Carrier 4-WAY MULTIPOISE FIXED-CAPACITY DIRECT-VENT CONDENSING GAS FURNACE 58MXA Operating instructions

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Carrier 4-WAY MULTIPOISE FIXED-CAPACITY DIRECT-VENT CONDENSING GAS FURNACE 58MXA Operating instructions | Manualzz
58MXA
Deluxe 4-Way Multipoise Fixed-Capacity
Direct Vent Condensing Gas Furnace
HEATING & COOUNG
Visit www.carrier.cmn
Installation, Start-Up, and Operating Instructions
Sizes 040-140, Series 160
Condensate
Trap Freeze
Construct
Horizontal
a Working
Right
Applications
Condensate
Trap Tubing ...................................................
Condensate
Trap Field Drain
a Working
This symbol
entire
instruction
--> indicates
a change
starting
the
AND
.....................................................
2
..........................................................................
STANDARDS
ELECTROSTATIC
DISCHARGE
APPLICATIONS
(ESD)
PRECAUTIONS
13
Location
General
......................................................................................
5
Upflow
Applications
5
.................................................................
Condensate
Trap Location
Orientation)
..........................................................................
5
Condensate
Orientation)
Trap Tubing (Factory-Shipped
..........................................................................
6
Condensate
Trap Location
Orientation)
..........................................................................
Condensate
Trap Tubing
Orientation)
..........................................................................
7
Condensate
Trap Field
Pressure
Upper
Switch
Collector
(Unused)
Drain
Condensate
Downflow
(Alternate
Drain
Box and Inducer
Connections
Trap Freeze
Condensate
Trap Tubing
Condensate
Trap Field
Horizontal
Tubing .......................................................
Trap Freeze
Protection
Trap Location
Condensate
Trap Tubing
Condensate
Trap Field
Manufacturer
Switch
Tubing .....................................................
Catalog
No. 535-80090
16
16
....................................................
.....................................................
16
17
Air Connections
Air Connections
17
18
Gas Piping ...............................................................................
Electrical
Connections
............................................................
18
19
115 v Wiring
.....................................................................
20
24 v Wiring .......................................................................
Accessories
........................................................................
20
21
Direct
Venting
Removal
Vent
.........................................................................
of Existing
Systems
Furnaces
21
fi'om Common
.....................................................................
Combustion-Air
and Vent Piping
23
.....................................
General
8
9
Sequence
9
27
32
32
32
............................................................
Mode ....................................................................
32
32
32
33
Cooling Mode ....................................................................
Thennidistat
Mode ............................................................
35
35
Continuous
Blower
35
Heat Pump
Mode ...............................................................
38
Component
Test .................................................................
38
START-UP
General
Prime
or change at any time, specifications
Printed in U.S.A.
...............................................................................
of Operation
Heating
9
10
..............................................
Application .........................................................................
Condensation
Drain Protection .........................................
9
10
Kit Installation
Multiventing
and Vent Terminations
................................
Condensate
Drain ....................................................................
8
9
reserves the right to discontinue,
PC 101
8
.....................................................
......................
.......................................................
Treatment .......................................
27
9
Attachments
16
16
Termination
..................................................
Drain
14
Filter Arrangement
..................................................................
Bottom Closure Panel .............................................................
Discharge)
..............................................................................
Condensate
Pressure
....................................
............................................................................
8
8
..........................
14
and Downflow
27
.....................................................
Attachment
14
.....................................................
7
8
Left (Supply-Air
Applications
....................................
13
14
Vent Extension
Pipe ..........................................................
Concentric
Vent and Combustion-Air
..................................................
Drain
in Upflow
Supply
Return
6
Housing
...............................................
Protection
Trap Location
Condensate
..........................
............................................................
Condensate
Switch
Attachment
.........................................................................
Legs (If Desired)
General Requirements
Ductwork
Acoustical
Upflow
Tubing .......................................................
Applications
Pressure
Upflow
to Cooling
Installation
in Horizontal
Applications
..................................
Air Ducts .................................................................................
(Factory-Shipped
(Alternate
Relative
...............................................................................
Locations ...............................................................
Leveling
........ 3
5
12
Furnace
3
............................................................................
12
13
3
........................................................
..................................
..........................................
12
12
....................................................................................
Applications
since the last issue.
Protection
Platform
11
General
Equipment
Hazardous
OF CONTENTS
CONSIDERATIONS
INTRODUCTION
CODES
before
........................
..................................................................................
Installation
TABLE
SAFETY
manual
Attachment
LOCATION
INSTALLATION
the
..................................................
Tubing .....................................................
Trap Freeze
Construct
10
11
Trap Location
Switch
10
Discharge)
............................................................................
Condensate
NOTE:
Read
installation.
(Supply-Air
..................................
..........................................
Condensate
Pressure
A93040
Protection
Platform
Mode .................................................
PROCEDURES
........................................................
....................................................................................
Condensate
or designs
Form 58MXA-14Sl
?"
f
. ......................................
Trat_ V_lth
V_ate1
!
without notice
Pg 1
39
39
39
and without incurring obligations.
3-03
Replaces:
58MXA-13Sl
Purge
Gas Lines ......................................................................
40
Adjustments
.............................................................................
Set Gas Input Rate ............................................................
Set Temperature
Adjust
Blower
Set Thermostat
Check
Safety
Check
Check
Checklist
Improper
47
nance,
Mode) ............................
47
sion,
......................................
47
cause personal
48
installer,
48
48
tor or branch
48
listed kits or accessories
when modifying
to follow
could
Rise ........................................................
Off Delay
(Heat
Heat Anticipator
Controls
Primary
Pressure
40
40
............................................................
Limit Control ...........................................
Switch ......................................................
..................................................................................
installation,
fire,
electrical
or
agency,
this warning
and servicing
electrical
should
Untrained
personnel
These
only
by
The
qualified
and
Failure
shock,
fire,
to
basic
heating
due to
qualified
equipment.
maintenance
personneh
precautions
or
and
functions
air filters. All other operations
service
observe
can be hazardous
trained
or service
shipped
When
in literature,
with
unit
must
working
on
on tags, and
and
other
safety
that may apply.
cover
those
the minimum
safety
available
calls.
requirements
and conform
standards and safety codes. In some instances,
exceed
certain local codes and ordinances,
that may not have kept up with changing
tial construction
practices.
We
minimum
for a safe installation.
O
or your distribu-
in electrical
Only
perform
trained
instructions
Wear
may
a qualified
this product.
equipment
and replacing
attached
especially
AIRFLOW
Consult
_actory-authorized
result
repair,
can
to existing national
these instructions
REGISTERED QUALITY SYSTEM
which
or assistance.
use
heating
install,
equipment,
labels
explo-
conditions
damage.
components.
personnel
precautions
mainte-
or death.
gas
such as cleaning
selwice,
poisoning,
local gas supplier,
must
Installing
heating
or other
or property
agency
be performed
monoxide
for information
personal injury,
and
alteration,
carbon
shock,
injury
service
installer
on
adjustment,
or use can cause
glasses
during
and work
start-up
require
these
gloves.
Have
and adjustment
residen-
instructions
as
a
a fire extinguisher
procedures
and service
tr_ [,_T,wj_[,]]]
Sheet metal parts may have sharp edges
wear
appropriate
protective
dling parts. Failure
personal injury.
Recognize
_
LEFT
HORIZONTAL
When
]
safety
you
manuals,
AIRFLOW
AIRFLOW
AIRFLOW
Fig. 1--Multipoise
A93041
Orientations
attention
temperature
installation
servicing
of this furnace
given to vent sizing
rise,
unit
premature
identifies
component
hazards
which
could result
is used
to identify
injury
suggestions
unit
and
practices
symbol
with
hazards
would
damage.
will result
CAU-
which will
WARNING
which
or
the safety-alert
signifies
injury or death.
and property
zJ)x •
in instructions
WARNING,
are used
in personal
in
injury.
DANGER,
or death.
han-
result
CAUTION
result
NOTE
in enhanced
in minor
is used
to
installation,
or operation.
58MXA
Multipoise
rating
plate)
sizing.
Improper
closets,
can require
excessive
factory-shipped
_ailure.
when
could
the most serious
which
gas input rate, air
special
caution
for personal
injury
unsafe
design-certified
with
on the
words
or product
C.S.A.
and unit
of furnace
personal
The
be indoors
this
words:
DANGER
reliability,
and material,
leveling,
or misapplication
or cause
should
signal
in severe
highlight
¥:I ["]2lli][,]'/l
Application
these
or bun's. Use care and
and gloves
This is the safety-alert
symbol
These
personal
SAFETY CONSIDERATIONS
information.
this
and NOTE.
symbol.
result
to Ibllow
be alert to the potential
Understand
TION,
©
see
clothing
and
utility
conversion
Condensing
Ibr natural
for installation
rooms,
with
kit is required
Furnaces
are
gases (see furnace
in alcoves,
attics,
crawlspaces,
for use
Gas-Fired
and propane
and garages.
natural
to convert
gas.
furnace
basements,
The
A C.S.A.
furnace
listed
is
gas
for use with propane
gas.
See Fig. 3 for required
Maintain
a 1-in. clearance
ductwork
for a distance
See NFPA
These
90B or local
furnaces
SHALL
clearances
of 36 inches
NOT
installations,
be installed
material
factory
materials
horizontally
code for further
tile, or any other combustible
downflow
to combustibles.
from combustible
to supply
requirements.
directly
on carpeting,
other than wood flooring.
accessory
air
fi'om the fumace.
floor
base
MUST
In
be
other
used
when
installed
oncombustible
materials
andwoodflooring.
Special
baseis notrequired
whenthisfuruace
is installed
on
manufacturer's
CoilAssembly
PartNo.CD5orCK5,orwhen
(?oil
BoxPartNo.KCAKC
isused.
The58MXA
040through
120sizeunitsareC.S.A.
(AGAand
CGA)design-certified
foruseinmanufactured
(mobile)
homes
when
factory
accessory
conversion
kitisused.
The140sizeunitis
NOTdesign-certified
forusein manufactured
(mobile)
homes.
These
li_rnaces
aresuitable
forinstallation
inastructure
builton
siteoramanufactured
building
completed
atfinalsite.Thedesign
ofthisli_rnace
lineisNOTC.S.A.
design-certified
forinstallation
inrecreation
vehicles
oroutdoors.
---->
ThisIi_rnace
is designed
for continuous
return-air
minimum
temperature
of60OFdborintermittent
operation
down
to55°Fdb
suchaswhenused
withanightsetback
thermometer.
Return-air
temperature
mustnotexceed
85°Fdb.Failure
to followthese
return
airlimitsmayaffect
reliability
ofheatexchangers,
motors
andcontrols.
SeeFig.4.
These
fumaces
areshipped
withthe&ainandpressure
tubes
connected
forUPFLOW
applications.
Minormodifications
are
required
when
used
inDOWNFLOW,
HORIZONTAL
RIGHT,
or
HORIZONTAL
LEFT(supply-air
discharge
direction)
applicationsasshown
inFig.1.Seedetails
inApplications
section.
Thisfuruace
mustbeinstalled
withadirect-vent
(combustion
air
andfluegas)system
andafactory
accessory
termination
kit.Ina
direct-vent
system,
allairforcombustion
istaken
directly
fromthe
outdoor
atmosphere
andfluegases
aredischarged
totheoutside
atmosphere.
Seefi._rnace
andfactory
accessory
vent-air
intake
termination
kitinstructions
forproper
installation.
These
furuaces
areshipped
withthefollowing
materials
toassist
in
proper
li_rnace
installation.
These
materials
areshipped
inthemain
blower
compartment.
Installer Packet includes:
Step
----> •
Collector Box or condensate
trap extension tube
----> •
National
National
Step 2--General
•
MA 02269;
Association,
onto),
Ontario,
•
US: Section
Ventilation
CANADA:
Supply
Step 4---Duct
----> •
Step
•
5--Acoustical
tested
6--Gas
and
and Air
and
edition
Fibrous
Glass
of SMACNA,
181 for Class I Rigid
Duct
NFPA
90B as
Air Ducts
CANADA:
NSCNGPIC
7--Electrical
Gas Pipe
Engineers
34.
Pressure
Testing
plumbing
codes
Parts 3, 4, 5, A, B, E, and H.
Connections
DISCHARGE
(ESD)
70-2002
PRECAUTIONS
¥:I ['_Xlii][,]'/1
installation
i.
discharge
can
during
the fi.lrnace
affect
fi_rnace
electronic
discharges
are held during
exposing
electronic
installation
control.
Precautions
fi'om personnel
the procedure.
the control
the fi_rnace, the control,
components.
and servicing
These
will
to
pre-
and hand
tools
precautions
will
to electrostatic
discharge
and the person
at the same
potential.
Disconnect
all power
to the furnace.
Multiple
disconnects
may
be required.
DO NOT TOUCH
THE CONTROL
OR ANY
WIRE CONNECTED
TO THE CONTROL
PRIOR TO DISCHARGING
The model 58MXA 4-way multipoise, Gas-Fired, Category IV,
direct-vent condensing furuace is available in model sizes ranging
in input capacities of 40,000 to 138,000 Btuh.
STANDARDS
and local codes and standards
must comply
local building,
Lining
ELECTROSTATIC
INTRODUCTION
gas supplier,
Systems
US: National Electrical
Code (NEC) ANSIiNFPA
CANADA:
Canadian
Electrical Code CSA C22.1
* ONLY supplied with some furnaces.
of the serving
Venting
2, 3, 4, and 9 and national
electrostatic
The installation
Combustion
and
by putting
these instructions.
for
chapters
!*
all national
Air
Piping
help to avoid
Follow
Sales,
(Tor-
Air
US: NFGC;
1
AND
and
-B149,1
contact the American
Gas
Washington
DC 20001
NFGC,
cun'ent
by UL Standard
2
CODES
Gas
1R3, Canada.
of" the
US and CANADA:
which
to accessory
Natural
CANiCGA
ety of Heating, Refrigeration,
and Air Conditioning
(ASHRAE)
2001 Fundamentals
Handbook
Chapter
vent electrostatic
refer
ANSI
Air Heating
Systems
3
details,
54-2002
US and CANADA:
Air Conditioning
Contractors
Association
(ACCA)
Manual D, Sheet Metal and Air Conditioning
Contractors National Association
(SMACNA),
or American
Soci-
protect
installation
of Canada,
(NSCNGPIC)
Part 7 of the NSCNGPIC,
2
----> For accessory
instructions.
for
for Appliances
Vent and combustion-air
Vent Pipe Extension
NFPA
and Ventilation
5.3
Take precautions
disk assembly
all codes and standards
(NFGC)
Standard
M9W
Electrostatic
intake hole filler plug
Code
Code
Step a--Combustion
1
pipe perforated
must
CANADA:
NSCNGPIC.
For a copy, contact Standard
CSA International,
178 Rexdale
Boulevard,
Etobicoke
1
Combustion-air
follow
or for only the NFGC
400 N. Capitol, N.W.,
Drain tube coupling grommet
Vent and combustion-air
installation
and all authorities
Installation
Drain tube coupling
trap hole filler plug
the
below
US: NFGC and the NFPA 90B. For copies, contact the National
Fire Protection
Association
Inc., Batterymarch
Park, Quincy,
1
2
Condensate
Gas
Propane Installation
-and.2 M-00
Inducer housing drain tube
1/2-in CPVC street elbow
pipe support
and Canada,
Fuel
CANADA:
•
1
codes,
listed
Z223.1-2002
and the Installation Standards,
Warm
and Air Conditioning
Systems ANSI NFPA 90B
Step
Quantity
1
States
local
codes
1--Safety
US:
User's Information Manual
Loose Parts Bag includes:
Pressure tube extension
of
the following:
•
Warranty Certificate
In absence
In the United
Step
Installation, Startup, and Operating Instructions
Service and Maintenance Instructions
codes.
comply with the national
having jurisdiction.
heating,
to
with regulations
plumbing,
and
BODY'S
ELECTROSTATIC
2. Firmly touch the clean, unpainted,
chassis
which
hand during
in addition
YOUR
CHARGE
TO GROUND.
3. After
touching
control
recharge
grounding
body
Tools
wires
discharged.
you may proceed
as long
with static
as you
electricity
of the furnace
held in a person's
will be satisfactorily
the chassis,
or connecting
your
metal surface
is close to the control.
to service
do nothing
(for example;
the
to
DO
,d>
AIRFLOW
22 %d'
_A_
TRAP LOCATION
(DOWNFLOW
&
HORIZONTAL
LEFT)
7
OUTLET
.
TYP
:6, '
J_
CONDENSATE
DRAIN
TRAP
LOCATION
(DOWNFLOVV
POWER
GAS
TL
AiR CONN
&
HORIZONTALRIGHT)
OR ALTERNATE
/zqNDiAGAS CONN
CONN
CONN
"_
1
ENTRY
_
--_
_
/_.j,/
P2qND_A
GASCONN
_/sIN DIA
ii_
2_N
POWER CONN +
COMBUSTION
THERMOSTAT
ENTRY
39_"
}'s IN DIA
ACCESSORY
POWER
ENTRY
14 _#"
TYPi
[7
I
I
i
SIDEINLET
I (
DRAIN TRAP
LOCATION
(ALTERNATE
UPFLOWI
i
!8 _/4,
,
9 _m_
TYP
_
+b, ..................
'1L--
_z]
!
!
14"
1 "_
I
23 'A" TYP
_/6" J
),F'
NLEt T
DRAIN LOCATION
(UPFLOW)
DRA_NLOCA_ON
(UPFLOW)
DIMPLELOCATORS
FORHORIZONTAL
HANGING
SIDE_/GrrTyP
INLET
26
4_
NOTES:
BOTTOMINLET
1. Minimum returmair openings at furnace, based on metal duct, If flex duct is used,
see flex duct manufacturer's recommendations
for equivalent diameters,
2, Minimum returmair opening at furnace:
a, For 800 CFM-16qn, round or 14# x 12-in, rectangle,
b, For 1200 CFM-20-im round or 14/2 x 19 #qn, rectangle,
c, For 1600 CFM-22-in, round or 14# x 23/_qn, 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 1 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
040-08
17-1/2
15-718
16
040-12
17-1/2
15-718
16
060-08
17-1/2
15-718
16
060-12
17-1/2
15-7/8
16
060-16
17-1/2
15-7/8
16
080-12
17-1/2
15-7/8
16
080-16
17-1/2
15-7/8
16
080-20
21
19-3/8
19-1/2
100-16
21
19-3/8
19-1/2
100-20
21
19-3/8
19-1/2
120-20
24-112
22-7/8
23
140-20
24-112
22-7/8
23
A02149
Fig. 2--Dimensional
Drawing
INSTALLATION
• This forced air furnace is equipped for use with naturN gas at altitudes 0 - 10,000 ft (0 - 3,050m), except 140 size furnaces are only approved for altitudes 0 - 7,000 ft.
(0 - 2,135m).
• An accessory kit, supplied by the manufacturer, shall be used to convert to propane gas use or may be required for some natural gas applications.
• This furnace is for indoor installation in a building constructed on site. Ti_is furnace may be installed in a manufactured (rsebile) home _M'_enstated on rating plate and
usin factory authorized kit.
Thiqgfumace may be installed on combustive flooring in alcove or closet at Minimum Inches Clearance To Combustible Construction as described below.
This furnace requires a special venting system. Refer to the installation instructions for parts list and rcethod of installation. This furnace is for use with scbedule40 PVC,
PVC-DV%/, CPVC, or ABS-DWV pipe, and must not be vented in comman with other gas-fired appliances. Construction through _M'ich vent/air intake pipes may be
installed is rnaximam 24 inches (600 ram), minimum 3/4 incbes (19 ram) thickness (induding roofing materials).
LEVEL (0")TO
1/2" MAX
For upflow and downflow applications, furnace must be installed level, or pitched within 1/2" of level. Fora
horizontal application, the furnace must be pitched minimum 1/4" to maximum of 1/2" forward for proper
drainage. See installation Manual for IMPORTANT unit support details on horizontal applications.
UPFLOW
MIN 1/4'rTO 1/2" MAX
OR
DOWNFLOW
HORIZONTAL
MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION
This furnace is approvedfor UPFLOW, DOWNFLOWand
HORIZONTALinstallations
ALL POSITIONS:
-.e Mh_imum front clearance for service 30 inches (762rnm).
1 1 140 size furnaces require 1 inch back clearance to combustible
DOWNFLOWPOSITIONS:
materials.
Clearance arrows
do not change with
furnace orientation.
1- For installation on sembustible floors only when installed on special base No. KGASB0201ALL
Coil Assembly, Part No. CD5 or CK5, or Coi! Casing, Part No. KCAKC.
HORIZONTAL POSITIONS:
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 show]_ is for air inlet and air outlet ends.
120 and 140 size furnaces require 1 inch bottom clearance to combustible materials.
Vent clearance to
combustibles0"
Clearance in inches.
328066-20t REV. A
LIT -TOP
J
A02248
Fig. 3--Clearances
___>
to Combustibles
6. Before
your
MAX 85°F
removing
body's
control
from
furnace,
follow
or yourself
controls
a new control
electrostatic
damage.
items
in contact
into containers
7. An ESD service
also be used
Local
MIN 550F
__R_UR_N-N
'i
A93042
Fig. 4--Return-Air
NOT
move
objects,
4.
shuffle
your
feet,
do
not
touch
ungrounded
If you
touch
static
electricity),
Use this
fumaces.
ungrounded
of the
objects
firmly
furnace
procedure
again
for
(and
touch
a
before
installed
and
recharge
clean,
touching
uninstalled
your
unpainted
control
body
1 through
4 before
before
discharge
to protect
is to be installed
with the furnace.
touching
bringing
the
in a
the control
Put all used
and new
ungrounded
objects.
from commercial
sources)
may
ESD damage.
a drain pan under
condensate
trap when a condensing
application
or over
a finished
furnace
entire furnace
and
is used in an attic
ceiling.
APPLICATIONS
Step l--General
Some assembly and modifications
are required for furnaces
installed in any of the 4 applications shown in Fig. i. All drain and
pressure robes are connected as shown in Fig. 6. See appropriate
application instructions for these procedures.
Step 2--Upflow
Temperature
etc.).
suriZace
5.
or
codes may require
to ground
If the control
kit (available
to prevent
fi'om its container,
charge
Applications
An upflow furnace application is where furnace blower is located
below combustion and controls section of furnace, and conditioned
air is discharged upwards.
with
metal
or wires.
(ungrounded)
CONDENSATE TRAP LOCATION
ORIENTATION)
(FACTORY-SHIPPED
The condensate trap is factory installed in the blower shelf and
factory connected for UPFLOW applications. A _aetory-supplied
BLOWER
SHELF
T- FURNACE
i;
CONDENSATE
_DOOR
\
CONDENSATE
_
TRA;uRNAC
FURNACE
--
E i Z
OOR
SIDE, i"
TRAP (tNSlDE)
L
FURNACE
SIDE
I
FIELD ii_
DRAIN
CONN
261/4
FIELD[--/ 4 ¾
1 /2
DRAIN
CONN
TUBE LOCATION
SIDE VIEW
CONDENSATE
TRAP -DRAIN TUBE LOCATION
FRONT VIEW
END VIEW
HORIZONTAL
APPLICATIONS
DOWNFLOW AND ALTERNATE
EXTERNAL UPFLOW APPLICATIONS
UPFLOW APPLICATIONS
7
(OPTIONAL)
FRONT VIEW
¼0D
COLLECTOR
TRAP
RELIEF
/
.,.i 11/2 !
