furnace
If power
Fig. 51--FNing
This
with
when
thermostat.
be_bre switching
A99119
CPU
operation,
operation
of the single-stage
The
control
of controlled
heat or high-gas-heat
stored
as a 2=stage furnace
_hmace
mode
period.
the t\trnace
period,
furnace
A_ler
control
the
CPU
and continue
to run
at high=speed.
CPU
selects
remains
switch
high=heat
operatiom
the
running
at high-speed,
and the
relay HPSR
is de=energized
to close
the N(
contact
When sufficient
pressure
is available
laigl>heat pressure switch HPS closes, and the high-heat
FIRE
AND EXPLOSION
Failure
personal
Never
for
HAZARD
to t'ollow this warning
valve solenoid
could result in a fire, exptosiou,
injury_ or death
purge
gas
a gas line into a combustion
leaks
with
an
open
flame.
chamber.
Use
Never
test
and
Safety
a commercially
(beck"
sections
switch
If the high-heat
4--Sequence
l_sing
schematic
operation
very
through
the different
If power
or W/W1
blower
during
intetxuption
and W2), the contloi
off detay period
still calling
Read
the
sequence
and _bllow
for gas heating
this period,
respond
blower
through
door
blower
must
TRAN,
hot surface
igniter
diagram
A_er
motor
the gas valve
the Hot
Igniter
Surface
HSI.
Five
period
the
will
12
2=second
as
motor
flame
proving
4. Flame-Proving-When
will
to be conducted
blower
the
the
sensor
switches
to tow=speed
BLWM,
flame
GV.
period
electrode
contlol
continues
(PU
to hold
is not proved
begins.
begins
ignition
before
sequence
going
automatically
(See Fig. 27 for them_ostat connectious)
115 vac power
38
after
sensed
is proved
the
running
the
or
gas
by
GVR
will
until
the
two seconds,
hours,
motor
at high-speed,
GV-M
for up to three
at the flame-
inducer
the blower-ON
to Ignition-Lockout.
a_:_er three
The
The HSI igniter
is
flame
the gas valve
within
opens.
begins.
FSE,
unless
pe-
GVR close
where it is ignited
close the gas valve GV=M, and the control
TWO-STAGE HEATING WITH SINGLE-STAGE
THERMOSTAT (ADAPTIVE MODE)
the
igniter
warm-up
contacts
seconds
flame
burner
proving
fi/mace
CPU,
period,
a 17-sec
GV, the gas valve
gas flow to the burners
until
control
HPS fails
of 2 minutes
the igniter
valve GV permits
flame
for power
IDM,
Sequence-When
energized
code
fbr
the main gas valve relay
a 2=second
the _hruace
switch
prepurge
is energized
remain
ILK to furnace
HSL and gas valve
HSI
closes,
this perio&
switch
end of the inducer
Igniter
is
flash
CPU
pressure
period.
to energize
for the selected
the LED will be ON continuous
be installed
inducer
Warm-Up-At
Surface
riod is completed
normally
door interlock
trans_:bm_er
LED
pressure
closes for a maximum
if the thermostat
is restored,
The amber
a_ler which
to the thermostat
will run the blower
switch
3. Trial-For-Ignition
of
occurs dtlring "call t'or heat" (WiW 1
a_ler power
long as no _Sults are detected.
The
modes.
%llow
care_hlly
NOTE:
pressure
warm-up
31,
control
after the low-heat
of
2. Igniter
in Fig.
The thruace
period
after ignition.
of Operation
diagram
LPS closes.
high=heat
Hot
Step
is energized.
prepurge
to close and the tow=heat pressure
switch LPS closes,
thrnace
will operate
at tow-heat
gas flow rate until
available soap solution made specifically
for d_e detection of
leaks to check al! connections,
as specified in "Gas Piping"
and "Start=up Adjustment,
these iusm/ctions.
GV-HI
begins a 15-second
the
gas
more
delay
open.
IDM
and the
period
and
If the burner
the control
CPU will
CPU will repeat the
Trials=For-Ignition
Lockout
by momentarily
to the [:umace, or by inten'upting
will
be
reset
interropting
24 vac power
atSEC1
orSE(2tothefurnace
control
(PU(notatW/W1,
G,
2. Switching
R, etc.).
If flame
is prm'ed
fhrnace
contlol
operate
the indncer
longer
when
(PU
BLWM
not
nmde
Delayqfbumer
HEAT
flanm is proven
the blower
66 sec after gas valve GV=M
blower
motor
BLWM
is energized
IDM
motor
BLWM
Simultaneously,
energized
is energized
the electronic
and remains
BLWM
is energized.
(7. Switching
From
CPU switches
CPU will
energized
will
Low-
To High-
the inducer
high=heat
Heat-
speed
COOLING
is
motor
If the fhmace
contlol
the furnace
control
to high-heat,
motor
pressure
energized
to close the NC contact.
available
the high-heat
high=heat
gas valve
pressure
solenoid
IDM
switch
speed
relay
When
sufficient
switch
GV-HI
HPS
is
closes,
is energized.
five seconds
"calls
The
thermostat
circuit
is
starts
not
switch
R=to=W
used.
ti'om high=heat
circuit
closes
delay-
circuit
stopping
humidifier
When
is opened,
gas flow
terminal
remain
energized
selection
WITH
R-to=W1
circuits
TWO-STAGE
the low-heat
circuit.
always
Closing
causes
includes
control
furnace
performs
the inducer
nmtor
contacts
IDM
to
the R to Wl circuit
for
circuits
fbr high=heat.
The
verifies
the low-heat
and
are open,
1 above
apply
switching
fi'om low- to high=heat
heating
nmde
described
as well,
in item
except
for
switch
low to high.
The
de=energized
to close
sure is available
the high=heat
the inducer
high-heat
the N(
the high=heat
gas valve
motor
pressure
contact.
pressure
solenoid
IDM
speed
switch
relay
When
suftlcient
switch HPS closes,
GV-HI
is energized.
blower nmtor BLWM will switch to HI HEAT
seconds after the R to W2 circuit closes.
speed
an
the
connections.)
cooling
the fhmace
cooling
relay
sequence
of contlolled
period
of the single-stage
disable
jumper
nmde
in place
A(RDJ
the Nmace
unit to high-cooling.
tow-
control
CPU
(PU
to energize
can start up the cooling
or high-cooling.
If starting
the [_trnace
conkol
time
0 to 20 minutes)
(fi'om
ACR
determines
to a
control
relay
the outdoor
must
in response
tem_inal
and switch
a
CPU
or high-cooling
opthe stored history of
cooling
(See Fig. 32.) When
unit with
control
the
unit
the low-cooling
which
in
up in low-cooling,
is permitted
onbefbre
to high-cooling.
is interrupted,
the Nrnace
control
20 minutes
and then
to energize
CPU
the stored history
will select
energize
cycle
relay
and switch the outdoor
as tong as the themmstat
of the thermostat
and
fbr up to
the air conditioning
the Y/Y2 temlinal
Subsequent
is erased
tow-cooling
selection
continues
is based
to
on stored
times.
The wall themmstat
"calls fbr cooling", closing the R to
G-and-Y circuits. The R to Y1 circuit starts the outdoor unit
on low-cooling
the furnace
fi'om
HPSR
lbr
can tm_a on the air conditioning
histo_
and vice versa.
speed
Thermostat
adaptive
the adaptive
call for cooling.
From Low- To High- Heat-If t!_e thermostat R to
is closed and the R to W2 circuit closes, the furnace
CPU will
to enable
unit to high-cooling,
and delays
are
nmtor
to reduce
Y/Y2
A(R
in high-speed.
circuits
(See Fig. 32.)
because
of previous
If the power
and
with
blower
(OOL
a two-speed
a programmed
switching
LPS and HPS
f:unctions
2=stage
of
speed.
CPU
either
R=to=Wl=
regardless
R-to-Y
circuits
is energized
to DHUM
and Single-Stage
can operate
The furnace
switch.
a selftcheck,
switch
The start=up and shutdown
1. S_itehing
WI circuit
thermostat
on
Y/Y2
to 5 seconds.
The air conditioning
be connected
the
The
on COOL
EAC-1
operating
Jumper
themmstat
the length
themmstat
be ON to
to closing
operation,
"calls for heat", closing
pressure
must
BLWM
terminal
operation,
which selects low=cooling
eration. This selection is based upon
THERMOSTAT
switch
the
high=heat
or closing the R to W1 and-W2
control
The
will
connections).
only
connec-
Mode)
single-stage
blower-OFF
mode in response
circuits.
unit will stop, and Nrnace
Cooling
call for cooling.
fbr thernmstat
of the low-heat=only
high-heat
offtdelay
This fhmace
(depending
The
will
opens.
or E for themmstat
(See Fig. 27 and 52A=H for themmstat
MODE)
only operation
The wall themmstat
furnace
switches).
fbr a 120-second
HEATING
In this nmde,
tow-heat
delay
pressure
GV-M
nmtor BLWM is operating.
is satisfied, the R-to-G-and-Y
sec.
the
will
NOTE:
HEATING
select the tow=heat
the setting
period.