½0D
INDUCER
DRAIN
BOX TO
PORT
HOUSING
CONNECTION
OD
COLLECTORBOX
DRAIN
CONNECTION
SCREW
HOLE
FOR
UPFLOW
OR DOWNFLOW
APPLICATIONS
(OPTIONAL)
GUIDES
(WHEN
V_-IN
PVC
OR
CPVC
USED)
FRONT VIEW
SIDE VIEW
A93026
Fig. 5--Condensate
tube is used to extend the condensate
desired furnace side for field drain
Trap Tubing
extension
(Factory-Shipped
details.
trap drain
attachment.
Orientation)
connection to the
See Condensate
section
for drain robe
Trap
b. Remove
and discard
desired side.
c. Install
(See Fig. 5.)
CONDENSATE
TRAP
TUBING
(FACTORY-SHIPPED
d. Slide
ORIENTATION)
NOTE:
confirm
i.
Collector Box Drain, Inducer
Pressure Switch Tubes.
tubes
pressure
robes
should
drain
label),
label
label
and pressure
field attachment
a. Determine
trap
Relief
Port, and
to condensate
location
These
and also
robes are identified
robe (blue label),
relief
tube (pink
drain
connection
inducer
as
tube coupling
Ifintemal
be extended
for
the following:
(factory-supplied
(_actory-supplied
ensuring
in
in loose
long end of coupling
parts
faces
1/2-in.
street CPVC
Fig.
be
6.) These
Failure
draining.
f. Connect
elbows
to use CPVC
larger
supplied
must
to condensate
parts
to
trap. (See
together
and
trap drain connection.
elbows
diameter
in loose
cemented
elbows
may allow &ain to kink and
drain
robe
and
clamp
(factory-
trap
and clamp
bag) to condensate
securely.
g. Route
robe to coupling
h. Attach
tube to coupling
CONDENSATE
TRAP
and cut to appropriate
and clamp
LOCATION
length.
securely.
(ALTERNATE
UPFLOW
ORIENTATION)
of field drain connection.
(See Fig. 2 or
An alternate
of casing.
filter or side Filter.Media
grommet
from
hole.
on the condensate
prevent
(green
label).
6.)
NOTE:
casing
2 factory-supplied
NOTE:
housing
port tube
must
grommet
button
the rigid drain tube connection
cemented
trap and
applications.
connection
These
coupling
hole plug
door to
Tube
by doing
location
furnace
Drain,
attached
or molded),
switch
Trap Drain
condensate
tube.
box &ain
(violet
2. Condensate
The
on main
Housing
by their
on each
collector
tube
&ain
e. Cement
be _actory
can be identified
follows:
label
switch ready for use in UPFLOW
by a color
tube
drain
bag) in selected
bag) through
blower.
See Fig. 6 or robe routing
location of these robes.
These
&ain
loose parts
casing
Cabinetis
tube should be located to opposite side of casing
attachment
to assist in filter removal.
used, &ain
from remm
duct
NOTE:
location
If the alternate
the fi_ctory-connected
nected
for the condensate
trap is the left-hand
side
(See Fig. 2 and 7.)
and modified
left-hand
side of casing
&ain and relief
for attachment.
port tubes
location
is used,
nmst be discon-
See Condensate
Trap Tubing
PLUG
©
COLLECTOR
DRAIN
TUBE
& WHITE
(BLUE
DRAIN
STRIPED)
TUBE
(PINK)
COLLECTOR
TUBE
©
CAP
BOX
TUBE
(BLUE
& WHITE
STRIPED)
COLLECTOR
TUBE
BOX
(PINK)
COLLECTOR
BOX
BOX
TUBE
(GREEN)
(GREEN)
COLLECTOR
INDUCER
HOUSING
(MOLDED)
DRAIN
BOX
TUBE
(BLUE)
DRAIN
TUBE
(BEHIND
COLLECTOR
BOX
DRAIN
TUBE)
COLLECTOR
DRAIN
O O
BOX
TUBE
(BLUE)
HOUSING
DRAIN
FACTORY-SUPPLIED
DRAIN
TUBE
COUPLING
DRAIN
TUBE
(VIOLET)
(LEFT
OPTION)
A94164
FIELD-INSTALLED
FACTORY-SUPPLIED
DRAIN
TUBE
FIELD-INSTALLED
FACTORY-SUPPLIED
DRAIN TUBE
COUPLING (RIGHT
DRAIN OPTION)
FIELD-INSTALLED
FACTORY-SUPPLIED
//2-IN
CPVC
STREET
ELBOWS
LEFT DRAIN
(2) FOR
OPTION
Fig. 6--Factory-Shipped
Upflow Tube
Configuration
(Shown with Blower Access Panel
Removed)
Upflow
To relocate
Orientation)
condensate
section
trap
to the
lbr tubing
left-hand
Upflow Configuration
Location
CONDENSATE
TUBING
NOTE:
confirm
i.
perfoml
the
following:
See Fig. 7 or tube routing
location of these tubes.
Collector
Box Drain
Connect
collector
NOTE:
On
con'ugated
i. Remove
3 tnbes
connected
2. Remove trap from blower
and rotating trap.
3. Install
casing
hole
bag) into blower
to condensate
trap.
17-1/2
filler
cap (_actory-supplied
tabs inward
in loose
inserting
rotating
5. Fill
robe
until
unused
into
connection
tabs snap
condensate
caps (_actory-supplied
left-hand
stubs
into locking
trap
in loose
casing
door to
label)
to condensate
kinks
Housing
a. Remove
Drain
and discard
parts
ONLY,
cut tube between
from occurring.
Tube
LOWER
(molded)
was previously
inducer
connected
housing
to condensate
trap.
trap was removed.
Casing hole filler cap must be installed in blower shelf hole
when condensate trap is relocated. Failure to follow this
warning could result in electrical shock, fire, personal injury
or death.
trap
robe (blue
furnaces
housing
_actory-supplied
inducer housing
condensate
drain
in. wide
b. Use inducer
4. Install
furnace
Tube
box
drain tube which
shelf hole where
UPFLOW
label on main
to prevent
sections
2. Inducer
shelf by gently pushing
(ALTERNATE
trap.
attachment.
side,
TRAP
and Trap
ORIENTATION)
A94163
(Alternate
Fig. 7--Alternate
side
through
casing
casing
hole
hole
c. Determine
d. Clamp
3. Relief
by
tube (violet
label and
appropriate
tube to prevent
length,
cut, and connect
any condensate
tube.
leakage.
Port Tube
a. Connect
relief
port tube (green
label)
to condensate
trap.
and
b. Extend this tube (if required) by splicing to small diameter
tube (factory-supplied
in loose parts bag).
position.
holes
drain extension
in loose parts bag) to connect LOWER
drain connection
to the condensate
trap.
with
plastic
filler
c. Determine
parts bag).
CONDENSATE
Refer
to
procedures.
appropriate
TRAP
Condensate
FIELD
Drain
length,
cut, and connect
DRAIN
section
tube.
ATTACHMENT
for recommendations
and
COLLECTOR
DRAIN TUBE (BLUE)
PLUG
TUBE
(GREEN)
EXTENSION
O
F
PLUG
F
CAP
O
-COLLECTOR
BOX
DRAIN TUBE(BLUE)
TUBE
_
TUBE
(PINK)
COLLECTOR
TUBE
(PINK)
BOX
COLLECTOR
BOX
TUBE
COLLECTOR BOX
EXTENSION TUBE
COLLECTOR
DRAIN
TUBE
& WHITE
(BLUE
_-
COLLECTOR BOX
DRAIN TUBE (BLUE
& WHITE STRIPED)
COLLECTOR BOX
EXTENSION TUBE
INDUCER HOUSING
DRAIN TUBE
}1 I
(VIOLET)
STRIPED)
EXTENSION
(GREEN)
TUBE
TRAP
_1I"_-- CONDENSATE
©
_1_
]_--
TRAP
COLLECTOR
BOX
EXTENSION
INDUCER
DRAIN
Fig.
HOUSING
TUBE
8--Downflow
(VIOLET)
_DRAINcouPLINGTUBE
_lr
Tube Configuration
Trap Installation)
(Left-_6c_
Fig. 9--Downflow
DRAIN TUBE
Tube Configuration
Trap Installation)
PRESSURE SWITCH TUBING
CONDENSATE
TRAP
The LOWER collector box pressure robe (pink label) is factory
connected to the pressure switch and should not require any
modification.
The condensate
trap must
NOTE:
See Fig. 6 or 7 or tube routing
To
to check
for proper
UPPER
Upper
DRAIN
Collector
Attached
BOX
factory-installed
Drain
UPPER
AND
INDUCER
HOUSING
collector
plugged
drain
connection
NOTE:
See Fig. 6 or 7 or tube routing
to check
for proper
Inducer
Attached
tube (blue and white
striped
leakage
label on main
in this
furnace
Housing
Drain
from the factory-installed
in selected
application
location
relocate
condensate
perform
trap
fi'om
the
blower
shelf
to desired
the following:
i. Remove
3 tubes
connected
2. Remove
trap from blower
to condensate
trap.
shelf by gently
pushing
tabs inward
trap.
casing
hole filler cap from casing hole.
(See Fig. 2, 8,
or 9.)
4. Install casing hole filler cap into blower
was removed.
shelf hole where
trap
door
(unused)
___> Casing
Connection
inducer
housing
This cap is used to prevent
in this application.
Ensure
this connection
NOTE:
See Fig. 6 or 7 or tube routing
to check
for proper
drain connection
condensate
leakage
condensate
warning could
or death.
trap
result
be installed
is relocated.
in electrical
in blower
Failure
shelf hole
to follow
shock, fire, personal
this
injury
is capped.
label on main
furnace
door
connections.
5. Install
condensate
robe connection
trap
section for recommenda-
Applications
A downflow furnace application is where furnace blower is located
above combustion and controls section of furnace, and conditioned
air is discharged downwards.
CONDENSATE
into desired
stubs through
tabs snap into locking
TRAP FREEZE PROTECTION
Refer to Condensate Drain Protection
tions and procedures.
hole filler cap must
when
is a cap and clamp.
Step 3--Downflow
be removed
and relocated
connections.
to the UPPER
CONDENSATE
is a
LOCATION
in Fig. 2, 8, or 9.
3. Remove
box
label). This robe is plugged to prevent condensate
application.
Ensure this tube is plugged.
Upper
as shown
and rotating
Connection
corrugated,
shelf location
location,
CONNECTIONS
Box
to the
door
connections.
COLLECTOR
(LEX'USED)
label on main furnace
blower
(Right-_6c_
TRAP
until
label on main fumace
door
T
TLBING
See Fig. 8 or 9 or robe routing
to check
for proper
Relocate
robes
a. Remove
hole by inserting
hole and rotating
position.
NOTE:
i. Collector
casing
casing
connections.
as described
Box Drain
below.
Tube
factory-installed
drain tube (blue and white
plug from LOWER
striped
label).
collector
box
b. Install
removed
clamp
andplugintoUPPER
collector
box
&ainrobe(bluelabel)
whichwasconnected
tocondensate
trap.
c.Connect
LOWER
collector
boxdrainconnection
tocondensate
trap.
(1.)Condensate
TrapLocated
onLeftSideofCasing
(a.)Connect
LOWER
collector
box&aintube(blue
andwhitestriped
label)
tocondensate
trap.Tube
does
notneed
tobecut.
(b.)Clamp
tubetoprevent
anycondensate
leakage.
(2.)Condensate
TrapLocated
onRightSideofCasing
(a.)Installdraintubecoupling
(factory-supplied
in
loosepartsbag)intocollector
boxdraintube
(blueandwhitestriped
label)
whichwaspreviously
plugged.
(b.)Connect
largerdiameter
&aintube(facto
Wsupplied
in loosepartsbag)to&ainrobecoupling,extending
collector
boxdraintubefor
connection
tocondensate
trap.
(c.)Route
extended
collector
box&ainrobedirectly
fromcollector
box&aintocondensate
trapas
shown
inFig.9.
(d.)Determine
appropriate
length
andcut.
(e.)Connect
tocondensate
trap.
(f.) Clamp
robe
toprevent
anycondensate
leakage.
2. Inducer
Housing
a. Remove
housing
b. Remove
and
cap
and
clamp
from
discard
UPPER
(molded)
was previously
LOWER
inducer
connected
housing
to condensate
trap.
c. Install cap and clamp on UPPER inducer housing
connection
where molded &ain tube was removed.
d. Use
inducer
supplied
housing
housing
in loose
&ain
e. Connect
&ain
parts
housing
&ain
LOWER
inducer
to the condensate
trap.
drain
to condensate
connection
(2.)
Trap Located
(a.)
Detemfine
(b.)
Connect
(c.)
Clamp
tube to prevent
Condensate
Trap Located
(a.)
inducer
Route
directly
(b.)
Connect
(d.)
Clamp
Switch
CONDENSATE
TRAP
to Condensate
for proper
i.
Disconnect
pressure
collector
drain
housing
PRESSURE
appropriate
length
robe to condensate
tube to prevent
One collector
by splicing
Tubing
FIELD
door
tube (pink label)
attached
to
pressure
tube (green
to condensate
to small diameter
label)
which
was
trap relief port connection
robe @actory-supplied
in loose
3. Connect collector
switch connection
box pressure tube (green label)
labeled COLLECTOR
BOX.
to pressure
4. Extend
box pressure
which
collector
previously
connected
ing small diameter
5. Route
tube
to pressure
(pink
label)
switch by splicing
robe @actory-supplied
this extended
tube (pink
was
to remain-
in loose
parts bag).
label) to condensate
trap relief
port connection.
6. Determine
7. Clamp
appropriate
CONDENSATE
Refer
length,
tube to relief
TRAP
to Condensate
cut, and connect
tube.
port connection.
FREEZE
Drain
PROTECTION
Protection
section
for recommenda-
tions and procedures.
4---Horizontal
Left (Supply-Air
Discharge)
A horizontal
left furnace application
is where fln'nace blower is
located to the right of combustion
and controls section of furnace,
and conditioned
air is discharged
CONDENSATE
TRAP
The
condensate
as shown
To
trap
to the left.
LOCATION
must be removed
shelf location
and relocated
from the fi_ctory-installed
in selected
application
location
in Fig. 2 or 10.
relocate
condensate
perform
Remove
3. Install
trap
from
the blower
shelf
to desired
the following:
3 tubes
connected
to condensate
trap l}om blower
trap.
shelf by gently
pushing
tabs inward
trap.
casing
hole filler
bag) into blower
cap (factory-supplied
shelf hole where
in loose
parts
trap was removed.
leakage.
Side of Casing
tube (violet
label)
to condensate
trap
4. Install
and cut.
condensate
inserting
trap.
rotating
any condensate
leakage.
robe
until
5. Fill unused
section
for connection
DRAIN
ATTACHMENT
section
for
procedure.
trap
recommendations
NOTI=:
and
check
for use when
fi_rnace is installed
in UPFLOW
to
left-hand
stubs
trap
casing
in loose
parts
bag)
hole
hole
by
and
position.
holes
with
plastic
filler
bag).
label on main fl_rnace
door to
connections.
Box Drain
Tube
drain tube coupling
into collector
previously
casing
casing
TUBING
See Fig. 10 or tube routing
Collector
side
through
tabs snap into locking
TRAP
for proper
a. Install
robe (pink label) is t_actory connected
into
connection
condensate
CONDENSATE
TUBING
box pressure
label on main fumace
parts bag).
i.
switch
box
caps (factory-supplied
Drain
SWITCH
box pressure
connected
and rotating
and cut.
any condensate
applications.
connections.
collector
previously
trap.
on Right
to the pressure
RIGHT
switch.
2. Extend
i.
procedures.
the pressure
See Fig. 8 or 9 or robe routing
to check
Port Tube
Refer to Pressure
Refer
length
for the
in Fig. 9.
Determine
(c.)
housing
from inducer
as shown
3. Relief
appropriate
be connected
or HORIZONTAL
NOTI=:
on Left Side of Casing
robe to condensate
MUST
in DOWNFLOW
2. Remove
Condensate
and used
port connection
relief
switch
location,
trap.
(1.)
be disconnected
trap
blower
label and factory-
bag) to connect
connection
inducer
tube (violet
tube MUST
trap relief port robe. The other collector box pressure
label) which was factory connected
to the condensate
Applications
drain connection.
tube which
This
condensate
tube (green
Step
Tube
factory-installed
inducer
&ain
Drain
applications
connected
(factory-supplied
box drain
tube (blue
to condensate
trap.
in loose
label)
which
parts
was
PLUG --
AUXILIARY
"J" BOX _/
CAP
COLLECTOR BOX
DRAIN TUBE
(BLUE AND WHITE STRIPED)
O
Ii
O
CONDE T
COLLECTOR BOX
TUBE (GREEN)
DRAIN TUBE (VIOLET)
BOX EXTENSION
DRAIN TUBE
BOX
DRAIN TUBE (BLUE)
COLLECTOR BOX
EXTENSION TUBE
DRAIN TUBE COUPLING
RELOCATE TUBE BETWEEN
COLLECTOR BOX TUBE (PINK)
BLOWER SHELF AND INDUCER HOUSING FOR
040, 060, AND 080 HEATING INPUT FURNACES
A00215
Fig. lO--Horizontal
b. Connect
large
supplied
extended
d. Clamp
robe
and clamp
PRESSURE
(fi_ctoryextend-
The
box drain robe.
to condensate
extended,
tube to prevent
Drain
any condensate
leakage.
drain
and discard
robe which
LOWER
(molded)
was previously
inducer
connected
housing
b. Use inducer
housing
factory-supplied
inducer
housing
c. Determine
d. Clamp
3. Relief
LEFT
drain extension
in loose
drain
appropriate
tube to prevent
parts
connection
length,
tube (violet
label and
to connect
LOWER
bag)
to the condensate
cut, and connect
any condensate
2. Use
collector
ously connected
diameter
b. Route
tube (factory-supplied
extended
connection
c. Determine
d. Clamp
CONDENSATE
Refer
to
box robe (green
label)
to the condensate
collector
which
box pressure
trap.
appropriate
cut, and connect
tube to prevent
TRAP
Condensate
FIELD
Drain
length,
DRAIN
section
4. Determine
pressure
port
tube.
leakage.
ATTACHMENTS
for
tube (pink label)
attached
to
robe
(factory-supplied
in item
in loose
parts
1.
housing.
blower
shelf and inducer
motor
housing.
bracket.
inducer
recommendations
switch
to Condensate
tions
and procedures.
Construct
procedures.
platfoml
switch.
and reconnect
COLLECTOR
robe
BOX.
PROTECTION
Protection
section
for recommenda-
PLATFORM
where
are met. (See Fig. 3 and 11.)
10
cut,
labeled
FREEZE
Drain
A WORKING
working
and pressure
length,
connection
TRAP
Refer
CONSTRUCT
and
motor
appropriate
CONDENSATE
any condensate
door to
robe:
inducer
d. Between
to small
bag).
tube to relief
on the condensate
in
was previ-
trap by splicing
in loose parts
switch
below.
robe disconnected
inducer
c. Behind
a. Extend
be disconnected,
to the pressure
label on main furnace
box pressure
diameter
extended
b. Between
Port Tube
MUST
switch.
a. Behind
leakage.
tube
is factory
is installed
applications.
collector
smaller
3. Route
label)
connections.
bag) to extend
tube.
This
tube as described
pressure
trap.
tube (pink
for use when furnace
See Fig. 10 or tube routing
i. Disconnect
trap.
switch
and then reconnected
for proper
Modify
to condensate
box pressure
applications.
rerouted,
NOTE:
check
a. Remove
collector
HORIZONTAL
Tube
TUBING
to the pressure
in UPFLOW
trap and cut
length.
Housing
SWITCH
LOWER
connected
tube (blue label)
to appropriate
2. Inducer
drain
in loose parts bag) to &ain tube coupling,
ing collector
c. Route
diameter
Left Tube Configuration
all required
furnace
clearances
to
INTAKE
A 12-1N
SECTION
30"
MIN HORIZONTAL
IS RECOMMENDED
SHORT
(5 TO 8 FT) VENT
TO REDUCE
EXCESSIVE
CONDENSATE
DROPLETS
EXITING
THE VENT
PIPE
MIN
SHUTOFF
GAS VALVE
PIPE
WITH
SYSTEMS
FROM
ACCESS OPENING
FOR TRAP
DRAIN
SEDIMENT
TRAP
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. l 1--Attic
Location and Working Platform
CONDENSATE
The
The condensate
trap MUST
Fig. 5 for dimensions.
trap must
be installed
The
also be properly
drain
sloped
below
furnace.
See
connection
to condensate
to an open
&ain.
i.
Right (Supply-Air
relocate
must be removed
and relocated
condensate
perform
Remove
from the fMtory-installed
in selected
application
location
fi'om
connected
the blower
to condensate
trap from blower
and rotating
3. Install
trap
shelf
to desired
the following:
3 tubes
2. Remove
trap.
shelf by gently
pushing
tabs inward
trap.
casing
hole filler
bag) into blower
Discharge)
LOCATION
in Fig. 2 or 12.
location,
NOTE: A 12-in. minimum offset pipe section is recommended
with short (5 to 8 It) vent systems. This recommendation is to
reduce excessive condensate &oplets from exiting the vent pipe.
(See Fig. 11 or 34.)
trap
shelf location
as shown
To
Step 5--Horizontal
Applications
condensate
blower
NOTE: Combustion-air and vent pipes are restricted to a miramum length of 5 ft. (See Table 7.)
TRAP
cap (f_actory-supplied
shelf hole where
in loose
parts
trap was removed.
A horizontal right furnace application is where furnace blower is
located to the left of combustion and controls section of furnace,
and conditioned air is discharged to the right.
V:I["IAli_'T/7
Local codes
may require
a drain pan under
condensate
trap when
application
or over a finished
a condensing
entire
fumace
furnace
is used
4. Install
and
condensate
inserting
in attic
rotating
ceiling.
robe
until
5. Fill unused
NOTE:
In Canada,
current NSCNGPIC
NOTE:
The junction
installations
shall be in accordance
Installation
(:odes and.or local codes.
box (J-Box)
side of furnace casing. (See
section for J-Box relocation.
Fig.
MUST
be relocated
12) See Electrical
with
trap
to opposite
CONDENSATE
NOTE:
check
i.
left-hand
stubs
trap
TRAP
Collector
parts
casing
casing
hole
hole
by
and
position.
holes
with
plastic
filler
bag).