EA(-I
motor
and R-to-G-and-YiY2
motor
continue
90
(Adaptive
GV-M,
de-energizing
nmtor IDM
fbr 90, 120, 150, or 180 seconds
(See Fig. 28 and 52A-G
and=W2
cooling
is
the R to
gas valve
a 15=second post-purge
and air cleaner terminal
is factor-set
(NON-ADAPTIVE
themmstat
themmstat
will
additional
unit,
air cleaner
The outdoor
BLWM
will
the themmstat
is satisfied,
the
bmlaers,
and
The inducer
at blower-OFF
CPU
TWO-STAGE
NOTE:
the thernmstat
to the
HUM.
energized
for
motor BLWM
control
delay.
while
a single=stage
de-energizing
remain
blower
on
when
(,
R-to-G-and-Y
blower
The electronic
2. Two-Speed
8. Blower-Off
W
to tow-heat
is closed
(PU
high-heat
solenoid
after the R to W2 circuit
the outdoor
start the furnace
and the
The blower
control
the
the inducer
tions.)
opened.
To Low- Heat-The
HPSR
fbr cooling"
high=heat.
High-
the
gas valve
relay
de-energize
Cooling
nmtor BLWM will switch to HI HEAT speed five seconds
after the furnace
control (PU
switches
ti'om tow-heat
to
From
The
and
When
sufficiently,
open.
115-v when blower
When the themmstat
7. Switching
GV-HI.
(See Fig. 27 or 28 and 52A,
de=
pressure
solenoid
switch
contact
MODE
The themmstat
fi'om tow to
HPSR
pressure
the N(
pressnre
HPS
HEAT
EAC-I
as long as the blower
R to
remain energized
as long as the low-heat pressure switch LPS
remains closed. The blower nmtor BLWM will switch to LO
at LO
speed.
terminal
gas valve
1. Single-Speed
[_'om tow=heat
switch
The
at HI HEAT
air cleaner
to open
reduces
switch
speed.
Hi-heat=The
If the thermostat
fi'om high to low. The high-heat
is opened.
is energized
To Low- Heat-
the
motor IDM on high speed until flame is no
is energized
High-
and
be present,
high-heat
Low-heat=The
starts
should
prm'ed.
5. Blower-On
high.
flame
will lock out of Gas=Heating
From
W2 circuit opens, and the R to Wl circuit remains closed, the
fhmace control (PU will switch the inducer nmtor IDM speed
speed
is
presand
The
five
39
spee&
blower
and the R to G-and-Y1
motor
as LO HEAT).
BLWM
at low-cool
circuits
starts
speed
(same
THERMIDISTAT
TWO-STAGE
FURNACE
NOTE
HEAT
STAGE
SINGLE-SPEED
AIR CONDITIONER
THERMIDISTAT
TWO-STAGE
FURNACE
SINGLE-SPEED
HEAT PUMP
11
2
RVSCOOLING_
N/A
NOTE11
HEATSTAGE3
(FURNACEHi)_
HEAT
STAGE
1
COOL
STAGE
1
HEAT
STAGE
2 [_
(FURNACE LO)
HEAT/COOL
STAGE
(COMPRESSOR)
FAN [_
24 VAC HOT [_
DEHUMIDIFY
[_
24 VAC COMM
[_
[Z2_
1
FAN
[_
HOT
[_
/ .........
24 VAC
DEHUMIDIFY
24 VAC
COMM
[_
[_ HUM
[_ HUM
HUMIDIFIER
HUMIDIFY
[_
(24 VAC)
HUMIDIFY
N/A
..../ 4VAC/
I
_[
HUMIDIFIER
......
N/A [_
OUTDOOR
_/_c
coS_S°,%_
[2_
[
OUTDOOR
SENSOR
_,,
OONNEDT'ON
_[2_
See notes 2, 5, 7, 10, and 11
See notes 1, 2, 4, 6, 7, 9,10,11,
and 15
A00277
A00275
Fig. 82A--Two-Stage
Furnace with Single-Speed
Conditioner
THERMIDISTAT
TWO-STAGE
FURNACE
Fig. 52C--Two-Stage
Furnace with Single-Speed
Pump (Dual Fue{)
Air
TWO-SPEED
AIR CONDITIONER
THERMIDISTAT
Heat
TWO-STAGE
TWO-SPEED
FURNACE
HEATPUMP
NOTE11
HEAT
STAGE
2
COOL
STAGE
1
HEAT
STAGE
t
COOL
STAGE
2
RVS COOLING
HEA(_CMOpQRLSsl
AGLEo1) _
NOTE12
HEA_FSTAGEE3 _
FAN
[_
24 VAC HOT
[_
DEHUMIDIFY
[_
24 VAC COMM
[_
......
NEAT/COOLSTAGE
2_
(COMPRESSORHI)
_
......
"fiTE_2 _
.....
FAN[_ ......................
[_
_
HUMIDIFY
....... [_
_
HUM
"'"-.
_VACHO_[_ ..........
[_
DEHOM'D'FY_
..........................
_4MAOOOMM[2
_ ............. [_:
.............
[_ HUM
......4VAC, i
/
HUMIDIFIER
.....
HUMIDIFY
...............
HUMIDIFIER(24
VAC)
N/A [_
N/A [_
OUTDOOR
SENSOR
Os_00_
_
OUTDOOR
_1:_
DONNEOT,ON
See notes 2, 5, 8,10,
coS_Sc°,_o,
l[2_
I1, and 12
See notes 1,2, 3, 4, 6, 8, 9, t0,12,13,
and 15
A00278
A00276
Fig. 52B--Two-Stage
Furnace with
Conditioner
Two-Speed
Air
Fig. 82D--Two-Stage
Furnace with Two-Speed
Pump (Dual Fue{)
40
Heat
DUAL
FUEL
TWO-STAGE
THERMOSTAT
SINGLE-SPEED
FURNACE
HEAT
TWO-STAGE
PUMP
TWO-STAGE
THERMOSTAT
TWO-SPEED
FURNACE
NOTE
11
NOTE
12
AIR
CONDITIONER
RVS COOLING
NOTE
11
E2_
HEAT STAGE 3
{ URNACE HI)
HEAT STAGE 2
(FURNACE LO)
HEAT/COOL
STAGE
1
(COMPRESSOR)
FAN [_
24 VAC
24VAC
HOT
E2_
[_
COMM
[_
N/A
1]
HUM
RVS SENSING
OUTDOOR
!_
See
notes
2, tl,
and
12
A00281
CONNECTION
![_
See notes
1, 2, 4,11,14,15,
and
Fig. 52G--Two-Stage
Thermostat
With Two-Stage
Furnace and Two=Speed Air Conditioner
16
A00279
Fig. 52E--Dual Fuel Thermostat
Furnace and Single-Speed
DUAL FUEL
THERMOSTAT
RVS
with Two-Stage
Heat Pump
TWO-STAGE
FURNACE
TWO-SPEED
HEAT PUMP
S;NGLE-STAGE
TWO-STAGE
THERMOSTAT
FURNACE
TWO-SPEED
AIR
CONDITIONER
COOLING
HEA_o%O%_s_oA_,.%I
_ .....................
_ .....
HEA_FSuTRANGAcEE3
_
HEAT/COOL
STAGE
(COMPRESSOR
_4 VAC
................
2 _
HI)
HOT
[2_
NOTE
12
.......
[2_
_4VAOCOMM
[_
......................
[2_
]
N/A
RVS
SENSING
[2_
B
[_
See
O T sOCR
notes
1 and
2
A00282
OUTDOOR
SENSOR
_/_
Fig. 52H--Single-Stage
Thermostat With Two-Stage
Furnace and Two-Speed Air Conditioner
CONNECT'O"/[2_
See notes
HUM
HUM
1,2,
3, 4, 12,13,
14, 15, and
17
A00280
Fig. 52F--Dual FuemThermostat With Two-Stage
Furnace and Two-Speed Heat Pump
41
Notes for Fig. 52A-H:
1. Heat pump
2. Refer
MUST
to outdoor
have a high pressure
equipment
3. Select the "ZONE"
4. Outdoor
switch
Installation
position
on the two=speed
Air Temperature
Sensor
_br dual _fiel applications,
Inst_/ctions
must
for additional
heat pump
be attached
No.1
on Thermidistat
No.
1 on Them_idistat
should
be set in ON position
7. Dip switch
No. 2 on Them_idistat
should
be set in OFF
should
be set in ON position
No. 2 on Thermidistat
Option
10. NO connection
No.
should
connection.
must
Sensing
15. DO NOT
SELECT
board,
to control
to control
control
14. The RVS
16. Dip switch
position
for air conditioner
for heat pump
position
installations.
This is _hctolw deJhult.
installations.
for single-speed
its own high-stage
terminal
terminal
furnace
compressor
operation.
jumper
operation
INTERFACE"
internally
D on Dual Fuel Thermostat
when using
1 on furnace
operation.
t:hel applications.
a Thermidistat.
contIol
should
be set in ON position
staging.
not be connected
the "F[ RNACE
compressor
ON in all daal
on Nrnace
control
should
be removed
via fm'nace
control
algorithm
to allow
unit staging.
heating
"L" should
This is controlled
HUM
ACRDJ
outdoor
for two-speed
must be turned
dip switch No.
If wire is connected,
Them_idistatiThem_ostat
13. Furnace
Fuel Selection"
If wire is connected,
ThermidistatiThem_ostat
12. Optional
control
10 "Dual
be made to the furnace
connection.
to allow
be see in OFF
delimit.
9. Configuration
11. Optional
procedure.
control.
6. Dip switch
8. Dip switch
and setup
in all dual iq/el applications.
5. Dip switch
This is fhctow
should
in_brmation
This is internally
or "BALANCE
by the Them_idistatiDual
shoutd
be set in OFF
position
shoutd
be set in ON position
This is Pactory
used to sense defi'ost
POINT"
option
deihult.
operation
on the two-speed
heat pump
Fuel The*mostat.
ibr single-speed
compressor
operation
This is fhcto W defhult
17. Dip switch
D on Dual Fuel Thermostat
If the fmTmCe control
CPU
switches
from
low-cooling
high=cooling,
the fhmace
control
(PU
conditioning
relay
When
the air conditioning
ACR
ACR.
is energized
will energize
the R to Yl-and=Y2
circuits
relay
the
outdoor unit to high=cooling
speed, and the R to G-andYl-and=YiY2
circuits switch the furnace
blower
motor
BLWM
to COOL
NOTE:
When
outdoor
unit
BLWM
continues
LO-HEAT)
high
compressor
until
THERMIDISTAT
flora tow-cooling
will
run
shut down
at tow=cool
the outdoor
unit
to high-cooling
for 1 minute
while
tl_e
speed
speed
as
compressor
(same
comes
air cleaner
terminal
When there is a dehumidif}" demand, the DHUM input is activated,
which means 24 vac signal is removed fi'om the DHUM input
terminal. In other words, the DHUM input logic is reversed. The
DHUM input is turned ON when no dehumidify,' demand exists.
Once 24 vac is detected by tl_e fi.maace contlol on tl_e DHUM
input, the furnace control operates in The*midistat mode. If the
DHUM input is low or OFF for more than 48 hours, the furnace
control reverts back to non-Them_idistat mode.
The cooling operation described above also applies to operation
with a Them_idistat The exceptions are listed below:
back on at
EA(= 1 is energized
are opened. The outdoor
BLWM
and electronic
energized
to DHUM
with
unit stops, and the fttrnace blower
air cleaner
terminal
EAC=I will
for an additional
to reduce
90 seconds.
the cooling
off=delay
Jumper
Y1
to 5 seconds.
(See Fig. 32.)
3. Two-Speed
CoMing
and
Two-Stage
(See Fig. 28 and Fig. 52A-G
NOTE:
The ACRDJ
must
control
of the outdoor
unit
The
thermostat
low-cooling
closes
or closes
kbr high=cooling.
on low-cooling
the
speed,
as LO HEAT).
connections)
to allow
thermostat
(See Fig. 32.)
R to
G=and-Yl
circuits
the R to G=and-Yl=and-Y2
The R to YI circuit
the _amace blower
speed
_br thermostat
staging.
a When the R
demand _br
BLWM will
speed as LO
Thermostat
be disconnected
and the R to G-and=Y1
motor BLWM
on low=cool
The R to Yl-and=Y2
unit
circuit
starts
speed
(same
circuits
start the
outdoor unit on high-cooling
speed, and the R to G-andY/Y2 circuits start the fhrnace blower motor BLWM on
COOL
speed.
The electlonic
air cleaner
tem_inal
EAC- 1 is energized
to G-and=Y1 circuit is dosed and there is a
ddaumidificatiom the _hmace blower motor
continue running at low-cool speed (same
HEAT).
b. When the R to G-and Y/Y2 circuit is closed and there is a
demand for dehumidification, the furnace blower motor
BLWM will &op the blower speed from COOL to HI
HEAT fbr a maximum of 10 minmes before reverting back
to COOL speed. If there is still a demand tbr dehun_idifi=
cation after 20 minutes, the _hrnace control (PU will &op
the blower speed back to HI HEAT speed. This alternating
10-minute cycle wilt continue as tong as there is a call for
cooling.
for
circuits
starts the outdoor
connections.)
The dehumidification output, DHI_M on the Thermidistat should
be connected to the _hrnace control thermostat terminal DHUM.
115 vac whenever
the blower motor BLWM is operating.
When the tl',ermostat is satisfied, the R to G-and=Y circuit
remain
MODE
(See Fig. 52A=D _br Thermidistat
tl_e
speed
The electronic
operation,
speed.
transitioning
to
compressor
G-and-Yl-and-Y2
circuits are opened. The outdoor unit
stops, and the fire, ace blower BLWM and electronic air
cleaner terminal EAC=I will remain energized £,r an
additional 90 seconds Juniper YI to DHUM to reduce the
cooling off-delay to 5 _econ&. (See Fig. 32.)
to
the air
switch
for two-speed
c. When the "call for cooling" is satisfied and there is a
demand for dehumidification, the cooling blower-off delay
is decreased I'rom 90 seconds to 5 seconds.
with
115 vac whenever
the blower motor BLWM is operating.
When the thermostat is satisfied, the R to G-and-Y1
or R to
42
(ONTINL
When
O[ S BLOWER
the R to G circuit
motor BLWM
HI HEAT,
HEAT
Tem_inal
speed
BLWM
During
by the thermostat,
on continuous-blower
or COOL
EAC-!
(17 seconds),
BLWM
speed
befbre
When
the thermostat
speed
reverting
(PU
during
will hold the blower
the selected
to continuous-blower
speed
to operate
at tow=cool
LO HEAT).
When
the thetl_aostat
is satisfied,
the blower
motor
BLWM
operate
an additional
90 seconds
on tow-cool
speed
BLWM
will
satisfied,
seconds
blower
When
"calls
speed
operate
at COOL
speed.
motor
BLWM
on COOL
speed
befbre
(same
motor
speed
as
continue
operating
blower
Continuous
When
the
will operate
reverting
them_ostat
back
HUM
is energized
diagnose
a system
to continuons=
5 seconds,
if no other _kmction
BLWM
BLWM
will
from
speeds
Thermostat
from
problem
SHOCK
Failure
to fbltow
this warning
personal
injm%
access
-To
the room
panel
board
must be taken when
thermo=
Disconnect
3
Manually
4
For approximately
themmstat
to COOL.
blower
turning
off the
shift
speed
from (OOL
to HI HEAT
FAN
again
to LO HEAT
as many times as desired
to be auton_atically
used following
the continuous-
of LO HEAT
switch
will shift the continuous-blower
Repeating
the procedure
will
be changed
HEAT
will
at the
speed fi'om HI HEAT
shift the continuous-
speed.
The selection
blowe*
could result in electrical
door
switch
opens
operation
manually
can
access
is
shock,
closing
l15-v
power
can occur
this switch
to
Caution
l;or service
door.
them_ostat
R lead fi'om furnace
close blower
on control
until
control.
door switch.
2 sec, short (_umper)
to the TEST/TWIN
on control
and is stored in the memov
a power
The
pro'poses.
2
CPU
helps
_ilure.
HAZARD
No component
fi/mace
setting
The EAC=I
This feature
or death.
operating.
control
reasons
is energized.