TUBING
See Fig. 12 or tube routing
for proper
a. Remove
label on main furnace
door to
connections.
Box Drain
Tube
factory-installed
drain tube (blue and white
11
casing
in loose
side
through
tabs snap into locking
condensate
caps (factory-supplied
Connection
into
connection
plug from LOWER
striped
label).
collector
box
CAP ---1
\
RPLUG
\
/--
COLLECTOR
BOX DRAIN TUBE (BLUE)
c,,
/ F OC 'oyO o OXTox
E x s Eo"&
,'//
FOOL'EOTORBOXTOBE P'NK
IZJI
I
AUX,LARY"J"BOXRELOOATEDH
2XTTs%Z E /
INDUCER HOUSING
j
CO22ENSATE
/
DRAIN TUBE (VIOLET)
COLLECTOR BOX J
EXTENSION TUBE
A00214
Fig. 12--Horizontal
b. Install
removed
&ain
tube (blue
condensate
c. Connect
collector
label)
connected
label)
d. Clamp
which was previously
to condensate
Housing
&ain
Drain
housing
b. Remove
and
condensate
trap relief
tube (green
label)
tube which
NOTI=:
leakage.
check for proper connections.
Relocate robes as described below.
cap
and
clamp
from
LOWER
UPPER
inducer
housing
2. Extend
(molded)
was previously
connected
d. Use inducer
housing
_actory-supplied
inducer housing
e. Determine
f. Clamp
&ain
extension
tube (violet
length,
cut,
3. Route
&ain
box pressure
tube (pink label)
tube
to condensate
to small diameter
and connect
any condensate
tube
5. Use
to
door to
attached
to
(green
label)
which
was
trap relief port connection
tube (factory-supplied
in loose
PRESSURE
One collector
remaining
loose
parts
label)
which
6. Route
Switch
Tubing
FIELD
Drain
SWITCH
section
for
robe behind
inducer
motor
inducer
and
pressure
smaller
diameter
bag) to extend
tube
collector
was previously
(factory-supplied
box pressure
connected
to pressure
in
tube {pink
to pressure
switch.
robe (pink label)
to condensate
trap relief
connection
DRAIN
section
8. Clamp
ATTACHMENT
for
recommendations
robe (pink label) is fi_ctory connected
for use when
This tube MUST
furnace
is installed
be disconnected
to Condensate
tions
and procedures.
length,
cut, and connect
tube.
port connection.
FREEZE
Drain
PROTECTION
Protection
section
for recommenda-
A WORKING PLATFORM
Construct working platfoml where all required furnace clearances
are met. (See Fig. 3 and 11.)
in UPFLOW
and used
TRAP
Refer
CONSTRUCT
to
appropriate
tube to relief
CONDENSATE
and
TUBING
box pressure
switch
pressure
box pressure robe (green label)
labeled COLLECTOR
BOX.
this extended
7. Determine
TRAP
box
between
port connection.
Pressure
Condensate
collector
then
leakage.
Port Tube
to
extended
4. Connect collector
switch connection
LOWER
trap.
procedures.
applications.
box pressure
connected
motor bracket
switch.
trap.
tube to prevent
CONDENSATE
the pressure
collector
by splicing
procedure.
to
applications.
label on main furnace
label and
in loose parts bag) to connect
&ain connection
to condensate
appropriate
condensate
Refer
to the pressure
RIGHT
parts bag).
c. Install cap and clamp on UPPER inducer housing
connection
where molded &ain tube was removed.
Refer
collector
box pressure
to the condensate
switch.
previously
to condensate
or HORIZONTAL
See Fig. 12 or tube routing
pressure
trap.
3. Relief
be connected
does not need to be
connection.
discard
MUST
trap. Tube
i. Disconnect
collector
connected
port connection
in DOV_rNFLOW
The other
was _actory
switch
Tube
&ain
relief
port tube.
which
box drain tube (blue and white
any condensate
fi_etory-installed
inducer
to
trap
collector
tube to prevent
a. Remove
box
trap.
LOWER
striped
cut.
2. Inducer
clamp and plug into UPPER
Right Tube Configuration
for the
12
P":_I
[_o_
The condensate
trap MUST
Fig. 5 for dimensions.
trap must
NOTE:
mum
Combustion-air
NOTE:
A 12-in.
minimum
furnace.
See
to condensate
to an open
&ain.
are restricted
to a mira-
7.)
offset
pipe
systems.
condensate
below
connection
and vent pipes
(5 to 8 It) vent
excessive
(See Fig.
sloped
of 5 It. (See Table
short
reduce
drain
also be properly
length
with
be installed
The
section
This
&oplets
is recommended
recommendation
from exiting
is to
BACK
the vent pipe.
i1 or 34.)
LOCATION
Step
h
l--General
This furnace
must
A93043
•
be installed
water.
so the
electrical
components
•
not be installed
wood flooring
•
be located so combustion-air
and vent pipe nlaxinmm
are not exceeded.
Refer to Table 7.
•
be located
•
be attached
from
Fig. 14--Prohibit
directly on any combustible
material other than
(refer to SAFETY CONSIDERATIONS).
where available
specifications
electric
on the furnace
power
rating
to an air distribution
Do not operate
meet
and be located
as possible.
fluorine
as close
This furnace
may be located
for dilution
These
When a furnace
is installed
by the furnace
to areas
the return
air shall
casing.
The
furnace
to ensure
within
so that supply
outside
terminate
by
outside
containing
ducts
the
for combustion
fore1
acids
compounds
that
are found
sives, paints, thinners,
other solvents.
and ventilation.
corrode
the
in paneling
masonry
cleaning
heat
These
exchangers.
and dry wall adhematerials,
and many
special
will not be a negative
room
or space.
the furnace,
sealed
space
there
to furnace
containing
pressure
the
condition
4
t
1/2" MAX
TO
1/2" MAX
UPFLOW
HORIZONTAL
A02146
OR DOWNFLOW
Fig. 13--Furnace
For upflowidownflow
or pitched
operation.
For horizontal
maximum
fi'om secondary
A93058
Location for Proper Condensate
Drainage
it is level
1/2-in.
If the furnace
ducts carry air circulated
the space
LEVEL (0")
NOTE:
space without
during construction.
air.
also be handled
ducts
equipment
in a confined
or ventilation
compounds
compounds
Refer to Air
be provided
with ample space for servicing
and cleaning.
Ahvays
comply
with minimum
fire protection
clearances
shown on the furnace clearance-to-combustibles
label.
provisions
this furnace
is required
for temporary
heating of buildings
or structures
under construction,
use clean outside air fi'ee of chlorine and
plate.
system
Installation on Back
¥.,I [..T_luhd[0],'l
lengths
and gas supplies
system
to the center of the distribution
Ducts section.
•
are protected
applications
forward
within
applications
forward
pitch
to ensure
heat exchangers.
install furnace
1/2-in.
proper
for proper
1/4-in.
¥.'_["_']
If furnace
drainage
ambient
measures
Do not install
furnace
will be adversely
back of furnace.
fire, personal
on its back.
affected.
Failure
injury,
Never
to follow
or death.
"/I
to
(See Fig. 13.)
kv'
'1_]211X'
Protection
so that
furnace
minimum
condensate
Fig. 15--Freeze
is installed
temperatures
nmsit
in an unconditioned
may be 32°F or lower,
be taken.
(See Fig.
space
where
the
freeze protection
15.)
]Safety
connect
control
operation
return-air
ducts
this warning
Step 2--Furnace
Equipment
to
Location Relative to Cooling
The cooling coil must be installed parallel with or on downstream
side of fumace to avoid condensation in heat exchanger. When
installed parallel with a furnace, dampers or other means used to
could result in
(See Fig. 14.)
13
control
flow of air shall be adequate
to prevent
chilled
i. Position
air fi'om
entering fumace. If dampers are manually operated, they must be
equipped with a means to prevent operation
of either unit, unless
damper
is in full-heat
or full-cool
Step 3--Hazardous
furnace
on
its back.
Locate
and
drill
a 5/16
in.
diameter hole in each bottom comer of furnace. (See Fig. 17.)
Holes in bottom closure panel may be used as guide locations.
position.
2. For each hole, install
in hole.
Locations
3. Install
(Install
another
washer
nut on bolt and then install
flat washer
nut on other
side of fumace
base. (Install
desired height,
and tighten
flat
if desired.)
4. Adjust
outside
nut to provide
nut to secure
inside
arrangement.
NOTE:
Bottom closure must be used when leveling
See Bottom Closure Panel section.
Step
bolt and nut
if desired.)
2--Installation
in Upflow
legs are used.
and Downflow
Applications
NOTE:
For downfiow
use on combustible
manufacturer)
18-1N. MINIMUM
TO BURNERS
Fig. 16--Installation
furnace
installed
minimum
in a Garage
in a residential
to avoid
is installed
physical
it nmst
in a public
damage
by vehicles.
garage,
airplane
application
hole
3. Construct
18.
garage,
this furnace
special
is used.
is installed
for
(available
from
Special
base is
on manufacturer's
Coil
or Coil Box Part No. KCAKC
being
in floor
is approved
base
installed
from Table
per dimensions
is
1.
specified
in Table
1
and Fig. 18.
to dimensions
subbase
(KGASB)
specified
in Table
is used,
install
1 and Fig.
as shown
in
Fig. 19.
When
hangar,
plenum
4. If downflow
be
so that bumers and ignition sources are located a
of 18 in. above floor. The fumace nmst be located
or protected
furnace
is installed
this fumace
Part No. CD5 or CK5,
2. Construct
r!l I'JI-I_UII_" [q
When
when
i. Determine
A93044
when
Part No. KGASB0201ALL
not required
Assembly
used.
applications,
flooring
If Coil Assembly
Part No. CD5 or CK5 or Coil Box Part No.
KCAKC
install
is used,
as shown
in Fig. 20.
or
other building
having a hazardous
atmosphere,
the fumace
must be installed in accordance
with NFGC or NSCNGPIC.
(See Fig.
16.)
INSTALLATION
Step
l--Leveling
When
furnace
Legs
(If Desired)
is used in upflow
position
with side inlet(s),
leveling
legs may be desired.
(See
Fig.
17.) Install
field-supplied,
corrosion-resistant
5/16-in. machine bolts and nuts.
A96283
Fig. 18--Floor
NOTE:
Remove
they interfere
To remove
Fig. 17--Leveling
NOTE:
The maximum
length
Legs
of bolt should
not exceed
i-i/2
in.
14
furnace
with mating
fumace
perforated,
flanges
perforated,
discharge
discharge
duct
tool or hand seamers
and forth until
of£ Be careful
it breaks
duct flanges
on coil on downflow
duct pliers or duct flange
21.)
A89014
and Plenum Opening Dimensions
flange,
when
subbase.
use wide
to bend flange back
of sharp
edges.
(See Fig.
Table 1--Opening
FURNACE
CASING
WIDTH
Dimensions (in.)
PLENUM OPENING
FLOOR OPENING
APPLICATION
A
Upflow Applications
Downflow Applications
Downflow Applications
on Non-Combustible
on Combustible
Flooring
C
D
24-1/8
! 6-5/8
24-3/4
15-7/8
!9
16-1/2
19-5/8
15-1/8
!9
16-3/4
20-3/8
15-!/2
!9
16-1/2
20
19-1/2
24-!/8
20-1/8
24-3/4
19-3/8
!9
20
19-5t8
18-5/8
!9
20-1/4
20-3/8
19
!9
20
20
Flooring Using
KGASB Subbase
Furnace with or without CD5 or CK5 Coil Assembly or
KCAKC Coil Box
17-1/2
B
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-!/8
23-5/8
24-3/4
19
23-1/2
19-5/8
22-1/8
!9
23-3/4
20-3/8
22-!/2
!9
23-1/2
20
Flooring Using
KGASB Subbase
Furnace with or without CD5 or CK5 Coil Assembly or
KCAKC Coil Box
24-1/2
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 COILCASING
WHEN USED)
CD5 OR CK5
COIL ASSEMBLY
OR KCAKC
COIL BOX
COMBUSTIBLE
FLOORING
_COMBUSTIBLE-FLOORING
SHEET METAL
PLENUM
SUBBASE
SHEET METAL
PLENUM
__
X
FLOOR
OPENING
FLOOR __
OPENING
A96284
A96285
Fig. 20--Furnace,
Plenum, and Coil Assembly
Coil Box Installed on a Combustible Floor
Fig. 19--Furnace, Plenum, and Subbase Installed
on a Combustible Floor
15
or
When
Do not bend
duct flanges
will affect airflow
cycling
or premature
flange
completely
shown
in Fig. 21.
NOTE:
inward
heat
exchanger
or bend
it inward
cut the white jumper
cut white
in Fig. 21. This
and may cause limit
failure.
Remove
a minimum
the furnace
furnace.
duct
of 210 ° as
Secure
Seal
For 140 size unit when
Do not
as shown
across heat exchangers
installed
wire offbetween
jumper
Refer to Fig. 30 for
connector and remove
in downflow
terminals
between
PL1-7
in Horizontal
and PL1-9.
Flexible
furnace
close
length
furnace
is used
draining.
When
center blower
blocks
area.
These
of
suspended,
or pad should
position
bottom
shelf. When
brace
supported
when
to ensure
proper
supports
unit is supported
support
sides
connections
can be installed
position.
be hung
fi'om floor joist
Furnace
can be suspended
angle iron supports.
all-thread
rod)
or installed
in either
a 1-in. clearance
ductwork
for a distance
light
comer
by hanger
(See Fig. 22.) Cut hanger
lock washers,
length.
Use
and 3/8-in. nuts
are provided
on hanger
for hole locations.
duct
flat washers,
in
construction
Connect
ONLY
furnace
casing
tible
Fig. 21--Duct
using
the air
leaks.
take-off
elbow and 10 ft
may
on fibrous
ductwork
require
glass
internal
ducts.
shall comply
181 for Class
used).
Both
with NFPA
1 Rigid
air ducts.
material,
Contractors
Contractors
American
Society
designed
Engineers
(ASHRAE)
available
sized
according
published
(ACCA),
Association
Refrigerating
or consult
tables
and
as those
National
of Heating,
be sized to handle
to
furnace
casing
to
accessories.
to furnace
main
All
casing.
must
opening
on furnace.
be connected
to ONLY
The
furnace
Air
Metal
and
(SMACNA)
or
Sheet
your
and Air Conditioning
local
the required
distributor.
system
duct attachment
subbase
or factory
must
approved
casing
or other accessories.
to furnace
nmst be modified
be connected
to attach
supply
All accessories
main casing.
Supply
to
air conditioning
side
MUST
be
air opening
duct
on furnace.
The
per Fig. 21.
Furnaces
supply-air
duct to supply
duct attachment
must
or air conditioning
air opening
be connected
coil casing
to ONLY
(when used).
furnace
DO NOT
cut main furnace casing to attach supply side air duct, humidifier,
or other accessories.
All accessories
MUST be connected
external
to
by:
The Air 5_'stems Design
from
external
supply-air
connected
or air conditioning
or other
duct to supply-air
supply-air
external
Horizontal
Flanges
Association
be
cut main
humidifier,
DO NOT cut main furnace
supply.outlet
such
duct flanges
be connected
an accessory
flanges
REQUIREMENTS
be
on furnace
must
Furnaces
supply-air
standards
flange
attachment
DO NOT
duct attachment
Connect
should
duct
side air duct,
MUST
coil casing.
Ducts
should
openings
TREATMENT
duct to 3/4-in.
supply-air
ONLY
Ag302g
at the design
duct shall
for sampling
shall prevent
supply-/outlet-air
(when
supply
connected
CFM
for possible
be inserted
18 standard
supply-air
air duct, humidifier,
duct system
coil, the outlet
supply outlet or air conditioning
coil casing (when used), when
installed on non-combustible
material. When installed on combus-
YES
lines reference
can
and fibrous
supply-air
The
supply-air
210°
MIN
Air Conditioning
air
the fumace.
requirements.
with a cooling
by UL Standard
outlet.
Connect
Y
Conditioning
to supply
from
Furnaces
Downflow
system
materials
a vapor
DUCT
YES
national
to enhance
AIR CONNECTIONS
accessories
duct
and
passing
is used,
horizontally
first branch
lining
attach
accepted
ductwork
insulated
that do not have a 90 degree
acoustical
coil
The
be
can be viewed
to the
90B as tested
(See Fig. 2.)
NO
GENERAL
code
Ductwork
conditioning
code for further
attachment
SMACNA
Upflow
Step 4--Air
between
should
ACOUSTICAL
duct systems
SUPPLY
DISCHARGE
FLANGE
used.
with
acoustical lining. As an altemative,
fibrous ductwork may be used
if constructed
and installed in accordance
with the latest edition of
and
rods as shown
used
air
or a probe
The cover
of main
bolts (4 each 3/8-in.
1 X 3/8-in.
to furnace
from combustible
not equipped
assistance
Metal
or pad.
bolts
air
the
for type of ductwork
of vibration.
of 36-in.
90B or local
DUCTWORK
can either
blocks
be
space
that the heat exchanger
shelf
horizontal
furnace
on suitable
from each
to desired
Fig. 22. Dimples
horizontally
In a crawlspace,
should
Maintain
stream.
furnaces
carry
be provided with a removable
access panel. This opening shall be
accessible
when the furnace is installed and shall be of such a size
sides and
blower
ducts
the space containing
connections
transmission
unconditioned
For a furnace
from the ground,
and center
outside
fasteners
performance.
When
is recommended.
See NFPA
be
with proper
and return-duct
to prevent
system
ban'ier
Applications
MUST
in a horizontal
left or right discharge
3/8-in.
furnace
supply
tape or duct sealer.
through
to
r.,l [,-72111iI_jN
entire
so that the
and terminating
ductwork
supply-
and PLI-I1.
PLI-7
terminals
is installed
casing
approved
orientation,
location of jumper.
Cut jumper
wire to avoid a short circuit.
Step 3--Installation
The
a furnace
circulated by the furnace to areas outside the space containing the
furnace, the return air shall also be handled by a duct(s) sealed to
to fumace
main casing.
RETURN
AIR CONNECTIONS
The
Gz_ide-
furnace
installed
The
cannot
design
affect
mix products
static pressure.
and
its remm
so that negative
another
16
appliance's
of combustion
ing fan of the furnace,
air system
pressure
created
shall
combustion
with circulating
if installed
be
designed
and
by the air circulating
air supply
fan
or act to
air. The air circulat-
in an enclosure
comnmnicating
3/8-1N.ROD
II
II
II
II
ANGLE
IRON OR
EQ
ALTERNATE SUPPORT
LOCATION 4-IN. MIN
8-IN. MAX
(B)
(A) ROD LOCATION
USING DIMPLE
LOCATORS
(SEE DIMENSIONAL
DWG FOR
LOCATIONS)
_)
(I_-INI
3/8-1N.
& WASHER (4)
REQD PER ROD
(A) PREFERRED
ROD LOCATION
(B) ALTERNATE
ROD LOCATION
(B)
NOTES:
MAX
ALTERNATE SUPPORT
LOCATION FROM BACK
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--Crawlspace
with
another
fuelibuming
shall be operable
in the furnace
appliance
not
of the directivent
only when any door or panel covering
fan compartment
is in the closed
or in a return
Horizontal Application
Step 5iFilter
type,
air plenum
on ducts
position.
Never
¥.'I WI-I_t_II _['-1
Never
connect
Return-air
upflow
return-air
applications
could result
Upflow
ducts
duct connections
only. A failure
in fire, personal
duct must
or a combination
casing
as shown
permitted
be connected
in Fig. 2 Bypass
side return
air portion
connect
any portion
of return-air
and Horizontal
return-air
duct
provided
as shown
to attach
any portion
tions should
furnace.
a filter
to follow
this warning
to follow
must
this warning
external
to bottom,
sides
of main
may be attached
of the furnace
casing.
duct to back of furnace
Filter'Media
or
to end
inlet
of return-air
at ductwork
duct. Bypass
access
fire,
instructions
into
DO NOT
casing.
for
or coil casing
Filter.Media
factory-supplied
the
or the furnace
filters
blower
are shipped
the filter
location
for
See Table
in the
Table
this furnace.
with
and
2 indicates
and side return-air
filter
filter
instructions).
compartment,
filter
correct
retaining
deterwire,
if
filter size for desired
size, location,
See Fig. 2 lbr location
openings.
are
can be used
or a factory-specified
blower
relocate
is provided,
installation
cabinet
filter (see cabinet
2 to determine
shipped
and
The Filter/Media
in the furnace
filter
cabinet
assembly,
washable
disposable
filter location.
bottom
17
external
application,
with
necessary.
to
its
with the cabinet.
mine
connec-
sides exterior
washable
packaged
high-efficiency
opening
(if provided)
supplied
compartment.
If a factory-supplied
sides or back
humidifier
cabinet
Factory
If installing
connected
in Fig. 2. DO NOT cut into casing
be made
(left
furnace
Furnaces
be
filter
can cause
il_iury, or death
compartment.
and side(s)
humidifier
or with
The air filter arrangement
will vary due to application,
furnace
orientation,
and filter type. The filter may be installed
in an
in
il_iury, or death.
of bottom
unused
The
without
Failure
blower
right),
Downflow
furnace
of the furnace.
side(s)
Furnaces
The return-air
operate
door removed.
personal
to the back
on furnace
Arrangement
an opening
and quantity
and
size
of
Table 2--Filter
AIR FILTER LOCATED
FURNACE
CASING
WIDTH (IN.)
171/2-1N. WIDE
CASINGS ONLY:
INSTALL FIELD-SUPPLIED
FILTER FILLER STRIP
UNDER FILTER.
Information
IN BLOWER COMPARTMENT
FILTER SIZE (IN.)
Side Return
FILTER
Bottom Return
TYPE
(1) 16 X 25 X 11-
(1) 16 X 25 X 1!
Cleanable
21
(1) 16X25Xl*
(1) 20X25X
!1" Cleanable
24-1/2
(1 or 2) !6X25X1*
(1) 24X25X
11" Cleanable
17-1/2
* Filters may be field modified by cutting filter material and support rods (3) in
fitters. Alternate sizes and additional filters may be ordered from your dealer
1- Factory-provided with furnace.
Use care when cutting
flying pieces
rods in filters to protect
and sharp rod ends. Wear safety
and appropriate
caution
support
could
protective
result
clothing.
in personal
glasses,
Failure
_Z_Z22 .................
against
gloves,
to follow
this
iniury.
r:! [ '%lliilI'lll
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 1 side and
the bottom,
openings
NOTE:
or the bottom
for airflow
Side return-air
configurations.
only will ensure
requirements
adequate
above
return
air
openings
can ONLY be used in UPFLOW
filter(s)
as
Install
FILTER
1800 CFM.
shown
in Fig.
23.
Bottom
return-air
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. 24.