Self:Test:
Remove
Momentarily
motor
delay period
in case of a component
ELECTRICAL
contlol
Selection
fbr safkty
when blower
1
speed.
the blower
blower-OFF
speed.
are not energized
Compmlent
Blower
operation.
fi'om the facto_
the G signal,
SELF-TEST
tm_a off the FAN switch or push-button
on the
for 1-3 seconds a_ler the blower motor BLWM is
The
leaving
on fbr the selected
stat, momentarily
room thermostat
speed
delay
Y2 or R to WiWl=and-Yl-and-
90
for an additional
continuous=blower
blower
the blower
is
an additional
motor
Speed
timQ
blower-OFF
motor
the blower
Blower
different
at the same
on for the selected
to continuous-blower
temlinal
To Begin
the blower
is opened,
motor
disappear,
will remain
terminal
speed.
the R to G circuit
disappear
remain
post-purge
speed afier a 3 second
or R to WiW l-an&Y 1-
component
test f?ature will not operate if any thet_aostat
signal
present at control and not until all time delays are completed.
speed.
for high-cooling",
the blower
requires
select
the blower
back to continuous-blower
the themmstat
a nom_al indncer
NOTE:
The furnace control component
test allows all components to run ibr a short time; except the gas valve and humidifier
delay
switch
be_bre reverting
signals
( OMPONENT
motor
blowe>OFF
_br low-cooling",
will
will
If the R to WiWl=and-Y
then switch
at
signals
BLWM
BLWM
delay
"calls
will
Y/Y2
to heat up more
delay period
begins
respectively
the fk/rnace control
period
When
motor
igniter
and blower-ON
heat exchangers
at the end of the blower-ON
at HI HEAT
BLWM
and=YiY2=and=G
is LO
will stop doting
(7 seconds),
the furnace
or HI HEAT
In high=heat,
BLWM
delimit
as long as the blower
period.
ignifion
allowing
then restarts
LO HEAT
tl_e blower
speed (can be set
Factor-
the I_urnace control
period arid the blower switches to (OOL
delay If the R to WiW 1-and=YiY2-and=G
is energized
(66 seconds),
quickly,
speed)
is energized
a call _br heat, the blower
warm=up
disappears,
is closed
will operate
to LO HEAT,
motor
MODE
3/16=in.
LED rams
off
the Cov-24v
tem_inal
quick=connect
tem_inal
Remove
jumper
fi'om termi-
nals. (See Fig. 320
interruption.
NOTE:
longer
P/MP
If TEST/TWIN
and
than 2 sec, LED will
Co_>24v
terminals
flash rapidly
are jumpered
and ignore
component
test request.
(See Fig. 52C-F
When installed
fbr themmstat
connections)
Component
with a heat pm_ap, the furnace
changes
the timing
demand
del:i'ost
sequence
cycles.
control
to avoid long blower
When
automatically
ofttimes
during
the R to WiWl=and-Y1
or R to
blower
speed
motor
as LO HEAT),
BLWM
perio&
then
HEAT
speed. When
control
begins
remains
and=G
BLWM
shut
signals
will remain
the W/W1
inducer
disappear
then come
post-purge
speed.
back
at the
period
on at LO
the furnace
and the blower
If the R to WiWl-and-Yl=
same
on _br the selected
If the R to WiWl=and=Y1
the blower motor BLWM
cycle. The
input signal disappears_
at LO HEAT
will remain
a low-heat
on until the end of the prepurge
off for 24 seconds
a normal
running
arid begin
time,
the
blower
blower-OFF
signals disappear,
leaving the G signal,
will remain on fbr the selected blowerto continuous-blower
R to WiWl-and-Y
to WiWl=and-Yl=and-YY2,
or R to WiWl=and-Yl=and-Y
and=G circuits
are energized
to or mrn on the blower
a high=heat
cycle.
BLWM
The blower
the end of the prepurge
come back
the furnace
motor
motor
perio&
on at HI HEAT
control
at COOL
BLWM
speed.
Y2=and-G,
speed,
When
R
the W/W1
d
Blowe*
e
igniter
motor
and continues
for 15 see, then off
on LO-HEAT
Blower
motor
operates
on HI-HEAT
E Blower
motor
operates
on COOL
g. Indtlcer
motor
6. Operate
_/mace
7. Verify
l_m_ace
goes to low=speed
speed
speed
speed
then
Follmv
fumace
signal
43
down
_br 10 sec
for 10 see.
for 10 see.
for 10 sec, then stops.
tape from blower
by
on outer door.
lowering
themmstat
setting
temperature.
that ftlrnace
restarts
by raising
thermostat
setting
above
temperature.
OPERATE
on until
per instruction
shut
to run
test sequence.
is energized
operates
is as follows:
code 4 times.
motto" sta*ts on high-speed
Hot sm'face
roonl
arid begin
input
_hmace
status
Step g of component
c
8. Verify
Y2=
then slmt off _br 24 seconds
speed.
Inducer
below room
CPU will switch
will remain
b
_br 2-stage
previous
5. Reconnect R lead to £i/mace cont_ot, remove
door switch, and re-install
blower door.
motor
delay period.
OFF delay period then switch
When the R to WiWI-an&YiY2,
LED will display
until
WiWl-and-Yl=and-G
circuits are energized,
the furnace contlol
CPU will switch to or tmla on the blower motor BLWM at tow cool
speed (same
test sequence
a
FURNA(
procedures
E
on
operating
instructions
label
attached
to
TABLE
10--MODEL
58MTA ORIFICE SiZE AND HIGH/LOW-HEAT
FOR CORRECT INPUTS
NANIFOLD
PRESSURES
FOR USE WITH 060 THROUGH 120 SIZE FURNACES ONLY
(TABULATED
DATA BASED ON 20,000/13,000 BTUH PER BURNER, DERATED 2 PERCENT FOR EACH 1000
FT ABOVE SEA LEVEL)*
SPECIFIC
ALTITUDE
RANGE
{FT)
AVG GAS
NEAT VALUE
(BTUIOU FT)
0.58
GRAVITY
0.60
OF NATURAL
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
850
43
3.7/1.5
43
3.8/1.6
42
3.2/1.4
875
43
3.5/1.5
43
3.6/1.5
43
3.7/1.6
900
44
3.7/1.6
43
3.4/1.4
43
925
44
3.5/1.5
44
3.7/1.6
950
44
3.4/1.4
44
2000
975
44
3.2/1.3
0%
derate
1000
45
1025
o
Orifice
no.
Manifold
Pressure
42
3.3/1.4
42
3.4/1.4
43
3.8/12.6
42
3.2/1.4
3.5/1.5
43
3.6/1.5
43
3.7/1.6
44
3.8/1.6
43
3.4/1.4
43
3.5/1.5
3.5/1.5
44
3.6/1.5
44
3.7/1.6
44
3.8/1.6
44
3.3/1.4
44
3.4/1.4
44
3.5/1.5
44
3.6/1.5
3.7/1.6
45
3.8/1.6
44
3.2/1.4
44
3.4/1.4
44
3.5/1.5
45
3.5/1.5
45
3.6/1.5
45
3.7/1.6
44
3.2/1.3
44
3.3/1.4
1050
45
3.%1.4
45
3.4/1.5
45
3.6/1.5
45
3.7/1.6
45
3.8/1.6
1075
45
3.2/1.3
45
3.3/1.4
45
3.4/1.4
45
3.5/1.5
45
3.6/1.5
1100
47
3.6/1.5
47
3.7/1.6
45
3.2/I .4
45
3.4/1.4
45
3.5/1.5
SPECIFIC GRAVITY
ALTrUDE
RANGE
{FT)
AVG GAS
HEAT VALUE
(BTU/CU FT)
0.62
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifotd
Pressure
775
43
3.8/1.6
42
3.2/1.4
42
3.3/1.4
42
3.4/1.4
42
3.5/1.5
8OO
43
3.5/1.5
43
3.7/1.5
43
3.8/1.6
42
3.2/1.4
42
3.%1.4
825
44
3.8/1.6
43
3.4/1.5
43
3.6/1.5
43
3.7/1.5
43
3.8/1.6
85O
44
3.6/1.5
44
3.7/1.6
44
3.8/1.6
43
3.5/1.5
43
3.6/1.5
875
44
3.4/1.4
44
3.5/1.5
44
3.6/1.5
44
3.7/1.6
43
3.4/1.4
9OO
44
3.2/1.4
44
3.3/1.4
44
3.4/1.4
44
3.5/1.5
44
3.6/1.5
925
45
3.7/1.5
45
3.8/1.6
44
3.2/1.4
44
3.3/1.4
44
3.4/1.5
95O
45
3.5/1.5
45
3.6/1.5
45
3.7/1.6
45
3.8/1.6
44
3.3/1.4
975
45
3.3/1.4
45
3.4/1.4
45
3.5/1.5
45
3.6/1.5
45
3.8/1.6
1000
47
3.7/1.6
45
3.2/1.4
45
3.4/1.4
45
3.5/1.5
45
3.6/1.5
1025
47
3.6/1.5
47
3.7/1.6
45
3.2/1.3
45
3.3/1.4
45
3.4/1.4
or
SPECIFIC GRAVITY
AVG GAS
HEAT VALUE
{FT)
0.66
Manifold
Pressure
3ooo
ALTITUDE
RANGE
0.64
Orifice
no.
to
<'
_,
0.60
GAS
Manifold
Pressure
U.S.
Canada
Altitudes
2001
to
4500
5%
derate
0.58
OF NATURAL
Orifice
no.
Altitudes
2001
0
0.66
Manifold
Pressure
to
_=
0.64
Orifice
no.
o
r_
GAS
0.62
0.58
0.60
OF NATURAL
GAS
0.62
0.64
0.66
(BTU/CU FT)
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifotd
Pressure
75O
43
3.7/1.6
43
3.8/1.6
42
3.3/1.4
42
3.4/1.4
42
3.5/1.5
775
43
3.5/1.5
43
3.6/1.5
43
3.7/1.6
43
3.8/1.6
42
3.2/1.4
8OO
44
3.7/1.6
43
3.4/1.4
43
3.5/1.5
43
3.6/1.5
43
3.7/1.6
825
44
3.5/1.5
44
3.6/1.5
44
3.8/1.6
43
3.4/1.4
43
3.5/1.5
85O
44
3.3/1.4
44
3.4/1.4
44
3.5/1.5
44
3.7/1.5
44
3.8/1.6
875
45
3.8/1.6
44
3.2/1.4
44
3.3/1.4
44
3.5/1.5
44
3.6/1.5
9OO
45
3.6/1.5
45
3.7/1.6
45
3.8/1.6
44
3.3/1.4
44
3.4/1.4
925
45
3.4/1.4
45
3.5/1.5
45
3.6/1.5
45
3.7/1.6
44
3.2/1.3
95O
45
3.2/1.4
45
3.3/1.4
45
3.4/1.5
45
3.5/1.5
45
3.7/1.5
975
47
3.6/1.5
45
3.2/1.3
45
3.3/1.4
45
3.4/1.4
45
3.5/1.5
1000
47
3.5/1.5
47
3.6/1.5
45
3.7/1.6
45
3.2/1.4
45
3.%1.4
3001
to
4000
7%
derate
Orifice numbers shown in shading are factory installed
NOTE: Percents of derate are based on midpoints of U.S. altitude ranges
FURNACE
RESTART
In the L .S.A.
reduced
With f'umace operating,
set thermostat
below room temperature
and observe that furnace
goes off, Set themxostat
above room
temperature
Step
and observe
that furnace
the input ratings
by 2 percent
fbr each
%r altitudes
above
1000 ft above
In Canada,
the input ratings must be derated
ahimdes
of 200! ft to 4500 t't above sea level.
restarts.
Adjust
5--Adjustments
Furnace
SET GAS IN'PET RATE
rating
manifold
plate adjusted
1. Detem_ine
Furnace gas input rate on rating plate is for installations at altitudes
up to 2000 ft
For Con'ect
44
pressure
to obtain
input rate must be within
Natural
Input.
2000 ft must be
sea level
by
5 percent
for
input rate.
÷ 2 percent
of input on Ihrnace
fbr altitude.
Gas Orifice
Size And Manifbld
Pressure
TABLE 10--MODEL
58MTA ORIF_CE SIZE AND HIGHILOW-HEAT
MANIFOLD
PRESSURES
FOR CORRECT iNPUTS (Continued}
FOR USE WiTH 060 THROUGH 120 SIZE FURNACES ONLY(TABULATED
DATA BASED ON 20,000f13,000
BTUH PER BURNER, DERATED 2 PERCENT FOR EACH 1000 FT ABOVE SEA LEVEL}*
SPECIFIC
ALTITUDE
RANGE
{FT)
0.58
GRAVITY
0.60
OF NATURAL
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
725
43
3.7/1.5
43
3.8/1.6
42
3.2/1.4
42
3.3/1.4
42
3.4/1.4
750
44
3.4/1.4
43
3.5/1.5
43
3.7/1.5
43
3.8/1.6
42
3.2/1.4
775
44
3.7/1.6
44
3.8/1.6
43
3.4/1.4
43
3.5/1.5
43
3.7/1.5
4001
800
44
3.5I .5
44
3.6/1.5
44
3.7/1.6
44
3.8/1.6
43
3.4/1.4
to
825
44
3.2/1.4
44
3.4/1.4
44
3.5/1.5
44
3.6/1.5
44
3.7/1.6
850
45
3.5/1.5
45
3.8/1.6
44
3.3/1.4
44
3.4/1.4
44
3.5/1.5
875
45
3.3/1.4
45
3.6/1.5
45
3.7/1.6
44
3.2/1.3
44
3.3/1.4
900
45
3.3/1.4
45
3.4/1.4
45
3.5/1.5
45
3.6/1.5
45
3.8/1.6
925
47
3.7/1.6
45
3.2/1.4
45
3.3/1.4
45
3.4/1.5
45
3.6/1.5
95O
47
3.5/1.5
47
3.6/1.5
45
3.2/1.3
45
3.3/1.4
45
3.4/1.4
AVG GAS
HEAT VALUE
(BTU/CU FT)
0.58
0.60
OF NATURAL
GAS
0.62
0.64
0.66
Orifice
no.
Manifotd
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
7OO
43
3.6/1.5
43
3.7/1.6
42
3.2/1.3
42
3.3/1.4
42
3.4/1.4
725
43
3.4/I .4
43
3.5/1.5
43
3.6/1.5
43
3.7/1.6
43
3.8/1.6
75O
44
3.6/1.5
44
3.7/1.6
43
3.4/1.4
43
3.5/1.5
43
3.6/1.5
775
44
3.4/I .4
44
3.5/1.5
44
3.6/1.5
44
3.7/1.6
43
3.4/1.4
5001
8OO
44
3.2/1.3
44
3.3/1.5
44
3.4/1.4
44
3.5/1.5
44
3.6/1.5
to
825
45
3.6/1.5
45
3.7/1.6
44
3.2/1.4
44
3.3/1.4
44
3.4/1.4
85O
45
3.4/1.4
45
3.5/1.5
45
3.6/1.5
45
3.8/1.6
44
3.2/1.4
875
45
3.2/1.4
45
3.3/1.4
45
3.4/1.5
45
3.6/1.5
45
3.7/1.5
9OO
47
3.6/1.5
47
3.7/1.6
45
3.3/1.4
45
3.4/1.4
45
3.5/1.5
925
47
3.4/1.4
47
3.5/1.5
47
3.7/1.5
45
3.2/1.3
45
3.3/1.4
95O
48
3.7/1.6
48
3.8/1.6
47
3.5/1.5
47
3.6/1.5
47
3.7/1.6
975
48
3.5/1.5
48
3.6/1.5
48
3.8/1.6
47
3.4/1.4
47
3.5/1.5
1000
48
3.3/1.4
48
3.5/1.5
48
3.6/1.5
48
3.7/1.6
48
3.8/1.6
6000
11%
derate
ALTBTUDE
RANGE
SPECIFIC GRAVITY
AVG GAS
HEAT VALUE
0.58
0.60
OF NATURAL
GAS
0.62
0.64
0.66
(BTU/CU FT)
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
65O
42
3.2/1.3
42
3.3/1.4
42
3.4/1.4
42
3.5/1.5
42
3.6/1.6
675
43
3.6/1.5
43
3.7/1.6
43
3.8/1.6
42
3.2/1.4
42
3.3/1.4
7O0
44
3.8/1.6
43
3.4/1.5
43
3.6/1.5
43
3.7/1.6
43
3.8/1.6
6001
725
44
3.6/1.5
44
3.7/1.6
44
3.8/1.6
43
3.4/1.4
43
3.5/1.5
to
75O
44
3.3/1.4
44
3.4/1.5
44
3.6/1.5
44
3.7/1.6
44
3.8/1.6
775
45
3.8/I .6
44
3.2/1.4
44
3.3/1.4
44
3.4/1.5
44
3.5/1.5
8OO
45
3.5/1.5
45
3.7/1.5
45
3.8/1.6
44
3.2/1.4
44
3.3/1.4
825
45
3.3/1.4
45
3.4/1.5
45
3.6/1.5
45
3.7/1.6
45
3.8/1.6
85O
47
3.7/1.6
45
3.2/1.4
45
3.4/1.4
45
3.5/1.5
45
3.6/1.5
875
47
3.5/1.5
47
3.6/1.5
45
3.2/1.3
45
3.3/1.4
45
3.4/1.4
(FT)
:.5
0.66
Orifice
no.