\
\
FILTER
RETAINER
SUPPORT
A00213
Fig. 24_Bottom
Filter Arrangement
RETAINER
\
I
I
I
A93045
Fig. 23--Filter
Installed
NOTE:
Remove
inlet is used.
and discard
Step G--Bottom
Closure
bottom
for Side Inlet
closure
panel
BOTTOM
CLOSURE
PANEL
when bottom
FRONT FILLER
PANEL
Panel
A93047
These
furnaces
are shipped
with bottom
in bottom return-air opening.
side return air is used.
To remove
i.
bottom
closure
Tilt or raise furnace
panel.
2. Rotate
enclosure
This panel MUST
panel
installed
be in place
Fig. 25--Removing
when
Step
panel,
perfoml
and remove
following:
2 screws
holding
front filler
Canadian
downward
3. Remove
bottom
closure
4. Reinstall
front
filler panel
to release
holding
Panel
Piping
Gas piping nmst be installed in accordance
with national and local
codes. Refer to cun'ent edition of NFGC in the United States.
(See Fig. 25.)
front filler panel
7--Gas
Bottom Closure
installations
PIC and all authorities
tabs.
Gas
panel.
meter
and screws.
supply
line
to furnace,
gas pipe sizing.
18
should
must be made in accordance
having jurisdiction.
be a separate
if possible.
Risers
with NSCNG-
nmst
Refer
line running
to Table
directly
from
3 for recommended
be used to connect
to furnace
and to
Table 3--Maximum
NOMINAL
IRON
PIPE
SIZE
Capacity of Pipe*
GAS
SUPPLY
MANUAL _/
LENGTH OF PIPE (FT)
INTERNAL
DIAMETER
II
vsA"
°FFJ
(IN,)
10
20
30
40
50
(IN,)
1/2
0.622
175
120
97
82
73
3/4
0.824
360
250
200
170
151
1
1.049
680
465
375
320
285
1-1/4
1.380
1400
950
770
660
580
1-1/2
1.610
2100
!460
1180
990
900
/REOU,REOp
t
* Cubic ft of gas per hr for gas pressures of 0.5 psig (14Mn wc) or less and a
pressure drop of 0.5-in wc (based on a 0.60 specific gravity gas).
Ref: Table 9.2 NFGC.
meter.
Support
all gas piping
with appropriate
straps,
hangers,
etc.
Use a minimum of 1 hanger every 6 ft. Joint compound (pipe dope)
should be applied sparingly and only to male threads of joints. Pipe
dope must be resistant
to propane
A93324
gas.
Fig. 2g--Typical
Connect gas pipe to furnace using a backup wrench to avoid
damaging gas controls.
"_lfl/llH
Gas valve
shutoff
switch
upward.
Failure
to
follow
property
damage
or death.
FIRE OR EXPLOSION
.,-1
MUST
this
be facing
forward
warning
could
or tilted
result
in
Failure
to follow
serious
injury,
purge
for gas
leaks
with
an
open
flame.
chamber.
Use
Never
test for gas leaks with
available
detection
furnace
test
warning
death.
NOTE:
in fire, explosion,
personal
il!iury,
or
made
manual
property
shutoff
and within
valve MUST
0.5 psig (14-in.
or
external
NPT
MUST
to
plugged
be installed
to furnace
tap connection
providing
the
injury
be installed
A Ii8-in.
connection
The gas valve inlet pressure
maximum
personal
connection,
of gas supply
shutoff valve.
for
A fire or explo-
damage,
for test gage
upstream
of manual
in
Use a commer-
specifically
6 ft of furnace.
use as test gage connection
exceed
could result
an open flame.
solution
causing
accessible
available soap solution made specifically
for the detection of
leaks to check all connections.
A failure
to follow this
result
soap
exactly
damage.
of leaks to check all connections.
casing
tapping,
a commercially
warnings
or property
cially
immediately
downstream
could
death
sion may result
loss of life.
a gas line into a combustion
HAZARD
the safety
Never
----> An accessible
Never
Gas Pipe Arrangement
and
is suitable
test pressure
DOES
wc) stated on gas control
to
NOT
valve.
(See Fig. 57.)
Use
proper
manifold.
length
Failure
leak resulting
Install
by
level
control
manifold
leading
a tee
to
riser
of tee is vertical.
Place
and manual
il!iury,
leading
Then
gas shutoff
joint
in a gas
Trap
to
union
should
NFGC
in the United
check
so
all connections
between
exceeds
disconnected
gas
is equal
(See Fig. 26.)
have been made,
If a flexible
connector
is required
or allowed by authority
having jurisdiction,
black iron pipe shall be installed
at
gas control
outside
furnace
If local codes
always
valve
and extend
served
another
gas appliance
of 2 in.
gas
supply
purge
to operating
before
0.5 psig
with
local,
furnace
and
has been
purge
lines and
furnace.
wc), gas supply
and capped
lines and check
pressure
Step 8--Electrical
and 24-v wiring.
connector,
Do not use a connector
gas appliance.
the
have been made,
prior
to or less than
pipe must be
pressure
(14-in.
test. If test
wc),
turn off
shall
be
for leakage.
within
the
maximum
on the rating
plate
and
with
Connections
See Fig. 27 for field
allow the use of a flexible
in accordance
in Canada,
before
minimum
inlet supply pressures
marked
the furnace burners ON and OFF.
casing.
use a new listed connector.
has previously
a minimum
codes
0.5 psig (14-in.
from furnace
tested
electric shutoff switch located on furnace gas control valve and
accessible
manual shutoff valve before test. After all connections
----> The
furnace
at furnace
leak
or NSCNGPIC
After
for leakage
pressure
and
States
and gas
If pressure
below
be pressure
plumbing
connected.
a capped
extend
Piping
national
can be
furnace
connect
should
valve.
control
or death.
to furnace.
nipple
a ground
on gas
could result
personal
end of tee. Capped
controls.
stress
this warning
in riser
section
into lower
of gas
trap
connecting
straight-through
nipple
to follow
to avoid
in fire, explosion,
a sediment
installed
of pipe
wiring
Check
diagram
all _actory
showing
typical
and field electrical
field
115-','
connections
for tightness.
which
----> Field-supplied
(33°C)rise.
19
wiring
shall conform
with the limitations
of 63°F
....
....
--
NOTE21_ #Am
%m
FIVEWIRE_
I LZyLyJL?J
THREE-WIRE
_
HEATING-ONLY "--_"_1
BLOWER
DOOR
SWITCH
--x\.
--,----
BLKI_I
BLI,
_
'_
_
_._ 11 I
'(--L_
I
,L_
'
_
_E
1
I
-•
?
_--
_ _ I THERMOSTAT
_ L4JI TERMINALS
i_'
I_
I _
I
I
_
i
1
I
I
I
I
I
I
FIELD-SUPPLIED
DISCONNECT
._
w
1 208/230- OR
-_, 460-V
.I"THREE
j PHASE
.....
................
....
--....
_...________H_L_._
.._
i
._ c51i
--J--..---I
....o
I
NI
1
1 ',
I H--_[]3]_,I---]208/230-V
rf_ GNDI
TI _
4
I
I .....
WHT
I
=_,,,_ I
.... I--"
@
115-VFIELDAUXILIARY
SUPPLIED
DISCONNECT
J-BOX
,
FIELD 24-V WIRING
FIELD !15-, 208/230-, 460-V WIRING
FACTORY 24-V WIRING
FACTORY 1! 5-V WI RING
/--Elco_
I _-
,', ,',
.....
.........................................
I
r',-
I
....
24-V
TERMINAL
BLOCK
_
/
S NGLE
,,----q---,---I---J
I
-N-_q:_ _--- _ Ii tl_
_ _
FURNACE
I___b_l
,, {/
I
FI
It-,,DL--
CONDENSING
TWO
WIRE
NOTES: 1. Connect Y-terminal in furnace as shown for proper blower 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.
A99440
Fig. 27--Typical
Heating and Cooling
Application Wiring
Diagram
properly sized fuse or circuit breaker for this furnace. See Table 4
for wire size and fuse specifications. A disconnecting means must
be located within sight from and readily accessible to furnace.
ELECTRIC
DISCONNECT
SWITCH
NOTI=: Proper polarity must be maintained for 115-v wiring. If
polarity is incorrect, control LED status indicator will flash rapidly
and furnace will NOT operate.
®
Fig. 28--Disconnect
A93033
Switch and Furnace
¥:I i'J#'_l1:1,"
! t2[__
The cabinet
¥.'I |"1_'I ;t ,' I[_[__
Blower
access
door switch
component
operation
switch
panel
with
could result
opens
can
in personal
115-v power
occur.
removed.
Do
Failure
injury
according
not
to control.
bypass
to follow
or
No
close
this warning
or death.
MUST
to NEC
CSA
Furnace
control
control
will
must
lock
green/yellow
wire
[qZIliiIgn
be grounded
Code
injury
out.
Control
connected
is
operation
if an electrical
installed
in accordance
grounded
to gas valve
through
and burner
to minimize
occur.
electrical
ground.
in electrical
Failure
shock,
Elec-
personal
This may consist
for electrical
with existing
ground
ground
codes.
of
when
Do not
to lbllow
this
fire, or death.
Relocation
i. Remove
box
should
approved
as an electrical
could result
70-2002
or local codes
fault
wire or conduit
J-Box
or
C22.1
electrical
warning
for proper
or unbroken
and Canadian
trical
use gas piping
_
have an uninten'upted
ANSI, NFPA
2. Rotate
2 screws holding
J-box
auxiliary
180 ° and attach
box
J-box.
(See Fig. 29.)
to left side,
using
holes
screwY.
provided.
i15
V WIRING
Before
proceeding
voltage,
furnace
by
frequency,
rating
power
Canadian
diction.
check
is sufficient
Make
Electrical
codes
lations,
Also,
connections,
correspond
make
to that
certain
that
specified
on
to be sure that sen,ice
to handle
load
all electrical
Code
or ordinances
all electrical
Electrical
Use
(NEC)
connections
ANSI_NFPA
that might
apply.
by this
must be made in accordance
Code
C22.1
a separate,
branch
or authorities
electrical
circuit
electrical
24V
with
having
instalwith
juris-
containing
or gas components.
WIRING
---->Connect 24-v thermostat leads to 24-v terminal block on furnace
control. For proper cooling operation, Y wire lYom thermostat
MUST be connected to Y/Y2 terminal on furnace control, as
shown in Fig. 27. The 24-v terminal block is marked for easy
connection of field wiring. (See Fig. 30.) The 24-v circuit contains
and any
For Canadian
connections
CSA
If manual disconnect
switch is to be mounted on furnace,
select a location where a drill or fastener will not contact
electrical
in accordance
70-2002
¥:I [_']T!
provided
imposed
Refer to rating plate or Table 4 for equipment
specifications.
local
and phase
plate.
supply
equipment.
National
with electrical
a
20
Table 4_Electrical
OPERATING
VOLTAGE RANGE
FURNACE
SIZE
VOLTS-HERTZ-PHASE
Min*
MAX
UNIT
AMPS
Max*
040-08
115-80-1
127
104
6.1
040-12
115-60-1
127
104
060-08
115-80-1
127
060-12
115-60-1
060-16
Data
MAX WIRE
LENGTH
AMPACITYI"
MIN
WIRE
SIZE
(FT):_
MAX FUSE
OR CKT BKR
AMPS**
8.4
14
44
15
7.3
10.0
14
37
15
104
6.1
8.4
14
44
15
127
104
7.1
9.8
14
38
15
115-80-1
127
104
9.5
12.8
14
29
15
080-12
115-60-1
127
104
7.6
10.4
14
36
15
080-16
115-80-1
127
104
!0.0
13.4
14
28
15
080-20
115-60-1
127
104
14.1
18.4
12
31
2O
100-t6
115-80-1
127
104
!0.2
13.5
14
27
15
100-20
115-60-1
127
104
!4.8
19.3
12
3O
2O
120-20
115-80-1
127
104
!4.6
19.!
12
3O
20
140-20
115-60-1
127
104
14.3
18.8
12
3O
20
UNIT
* Permissible limits of voltage range at which unit will operate satisfactorily.
1 Unit ampacity = 125 percent of largest operating component's full load amps plus 1O0 percent of all other potentiaI operating components'
load amps
$ Length shown is a measured
way along wire path between unit and service panel for maximum 2 percent voItage drop.
** Time-delay type is recommended.
(EAC, humidifier,
etc.) full
ACCESSORIES
i.
Electronic
Air (;leaner
Two quick-connect
provided
ALTERNATE
FIELD
LOCATION
for EAC
arc energized
motor
INSTALLED
LOCATION
ACTORY
S
marked
connection.
with
EAC-1
and EAC-2
(See Fig. 31.) These
115-v (1.0-amp
maximum)
are
temfinals
during
blower
operation.
DO NOT
connect
(humidifier)
similar
stat,
(EAC)
terminals
device.
or
furuace
terminal
See Thennidistat
controller
connection.
control
HUM
on Thermidistat
TM,
manufacturer's
A failure
to follow
terminal
Zone
TM,
Zone
to HUM
Controller
Controller,
instructions
this warning
for
could
or
thermoproper
result
in
fire.
2. Humidifier
(HUM)
A quick-connect
24V)
30.) HUM
A00212
nmm)
Fig. 29--Relocating
a 3-amp,
automotive-type
fuse located
Fig. 31.) Any electrical
shorts
service,
may cause
ment
or maintenance
is required,
The control
NOTE:
for lengths
16 wire.
AWG
code 24 when
No.
wiring
EAC
(See
Step
If fuse replace-
copper
The
replacement.
thermostat
only)
wire
terminal
connection.
with
24-v
(CoM
(See Fig.
(0.5-amp
maxi-
l15-v
controlled
if humidifier
relay
connected
operation
to
is desired
operation.
Venting
furnaces
direct-vent
require
system.
is taken directly
gases are discharged
21
and screw
is energized.
may be added
9--Direct
58MXA
combustion
over I00 ft, use AWG No.
is energized
gas valve
A field-supplied,
all blower
(HUM)
for 24-v humidifier
terminal
when
terminals
during
installation,
size (3 amp) and type.
fuse needs
up to 100 ft. For wire lengths
control.
during
fuse to blow.
18 color-coded
NOTI=:
on furuace
use only a fuse of identical
will flash
Use
of 24-v
J-Box
terminal
are provided
In
a dedicated
a direct-vent
fi'om outdoor
to outdoor
atmosphere.
(one 58MXA
system,
atmosphere,
all
furnace
air
for
and all flue
BLUER
OFF
JL_IpER
TO 115VAC
DEEAy
PCB
SELCCT
FIELD
DISCONNECT
SCHEMATIC
#2
(NATURAL
DIAGRAM
GAS
& PROPANE)
I
D_M
120
24wV
180
HUM
SEG2
SE©/
W4T (COM)
I
BHT, CLR
BLOWER
BLWR
BLWM
BLOWER MOTOR
BLOWER MOTOR
CAP 1 2
CPU
BFANR
EAC 1
EAC
FRS
ELECTRONIC/MR
FLAME ROLLOUT
Z
MOTOR SPEED CHANGE
RELAY
SPDT
PRINT£D CIR CUT gUARD
CONTROL
11 CIRCUIT PCB CONNECTOR
CAPACITOR
PLZ
Z CIRCUIT CONNECTOR
MICROPROCESSOR
AND CIRCUITRY
CON_
NUOUS
FAN SELECT
RELAY SPD f
ELECTRONIC/MR
CLEANER CONNECTION
pL3
OL
PL4
(115 VAC 10 AMP
CLEANER
CONNECTION
(COMMON)
SW
MANUAL
RESE_ SPST (N C )
FLAME
FU 1
FUSE 3 AMR
FU 2
FUSE OR CIRCUff
GND
E©UIPMENT
GROUND
GV
GAS VALVE
REDUNDANT
GVRIZ
GAS
VALVE RELAY DPST_(N O
HSI
HOT
SURFACE
HSIR
HOT SURFACE
HUM
IDM
Z4VAC HUMIDIFIER
CONNECfl
ON (0 5 AMP
INDUCED DRAFT MOTOR
PSC
IDR
ILK
INDUCED
BLOWER
(
o
pROVING
N
J1
BLOWER
JB
JUNCTION
LGPS
LS
(NC)
PCB
PL/
FSE
LED
TEMPERATURE SWITCH
RELAY SPST (N O )
PERMANENT SPLDCAPACITOR
ELECTRODE
AUTOMOtiVE
AL
BLADE
_YPE FACTORY
PR SSUR
PRS
UPP
MOTOR
PANEL
LO_' GAS PRE%URE
UNMARKED
i
PCB
FACTORY
MAX)
-----....
SPST-(N O )
Q
(115VAC)
WIRING
(24VAC)
OWRNG(
8
9
5VAC_
DWRNG(4VAC)
ON CONTROL
FIELD WIRING
SCREW
AMBER
PCB
_RMINAL
FIELD EARTH GROUND
EQUIPMENT
RepFace
only
w_hPCB
a 3 aIT_
fuse circuR board coedu_ors and are ncOncluded in _gend
So[_J lines
[ns_e
are printed
Inducer (IDM) and bbwer (BLWM) IT_tOlS contain [ntemaFaut_reset theriT_Foverbad sw_ches (OL)
Neu_rabeonr_c_ions are [nlercben_akte _,ithin tbe NEUTPAk conr_dor block
gbv, er r_:_or speed se_ctbns are for aver_ conditbns, see insta_btion instr udions for detai_s on
o_i_mm speed se_c_on
10 YELLOWle_ not on all n_tors
11 Factory conr'_cted wben LGPS is not used
12 Ignition-Dckou_ _,d[occur alter four consecu_e unsuccessfu_ tria_s-for_nition Comro_w,_
a[t_leset after three houls
i
SELECTOR
STATUS CODES
If
aryonly
of the
ollg[nal
wiredisconnect
ISreplacedswath
use wire
for 105jundbn
C
Use
copper
wireedu[pIT_nt
between the
and rated
the furnace
box (JB)
[his _re n_st be connected to furnace sheet metal for control to prove flame
Symbols ale e_ectdcal lepresenta_on only
TERMINAL
WIRING
CONDUCTOR
-CFOR
3:
TERMINAL
)
RELAY SPST (N o)
INTERLOCK
SWITCH
SWITCH
115 VAC/24VAC
CONTROL
FACTORY
--
BOX
LIGHT E MIITING DIODE
TEST & IWIN TERMINAL
JUNCTION
)
OFF DELAY JUMPER
SPST (N O }
NOT_S:
TRANSFORMER
0
IGNITER RELAY SPST_(N O
CH
COMPONENT
TRAN
O_
IGNITER (115 VAC)
SW
TEST'_VIN
BREAKER CURRENT INTERRUPT DEVICE
O&
DRAFT
ACCESS
LIMIT SWITCH,
IN STALLE9
MAX)
FSE
I
2 CIRCUIT
HSI,
CON NECTOR
AUTO
RESET
INTERNAL
MOTOR
OVERLOAD
30RCUIT
DM EXTENSION CONNECTCR
GROUND
SPST (NO)
FIELD SPLICE
AUTO RESET SPST (NC)
)_
326796-101REWA
PLUG RECEPTACLE
Fig. 30---Wiring
Diagram
A02157
REMOVAL
VENT
OF
EXISTING
FURNACES
FROM
COMMON
In Canada
SYSTEMS
---) When
fi_rnace
an existing
original
Category
venting
system
the remaining
I venting
attached
system
furnace
I furnace
appliances.
could
cause
and vent, leakage
and spillage
is removed
may no longer
products
ABS-DWV
Canada.
the
to properly
An improperly
the formation
of condensate
of combustion
or replaced,
be sized
vent
sized Category
of condensate
and combustion
into the living
NOTI=:
etc.
CARBON
Failure
MONOXIDE
Furuace
to ]`bllow the steps outlined
connected
to the venting
could result
The
in carbon
following
connected
while
system
being
steps
shall
to the venting
placed
poisoning
be
followed
system
all other appliances
lbr each appliance
].'or each
being
connected
into operation
placed
appliance
to the venting
system
2. Inspect
openings
the venting
in venting
system
termination
preferred),
Installation
mine that there is no blockage
corrosion
and other deficiencies,
unsafe condition.
3. As far as practical,
are
and
all doors
ance(s)
other
between
connected
spaces
4. Close
the
space
to the venting
Dryer/Water
to the venting
hoods
dryers
the appli-
are located
and any appliance
system.
and
and bathroom
ing at maximum
exhaust fan.
not connected
Turu on any exhaust
speed.
fans, such as
exhausts,
so they are operat-
Do
operate
not
appliance
is operating
the draR
hood
relief
opening
equipped
appliances
aRer 5 minutes
at
of main
buruer operation.
Use the flame of a match or candle.
8. If improper venting is observed during any of the above
tests, the venting
system must be corrected
with the National
Fuel Gas Code,
54 and/or CSA B149.1,
lation (?odes.
9. After
it has been
nected
fireplace
ance
determined
to the venting
as outlined
above,
dampers
Natural
system
returu
ANSI
that each
doors,
windows,
conditions
Instal-
appliance
vents
and any other gas-fired
to their previous
in accordance
Z223.1.NFPA
Gas and Propane
properly
system
other
appliances
system
or vent connectors
when
or connector
determined
NGPIC.
using
resizing
con-
exhaust
buruing
may need to be resized.
COMBUSTION-AIR
AND
table
VENT
found
(FT)
Canada
1
11-
See Note 5
See Note 5
3
See Note 6
For furnaces with an input capacity of
100,000 Btuh or less--from
any nonmechanical
air supply (windows or doors
which can be opened) or combustion-air
opening
1
1
For furnaces with an input capacity greater
than 100,000 Btuh --from
any nonmechanical
air supply (windows or doors
which can be opened) or combustion-air
opening
1
3
From service regulator vent, electric and
gas meters and relief equipment
See Note 6
See Note 6
See Note 3
See Note 3
Furnace
rims,
appli-
For any
vent stack
mininmm
in the NFGC
as shown
inducer
housing
fresh
air intake
to public
and vent pipe
in Fig. 33. Combustion-air
alteruate
vent
connections
nmst
be at-
intake plug fitting
cap may need
and
to be relocated
in
applications.
fi_rnace
size as
combustion-air
tached
NOTI=:
or vent connectors,
must be sized to approach
appropriate
(roof
kit. See Table
when tested
of use.
vent systems
termination
See Note 4
some
Vent
in same
1 18 in. above roof surface in Canada
NOTES:
1. If installing 2 adjacent furnaces, refer to Multiventing and Vent Terminations
section for proper vent configurations.
2. When locating combustion-air and vent terminations, consideration must be
given to prevailing winds, location, and other conditions which may cause
recirculation of the appliance's
own flue products or the flue products of
adjacent vents Recirculation can cause poor combustion, inlet condensate
problems, and accelerated corrosion of heat exchangers.
3. Vent termination can not terminate tess than 2 ft horizontal and 7 ft above
public walkway or where condensate vapor or droplets may be a hazard.
4. Vent termination must be at least 3 feet above any forced draft inlets within
10 feet horizontal. Vent termination must be at least 3 feet horizontal from
other direct vent appliances intake unless otherwise specified by manufacturer
5. 3 ft radius of furnace vent air-intake terminal and 1 ft horizontally from
vertical centerline of furnace vent air-intake terminaI.