ALTITUDE
RANGE
{FT)
:.5
0.64
Manifotd
Pressure
SPECIFIC GRAVITY
_>"
GAS
0.62
Orifice
no.
5000
9%
derate
:.5
AVG GAS
NEAT VALUE
(BTUICU FT)
7000
13%
derate
* Orifice numbers shown in shading are factory instNled
NOTE: Percents of derate are based on midpoints of US
altitude ranges
a Obtain average gas heat value (at installed altitude) from
local gas supplier,
L Follow
heat
intersection
settings
b, Obtain average gas specific gravity' fiom local gas supplier,
c Verify furnace model and size Table 10 can only be used
_Z_r model 58MTA furnaces with heating inputs o1"
20,000/13,000 (High/Low) Btuh per burner,
d, Find installation altimde in Table 10,
NOTE: For Canada altitudes of 200! to 4500 k, use I_,SA
altitudes of 200! to 3000 ft in Table 10,
e Find closest natural gas heat value and specific gravity on
Table 10,
45
vahle
and specific
to find
for proper
orifice
operation
size
gravity
and
lines
to point
manil"old
of
pressure
TABLE
10--MODEL
58MTA ORIFICE SIZE AND HIGH/LOW-HEAT
NANIFOLD
PRESSURES
FOR CORRECT INPUTS (Continued)
FOR USE WITH 060 THROUGH 120 SIZE FURNACES ONLY
(TABULATED
DATA BASED ON 20,000/13,000 BTUH PER BURNER, DERATED 2 PERCENT FOR EACH 1000
FT ABOVE SEA LEVEL)*
SPECIFIC
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
(BTUiCU FT)
0.58
GRAVITY
0.60
0.66
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
825
43
3.8/1.6
42
3.3/1.4
42
3.4/1.4
42
3.5/1.5
42
3.6/1.5
65O
43
3.5/1.5
43
3.7/1.6
43
3.8/1.6
42
3.2/1.4
42
3.3/1.4
675
44
3.8/1.6
43
3.4/1.4
43
3.5/1.5
43
3.6/1.5
43
3.7/1.6
7001
to
7OO
44
3.5/1.5
44
3.6/1.5
44
3.8/1.6
43
3.4/1.4
43
3.5/1.5
725
44
3.3/1.4
44
3.4/1.4
44
3.5/I .5
44
3.6/1.5
44
3.7/1.6
8000
15%
derate
750
45
3.7/1.6
45
3.8/1.6
44
3.3/1.4
44
3.4/1.4
44
3.5/1.5
775
45
3.5/1.5
45
3.6/1.5
45
3.7/1.6
45
3.8/1.6
44
3.3/1.4
8OO
45
3.3/1.4
45
3.4/1.4
45
3.5/1.5
45
3.6/1.5
45
3.7/1.6
825
47
3.6/1.5
45
3.2/1.3
45
3.3/1.4
45
3.4/1.4
45
3.5/1.5
85O
47
3.4/1.4
47
3.5/1.5
47
3.7/1.5
45
3.2/1.3
45
3.3/1.4
Altitudes
8001
to
9000
17%
derate
ALTITUDE
RANGE
AVG GAS
HEAT VALUE
(BTU/CU FT)
0.58
0.60
OF NATURAL
GAS
0.62
0.64
0.66
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifotd
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
6OO
43
3.8/1.6
42
3.3/1.4
42
3.4/1.4
42
3.5/1.5
42
3.6/1.5
625
43
3.5/1.5
43
3.6/1.5
43
3.8/1.6
42
3.2/1.4
42
3.3/1.4
65O
44
3.7/1.6
43
3.4/1.4
43
3.5/1.5
43
3.6/1.5
43
3.7/1.6
675
44
3.5/1.5
44
3.6/1.5
44
3.7/1.6
44
3.8/1.6
43
3.4/1.5
7OO
44
3.2/1.4
44
3.3/1.4
44
3.4/1.5
44
3.6/1.5
44
3.7/1.6
725
45
3.6/1.5
45
3.8/1.6
44
3.2/1.4
44
3.3/1.4
44
3.4/1.4
75O
45
3.4/1.4
45
3.5/1.5
45
3.6/1.5
45
3.8/1.6
44
3.2/1.4
775
45
3.2/1.3
45
3.3/1.4
45
3.4/1.4
45
3.5/1.5
45
3.6/1.5
8OO
47
3.6/1.5
47
3.7/1.6
45
3.2/1.3
45
3.3/1.4
45
3.4/1.4
SPECIFIC GRAVITY
AVG GAS
HEAT VALUE
0.58
0.60
OF NATURAL
GAS
0.62
0.64
0.66
(BTU/CU FT)
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
575
43
3.8/1.6
42
3.2/1.4
42
3.3/1.4
42
3.3/1.5
42
3.6/1.5
6OO
43
3.5/1.5
43
3.6/1.5
43
3.7/1.6
42
3.2/1.3
42
3.3/1.4
625
44
3.7/1.6
44
3.8/1.6
43
3.5/1.5
43
3.6/1.5
43
3.7/1.6
to
65O
44
3.4/1.4
44
3.5/1.5
44
3.7/1.5
44
3.8/1.6
43
3.4/1.4
10,000
675
44
3.8/1.6
44
3.3/1.4
44
3.4/1.4
44
3.5/1.5
44
3.6/1.5
7OO
45
3.6/1.5
45
3.7/1.6
45
3.8/1.6
44
3.3/1.4
44
3.4/1.4
725
45
3.3/1.4
45
3.4/1.5
45
3.6/1.5
45
3.7/1.6
45
3.8/1.6
75O
47
3.7/1.6
45
3.2/1.4
45
3.3/1.4
45
3.4/1.5
45
3.5/1.5
775
47
3.5/1.5
47
3.6/1.5
47
3.7/1.6
45
3.2/1.4
45
3.3/1.4
(FT)
4
0.64
Manifold
Pressure
ALTITUDE
RANGE
(FT)
.=_
GAS
Orifice
no.
SPECIFIC GRAVITY
>,
"E
O
<,'
_,
OF NATURAL
0.62
9001
19%
derate
_Orifice numbers shown in shading are factory installed.
NOTE: Percents of derate are based on midpoints of U.S. altitude ranges
2, Adjust Manifold Pressure To Obtain Input Rate,
a Remove burner enclosure fiont
EXAMPLE: (0=2000 ff altitude using Table 10)
Heating value
1050 Btuicu ff
Specific gravity
062
Therefbre: Orifice No 45
Manifbld pressure 3,6-in, wc for high heat
1.5-in. wc for tow heat
* Furnace is shipped with No, 45 orifices,
In thisexample all main burner ori_:_cesare the cmTect size
and do not need to be changed to obtain the proper
input rate,
NOTE: Manifold pressure MUST
burner enclosure fiont REMOVED
always be measured
with
b, Remove regulator seal caps that conceal adjustment screws
for low=and high-heat gas valve pressure regulators, (See
Fig. 53.)
c. Move setup switch SW=I on control center to ON position,
This keeps furnace locked in tow-heat operation.
d, Jumper R and WiWI tlaermostat connections on control to
start _iu_ace,
g. (beck and verify burner orifice size in furnace NEVER
ASSUME ORIFICE SIZE: ALWAYS CHECK AND
VERIFY,
e Turn low-heat adjusting screw (3/32 hex Allen wrench)
counterclockwise (ou0 to decrease input rate or clock=wise
(in) to increase input rate
46
BURNER
FLAME --_
_'-
/_[
(PROPANE
WHITE=
NATURAL
INLET
BURNER
13 5 TURNS
SILVER
12 TURNS)
/
(PROPANE
NAT
JRAL
WHITE
9 5 TURNS
S LVER
9 5 TURNS)
MANIFOLD J
A89020
A04048
--> Fig. 83--Redundant
NOTE:
DO NOT
Automatic
set tow-heat
mani%ld
we or more than 1.%in. wc %r natural
outside
this range,
change
main
Fig. 54--Burner
Gas Control Valve
pressure
less than 1.3=in.
gas. If mani%ld
burner
orifices
Flame
pressure
to obtain
is
pressure
in this range.
-->
FIRE
HAZARD
Failure
to %llow
tifk, property
DO NOT
this cmldon
damage,
bottom
may result
personal
out
gas vah'e
This can result in unregulated
excess
overfire
injury,
in reduced
regulator
manitbld
and heat exchanger
fire, ace
and death
adjusting
pressure
screw
BURNER
and result in
U
NOTE:
If orifice hole appears damaged
been re&illed,
check orifice hole with
cmTect
size.
aligned
orifice
Never
re&ill
fl Move
setup switch
tow=heat
to OFF position
and
squarely
A93059
characteristics.
Fig. BB--Bumer
contlol.
and
W2
(See
32)
This
Fig.
them_ostat
keeps
connections
fl/mace
pipes,
in
by clocking
locked
a
adjusting
counterclockwise
(in) to increase
screw
(3/32
(out) to decrease
hex Allen
wrench)
input rate or clockwise
manifold
pressure
adjustment
be clea* blue,
almost
jumper
DAMAGE
to
damage
is obtained,
regulator
j. Remove
Failure
%llow
due
to
R-to=W1
replace
sinews.
caps
Calculate
UNITED
high-altitude
STATES
above
derate
and Table
Main
transparent
that conceal
burner
adjustment
vent
input
(if required).
2000 ft, _his furnace
for each
has been approved
1000 fi above
11 for derate
multiplier
Derate
flame
(See Fig. 54)
and W2.
sea level
See
factor.
d_is
flame
caution
may
result
impingement
in component
of burners
and
re&ill
orifices.
Improper
Natural
Gas Input
&illing
excessive
(burrs,
burner
heat
Rate By Clocking
out-of:
noise
Furnace Input Rate
Furnace Input Rate
at Sea Level
X
Multiplier
Factor
=
at Installation
Attitude
100,000
X
0.91
=
91,000
CANADA
At installation altitudes [i'om 2001 to 4500 fl, this :h_mace
must be derated 5 pmcent by an authorized Gas Conversion
Station or Dealer To determine COITect input rate %r
altitude, see exampte above and use 095 as derate multiplier fi_ctor,
HAZARD
round
holes, etc.) can cause
misdirection
of burner flames.
3. Veri_-
and
EXAMPLE:
exchangers.
DO NOT
combustion-air
100,000 Btuh input furnace installed at 4300 ft.
CmTect input
gas valve
UNIT
robing,
fi'ont are in place when checking
gas meter
Example
less than 3.2=in.
in this range.
-->
all pressure
enclosure
for 2 percent
we or more than 3.8-in. wc for natural gas. It" mani%ld pressure is
outside this range, change main burner orifices to obtain pressure
should
sure
and burner
At altitudes
rate.
DO NOT set high=heat
i. When
Be
on
operation
high-heat
Orifice
after completing
NOTE:
R and W1
high=heat
NOTE:
flame
adjustment
g. Jumper
h, Turn
A bun'-flee
for proper
SW-I
ORIFICE
or it is suspected to have
a numbered
&ill bit of
an orifice.
hole is essential
J
failures
and
b Reinstall burner box cover,
NOTE:
Clocking gas input rate MUST
the burner box cover INSTALLED
Gas Meter
47
ahvays
be per%m_ed
with
TABLE 11--ALTITUDE
DERATE MULTIPLIER
U.S.A.
FOR
SECONDS
ALTITUDE
(FT)
0=2000
PERCENT
OF DERATE
0
DERATE MULTIPLIER
FACTOR FOR U.S.A.*
1.00
2001 =3000
4-8
0.95
3001 =4000
6-8
TABLE
SIZE
FOR 1
REVOLUTION
0.93
12--GAS
OF
TEST
1
Cu
DIAL
2
Ft
Cu
RATE (CU FTfHR)
SECONDS
5
Ft
Ca
SIZE
FOR 1
REVOLUTION
Ft
OF
TEST
DIAL
2
5
Ca Ft
1
Cu
Ft
Cu
Ft
10
360
720
1800
50
72
144
360
11
327
655
1636
51
71
141
355
12
300
600
1500
52
69
138
346
13
277
555
1385
53
68
136
340
14
257
514
1286
54
67
133
333
15
240
480
1200
55
65
131
327
16
225
450
1125
56
64
129
321
17
212
424
1059
57
63
126
316
18
200
400
1000
58
62
124
310
305
4001=5000
8-10
0.91
5001 =6000
10-12
0.89
8001 =7000
12-14
0.87
7001 =8000
14-16
0.85
8001=8000
16-18
0.83
9001=10,000
18-20
0.81
19
189
379
947
59
61
122
factor is based on midpoint
altitude for NtRude range.
20
180
360
900
60
60
120
300
21
171
343
857
62
58
116
290
22
164
327
818
64
56
112
281
23
157
313
783
66
54
109
273
24
150
300
750
68
53
106
265
25
144
288
720
70
51
103
257
26
138
277
692
72
50
100
250
27
133
267
667
74
48
97
243
28
129
257
643
76
47
95
237
29
124
248
621
78
46
92
231
30
120
240
600
80
45
90
225
31
116
232
581
82
44
88
220
32
113
225
563
84
43
86
214
33
109
218
545
86
42
84
209
34
106
212
529
88
41
82
205
35
103
206
514
90
40
80
200
38
100
200
500
92
39
78
196
37
97
195
486
94
38
76
192
38
95
189
474
96
38
75
188
39
92
185
462
98
37
74
184
40
90
180
450
100
36
72
180
41
88
176
439
102
35
71
178
42
86
172
429
104
35
69
173
43
84
167
419
106
34
68
170
44
82
164
409
108
33
67
167
45
80
160
400
110
33
65
164
46
78
157
391
112
32
64
161
47
76
153
383
116
31
62
155
48
75
150
375
120
30
60
150
46
73
147
367
124
29
58
145
* Derate multiplier
c. Check
proper
that gas valve adjustment
input to be clocke&
& Obtain
yearly
heat value
NOTE:
Be sure
heating
correct
fbr your
altitude.
adjustment
average
value
are in place
fbr local
of gas
(onsnh
of gas beating
caps
used
local
gas
%r
gas supply.
for calculations
utility
is
fbr altitude
value.
e. (hock and verify orifice size in furnace. NEVER ASSUME
THE ORIFICE
SIZE. ALWAYS
CHECK AND VERIFY.
£ Turn
off all other
gas appliances
and pilots.
g. Move setup switch
SW=I to ON position,
fm'nace tocked in low=heat ope*ation
h, Jumper
This
keeps
R=to=WiWl
i, Let t::urcmce run for 3 minutes
.i, Measure
in low-heat
time (in sec) fbr gas meter
operation,
to complete
1 revolu=
tion, Note reading
k, Refe* to Table
1, Multiply
m
Move
Wl
switch
and
SW=I
W2
locked
through
T for high-heat
EXAMPLE:
(0=2000
in high=heat
input
Heating value of gas
Time for 1 revolution
Gas rate
input
plate
Btuicu
is 100,000
975 Bmicu ft
of 2=cu ft dial
Table
103 X 975
'i'
Bmh
SET TEMPERATURE
is within
+2 percent
of the f_/rnace
pressure
Btuh.
In this
adjustment
input rate
DAMAGE
Failure
to %llow
per that stated above when installed
W2
rating
plate
Recommended
range
or slightly
high
jumper
gas heat.
must
specified
or* 5k_mace
is at midpoint
Jumper
R to W/W1
05" rise
and W2 to check
rise. To check low-gas-heat
Do not
plate
operate
specified on the furnace
as fbllows:
48
limits
operation
to W2. Determine
on unit rating
furnace
the
exchanger
above
temperature
and tow
specified
This
be within
SW=I in ON position
rise. remove
thermostat
in overheating
flue gases in heat
for condensate
rise must
Place
may result
or condensing
Temperatuie
high-gas-heat
R, W/W1,
and
call for heat.
HAZARD
this caution
areas not designed
altitudes.
n. Remove
jumper
across
connections
to tern?inure
[SNIT
heat exchangers
gas inputs (high=heat and tow=heat) must be
of that stated on furnace rating plate when
at sea level or derated
RISE
70 sec
100,425
size and manifold
at higher
items
12)
the orifice
installed
Repeat
keeps
ft X cu ft&r
example,
NOTE:
Measured
within +2 pc*cent
This
R
operation.
103 cu ftihr (from
Bm heating
and jumper
connections.
operation.
ft),
ft altitude)
input from rating
Bm heating
value (Btuicu
to OFF position
thermostat
furnace
Furnace
k of gas pc* hr,
gas rate cu ftihr by heating
setup
and
12 fbr cubic
air temperature
exceed
temperatnre
temperature
rise for both
rise ranges
fbr high and low gas heat
within
the temperature
rating plate. Determine
rise
ranges
the air temperature
a Place duct themmmeters in return and s_/pply ducts as
to thruace as possible Be sure then_ometers do not
heat exchangers so that radiant heat does not affect
mometer readings. This is particularly important
straight run ducts
close
'see'
ther=
with
TaNe 1a-Speed
SPEED
White
Common
COM
B_ack
High
Coot
b. When thermometer readings stabilize, subtlact return-air
temperature t'rom supply=air tempe*ature to determine tern=
peramre rise.