6. Above a meter/regulator
within 3 feet horizontally of vertical centerline of
meter/regulator
vent outlet to a maximum vertical distance of 15 feet
continuously.
from draft hood
together
roof or sidewall
CLEARANCE
Above grade when adjacent
walkway
a summer
6. Follow the lighting
instructions.
Place the appliance
being inspected
into operation.
Adjust the thermostat
so
7. Test ]`'or spillage
terminate
through
heater vent
From any mechanical
leakage,
cause an
proper
3
Deter-
dampers.
5. Tnrn on clothes
must
either
using accessory
From plumbing
and windows
in which
system
zone,
Above grade level or above
anticipated snow depth
of the building.
fireplace
range
or restriction,
which could
doors
allows
USA
size and horizontal
close all building
(See Fig. 32.) This
LOCATION
(?ode and these instructions.
are
be made outside
Table 5--Combustion-Air
and Vent Pipe
Termination Clearances
pitch, as required in the National
Fuel Gas (?ode, ANSI
Z223.1'NFPA
54 or the CSA B149.1, Natural Gas and
Propane
pipe.
pipe connections
should
clearances.
system.
for proper
in
and Fig. 36, 37, 38, 39, and
and vent
and vent pipes
pressure
not in operation:
1. Seal any unused
or
SDR pipe is NOT approved
pipe lengths
in vertical
atmospheric
___>
into operation,
for this
PVC-DWV
of vent condensate.
5 l'or required
or death.
PVC,
arrangements.
combustion-air
Combustion-air
HAZARD
below
monoxide
casing
drainage
_[_
POISONING
piping
and vent pipes
schedule-40
sized ]`'or 2-in. pipe. Any pipe size change
fi_rnace
¥!_ _I_UH
listed
7 for maximum
40 for exterior
products,
all combustion-air
or ULC
pipe and pipe cement.
See Table
in the
space,
construct
of CSA
Slope
combustion-air
a mininmm
and vent pipes
of i/4 in. per linear
downwared
toward
ft with no sags between
hangers.
or NSC-
PIPING
General
Combustion-air
and vent pipe, fittings,
con]`'orm to American
dards
and American
standards.
See Table
National
Society
primers,
Standards
]`'or Testing
6 ]`br approved
and solvents
Institute
(ANSI)
and Materials
materials
must
stan-
(ASTM)
An abandoned
]`br use in the U.S.A.
properly
23
masonry
insulated
chimney
and supported
may be used
combustion-air
as a raceway
for
and vent pipes.
TWINNING AND/OR
COMPONENT TEST
TERMINAL
BLOWER OFF-DELAY
HUMIDIFIER TERMINAL
(24-VAC 0.5 AMP MAX.)
24-V
THERMOSTAT
TERMINALS
TRANSFORMER 24-VAC
CONNECTIONS
3-AMP
FUSE
LED
DIAGNOSTIC
ob
LIGHT
PL1 -LOW
HARNESS
VOLTAGE
MAIN
CONNECTOR
115-VAC(L2)I
CONNECTIONS
13[-I
_
SPARE/-1
//_Of
/
_
SPARE-2
J__
t
"_
_
_
FAN
SEL O,W \ 4 t A S
/ \
/
EAC-1
(115-VAC
\
115 VAC (L1) LINE
VOLTAGE
CONNECTION
PL2-HOT
IGNITER
SURFACE
& INDUCER
MOTOR
CONNBOTOR
TERMINAL
10
AMP
MAX)
A02142
Fig. 31--Furnace
Control
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
• FURNACE
_
COMBUSTION-AIR
_i
•
NOT IN
HORIZONTAL
SECTION
COMBUSTIONAIR
TRANSITION IN
VERTICAL SECTION
_
AIR
COMBUSTIONAIR
FLOW
UPFLOW
DOWNFLOW
A93034
COMBUSTION-
Fig. 32--Combustion-Air
and Vent Pipe Diameter
Transition Location and Elbow Configuration
Each
furnace
must
have its own
set of" combustion-air
pipes and be terminated individually,
COMBUSTIONAIR
AIR
VENT
VENT
and vent
as shown in Fig. 42.
Other gas appliances with their own venting system may also use
the abandoned
chinmey as a raceway providing
it is pennitted
by
local code, the NFGC
or NSCNGPIC,
manufacturer's
installation
instructions.
prevent
the exhaust
and the vent or liner
Care must be taken to
gases from one appliance
from contaminating
the combustion air of other gas appliances.
HORIZONTAL-LEFT
DISCHARGE
HORIZONTAL-RIGHT
DISCHARGE
A96187
Fig. 33--Combustion-Air
and Vent Pipe
Connections
24
VENT
HORIZONTAL
TO ROOF
HORIZONTAL
TO
SIDEWALL
COMBUSTION-AIR
F
VERTICALTO
VENT
ROOF
PIPE
PiPE
__
_
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. 34_Short
Vent (5 to 8 Ft) System
r_ |, I'-I,1, IE1}_
When
vent pipe is exposed
such as when it passes
chimney
shown
is used
in Table
to temperatures
through
below
an unheated
as a raceway,
pipe
must
8 with Armaflex-type
fi'eezing,
space
All
or when a
be insulated
combustion-air
watertight.
as
result
in property
because
inside
which
include
These
elements
cleaning
not
taken
air is frequently
fluorides,
solvents,
Locate
fi'om swimming
Excessive
exposure
These
excessive
from
paint,
Combustion-Air
and
Determine
inlet as far
pool
combustion
i.
pump
air
combustion-air
Using
problems.
sparks,
Avoid
eyes.
property
and open
breathing
Failure
combustible.
flame.
in vapor
to follow
damage,
personal
Use
only
Keep
fi'om
in well-ventilated
or allowing
this warning
injury,
away
contact
could
with
result
heat,
NOTE:
or
within
in fire,
or death.
25
and a 12-in.
as shown in Fig. 34,
vent pipe outlet.
of these
becuase
elbows
See shaded
of short pipe
and use this
length,
use the
Do not use pipe size greater
combustion,
flame
distur-
may occur.
or pipe sections
areas
smallest
for each
and vent pipes.
incomplete
sense lockout
the
permitted
2 pipe diameters
pipe diameter.
Do not count
fl_rnace.
diameters
vent systems
allowable
or flame
determine
pipe
combustion-air
installing
bance,
areas.
skin
and vent
for both
than required
are
exiting
individually
Pick the larger
diameter
(5-8 if) may discharge
and vent pipe diameter.
7,
Table
pipe.
could
and Vent Pipe Diameter
combustion-air
will
droplets
and
or death.
may be undesirable,
to reduce
bleaches,
smallest
cements
droplets
airtight
as shown in Fig.
and vent pipe length (each)
is 5 ft. Short pipe lengths
and iodides.
detergents,
2. When
Solvent
combustion-air
be
this warning
injury,
is recommended,
adhesives,
related
droplets.
to follow
personal
of£set pipe section
combustion-air
to contaminated
water
must
exactly
mininmm
pool and swimming
and performance
structure
pipes
by halogens,
bromides,
salts, air fresheners,
as possible
house.
inside
contaminated
in aerosols,
products.
in safety
from
chlorides,
are l'ound
other household
result
be
damage,
The minimum
for these furnaces
air must
vent
36, 37, 38, 39, or 40. Failure
insulation.
NOTE:
Combustion
and
Pipes must also terminate
in terminations
in Fig. 36, 37, 38, 39, and 40.
or
Table 6--Approved
ASTM SPECIFICATION
(MARKED ON MATERIAL)
D1527
Combustion-Air
MATERIAL
PIPE
FITTINGS
ABS
Pipe
--
PVC
Pipe
--
D1785
and Vent Pipe, Fitting and Cement Materials
SOLVENT
CEMENT AND PRIMERS
Schedule-40
Schedule-40
Solvent
Cement
D2235
For ABS
--
--
For ABS
D2241
PVC
Pipe
--
SDR-21 & SDR-26
D2466
PVC
--
Fittings
Schedule-40
D2468
ABS
--
Fittings
Schedule-40
Solvent
Cement
D2564
For PVC
--
--
D2661
ABS
Pipe
Fittings
D2665
PVC
Pipe
Fittings
F438
CPVC
--
Fittings
m
Schedule-40
F441
CPVC
Pipe
--
m
Schedule-40
F442
CPVC
Pipe
--
m
F493
For CPVC
--
--
F628
F656
ABS
For PVC
Pipe
--
---
F891
PVC
Pipe
--
For PVC
DWV at Schedule-40
EXAMPLE:
lis, elevation
application
SDR
Solvent
Cement
For CPVC
Cellular Core DWV at Schedule-40
Primer
5 elbows
indicates
pipe,
but require
a 2-1/2
with 5 elbows).
same
pipe
diameter
2-1/2
were
and combustion-air
would
pipe.
tion, 2-in. pipe is only good
2-1/2
in. pipe is good
Combustion-Air
be used
in Albuquerque,
installation
in intake
7
h. Install
vent
air pipe
since larger
to remove
i. Attach
a. Determine
pipe for service
At 5001-
in. vent
to 6000-ft
for 17 ft with
eleva-
5 elbows,
using
of combustion-air
intake
intake
housing
pipe connec-
as shown
in Fig. 33
appropriate
c. If required
combustion-air
unused
per
Table
in loose
set is required,
pipe support
support
e. Insert
NOTE:
casing.
furuace
should
A 2-in. diameter
Make
perforated
parts
plug
fitting
install
with
in
&ain connection
moisture
box.
bag)
disk
in intake
shoulder
moisture
assembly
housing
of disk
(lhctory-supplied
in loose
combustion-air
at bottom
pipe into intake
all pipe diameter
be used
transitions
bag)
2. Attach
pipe hole. Pipe
of casing
within
outside
where
to open
No. 6 or
Breakage
of intake
to occur.
provided
on this fitting
intake
intake
light
may
pipe
be
result
for
and
of
intake pipe termina-
snow
or other
sources
drill out fitting's
a field-supplied
condensate
be trapped.
location
as shown
tion. Tighten
26
SCREW.
is desired,
vent pipe to furnace
and clmnp
casing.
a field-supplied
by
using
of
in.
and should
b. Reposition
the furnace
furuace
to areas
be routed
housing
housing.
in unused
be attached
hole in fitting,
combustion-air
&ill and connect
a. Determine
hole.
Install
combustion-air
could be pulled
tube should
nmst
to that shown in Fig. 36, 37, 38, 39, and 40 so it will
with a 3/16-in.
against
FITTING
in combustion-air
Ensure
to
to remove
must be installed
has been
If use of this drain connection
If half
parts
in
termination.
PLUG
fitting
air leakage
is found
Moisture
pipe permanently
a 1/8-in.
OVERTIGHTEN
use when
combustion
AiC (if used),
pipe must
This
or by drilling
not be susceptible
inlet.
casing
housing.
may cause
of intake
sensor.
HOUSING
intake plug fitting
A plugged
tion is similar
connection.
intake pipe will be connected.
be positioned
2-in. diameter
housing
housing
7, insert
stop in combustion-air
into selected
intake
intake
where combustion-air
d. Install
or fitting
improper
(factory-supplied
disk
DO NOT
housing
NOTE:
for application.
b. Reposition
NOTE:
Breakage
intake
or flame
INTAKE
sealant,
screw
to occur.
since it may be necessary
hole in intake housing as a guide.
No. 8 sheet metal screw.
pipe as follows:
location
RTV
SCREW.
air leakage
combustion-air
of ignitor
intake
pipe using hole
No. 6 or No. 8 sheet metal
intake housing
combustion-air
hole.
pipe.
OVERTIGHTEN
The combustion-air
and
in loose
pipe casing
as a guide.
may cause
COMBUSTION-AIR
pipe for servicing.
tion to combustion-air
Do not attach
ft
5250
2-1/2
Pipe Attachment
combustion-air
NOTE:
elevation
NOTE: All pipe joints must be cemented
except attachment
of
combustion-air
pipe to inlet housing connection,
since it may be
necessary
or fitting
combustion-air
for 70 ft with 5 elbows.
and Vent
DO NOT
housing
& DWV
(_actory-supplied
hole in 2-in. combustion-air
housing
NOTE:
If
plug
combustion-air
a field-supplied
for both pipes.
require
filler
into combustion-air
pipe must be
pipes
hole
bag) in unused
g. Drill a 1/8-in.
but only 30 ft
in. diameter
ahvays
Table
combustion
and combustion-air
must
sea level,
pipe.
a 2-in. diameter
in. diameter
Therefore,
installation
above
allow
for 35 ft with 3 elbows,
for both vent
required
would
casing
parts
and 32 ft of vent pipe, along
and 34 ft of combustion-air
this application
(2-in. pipe is good
used
3 elbows
IPS sizes
For PVC
Cellular Core Schedule-40
An 080-12 size fumace located in Indianapo650 ft above sea level, could be installed in an
requiring
IPS sizes
DWV
f. Install
with
DESCRIPTION
tap plug
3/8-in. robe. This
&ain
for furuace
and
(See Fig. 35.)
as follows:
of vent
pipe
connection
to inducer
in Fig. 33 for application.
elastomeric
to appropriate
clamp.
(rubber)
unused
inducer
inducer
housing
housing
outlet
cap
connec-
7. Check
COMBUSTION
- AIR
INTAKE
HOUSING
NOTE:
BURNER
BOX
dry fit of pipe and mark
It is recommended
preassembled
before
8. After pipes
layer
have been
to insertion
mark.
DRILL
to pipe fitting
Quickly
socket
apply
coat on inside
of socket
cement.
Apply
coat.
9. While cement
second
10. Wipe excess
TO
OPEN
DRAIN
A93035
Intake Housing
Plug Fitting
Drain
13. Slope
Inducer
housing
against
inducer
outlet
Clamp
must be tightened
leakage.
Failure
to follow
in electrical
into
shock,
pipe
support
selected
should
fire, personal
casing
be positioned
in loose
vent pipe hole.
at bottom
could
14. Use
il_iury, or death.
(_actory-supplied
fumace
of casing
parts
bag)
housing
be installed
internal
and fully seated
against
stop. Clamp must be tightened
A 2-in. diameter
casing.
Make
all pipe diameter
d. Be certain
that mating
be used
transitions
surfaces
within
outside
of inducer
coupling,
and 2-in. diameter
Assemble
the
(with
2 loose
connection.
Insert
elastomeric
(rubber)
ing connection
both clamps
the clamp
e. Install
hole
plug
Bmh
on the internal
hous-
pipe is supplied,
vent pipe to fumace
inducer
NOTE:
in loose
pipe casing
hole.
are supplied
it must be used to connect
on ALL upflow
See label on vent extension
This pipe may be shortened
extension
if an elbow
tube to field-installed
3. Working
fi'om
furnace
pipe for proper
is used
with a
and downinstallation.
vent
vent pipe.
to
outside,
pipe
to
required
length(s).
4. Deburr
and outside
5. Chamfer outside
and cement.
of pipe.
edge of pipe for better
6. Clean and dry all surfaces
metal
toward
fur-
openings
where
vent
and
roof or side wall.
distribution
from
those
packaged
with
outside
structure.
A
kit is for 2-1/2
parts
pipe
Sidewall
termination
kit is for l-in.,
pipe systems
when
1-1/2
single
is desired.
vent air termination
kit is for 2-i/2
in.,
when single penetration
components
diameter.
should
Roof
NOT
be counted
termination
is prefen'ed
has reduced
chances
vent vapors.
(See Fig. 36 or
temlination
surl_aces
con'osive
combustion
Extended
Exposed
Sidewall
combustion-air
with
may
require
a corrosive
products
Sidewall
sealing
resistance
or
to take
shielding
material
of
due to
of vent system.
Pipes
and
extended
beyond
area shown
insulating
pipes
as indicated
terminations
may
be
in Fig. 39 or 40 in outside
vent
ambient
by
in Table
pipe
8.
Determine
combustion-air
and vent pipe diameters,
as stated
above, using total pipe length and number of elbows.
lengths.
27
and
to damage,
building
winter
3. Determine
to be joined.
in., 3-in.,
and has less visible
design
find appropriate
model.
of primer
and
in Fig. 36, 37, 38, 39, and 40 are considered
when
determining
in.,
systems.
in. diameter
of wall or roof
i-i/2
systems.
termination
vent/air
and 2-1/2
Shaded
2. Using
inside
bracket
2-pipe
These
i.
cut
downward
kit is for 1-in.,
termination
3-in. termination
to be termination.
37.)
the field
to connect
differ
bracket
2-pipe
in contaminants,
flow applications.
NOTE:
termination
since it is less susceptible
housing
of every
perforated
f't with no sags between
3-in., and 4-in. diameter pipe systems
of wall or roof is desired.
PVC vent extension pipe (2-in. diameter by 12-in. long). This pipe
has a built-in channel to assist vent condensate
disposal. When this
vent extension
a minimum
using
kit instructions.
4. The 3-in. concentric
Tighten
(l:actory-supplied
inputs
made joint.
sets.
and vent pipes must terminate
penetration
the
stop. Tighten
housing.
The 2-in.
in., 2-in.,
of torque.
and larger
to seal
pass through
instructions
kit, follow
3. The 2-in. concentric
vent
housing
PIPE
with 100,000
and vent piping
methods
4-in. diameter
vent pipe are
(rubber)
vent pipe through
combustion-air
If these
2. The
connec-
inducer
the pipe to inducer
filler
cement
and vent pipes
pipes
2-in. diameter
casing.
and fully into inducer
to 15 in.-lb,
in unused
EXTENSION
Furnaces
coupling
to secure
screws
onto
the 2-in. diameter
until it bottoms
casing
parts bag)
elastomeric
i.
the fi._rnace
housing
dry.
clamps)
bead of cement
factory accessory
temlination
kit must be installed
in 1 of the
installations
shown in Fig. 36, 37, 38, 39, and 40. Four termination
kits are available:
any
furnace
clean
and
until
1/4 turn.
socket.
of a properly
of 1/4 in. per linear
appropriate
Combustion-air
inducer
to prevent
tion, elastomeric
coupling
VENT
pipe must
of excess
or -26 PVC)
combustion-air
termination
condensate
leakage.
Failure to follow this warning
could
result in electrical shock, fire, personal il_iury, or death.
NOTE:
buildup
hole.
¥:_ "E_!3;U, II_,-3
pipe must
to prevent
CONCENTRIC VENT AND COMBUSTION-AIR
TERMINATION KIT INSTALLATION
support
NOTE:
Vent
in a light,
strap.
combustion-air
Pipe
to end of
cement
hangers.
to prevent
this warning
carefully
combustion-air
nace a mininmm
and fully seated
housing.
any condensate
c. Install
cap must be installed
cement
A continuous
perimeter
5 ft (3 ft for SDR-21
hanging
generous
and end of pipe
Apply
into fitting
fi'om joint.
around
pipe joints
12. Support
Fig. 35--Air
result
cement
will be visible
11. Handle
apply
socket
is still wet, twist pipe into socket with
Be sure pipe is fully inserted
and
any joint.
approved
(over primer).
uniform
on pipe.
be cut, prepared,
cementing
cut and preassembled,
primer
pipe and fitting
depth
that all pipes
permanently
of cement
insertion
temperature
temperature
required
insulation
(used in load calculations),
for your application
thickness
for
and furnace
exposed
pipe
Table 7--Maximum
ALTITUDE
TERMINATION
TYPE
UNIT SIZE
(FT)
040-08
040-12
2 Pipe or 2-in
Concentric
080-12
080-16
080-20
2 Pipe or 2-in
Concentric
100-16
100-20
ALTITUDE
NA
NA
NA
1-!/2
70
70
65
60
60
55
2
70
70
70
70
70
70
1-!/2
20
15
!0
5
NA
NA
2
70
70
70
70
70
70
1-!/2
10
NA
NA
NA
NA
NA
20
30
30
70
70
70
70
2
5
NA
NA
NA
NA
NA
2-1/2
40
30
20
20
!0
NA
3
70
70
70
70
70
70
2-!/2 one disk
10
NA
NA
NA
NA
NA
20
3t
45
40
35
30
25
31- no disk
2-!/2 one disk
70
5
70
70
70
70
70
NA
NA
NA
NA
NA
31- one disk
40
35
30
25
20
15
31- no disk
60
56
52
48
44
40
4t no disk
70
70
70
70
70
70
2 Pipe or 3-in.
Concentric
2 Pipe or 3-in.
Concentric
140-20
TERMINATION
TYPE
UNIT SIZE
040-08
040-12
2 Pipe or 2-in
Concentric
060-08
060-12
060-16
2 Pipe or 2-in
Concentric
080-12
080-16
080-20
3001 to 4000
NA
35
2 Pipe or 3-in
Concentric
120-20
(FT)
6
NA
70
2 Pipe or 2-in
Concentric
100-16
100-20
ALTITUDE
5
5
2 Pipe or 2-in
Concentric
NUMBER OF 90 ° ELBOWS
PIPE DIA
(iN.)*
1
2
3
4
5
6
1-!/2
67
62
57
52
52
47
2
70
70
70
70
70
70
1-1/2
17
12
7
NA
NA
NA
70
67
66
61
61
6!
49
44
3O
25
25
15
2 Pipe or 2-in
Concentric
080-12
080-16
080-20
2001 to 3000
4
1
50
2 Pipe or 2-in
Concentric
060-08
060-12
060-16
3
70
TERMINATION
TYPE
040-08
040-12
2
55
2 Pipe or 3-in.
Concentric
UNIT SIZE
(FT)
1
2
2 Pipe or 3-in.
Concentric
140-20
OF 90 ° ELBOWS
(IN.)*
2-!/2
2 Pipe or 3-in
Concentric
120-20
NUMBER
PIPE DIA
2 Pipe or 2-in
Concentric
060-08
060-12
060-16
0 to 2000
Allowable Pipe Length (ft)
2-1/2
7O
7O
7O
70
70
70
2-1/2
35
26
!6
16
6
NA
3
7O
7O
70
70
66
61
3
14
9
NA
NA
NA
NA
43
31 no disk
7O
7O
63
56
50
41- no disk
7O
7O
7O
70
70
70
31 one disk
20
15
10
5
NA
NA
31 no disk
39
35
31
27
23
19
41- no disk
7O
7O
7O
70
70
70
PIPE DIA
(IN.)*
1
2
3
4
5
6
1-!/2
64
59
54
49
48
43
2
70
70
7O
70
70
70
1-1/2
16
11
6
NA
NA
NA
NUMBER OF 90 ° ELBOWS
68
63
62
57
57
56
2
46
41
28
23
22
13
2-!/2
70
70
70
70
70
70
33
24
!5
14
5
NA
100-16
100-20
2 Pipe or 3-in
Concentric
2-1/2
3
70
70
70
66
61
56
120-20
2 Pipe or 3-in.
Concentric
31- no disk
65
58
51
44
38
3!