AS SHIPP_=D
Yellow
Med-High
Orange1"
Blue
Med
SPARE
High-Gas
Med-Low
Low*
Red
If"the temperature rise is outside this range, check the tk_llowing:
a Gas input for low- and high gas heat operation
Semection
LEAD COLOR
* Continuous
b_ovcer
? Available
on 5-speed
Heat
Spare/High-Gas
Heat
Low-Gas Heat
speed
blowers only
b. De*ate for altitude it"applicable.
c Return and supply ducts fbr excessive restrictions causing
static pressures greater than 0.50=in we.
provide greater com%rt. See Table 9 %r positiou of switches and
Fig 31 or 32 %r location of switches on control center
SET THERMOSTAT HEAT ANTICIPATOR
d. Adjust temperature rise by adjusting blower speed. In=
crease blower speed to reduce temperature rise. Decrease
blower speed to increase temperature rise.
ELECTRICAL
-->
When using a nonelectronic thermostat, the them_ostat heatanticipator must be set to match the amp draw of the electrical
components in R=WiWl circuit. Accurate amp draw readings can
be obtained at them_ostat subbase terminals R and W.
SHOCK HAZARD
Fig. 56 illustrates an easy method of obtaining actual amp &aw.
The amp reading should be taken after blower motor has started
and furnace is operating in low heat. To operate t\u'nace in
tow=heat, first move SW-I to ON position, then connect ammeter
wires as shown in Fig. 56. The them_ostat anticipator should NOT
be in the circuit while measuring current. If them_ostat has no
subbase, the thermostat mttst be disconnected from R and WiWI
wires during cmTent measurement Return SW-1 to final desired
location after completing the reading.
Failure to %llow this waraiug could result in personal inju W
or death.
Disconnect 115-v electrical power before changing speed tap
For high=heat,
on cmmol:
the %llowing
a. Me&high
b. Med
&
4-speed
-->
-Available
only ou 5-speed
motors.
FactoQ"
for these motors.
c. Me&Low
80K
can be made at HI HEAT
(Yellow)
(()range)
setting
connections
(Blue)
- Do NOT
120K
Btuh
input
Ng_
:
HI GAS-HEAT
on
models.
Factow
for
setting
TERMINALS WITH
THERMOSTAT REMOVED
HOOK-AROUND
VOLT/AMMETER
motors.
UNIT
DAMAGE
HAZARD
Failure
to %llow
this caution
exchangers
use Nr
0
may result in damage
due to over temperature
to the heat
or condensate
corrosion
1 NEVER connect Low Speed (Red) wire to "HI HEAT"
2 Do NOT connect Medium Low Speed (Blue) wire to "HI
-HEAT"
on 80,000 Btuh and 120,000
For tow-heat,
d-_e %llowiug
-HEAT on control:
a Med (Orange)
b. Me&Low
change
remove
-Available
can
be
only on 5=speed
made
at LO
10 TURNS
motors
FROM UNIT 24-VOLT
TERMINAL BLOCK
- Factou-
blower
blower
connections
sizes
(Blue)
c Low (RED)
To
Bmh input model
motor
motor
setting
speed
selections
lead flora control
for
heating
HI-HEAT
EXAMPLE:
mode,
tem_iual.
terminal.
Follow
Reconnect
this
same
procedure
LO-HEAT
and COOL
speed
selection.
Set Blower
Off Delay
original
ibr
FOR THERMOSTAT
SETTING
A80201
Fig. 56--Amp
lead on SPARE
proper
= 0.5 AMPS
(See
Fig 32) Select desired blower motor speed lead t'rom one of d_e
other motor leads and relocate it to HI-HEAT
terminal. See Table
13 ibr lead color identification
50 AMPS ON AMMETER
10 TURNS AROUND JAWS
selection
See
of
thermostat
anticipator
Draw Check with Ammeter
manuii_cturer's
and for varying
When using an electronic
instrllctions
heating
cycle
thermostat,
%r
adjustiug
heat
length.
set cycle rate for 3 cycles per
l'lo_.N"
a Remove
Blower
Access
Door if installed
Step
b. Turn Dip switch
delay.
ADJUST
See Table
BLOWER
2 and 3 ON or OFF %r desired
the
main
lengthened
or shortened
off
blower
when
off
(HEAT
time
operating
the
MODE)
delay
period
in the heating
6--Check
This sectiou
9A and B or Fig. 3i and 32.
OFF DELAY
If desired,
blower
may
be
mode
to
as part
1
49
Controls
covers the safety contlols
installation
pressure
Safety
is complete
The
switch were all checked
of rmrmal
Check
Primary
operation.
Limit
Contlol
that must be checked
flame
sensor,
befbre
gas valve,
in the Start=up procedure
and
section
Thiscontrolshutsoff gascontlolsystem
andenergizes
air-circulating
blower
motorif ihmace
overheats.
Recommended
method
of checking
thislimitcontrol
is to
gradually
block
offremm
airafterfurnace
hasbeen
operating
ibraperiod
ofatleast
5minutes.
Assoon
aslimitcontrol
has
shutoffburners,
return-air
opening
should
betmblocked
to
permit
nom_al
aircirculation
Byusing
thismethod
tocheck
limitcontrol,
it canbeestablished
thatlimitis functioning
properly
andoperates
if there
isarestricted
return-air
supply
ormotorfailureIf limitcontrol
does
notfunction
during
this
test,cause
must
bedetermined
andcon'ected
2. Check
Pressure
This connol
operation
a, Turn
proves
off l15-v
power
inducer.
(beck
switch
door
on 115-v power
pressure
should
not
induce*
motor
to Ihrnace.
is Nnctioning
glow,
is disconnected,
shut
mine reason pressure
con'ect condition.
off 115=v power
inducer
code
ignitor
furnace
switch
and wait 1 minute.
properly,
and status
Code 32. If hot surfhce
f Reconnect
and disconnect
to "call for heat"
switch
ensure
hot surface
LED
flashes
glows
when
down
immediately.
did not function
When
igniter
a Status
inducer
motor
Deter-
properly
and
to furnace.
motor
and mrn on 115-v power
leads, reinstall
main
furnace
door,
supply.
5O
tools and instruments
SW-1
through
desired
blower-OFF
SW-3
settings
delay
3. Verify
flame
4. Verify
that blower
after
ibr
(SW-2
rollout
Clean
up debris
completing
thermostat
manual
reset switch
and outer doors
test furnace
with room
them_ostat
operation
of accessories
per
literature
Guide with
packet
installation
(SW-1)
to
and
owner.
near furnace
has continuity.
are properly
6. (heck
tions.
Users
type
and SW-3).
5. Cycle
8. Leave
flora wire harness.
d. Set thermostat
e. Turn
of draft
to fhmace,
outer/hrnace
lead wires
2. (heck
7. Review
operation
as follows:
b. Remove
c. Turn
Switch
CHECKLmST
l. Put away
installed.
manuihcmrer's
instruc-
CH ECKLmST--BNSTALLATION
LOAD CALCULATION
Condensate
Drain
Heating Load (Btuh)
Unit Level or Pitched Forward
Cooling Load (Btuh)
Internal Tubing Connections
and Traps
Furnace Model Selection
COMBUSTION
External Drain Connection
Sloped
AND VENT PiPiNG
Termination
Free of Kinks
Leak Tight and
Location
Condensate
Trap Primed before Start-Up
Roof or Sidewall
Heat Tape Installed if Required
Termination
Kit -- 2 Pipe or Concentric
Combustion-Air
CHECKLIST--START-UP
Pipe Length
Gas Input Rate
(Set Within 2 percent of Rating Plate)
Combustion-Air
Pipe Elbow Quantity
Temperature
Vent Pipe Length
Thermostat
Rise Adjusted
Anticipator
Vent Pipe Elbow Quantity
Anticipator Setting Adjusted or
Pipe Diameter Determined
from Sizing Table
Cycte Rate (3 Cyctes per Hr) Selected
Pipe Sloped To Furnace
Safety Controls
Check
Pipe Insulation
Primary Limit
Over Ceitings
Pressure Switch
Low-Ambient
Exposed Pipes
5i
Operation
Copyright
2004 CARRIER
Manufacturer
reserves
Book 1 4
Tab
6a 8a
PC 101
Corp. _ 7310 W. Morris St • Mdianapolis,
the right
to discontinue,
CataMg No. 535-80129
or change
IN 46231
58mta7si
at any time, specifications
Printed in USA
Form
or designs
58MTA-7SI
without notice
Pg 52
and without
5-04
incurring
obligations,
Replaces:
58MTA-6SI