41 no disk
70
70
70
70
70
70
31 one disk
11
6
NA
NA
NA
NA
31 no disk
30
26
22
!8
!4
10
41- no disk
70
70
70
70
70
70
2 Pipe or 3-in.
Concentric
140-20
See notes at end of tabte
NOTE:
located
space
Table
Pipe
length
(ft)
in unconditioned
cannot
7.
exceed
total
specified
spaces.
for maximum
Pipes
allowable
pipe
Two-Pipe Termination Kit
i. Detennine location for tennination.
Consider the following when determining
location for termination kit.
lengths
located
in unconditioned
pipe length
as specified
in
28
an appropriate
Table 7--Maximum
ALTITUDE
(FT)
UNIT SIZE
040-08
040-12
060-08
060-12
060-16
4001 to 6000€
080-12
080-16
080-20
100-16
100-20
120-20
140-20
ALTITUDE
(FT)
UNIT SIZE
040-08
040-12
6001 to 6000¢
(FT)
ALTITUDE
(FT)
OF 90 ° ELBOWS
(IN.)*
1
2
3
4
5
6
1-1/2
60
55
50
45
44
39
2
70
70
70
70
70
70
15
10
5
NA
NA
NA
2
64
59
58
53
52
52
2
44
39
26
21
20
1!
2-!/2
70
70
70
70
70
70
2 Pipe or 3-in
Concentric
2-!/2
31
22
!3
!2
NA
NA
3
70
70
67
62
57
52
2 Pipe or 3-in.
Concentric
31- no disk
53
46
40
33
26
20
4t no disk
70
70
70
70
70
70
2 Pipe or 3-in.
Concentric
31- no disk
21
17
!3
9
5
NA
41- no disk
69
64
59
54
49
44
TERMINATION
TYPE
PIPE DIA
(IN.)*
1
2
3
4
5
6
1-!/2
57
52
47
42
40
35
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
080-12
080-16
080-20
2 Pipe or 2-in
Concentric
NUMBER OF 90 ° ELBOWS
2
70
70
70
70
70
70
1-1/2
14
9
NA
NA
NA
NA
2
60
55
54
49
48
47
2
41
36
23
18
17
8
2-!/2
70
70
70
70
70
70
29
21
!2
!1
NA
NA
47
100-16
100-20
2 Pipe or 3-in
Concentric
2-!/2
3
70
67
62
57
52
120-20
2 Pipe or 3-in.
Concentric
31 no disk
42
35
29
22
15
9
41 no disk
70
70
70
70
70
70
2 Pipe or 3-in.
Concentric
31 no disk
12
8
NA
NA
NA
NA
41- no disk
42
37
32
27
22
17
TERMINATION
TYPE
PIPE DIA
(IN.)*
1
2
3
4
5
6
1-!/2
53
48
43
38
37
32
UNIT SIZE
2 Pipe or 2-in
Concentric
060-08
060-12
060-16
2 Pipe or 2-in
Concentric
080-12
080-16
080-20
2 Pipe or 2-in
Concentric
100-16
100-20
NUMBER OF 90 ° ELBOWS
2
70
70
68
67
66
64
1-!/2
13
8
NA
NA
NA
NA
2
57
52
50
45
44
43
2
38
33
21
!6
15
6
2-1/2
70
70
68
67
66
64
2 Pipe or 3-in
Concentric
2-!/2
27
19
!0
9
NA
NA
3
68
63
58
53
48
43
120-20
2 Pipe or 3-in.
Concentric
31 no disk
3!
24
!8
!1
NA
NA
41- no disk
70
70
70
70
67
62
140-20
2 Pipe or 3-in.
Concentric
41 no disk
17
12
7
NA
NA
NA
TERMINATION
TYPE
PIPE DIA
(IN.)*
1
2
3
4
5
6
1-!/2
49
44
39
34
33
28
UNIT SIZE
040-08
040-12
7001 to 8000¢
NUMBER
PIPE DIA
1-1/2
2 Pipe or 2-in
Concentric
040-08
040-12
6001 to 7000¢
2 Pipe or 2-in
Concentric
060-08
060-12
060-16
140-20
ALTITUDE
TERMINATION
TYPE
Allowable Pipe Length (ft) (Continued)
2 Pipe or 2-in
Concentric
060-08
060-12
060-16
2 Pipe or 2-in
Concentric
080-12
080-16
080-20
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
2
66
65
63
62
60
59
1-!/2
12
7
NA
NA
NA
NA
2
53
48
46
41
40
38
2
36
31
!9
!4
12
NA
2-1/2
66
65
63
62
60
59
2-1/2
25
17
8
7
NA
NA
3
63
58
53
48
43
38
3t no disk
20
13
7
NA
NA
NA
41- no disk
61
56
51
46
41
36
140-20
NA
See notes at end of table
29
Table 7--Maximum
ALTITUDE
TERMINATION
TYPE
UNIT SIZE
(FT)
040-08
040-!2
PIPE DIA
2 Pipe or 2-in
Concentric
1
2
3
4
5
6
1-1/2
46
41
36
31
29
24
2
62
60
58
56
55
53
11
6
NA
NA
NA
NA
2
49
44
42
37
35
34
2
33
28
!7
!2
!0
NA
2-!/2
62
60
58
56
55
53
2 Pipe or 3-in
Concentric
2-!/2
23
15
7
5
NA
NA
3
59
54
49
44
39
34
2 Pipe or 3-in.
Concentric
31- no disk
10
NA
NA
NA
NA
NA
41- no disk
35
30
25
20
!5
10
2 Pipe or 2-in
Concentric
080-!2
080-!6
080-20
2 Pipe or 2-in
Concentric
100-16
100-20
120-20
NUMBER OF 90 ° ELBOWS
(IN.)*
1-1/2
060-08
060-!2
060-16
8001 to 9000€
Allowable Pipe Length (ft) (Continued)
140-20
ALTITUDE
NA
TERMINATION
TYPE
UNIT SIZE
(FT)
9001 to 10,000$
040-08
040-!2
2 Pipe or 2-in
Concentric
060-08
060-!2
060-!6
2 Pipe or 2-in
Concentric
080-!2
080-16
080-20
2 Pipe or 2-in
Concentric
100-16
100-20
2 Pipe or 3-in
Concentric
120-20
2 Pipe or 3-in.
Concentric
PIPE DIA
(IN.)*
1
2
5
6
1-!/2
42
37
32
27
25
20
2
57
55
53
51
49
47
45
40
38
33
31
29
2
30
25
!4
9
7
NA
2-!_
57
55
53
51
49
47
2-1/2
21
13
5
NA
NA
NA
3
54
49
44
39
34
29
4t no disk
10
5
NA
NA
NA
NA
140-20
NUMBER OF 90 ° ELBOWS
3
4
NA
Disk usage-Unless otherwise specified, use perforated disk assembty (factory-suppfied
in toose parts bag). If one disk is stated, separate 2 halves of perforated
assembly and use shouldered disk half When using shouldered disk half, install screen side toward inlet box.
tWide radius etbow
SVent sizing for Canadian installations over 4500 ft (1370 m) above sea level are subject to acceptance by the local authorities having jurisdiction.
NA-Not Allowed; pressure switch wilt not make.
NOTES:
1 Do not use pipe size greater than those specified in tabte or incomplete combustion, flame disturbance, or flame sense Iockout may occur
2 Size both the combustion-air and vent pipe independently, then use the larger diameter for both pipes
3. Assume two 45 ° elbows equal one 90 ° elbow Long radius etbows are desirable and may be required in some cases
4 EIbows and pipe sections within the furnace casing and at the vent termination should not be included in vent length or etbow count.
5 The minimum pipe length is 5 ft for atl applications
6 Use 3-in. diameter vent termination kit for installations requiring 4-in diameter pipe.
a. Comply
5.
with all clearance
b. Termination
will not
ment.
kit should
damage
requirements
be positioned
plants/shrubs
as stated in Table
where
elbow,
vent vapors
or air conditioning
making
SidewMl
40.
U-fitting.
For applications
equip-
A 180 ° U-fitting
terminations
Install bracket
using
lines in Fig. 39, rotate
disk
may be used.
as shown in Fig. 39 or
vent pipe option
indicated
by dashed
vent elbow 90 ° from position
shown
in
Fig. 39.
c. Termination
affected
allow
kit should
by wind
be positioned
eddy (such
recirculation
so that it will not be
as inside
of flue gases,
building
airborne
corners)
leaves,
4. Disassemble
or
procedures
or light
5. Check
sno_,v.
d. Termination
kit should
be positioned
damaged by or subjected
balls, etc.
e. Termination
kit should
to foreign
where
objects,
Concentric
it will not be
be positioned
where vent vapors
mining
are
being
1 for each pipe,
install
combustion-air
Roof
elbow
in bracket
terminations_oosely
as shown
install
place
assembly
pipe coupling
must be positioned
on
on prop-
using
combustion-air
by dashed
in Fig. 36, install
in Fig. 36, 39, or 40.
Kit
for termination.
of the following
location
with all clearance
should
be made
for termination
reqnirements
when
deter-
kit.
as stated in Table
so bracket
pipe
90 ° street
option,
elbow
will
vapors
equip-
c. Termination
not
be
comers)
or
kit should
by wind
be positioned
or light
90 °
30
snow.
so it will
eddy (such as inside building
that may allow recirculation
indicated
into
b. Termination
kit should be positioned
where vent
will not damage plants/shrubs
or air conditioning
ment.
affected
in Fig. 36.
For applications
lines
and
using same
size for pipe size
pipe.
erly cut vent pipe. Coupling
mount
of appropriate
used.
3. Loosely
location
(?lean and cement
piping.
as shown
Termination
an appropriate
a. Comply
5.
for system
dimensions
Vent/Air
Consideration
not objectionable.
2. Cut 2 holes,
required
i. Determine
such as stones,
loose pipe fittings.
as used
of flue gases,
airborne
leaves,
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. 36--Roof
MAINTAIN 12 IN.
(18 IN. FOR CANADA)
MINIMUM CLEARANCE
ABOVE HIGHEST
ANTICIPATED
SNOW
LEVEL. MAXIMUM OF
24 IN. ABOVE ROOF.
Termination (Preferred)
\_
_N@_-_/S/_
_>_-_/
x(____/
./J
Jr
IN. SEPARATION
BOTTOM OF
:'COMBUSTION
AIR AND
OF VENT
/
.'.-.
•: _
A93054
Fig. 37--Concentric Vent and Combustion-Air
Termination (Preferred)
Roof
12 IN.
CLEARANCE
ABOVE
HIGHEST
ANTICIPATED
SNOW
:.."
LEVEL OR GRADE,
WHICHEVER
IS
GREATER.
COMBUSTION-AIR
A87225
Fig. 39_idewall
d. Termination
Termination of 12 in. or More
kit should
be positioned
damaged by or subjected
balls, etc.
e. Termination
kit should
to foreign
where
objects,
be positioned
it will not be
such as stones,
where vent vapors
are
not objectionable.
2. Cut one 4-in. diameter
hole for 3-in. kit.
3. Loosely
together
12 IN.
CLEARANCE
ABOVE HIGHEST
ANTICIPATED
SNOW
LEVEL OR GRADE,
WHICHEVER
IS
GREATER.
A93055
Fig. 38--Concentric
Vent and Combustion-Air
Termination
assemble
using
inside
Do not allow
terminations
Locate
as shown
in Fig. 37.
shield
terminations
positioned
termination
or other materials
when installing
height
Fig. 38.
31
insulation
Roof
rain
vent/air
components
in kit.
kit with rain shield REMOVED
of pipe assembly
Sidewall
Side
concentric
instructions
4. Slide assembled
NOTE:
hole tbr 2-in. kit, or one 5-in. diameter
assembly
Locate
no more
it through
through
assembly
than
l-in.
through
hole.
to accumulate
hole.
roof to appropriate
through
sidewall
with
from wall as shown
in
conf'orm
F656.
to ASTM
D2564
In Canada,
PVC
drain pipe,
When
fittings,
a condensate
approved
or F493. Primer
use CSA or ULC
Furnace
pump
select
is required,
furnace
a pump
condensate
select
to ASTM
40 CPVC
a pump
applications.
or
acidic,
nature
is
conden-
switch.
typically
in the pH range
of this condensate,
filter may be desired.
which
To avoid
with an overflow
is mildly
3.2 to 4.5. Due to corrosive
pH neutralizing
schedule
and cement.
for condensing
sate spillage,
must conform
listed
Check
of
a condensate
with local authorities
/
to determine
if a pH neutralizer
is required.
APPLICATION
IN. SEPARATION
BOTTOM OF
:'COMBUSTION
AIR AND
OF VENT
The
A/C,
trap
connections
CLEARANCE
ABOVE HIGHEST
ANTICIPATED
SNOW
LEVEL OR GRADE,
WHICHEVER
IS
GREATER.
and humidifier
together.
supplied
!2 IN.
/ COMBUSTION-AIR
(ELBOW PARALLEL
TO WALL)
furnace,
drained
The
prior
AiC
to the
(furnace,
drains
drain
may be combined
must
furnace
have
drain
connection.
A/C, or humidifier)
an open
or vented
drain
as close
possible
to prevent
siphoning
field-
All
drain
must be temlinated
into
to the respective
equipment
of the equipment's
See Fig. 46 for example of possible
1/2-in. CPVC or PVC tee for vent
and
an external,
as
drain.
field drain attachment
and AiC or humidifier
using
drain
connection.
A87226
Outdoor
Fig. 40--Sidewall Termination When Wall Penetration is Less than 12 in Above Snow or Grade.
5. Disassemble
procedures
6. Check
loose pipe fittings.
as used
required
for system
dimensions
(:lean
and cement
codes.
draining
Caution
When
58MXA
Caution
in Fig. 37 or 38.
should
are vented
draining
near each
are vented
Freezing
installed
as shown
and
45
that vent terminations
of flue gases.
represents
touching
Dimension
distance
or 2-in. maxinmm
from first 2 temlinations.
be made as shown
between
or equivalent
to avoid
"A" in Fig. 41, 42, 43, 44,
pipes
supplied
tions.
shields,
DRAIN
condensate
shielded,
or rain
as
separation.
where
Excessive
soil conditions
slippery
condensate
which may result
PROTECTION
left in condensate
trap
and drain
line may
3 to 6 watt per ft at 120 v and 40°F self-regulating,
and waterproof
heat
with accessory
tape.
2. Locate
See Installation
Instructions
or heat tape manufacturer's
i. Fold heat tape in half and wrap
¥:I ['{AliiI_']II
heat tape between
recommenda-
on itself 3 times.
sides of condensate
trap back.
(See
Fig. 47.)
Unit must not be installed, operated, and then turned off and
left in an unoccupied structure during cold weather when
temperature drops to 32°F and below unless drain trap and
drain line have adequate freeze protection. See Service and
Maintenance Instructions for winterizing procedure. (See Fig.
15.)
Step 10--Condensate
draining
injuries.
cause cracks, and possible
water damage may occur. If fi'eeze
protection
is required, use condensate
freeze protection
accessory
in Fig. 41, 42, 43, 44, and 45, but next vent
nmst be at least 36 in. away
recirculation
may be
to prevent
to plants.
furnaces
other, 2 vent terminations
be taken
may cause saturated
in damage
other,
CONDENSATE
It is important
draining.
may cause personal
each furnace must be individually
vented. NEVER common
vent
or breach
vent 58MXA
furnaces.
When 2 or more 58MXA
termination
by local
may fi'eeze
using same
TERMINATIONS
Furnaces
near each
if allowed
ambient
piping.
as shown
AND VENT
2 or more
is permissible
be taken when freezing
drain pipe and prohibit
conditions
MULTIVENTING
of the furnace
should
3. Use wire
ties to secure
positioned
in notches
heat tape
in place.
of condensate
4. Wrap field drain pipe with remaining
1 wrap
5. When
Step
ties can be
(See Fig. 47.)
heat tape, approximately
per ft.
using
facturer's
Drain
Wire
trap sides.
field-supplied
instructions
11--Sequence
heat tape, follow
heat
for all other installation
tape manu-
guidelines.
of Operation
GENERAL
Condensate
trap is shipped
connected
for UPFLOW
RELOCATED
for use
installed
in the blower
¥:I ["{alliiI'l/l
shelf and factory
applications.
Condensate
trap nmst be
in DOWNFLOW
and HORIZONTAL
applications.
Furnace
control
control
will
green_ellow
Condensate
trap MUST
An external
trap is not required
this condensate
be used for all applications.
when connecting
the field drain to
Using
schematic
different
trap or drain tube coupling)
PVC,
or 5/8-in.
ID tube
Drain pipe and fittings nmst conform
to ANSI standards
ASTM
D1785, D2466 or D2846. CPVC or PVC cement
wire
be grounded
out.
for proper
Control
connected
is
operation,
grounded
to gas valve
or
through
and bunter
box
screw.
trap.
The field drain connection (condensate
is sized for 1/2-in. CPVC,
ii2-in.
connection.
nmst
lock
modes.
diagram,
follow
sequence
(See Fig. 30.) Read
of operation
and follow
wiring
through
diagram
carefully.
NOTE:
the
and
must
Ifa
control
seconds
inten'uption
start
after power
gas heating.
32
power
will
is restored,
The Amber
occurs
a 90-second
status
during
blower-only
if the thermostat
a call for heat (W),
ON period
two
is still calling
for
code LED light will flash
code 12
Table 8--Maximum
Allowable Exposed Vent Pipe Length (It) With and Without Insulation in Winter Design
Temperature Ambient*
FURNACE
SIZE
WINTER DESIGN
TEMPERATURE
(OF)
20
MAX PIPE
DIAMETER
(IN,)
! .5
040
060
080
100
120
140
WITHOUT
WITH 3/8-1N. OR
INSULATION
51
THICKER
INSULATIONt
70
0
1.5
28
70
-20
1.5
16
70
20
2
45
70
0
2
22
70
-20
2
!0
58
20
2
65
70
0
2
35
70
-20
2
20
70
20
2
55
55
0
2
48
55
-20
2
30
55
20
2.5
70
70
0
2.5
47
70
-20
2.5
28
70
20
2.5
40
40
0
2.5
40
40
-20
2.5
38
40
20
3
70
70
0
3
50
70
-20
3
28
70
20
3
70
70
0
3
61
70
-20
3
37
70
20
4
70
70
0
4
48
70
-20
4
23
70
20
3
60
60
0
3
60
60
-20
3
44
60
20
4
70
70
0
4
57
70
-20
4
30
* Pipe length (ft) specified for maximum pipe lengths located in unconditioned
as specified in Table 7.
1 Insulation thickness based on R value of 35 per in.
70
spaces. Pipes located in unconditioned
space cannot exceed total allowable
pipe length
A96128
Fig. 41--Rooftop
during
the 90-second
continuous,
period,
period,
Termination
after
which
as long as no faults are detected.
the fi_rnace will respond
(Dimension
the LED
After
to the thermostat
will
"A" is Touching or 2-in. Maximum Separation)
HEATING
be ON
the 90-second
(See Fig. 27 for thermostat
blower
through
control
motor
door
must
be installed
the blower
door
CPU, transIbnner
BLWM,
hot-surface
interlock
TRAN,
igniter
for power
switch
inducer
connections.)
normally.
The
The
MODE
to be conducted
ILK to the
motor IDM,
HSI, and gas valve
wall
circuit.
Ii_rnace
blower
thermostat
The furnace
pressure switch
motor IDM.
GV.
33
"calls
control
contacts
for heat,"
performs
closing
a self-check,
PRS are open,
and starts
the
R to W
verifies
the
the inducer
J
COMBUSTION
AIR
AIR
COMBUSTION
A93056
Fig. 42--Concentric Vent and Combustion-Air
Roof
Termination (Dimension "A" is Touching or
2-in. Maximum Separation)
A96129
Fig. 44_Raised Sidewall Termination When Wall
Penetration is 12 in. or Less Above Snow or Grade
(Dimension "A" is Touching or 2-in. Maximum
Separation)
COMBUSTION
AIR
_t _'_ .... "
COMBUSTION AIR
VENT
COMBUSTION
AIR
A93057
Fig. 43--Concentric Vent and Combustion-Air Side
Termination (Dimension "A" is Touching or
2-in. Maximum Separation)
a. Inducer
comes
Prepurge
Period-
up to speed,
to begin
b. Igniter
a 15-second
Warm-[
Hot-Surface
igniter
HSI
is
energized
Sequencethe
When
and -2 close to energize
main
period,
the
going
a 17-second
the igniter
is supplied
at the HUM
Igniter
HSI is de-energized
terminal.
HSI. After
and a 2-second
where
power
is proved
for a field-
control
The gas valve
and operate
it is ignited
proved.
by
the igniter
flame-proving
CPU begins
sensor
electrode
the blower-ON
hold the gas valve
within
the buruer
flame
at the
for up to three
more
flame
valve
to
Trials-For-Ignition
auto-
control
24 vac
CPU (not at
120 sizes)
R-to-W
before
stopping
34
motor
If the
not be present,
of Gas-Heating
the
mode
IDM until flame is no longer
buruer
on HEAT
or 45 seconds
the electronic
and remains
BLWM
Blower-Off
the ignition
should
flame
is proven,
the
speed
66 seconds
(040
(140
size)
after the gas
GV is energized.
motor
is not
flame
is energized
is energized
CPU will close the
CPU will repeat
reset
interrupting
or by interrupting
will lock out
Delay-
motor
Simultaneously,
control
and continues
If the buruer
the control
gas valve GV, and the control
sequence
the furuace
delay period
GV open.
two seconds,
FSE,
is proved
when
CPU
the inducer
Blower-On
blower
through
When
to the furuace,
furuace
period
be
W, G, R, etc.).
contacts
Flame-Proving
will
or by momentarily
at SEC1 or SEC2 to the furnace
If flame
5 seconds,
Lockout
after three hours,
GV, the gas
begins.
d. Flame-Proving-
proved
to Ignition-Lockout.
matically
warm-up
relay
the gas valve
gas flow to the burners
the Hot Surihce
Ibr
gas valve
and 24 vac power
hmnidifier
Termination of More than 12 in.
is Touching or 2-in. Maximum
Separation)
115 vac power
GVR-1
GV permits
Fig. 45--Sidewall
(Dimension "A"
IDM
PRS close
period.
is completed
opens,
motor
contacts
period.
period
installed
inducer
p- At the end of the prepurge
c. Trial-for-Ignition
valve
the
switch
prepurge
igniter
warm-up
As
the pressure
A96130
air cleaner
energized
tenninal
EAC-1
as long as the blower
is energized.
Delay-
circuit
When
is opened,
gas flow
the thennostat
de-energizing
to the burners,
is satisfied,
the
the gas valve GV,
and de-energizing
the
The electronic
air cleaner
terminal
EAC-1
115 vac when the blower motor
When the thermostat is satisfied,
are opened.
blower
The
motor
COOL
speed
DHUM
outdoor
unit
BLWM
will
will
to reduce
stop,
continue
for an additional
is energized
and the furnace
operating
90 seconds.
the cooling
with
BLWM is operating.
the R to G-and-Y circuits
off-delay
on
Jumper
the
Y/Y2 to
to 5 seconds.
(See
Fig. 31.)
b. Two-Speed
OPEN STAND "-7
PiPE FOR /
(See
A/COR/
Cooling
Fig. 27, 49, 51, 53, and 54 tbr thermostat
connec-
tions.)
HUMIDIFIER j[
DRAIN
The
thermostat
low-cooling
closes
or closes
for high-cooling.
the furnace
R
to G-and-Y1
circuits
the R to G-and-Yl-and-Y2
The R to Y1 circuit
on low-cooling
speed
the
blower
motor
The
BLWM
circuits
starts the outdoor
speed, and the R to G-and-Y1
as FAN).
for
on low-cool
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 furnace blower motor BLWM on
COOL
speed.
The electronic
with
115 vac
operating.
When the thennostat
A94054
G and-Y1
Fig. 46--Example
air cleaner
terminal
EAC-1 is energized
whenever
the blower
motor BLWM
is
of Field Drain Attachment
stops,
circuits
and the furnace
cleaner
temfinal
additional
CONDENSATE
is satisfied,
and-Y2
cooling
blower
EAC-I
90 seconds.
off-delay
THERMIDISTAT
the R to G and-Y1
are opened.
remain
energized
Y1 to DHUM
to 5 seconds.
"_
When
there
the DHUM
terminal.
input
dehumidify
(3 WRAPS
a. When
remain
terminal
energized
HUM.
The
for a 15-second
or 5-second (140 size) post-purge
BLWM and air cleaner terminal
gized
fur 90,
blower-OFF
factory-set
COOLING
inducer
delay
selection).
motor
(040 through
period.
EAC-1
120, 150, or 180 seconds
for a 120-second
BLWM
IDM
speed
will
The blower motor
will remain ener(depending
The furnace
control
blower-OFF
"calls
a. Single-Speed
CPU is
lbr cooling."
closes
circuit
control
is closed
running
no
detected
control
is low or
reverts
back
also applies
exceptions
the
are listed
and there
furnace
is a
blower
motor
speed
(same
at low-cool
Y.Y2
circuit
the
BLWM
will &op the blower
speed
the R to G-and
of
10 minutes
is closed
and there
fumace
blower
from
before
speed. If there is still a demand
20 minutes,
the furnace
blower
speed
back
minute
cycle
will
to HEAT
continue
control
speed.
as long
COOL
is a
motor
to HEAT
reverting
back
to
for dehumidification
CPU
will
&op
This alternating
as there
the
10-
is a call for
cooling.
c. When
the R to G-and-Y
The
for dehumidification,
after
Cooling
(See Fig. 27, 48, 50, and 52 for thermostat
The thermostat
continue
input
in item 2. above
demand
COOL
delay.
described
input
ON when
input, the furnace
If the DHUM
a Thermidistat.
for a maximum
on the
is turned
the furnace
from
the DHUM
24 vac is initially
lbr dehumidification,
will
the DHUM
as FAN).
b. When
120 sizes)
MODE
The thermostat
mode.
the R to G-and-Y1
demand
Trap Heat Tape
with
input
When
on the DHUM
operation
to operation
below:
A93036
humidifier
control
The cooling
MINIMUM)_
Fig. 47--Condensate
exists.
in Thennidistat
demand,
In other words,
OFF tbr more than 48 hours,
to non-Thermidistat
mode.
I_
connections.)
24 vac signal is removed
The DHUM
demand
by the furnace
TAPE_
the
(See Fig. 31.)
is a dehumidify
which means
logic is reversed.
HEAT
an
to reduce
output, DHUM
on the Thermidistat
to the furnace control thermostat temfinal
input is activated,
operates
air
for
MODE
The dehumidification
should be connected
WIRE TIE(S)_
unit
and electronic
(See Fig. 48, 49, 50, and 51 for Thermidistat
DHUM.
or R to
outdoor
BLWM
will
Jumper
The
connections)
circuits.
the "call
for cooling"
demand for dehumidification,
is decreased
from 90 seconds
The R to
CONTINUOUS
Y circuit starts the outdoor unit, and the R to G-and-Y.Y2
circuits start the furnace blower motor BLWM on COOL
BLOWER
When the R to G circuit
speed.
motor
35
BLWM
is satisfied
while
there
the cooling blower-off
to 5 seconds.
is a
delay
MODE
is closed by the thermostat,
will operate
on continuous-blower
the blower
speed
(can
THERMIDISTAT
SINGLE-STAGE
FURNACE
SINGLE-SPEED
AIR CONDITIONER
THERMIDISTAT
SINGLE-STAGE
FURNACE
SINGLE-SPEED
HEAT PUMP
N'AI_
RVS COOLING
N/A
N/A
HEAT STAGE
1
COOL STAGE
1
HEA _FSTANGA
E E2
FAN [_
HEAT/COOL STAGE 1
(COMPRESSOR)
24 VAC HOT [_
FAN [_
DEHUMIDIFY
24 VAC HOT [_
24 VAC COMM
DEHUMIDIFY
_
HUM
24 VAC COMM
HUMIDIFY
HUM
[ HUMIDIFIER
(24 VAC)
OOTOOOR
F_
HUMIDIFY
_1
[_
_
"'"-.
....4 HUMIDIFIER
(24 MAC)
I..........
_
::
OUTDOOR
SENSOR
N/A I_
coS_."_so,%Q_
OUTOOOR
_[_
See notes 2, 5, 7, and 10
A00268
See notes 1,2, 4, 6, 7, 9,10 and 12
Fig. 48-Single-Stage Furnace with Single-Speed
Air Conditioner
A00270
Fig. 50-Single-Stage Furnace with Single-Speed
Heat Pump (Dual Fuel)
THERMIDISTAT
SINGLE-STAGE
TWO-SPEED
FURNACE
THERMIDISTAT
SINGLE-STAGE
FURNACE
HEATPUMP
RVSOOOL,NG_
.....................................................
_
TWO-SPEED
AIR CONDITIONER
HEAT/COOL
STAGE
_I_
(COMPRESSOR LO)
COOLSTAGEI_
HE A_FSuTAGcEE__
HEATSTAGEI_
HEAT/COOL
STAGE HI)
2 _
(COMPRESSOR
...............
_
[_
NOTE 12
....................
........
......
_
..............
COOLSTAGE2_
_4VACHOTE2
_ ........ _ ........./_
FAN [_
24 VAC HOT [_
DEHUMIDIFY
[_
[_
24 VAC COMM
[_
[_::
_]t
/_
DEHUMIDIFY
24 VAC COMM
]
[_
]
HUM
"'-.
]
HUMIDIFY
HUMIDIFY
_
.....[
(24VAC)
HUMIDIFIER
] _
HUM
[_
................... t_L
(24 VAC))_
HUMIDIFIER
........
See notes 1, 2, 3, 4, 6, 8, 9,10
and 12
[
i
N/A [_
......
OUTOOOR
N/A [_
coS_."_s°,_o.-/[2_
OUTDOOR
SENSOR
°_Je_°o°_
_
CONNECT'ON
_I
_
A00271
See notes 2, 5, 8, and 10
Fig. 51-Single-Stage
Furnace with Two-Speed
Heat Pump (Dual Fuel)
A00269
Fig. 49-Single
Stage Furnace with Two-Speed
Air Conditioner
36
DUAL FUEL
THERMOSTAT
SINGLE-STAGE
FURNACE
SINGLE-SPEED
HEAT PUMP
DUAL FUEL
THERMOSTAT
RVS COOLING
RVS COOLING
SINGLE-STAGE
FURNACE
TWO-SPEED
HEAT PUMP
[_
N/A [_
[]
z
HEAT/COOL STAGE 2
(COMPRESSOR HI)
HEAT/COOL
STAGE 1
(COMPRESSOR/_
FAN
FAN[_
24 VAC COMM
[_
[_
N/A [_
N/A [_
RVS SENSING
[_
24 VAC I{OT [_
24 VAC HOT[_
24 VAC COMM
!
RVS SENSING
[_
OUTDOOR
[_
_[_
DONNEDT,ON
See notes 1, 2, 4,11,12,
See notes 1 2, 3, 4 11,12, and 14
and 13
A02103
A02102
Fig. 53-Dual Fuel Thermostat with Single-Stage
Furnace and Two-Speed Heat Pump
Fig. 52-Dual Fuel Thermostat with Single-Stage
Furnace and Single-Speed Heat Pump
TWO-STAGE
THERMOSTAT
SINGLE-STAGE
FURNACE
TWO-SPEED
AIR CONDITIONER
-I-q
"E_
D"
- :LD
U
HUM
Seenote2
',
HUMIDFIER
(24VAC)
A02161
Fig. 54-Two-Stage Thermostat with Single-Stage
Furnace and Two-Speed Air Conditioner
37
.. ',
Notes For Figure 48-54
i. Heat pump
2. Refer
MIST
have a high pressure
to outdoor
equipment
3. Select the "ZONE"
4. Outdoor
position
Air Temperature
switch
Installation
on the two-speed
Sensor
for dual fuel applications.
Instructions
nmst
for additional
heat pump
be attached
No.
1 on Thennidistat
should
be set in OFF
No.
1 on Thennidistat
should
be set inON
7. Dip switch
No. 2 on Thennidistat
should
be set in OFF
8. Dip switch
No. 2 on Thennidistat
should
be set in ON position
Option
No.
should
10 "Dual
be made
Selection"
11. The RVS
Sensing
12. DO NOT
SELECT
the "FURNACE
internally
by the Thennidistat_ual
controlled
terminal
Fuel
to the furnace
"L"
should
position
position
for air conditioner
for heat pump
position
for single-speed
nmst be tumedON
HUM
terminal
not be connected.
INTERFACE"
should
be set in OFF
should
be set in ON position
to FAN,
speed)
energized
HEAT,
speed.
as long as the blower
motor
During
a call for heat,
igniter
warm-up
blower-ON
seconds),
allowing
quickly,
delay period
delay period
at HEAT
before
speed
will
speed
(stone
operate
continuous-blower
as
motor
BLWM
mostat
thermostat
is satisfied,
will
operate
at COOL
furnace
blower
speed.
back
is opened,
blower
Blower
different
BLWM
to HEAT
motor
Speed
BLWM
Selection
is operating.
speed.
from
control
turning
an
begin
back
can be changed
in the memory
power
interruption.
HEAT
PUMP
fi'om COOL
back
blower-OFF
switch
speed
with
changes
a heat
the blower
pump,
tinting
will
If the R
leaving the G signal, the
on for the selected blower-
to W-and-Yl-and-YY2-and-G
the furnace
motor
control
BLWM
The blower
CPU will
at HEAT
motor
switch
speed,
BLWM
to
and
will remain
the furnace
control
and the blower
delay.
motor
delay
begins
a normal
switches
inducer
to COOL
If the R to W-and-YiY2-and-G
signals
BLWM
period.
disappear
will remain
speed
or R to
at the
same
on for the selected
If the R to W-and-Y
Y2 or R to
period
nents
delay
then
switch
to continuous-blower
and is
a
The
control
auto-
to avoid
long
38
TEST
furnace
control
to run for a short time;
terminal
HUM
terminal
is energized
helps
diagnose
The
component
is present
completed.
sequence
BLWM
blower-OFF
signal
the furnace
motor
delay period.
signals disappear, leaving the G signal,
BLWM
will remain
on for the selected
---) NOTE:
MODE
installed
matically
speed
signals
W-and-Yl-and-YiY2
the blower
motor
COMPONENT
speed.
tbllowing
and
for the selected
to low-cool
the blower
the
period
speed.
will shift the
used
speed
switches
blower-OFF
or R
period
fune, the blower
(See Fig. 50, 51, 52, and 53 for thermostat
connections.)
When
time,
W-and-Yl-and-YiY2-and-G
room
of FAN
to FAN
disappears,
post-purge
at HEAT
disappear,
will remain
cycle.
disappears,
post-purge
-To
as many times as desired
to be automatically
a heating
signal
CPU will shift
the procedure
then come back
on until the end of the prepurge period, then shut off for 24
seconds then come back on at HEAT speed. When the W input
BLWM
off the FAN
When the R to
If the R to W-and-Yl-and-G
at the same
signals
BLWM
inducer
then
on for the selected
on the blower
setting
Repeating
stored
running
or turn
f_com the
will shift the continuous-blower
The selection
as FAN').
after a 3-second
from HEAT
speed
(same
speed
default.
circuits are energized the
to or turn on the blower
the W input signal
period
the ther-
if no other
again at the thermostat
continuous-blower
delay
are energized
Thermostat
fi'om the factory
Momentarily
This is
OFF delay period then switch to continuous-blower
speed.
When the R to W-and-Y/Y2,
R to W-and-YiY2-and-G,
R to
operation.
speeds
The fumace
speed
to COOL.
remains
blower-OFF
circuits
motor
5 seconds,
This is factory
def_cost cycles.
a normal
blower
reverting
the blower
continuous-blower
the continuous-blower
demand
When
begins
to W-and-Y1
blower motor
thermostat,
momentarily
turn off the FAN switch or pushbutton on the room thermostat for 1-3 seconds after the blower
motor
operation.
then shut off for 24 seconds
speed.
the blower
remain
to
will operate
before
for an additional
the
When
BLWM
speed
board.
at HEAT speed, and begin a heating cycle. The
BLWM will remain on until the end of the
control
disappear
motor
on low-cool
reverting
speed.
motor
control
operation.
during
period,
on at HEAT
blower-OFF
for high-cooling",
the blower
operating
requires
select
prepurge
to heat
the blower
ofttimes
motor BLWM
blower motor
and
120 sizes
the
compressor
W-and-Yl-and-YiY2,
"calls
the R to G circuit
Continuous
hold
90 seconds
before
additional 90 seconds on COOL
to continuous-blower
speed.
function
during
at low-cool speed (stone speed
is satisfied, the blower motor
FAN)
heat pump
W-and-Y1
or R to W-and-Yl-and-G
furnace control (7PLY will switch
speed.
the
will continue
stop
seconds),
to continuous-blower
an additional
speed
When
When
will
"calls for low-cooling",
BLWM will switch to operate
as FAN). When the thermostat
BLWM
(7
during the selected
reverting
the thermostat
This is fi_ctory defimlt.
operation.
on the two-speed
compressor
blower
is
is energized.
will
heat exchangers
CPU
to sense defrost
option
for single-speed
at the end of the blower-ON
control
used
fbr two-speed
speed.
the furnace
BLWM
EAC-1
for 040 through
the furnace
then restarts
at HEAT
In heating,
BLWM
ignition
position
at the thermo-
Terminal
BLWM
delay (66 or 45 seconds
up more
When
the blower
(17
or for 140 size),
motor
or COOL
is FAN"
operation.
operation.
Fuel Themlostat.
D on Dual Fuel Thermostat
default
compressor
compressor
POINT"
D on Dual Fuel Thermostat
Factory
default.
a Thermidistat.
This is internally
or "BALANCE
This is factory
in all dual fuel applications.
when using
14. Dip switch
stat.
installations.
installations.
for two-speed
13. Dip switch
be adjusted
procedure.
control.
6. Dip switch
9. Configuration
and setup
in all dual fuel applications.
5. Dip switch
i0. NO connection
infomlation
component
except
are not energized
when
a system
test
for safety
the blower
problem
feature
will
ant the control
test
allows
the gas valve
all compo-
and humidifier
reasons.
is energized.
The EAC-1
This feature
in case of a component
not
operate
if any
and not until
all time
failure.
thermostat
delays
are
To Begin Component Self-Test:
¥.t_ _I_
Blower
access
panel
control.
No component
door
switch
operation
taken when manually
Failure
_
closing
iniury,
i. Remove
access
4. For approximately
Caution
to
must be
in electrical
R lead from furnace
door
enclosure.
nal on control
until
shock,
control.
(iumper)
If TEST/TWIN
longer
than 2 sec, LED
will
quick-connect
goes of£ Remover
ONLY
are jumpered
a. LED will
and ignore
component
b. Inducer
motor
component
c. After
is as follows:
display
combustion-air
furnace,
previous
starts
and reset
switch.
press
Condensate
button
to gas
occurs in buruer
supply
or im-
DO NOT jumper
check flame roll-out
manual
to reset
Trap With
trap must be PRIMED
be primed
of condensate
i.
test sequence
inadequate
condition
If necessary,
Condensate
from
test request.
Component
(flame rollout)
reset switch
switch.
Water
termi-
jumper
COM-24V terminals
flash rapidly
reset limit switch
condition
occur. The condensate
and
with a manual
will open and shut offpower
the COM-24V terminal
(See Fig. 31.)
NOTE:
operating
for continuity.
Step 2--Prime
3/16-inch
the LED
Correct
proper venting
this switch.
switch.
2 sec, short
are equipped
valve if an overheat
Before
to the TEST/TWIN
terminals.
power
door.
close blower
on control
can occnr.
could result
the thermostat
3. Manually
115-v
or death.
blower
2. Disconnect
opens
furnaces
in burner box. This switch
this switch for smwice purposes.
to follow this warning
personal
These
Remove
or proper
trap has 2 intemal
by pouring
draining
chambers
water into the inducer
may not
which can
drain side
trap.
upper
inducer
housing
drain
connection
cap.
(See
Fig. 55.)
stares
code 4 times.
and continues
to run until
Step g of
test sequence.
7 seconds
the hot suri_ace igniter
is energized
for 15
sec., then of£
d. Blower
motor
operates
on Continuous-FAN
speed
for I0
sec.
e. Blower
motor
operates
on HEAT
speed
for 10 sec.
f. Blower
motor
operates
on COOL
speed
for I0 sec.
g. Inducer
5. Reconnect
motor
door switch,
6. Operate
7. Verify
furuace
room
8. Verify
roolI1
and re-install
furuace
below
stops.
R lead to furuace
per instruction
shut
down
remove
tape l'rom blower
door.
on outer door.
by
lowering
thermostat
setting
temperature.
that furuace
restarts by raising thermostat
setting
above
temperature.
START-UP
Step
control,
blower
PROCEDURES
\
1--General
i. Furnace
must have a 115-v power
supply
properly
connected
and grounded.
NOTE:
polarity
Proper
polarity
is incorrect,
and furnace
must be maintained
control
for 115-v wiring.
LED status indicator
If
A99118
will flash rapidly
Fig. 55--Inducer
will not operate.
2. Thermostat
wire connections
at terminals R, W, G, and Y/Y2
nmst be made at 24-v terminal block on furnace control.
3. Natural
gas selwice
pressure
must not exceed
wc), and be no less than 0.16 psig (4.5-in.
4. Blower
access panel must
electrical circuit to furuace.
be
in place
2. Connect field-supplied ii2-in.
housing drain connection.
0.5 psig (14-in.
3. Insert field-supplied
wc).
to complete
Housing Drain Tube Cap
ID robe to upper
inducer
funnel into robe.
4. Pour 1 quart of water into l'unnelimbe. Water should run
through inducer housing, overfill condensate trap, and flow
into open field drain. (See Fig. 56.)
l15-v
5. Remove funnel and robe from inducer housing and replace
drain connection cap and clamp.
39
d. Find installation
NOTE:
altitudes
altitude
in Table
9 or I0.
For Canadian
altitudes
of 2001 to 4500
of 2001 to 3000 ft in Table 9 or 10.
e. Find closest natural
Table 9 or i0.
f. Follow
heat
value
intersection
settings
and
to find
for proper
EXAMPLE:
Heating
gas heat value
ft altitude
1050 Btuicu
0.62
No. 45 and
Manifbld
3.6-in.
pressure
example
gravity
lines
and
manifold
gravity
in
to point
of
pressure
is shipped
using Table
9)
ft
Specific gravity
Therefore:
Orifice
* Furnace
size
and specific
operation.
(0-2000
value
specific
orifice
It, use U.S.A.
wc
with No. 45 orifices.
all main burner
orifices
and do not need to be changed
In this
are the correct
to obtain
size
the proper
input rate.
Check
and verify burner
ORIFICE
SIZE;
2. Adjust
NOTE:
\
pressure
pressure
burner
enclosure
b. Remove
seal cap that
c. Jumper
Trap
NEVER
ASSUME
AND VERIFY.
to obtain
must
a. Remove
valve regulator.
A99119
Condensate
manifold
Manifold
size in furnace.
CHECK
ahvays
input
rate.
be measured
enclosure
front REMOVED.
Gas meter must
with burner enclosure front INSTALLED.
/_.i__
Fig. 56--Filling
orifice
ALWAYS
with burner
always
be clocked
front.
conceals
adjustment
screw
for gas
on control
to start
(See Fig. 57.)
R and W thermostat
connections
furrlace.
Step 3--Purge
Gas Lines
If not previously
made and check
Never
for
purge
gas
done, purge
for leaks.
a gas line into a combustion
leaks
available
with
Step
an
soap solution
leaks to check
could result
lines after all connections
open
made
flame.
chamber.
Use
specifically
all connections.
in fire, explosion,
have been
Never
test
a commercially
for the detection
Failure
to follow
personal
injury,
of
this warning
or death.
4--Adjustments
SET GAS
Furnace
INPUT
up to 2000
at altitudes
ft.
In the U.S.A.,
reduced
RATE
gas input rate on rating plate is fbr installations
the input ratings
by 2 percent
for each
for altitudes
above
1000 ft above
2000 ft must be
sea level.
In Canada, the input ratings must be derated by 5 percent
altitudes between 2001 ft to 4500 ft above sea level.
Furnace
rating
input rate must be within
plate
adjusted
i. Determine
correct
natural
± 2 percent
of input
for
A00238
on furnace
for altitude.
Fig. 57--Redundant
gas orifice
size and manifold
pressure
d. Turn adjusting screw, counterclockwise
(out) to decrease
manilbld
pressure
or clockwise
(in) to increase manifold
mput.
a. Obtain
local
average
c. Verify
gas heat
value
(at installed
altitude)
fi'om
pressure.
gas supplier.
b. Obtain average
furnace
model
58MXA
(1000's
Btuh)
used for model
Automatic Gas Control Valve
for
gas specific
model
gravity
from local gas supplier.
and size. Table
furnaces
with
of 040 through
58MXA
fumaces
rating
9 can only be used for
plate
120. Table
heating
inputs
10 can only be
with a heating
size of 140.
40
Table 9--Model 58MXA Orifice Size and Manifold Pressure for Correct Input
For Use with 040 through 120 Size Furnaces Only
(Tabulated Data is Based on 20,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) *
ALTITUDE
RANGE
(FT)
0.64
0,66
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
850
43
3.7
43
3.8
42
3.2
42
3.3
42
3.4
875
43
3.5
43
3.6
43
3.7
43
3.8
42
3.2
900
44
3.7
43
3.4
43
3.5
43
3.6
43
3.7
925
44
3.5
44
3.7
44
3.8
43
3.4
43
3.5
950
44
3.4
44
3.5
44
3.6
44
3.7
44
3.8
975
44
3.2
44
3.3
44
3.4
44
3.5
44
3.6
1000
45
3,7
45
3,8
44
3.2
44
3.4
44
3.5
1025
45
3.5
45
3.6
45
3.7
44
3.2
44
3.3
1050
45
3,3
45
3,4
45
3,6
45
3,7
45
3,8
0%
1075
45
3.2
45
3.3
45
3,4
45
3,5
45
3,6
derate
1100
47
3.6
47
3.7
45
3.2
45
3.4
45
3.5
to
2000
ALTITUDE
RANGE
(Ft)
(BTU/CU
FT)
Avg GAS
HEAT VALUE
AT ALTITUDE
SPECIFIC
0.58
GRAVITY OF NATURAL
0.60
GAS
0,62
0.64
0.66
(Btu/cu if)
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
U,S,A,
775
43
3.8
42
3.2
42
3.3
42
3.4
42
3.5
Altitudes
800
43
3.5
43
3.7
43
3.8
42
3.2
42
3.3
825
44
3.8
43
3.4
43
3.6
43
3.7
43
3.8
850
44
3.6
44
3.7
44
3.8
43
3.5
43
3.6
or
875
44
3.4
44
3.5
44
3.6
44
3.7
43
3.4
Canada
900
44
3.2
44
3.3
44
3.4
44
3.5
44
3.6
Altitudes
925
45
3,7
45
3,8
44
3.2
44
3.3
44
3.4
2001 to
4500
950
45
3,5
45
3,6
45
3,7
45
3,8
44
3.3
975
45
3.3
45
3.4
45
3.5
45
3.6
45
3.8
5%
1000
45
3,1
45
3,2
45
3,4
45
3,5
45
3,6
derate
1025
45
3.0
45
3.1
45
3.2
45
3.3
45
3.4
2001 to
3000
SPECIFIC
GRAVITY OF NATURAL
GAS
Avg GAS
HEAT VALUE
AT ALTITUDE
(Btu/cu if)
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
750
43
3.7
43
3.8
42
3.3
42
3.4
42
3.5
775
43
3.5
43
3.6
43
3.7
43
3.8
42
3.2
800
44
3.7
43
3.4
43
3.5
43
3.6
43
3.7
825
44
3.5
44
3.6
44
3.8
43
3.4
43
3.5
850
44
3.3
44
3.4
44
3.5
44
3.7
44
3.8
875
45
3,8
44
3.2
44
3.3
44
3.5
44
3.6
900
45
3,6
45
3,7
45
3,8
44
3.3
44
3.4
925
45
3,4
45
3,5
45
3,6
45
3,7
44
3.2
950
45
3,2
45
3,3
45
3,4
45
3,5
45
3,7
7%
975
45
3,0
45
3,2
45
3,3
45
3,4
45
3,5
derate
1000
45
2.9
45
3.0
45
3.1
45
3.2
45
3.3
ALTITUDE
RANGE
(Ft)
3001
O
_
GAS
Manifold
Pressure
r_
___
OF NATURAL
0.62
Orifice
No.
r_
_.
0.60
Manifold
Pressure
0
"o
SPECIFIC GRAVITY
0.58
Orifice
No.
r_
(3
"u
AVG GAS
HEAT VALUE
AT ALTITUDE
to
4000
0.58
0.60
0.62
* Orifice numbers 45 shown in BOLD are factory installed
Percents of derate are based on midpoints
of U.S. altitude ranges
4!
0.64
0,66
TABLE 9--Model
58MXA Orifice Size and Manifold Pressure for Correct Input (Continued)
for Use With 040 Through 120 Size Furnaces Only
(Tabulated Data Based on 20,000 Btuh per Burner, Derated 2 Percent for Each 1000 ft Above Sea Level)*
GAS
Manifold
Pressure
Orifice
No
Manifold
Pressure
Orifice
No
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
725
43
37
43
38
42
32
42
3.3
42
3.4
760
43
34
43
35
43
37
43
3.8
42
3.2
775
44
37
44
38
43
34
43
3.5
43
3.7
800
44
35
44
36
44
37
44
3.8
43
3.4
825
44
32
44
34
44
35
44
3.6
44
3.7
860
45
3.7
45
3.8
44
3.3
44
3.4
44
3.5
875
45
3,5
45
3,6
46
3,7
44
3.2
44
3.3
6000
900
45
3,3
45
3,4
46
3,5
45
3,6
45
3.8
9%
925
45
3,1
45
3,2
46
3,3
46
3.4
46
3.6
derate
960
45
3.0
45
3.1
46
3.2
46
3.3
46
3,4
4001
o
to
ALTITUDE
RANGE
(Ft)
6001
o
to
6000
11%
derate
0,68
0.60
0.62
SPECIFIC
0.64
GRAVITY OF NATURAL
0,66
GAS
Avg GAS
HEAT VALUE
AT ALTITUDE
(Btu/cu ft)
Orifice
No
Manifold
Pressure
Orifice
No
Manifold
Pressure
Orifice
No
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
700
43
36
43
37
42
32
42
3.3
42
3.4
725
43
34
43
35
43
36
43
3.7
43
3.8
760
44
36
44
37
43
34
43
3.5
43
3.6
775
44
34
44
35
44
36
44
3.7
43
3.4
800
44
32
44
33
44
34
44
3.5
44
3.6
825
45
3.6
45
3.7
44
3.2
44
3.3
44
3.4
860
45
3,4
45
3,5
46
3,6
46
3.8
44
3.2
875
45
3,2
45
3,3
46
3,4
46
3.6
46
3.7
900
45
3,0
45
3,1
46
3,3
46
3.4
46
3.5
925
45
2,9
45
3,0
46
3,1
46
3,2
46
3.3
960
45
2,7
45
2,8
46
2,9
46
3,0
46
3.1
975
45
2,6
45
2,7
46
2,8
46
2.9
46
2.9
1000
45
2.5
45
2.5
46
2.6
46
2.7
46
2.8
0.68
0.60
0,62
SPECIFIC
0.64
GRAVITY OF NATURAL
0.66
GAS
Avg GAS
HEAT VALUE
AT ALTITUDE
(Btu/cu ft)
Orifice
No
Manifold
Pressure
Orifice
No
Manifold
Pressure
Orifice
No
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
660
42
32
42
33
42
34
42
3.5
42
3.6
675
43
36
43
37
43
38
42
3.2
42
3.3
700
44
38
43
34
43
36
43
3.7
43
3.8
725
44
36
44
37
44
38
43
3.4
43
3.5
760
44
33
44
34
44
36
44
3.7
44
3.8
775
46
3.8
44
32
44
33
44
3.4
44
3.5
800
45
3.5
45
3.7
46
3.8
44
3.2
44
3.3
7000
825
45
3.3
45
3.4
46
3.6
45
3,7
48
3.8
13%
860
45
3.1
45
3.2
46
3.4
46
3,5
46
3.6
derate
875
45
3.0
45
3.1
46
3.2
46
3,3
46
3,4
ALTITUDE
RANGE
(Ft)
6001
o
4
OF NATURAL
Orifice
No
(FT)
4
SPECIFIC GRAVITY
AVG GAS
HEAT VALUE
AT ALTITUDE
(BTU/CU FT)
ALTITUDE
RANGE
to
(Q.
* Orifice numbers
0.68
0.60
0,62
45 shown in BOLD are factory installed.
Percents of derate are based on midpoints
of U.S. Altitude ranges.
42
0.64
0.66
Table 9--Model
58MXA Orifice Size and Manifold Pressure for Correct Input (Continued)
For Use with 040 through 120 Size Furnaces Only
(Tabulated Data Based on 20,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) *
ALTITUDE
RANGE
(FT)
0.84
0,68
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
625
43
3.8
42
3.3
42
3.4
42
3.5
42
3.6
650
43
3.5
43
3.7
43
3.8
42
3.2
42
3.3
675
44
3.8
43
3.4
43
3.5
43
3.6
43
3.7
700
44
3.5
44
3.6
44
3.8
43
3.4
43
3.5
725
44
3.3
44
3.4
44
3.5
44
3.6
44
3.7
750
45
3,7
48
3,8
44
3.3
44
3.4
44
3.5
775
45
3.5
45
3.6
45
3.7
45
3.8
44
3.3
8000
800
45
3.3
45
3.4
45
3.5
45
3.6
45
3.7
15%
825
45
3.1
45
3.2
45
3.3
45
3.4
46
3.5
derate
850
45
2.9
45
3.0
45
3.1
45
3.2
45
3.3
(BTU/CU
FT)
Avg GAS
HEAT VALUE
AT ALTITUDE
SPECIFIC
0.58
GRAVITY OF NATURAL
0.80
GAS
0,82
0.84
0.68
(Btu/cu ft)
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
600
43
3.8
42
3.3
42
3.4
42
3.5
42
3.6
625
43
3.5
43
3.6
43
3.8
42
3.2
42
3.3
650
44
3.7
43
3.4
43
3.5
43
3.6
43
3.7
675
44
3.5
44
3.6
44
3.7
44
3.8
43
3.4
700
44
3.2
44
3.3
44
3.4
44
3.6
44
3.7
725
45
3,6
45
3,8
44
3.2
44
3.3
44
3.4
9000
750
45
3.4
45
3.5
45
3.6
45
3.8
44
3.2
17%
derate
775
45
3.2
45
3.3
45
3.4
45
3.5
45
3.6
800
45
3.0
45
3.1
45
3.2
45
3.3
45
3.4
8001
O
to
SPECIFIC
GRAVITY OF NATURAL
GAS
Avg GAS
HEAT VALUE
AT ALTITUDE
(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
42
3.2
42
3.3
42
3.5
42
3.6
600
43
3.5
43
3.6
43
3.7
42
3.2
42
3.3
625
44
3.7
44
3.8
43
3.5
43
3.6
43
3.7
650
44
3.4
44
3.5
44
3.7
44
3.8
43
3.4
675
48
3,8
44
3.3
44
3.4
44
3.5
44
3.6
700
45
3.6
45
3.7
45
3,8
44
3.3
44
3.4
10,000
725
45
3.3
45
3.4
45
3.6
45
3.7
45
3.8
19%
750
45
3.1
45
3.2
45
3.3
45
3.4
45
3.5
derate
775
45
2.9
45
3.0
45
3.1
45
3.2
45
3.3
ALTITUDE
RANGE
(ft)
9001
O
_
GAS
Manifold
Pressure
ALTITUDE
RANGE
(Ft)
___
OF NATURAL
0.82
Orifice
No.
to
_
0.80
Manifold
Pressure
7001
___
SPECIFIC GRAVITY
0.58
Orifice
No.
O
_
AVG GAS
HEAT VALUE
AT ALTITUDE
to
Orifice numbers
0.98
0.80
0,82
45 shown in BOLD are factory installed.
Percents of derate are based on midpoints
of U.S. altitude ranges
43
0.84
0.88
Table 10--Model
58MXA Orifice Size and Manifold Pressure for Correct Input
For Use with 140 Size Furnaces Only
(Tabulated Data Based on 23,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) *
ALTITUDE
RANGE
(FT)
0.50
OF NATURAL
GAS
0.52
0.64
0,66
Mani_ld
Pressure
Orifice
No.
Mani_ld
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
850
41
3.6
4!
3.7
41
3.8
40
3.6
40
3.8
875
42
3.8
4!
3.5
41
3.6
41
3.7
41
3.8
900
42
3.5
42
3.7
42
3.8
41
3.5
41
3.6
925
42
3.4
42
3.5
42
3.6
42
3.7
42
3.8
950
42
3.2
42
3.3
42
3.4
42
3.5
42
3.6
975
43
3.7
43
3.8
42
3.2
42
3.3
42
3.4
1000
43
3.5
43
3.6
43
3.7
42
3.2
42
3.3
1025
43
3.3
43
3.4
43
3.6
43
3.7
43
3,8
1050
43
3.2
43
3.3
43
3.4
43
3,5
43
3.6
0%
1075
44
3.5
44
3.6
43
3.2
43
3,3
43
3.4
derate
1100
44
3.3
44
3.4
44
3.5
43
3.2
43
3,3
O
to
2000
D
ALTITUDE
RANGE
(ft)
(BTU/CU
FT)
AVG GAS
HEAT VALUE
AT ALTITUDE
SPECIFIC
0.58
GRAVITY OF NATURAL
0.50
GAS
0.52
0.54
0.65
(Btu/cu if)
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
U,S,A,
775
41
3.7
41
3.8
40
3.6
40
3.7
39
3.6
Altitudes
800
42
3.8
4!
3.6
41
3.7
41
3.8
40
3.6
2001 to
825
42
3.6
42
3.7
41
3.5
41
3.6
41
3.7
3000 or
Canada
850
42
3.4
42
3.5
42
3.6
42
3.7
41
3.5
875
42
3.2
42
3.3
42
3.4
42
3.5
42
3.6
Altitudes
900
43
3.7
43
3.8
42
3.2
42
3.3
42
3.4
200t to
925
43
3.5
43
3.6
43
3.7
42
3.2
42
3.3
4500
950
43
3.3
43
3.4
43
3.5
43
3.7
43
3.8
975
43
3.1
43
3.3
43
3.4
43
3,5
43
3.5
5%
1000
43
3.0
43
3.1
43
3.2
43
3,3
43
3,4
derate
1025
43
2.8
43
2.9
43
3.0
43
3,1
43
3,2
SPECIFIC
GRAVITY OF NATURAL
GAS
AVG GAS
HEAT VALUE
AT ALTITUDE
(Btu/cu if)
Orifice
No.
Mani_ld
Pressure
Orifice
No.
Mani_ld
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
750
41
3.6
41
3.8
40
3.6
40
3.7
40
3.8
775
42
3.8
41
3.5
41
3.6
41
3.7
40
3.6
800
42
3.5
42
3.7
42
3.8
41
3.5
41
3.6
825
42
3.3
42
3.4
42
3.6
42
3.7
42
3.8
850
43
3.8
42
3.2
42
3.4
42
3.5
42
3.6
875
43
3.5
43
3.7
42
3.2
42
3.3
42
3.4
900
43
3.4
43
3.5
43
3.6
43
3,8
42
3.2
925
43
3.2
43
3.3
43
3.5
43
3.5
43
3,7
950
43
3.1
43
3.2
43
3.3
43
3,4
43
3.5
7%
975
43
2.9
43
3.0
43
3.1
43
3.2
43
3.3
derate
1000
43
2.8
43
2.9
43
3.0
43
3.0
43
3.1
ALTITUDE
RANGE
(ft)
___
SPECIFIC GRAVITY
0,58
Orifice
No.
0
_
AVG GAS
HEAT VALUE
AT ALTITUDE
3001
O
_
to
D
4000
* Orifice numbers
0.58
0.50
0.52
43 shown in BOLD are factory installed.
Percents of derate are based on midpoints
of U.S. altitude ranges.
44
0.54
0,66
Table 10--Model
58MXA Orifice Size and Manifold Pressure for Correct Input (Continued)
for Use With 140 Size Furnaces Only
(Tabulated Data Based on 23,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) *
GAS
0.64
0,66
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
725
41
3.6
4!
3.7
41
3.8
40
3.6
40
3.8
750
42
3.7
42
3.8
41
3.6
41
3.7
41
3.8
775
42
3.5
42
3.6
42
3.7
42
3.8
41
3.6
800
42
3.3
42
3.4
42
3.5
42
3.6
42
3.7
825
43
3.7
42
3.2
42
3.3
42
3.4
42
3.5
850
43
3.5
43
3.6
43
3.8
42
3.2
42
3.3
875
43
3.3
43
3.4
43
3.6
43
3.7
43
3.8
900
43
3.1
43
3.3
43
3.4
43
3.5
43
3.6
9%
925
43
3.0
43
3.1
43
3.2
43
3.3
43
3.4
derate
950
43
2.8
43
2.9
43
3.0
43
3.1
43
3.2
(BTU/CU
5000
FT)
SPECIFIC
AVG GAS
HEAT VALUE
AT ALTITUDE
ALTITUDE
RANGE
0.68
GRAVITY OF NATURAL
0.60
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
700
41
3.5
41
3.7
41
3.8
40
3.6
40
3.7
725
42
3.7
42
3.8
41
3.5
4!
3.6
41
3.8
750
42
3.4
42
3.5
42
3.7
42
3.8
41
3.5
775
42
3.2
42
3.3
42
3.4
42
3.5
42
3.7
800
43
3.7
43
3.8
42
3.2
42
3.3
42
3.4
825
43
3.6
43
3.6
43
3.7
43
3.8
42
3.2
850
43
3.3
43
3.4
43
3.5
43
3.6
43
3.7
875
43
3.1
43
3.2
43
3.3
43
3.4
43
3.5
900
43
2.9
43
3.0
43
3.1
43
3.2
43
3.3
925
43
2.7
43
2.8
43
2.9
43
3.0
43
3.1
950
43
2.6
43
2.7
43
2.8
43
2.9
43
3.0
11%
975
43
2.5
43
2.6
43
2.6
43
2.7
43
2.8
derate
1000
43
2.3
43
2.4
43
2.5
43
2.6
43
2.7
(ft)
5001
O
to
6000
SPECIFIC
GRAVITY OF NATURAL
GAS
AVG GAS
HEAT VALUE
AT ALTITUDE
(Btu/cu ft)
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
650
41
3.8
40
3.6
40
3.7
40
3.8
39
3.7
675
41
3.5
41
3.6
41
3.7
40
3.6
40
3.7
700
42
3.6
42
3.7
41
3.5
41
3.6
41
3.7
725
42
3.4
42
3.5
42
3.6
42
3.7
42
3.8
750
43
3.8
42
3.3
42
3.4
42
3.5
42
3.6
775
43
3.6
43
3.7
43
3.8
42
3.3
42
3.4
800
43
3.4
43
3.5
43
3.6
43
3.7
43
3.8
825
43
3.2
43
3.3
43
3.4
43
3.5
43
3.6
13%
850
43
3.0
43
3.1
43
3.2
43
3.3
43
3.4
derate
875
43
2.8
43
2.9
43
3.0
43
3.1
43
3.2
ALTITUDE
RANGE
(ft)
6001
to
u_
:5
OF NATURAL
0.62
Orifice
No.
to
O
0.60
Manifold
Pressure
O
>,
0.68
Orifice
No.
4001
(,3
:5
SPECIFIC GRAVITY
AVG GAS
HEAT VALUE
AT ALTITUDE
ALTITUDE
RANGE
(FT)
7000
0.68
0.60
0,62
0.64
0.66
* Orifice numbers 43 shown in BOLD are factory installed
Percents of derate are based on midpoints
NOTE:
This furnace
has been
of U.S. altitude ranges
approved
for a manilbld
of 3.2 in. wc to 3.8 in. wc when installed
For altitudes above 2000 ft, the manifold
from 2.0 in. wc to 3.8 in. wc. If manifold
range,
change
burner
orifices
to obtain
pressure
at altitudes up to 2000 ft.
pressure can be adjusted
pressure
pressure
is outside
bottom-out
gas valve
This can result in unregulated
excess
NOTE:
been
overfire
and heat exchanger
If orifice
hole appears
re&illed,
check
orifice
regulator
manifold
with
screw.
and result in
Never
re&ill
an orifice.
hole is essential
A burr-free
for proper
flame
and squarely
characteristics.
re&ill
orifices.
round holes,
misdirection
etc.) can
of bumer
impingement
of burners
Improper
&illing
(burrs,
out-of-
cause excessive
burner noise and
flames.
This can result in flame
and heat exchangers
causing
failures.
(See Fig. 58.)
e. Replace gas valve regulator adjustment screw seal cap.
or it is suspected
a numbered
orifice
DO NOT
fuilures.
damaged
hole
adjusting
pressure
size.
aligned
this
in this range.
r:l ['_=ii[']'_
DO NOT
con'ect
&ill
to have
f. Replace burner enclosure front and verify adjusted
input rate using method outlined in item 3.
bit of
45
gas
BURNER
FLAME "_
f- BURNER
- BURNER J
ORIFICE
MANIFOLD J
A89020
A93059
Fig. 58--Orifice
Fig. 59--Burner
Holes
Flame
CANADA
g. Look
through
sight
flame.
Burner
burner
transparent.
h. Remove
3. Verify
NOTE:
pipes,
Be
sure
and burner
in burner
flame
enclosure
should
and check
be clear
blue,
At
almost
from R and W.
pressure
tubing,
must
altitudes
between
be derated
2001
5 percent
to 4500
It, this
by an authorized
nmltiplier
gas meter.
combustion-air
and
box cover front are in place when checking
vent
factor.
Table 11-Altitude
Derate Multipler for U.S.A.
input
ALTITUDE
(FT)
0-2000
PERCENT
OF DERATE
0
DERATE MULTIPLIER
FACTOR*
2001-3000
4-6
0.95
100,000 Btuh input furnace installed at 4300 ft.
3001-4000
6-8
0.93
Derate
Furnace Input Rate
4001-5000
8-10
0.91
Multiplier
Factor
at Installation
Altitude
5001-6000
10-I2
0.89
6001-7000
12-14
0.87
0.91
91,000
7001-8000
14-16
0.85
8001-9000
16-18
0.83
9001-10,000
18-20
0.81
by clocking
gas meter.
EXAMPLE:
Furnace Input Rate
at Sea Level
X
100,000
X
a. Calculate
UNITED
At altitudes
high-altitude
STATES
above
for a 2 percent
Table
adjustment
ft, this furnace
derate for each
11 for derate
(if required).
nmltiplier
1.00
factors are based on midpoint altitude for altitude range
* Derate multiplier
2000
Gas
Conversion
Station or Dealer. To determine
correct input
rate for altitude, see example above and use 0.95 as derate
gas input rate by clocking
all
installation
furnace
(See Fig. 59.)
jumper
natural
glass
has been approved
1000 f't above
sea level. See
b. Reinstall
factor.
burner
c. Gas valve
d. Turn
f. Measure time
revolution.
to Table
h. Multiply
46
seal cap MUST
off all other gas applications
e. Start furnace
g. Refer
box cover.
regulator
and let operate
natural
utility
supplier.
and pilots.
for 3 minutes.
(in sec) for gas meter
12 for cuft
gas rate
using
be on.
1
of gas per hr.
(cu ft&r)
gas
to dial to complete
heating
X heating
value
value
(Btuicu
fi'om
local
ft)
gas
EXAMPLE:
Furuace
(0-2000
Btu heating
input
this
103 X 975
the
adjustment
Btuh.
70 sec
12)
100,425
orifice
size
is within
Btuh.
and
manifold
±2 percent
of the
input rate.
SET TEMPERATURE
RISE
V.,l[_
Temperature
rise must
rating
plate.
Recommended
range
or slightly
above.
result
in primary
and secondary
Determine
i.
and adjust
Place
as possible.
exchangers
practice
2. When
Failure
from
perature
to follow
on furnace
heat exchanger
thermometers
readings
supply-air
stabilize,
temperature
temperature
blower
speed
rise by adjusting
to reduce
to increase
Failure
115-v electrical
to follow
4. To change
remove
blower
blower
power
motor
motor
speed
Follow
procedure
for proper
OFF DELAY
(HEAT
speed
ADJUST
this same
The blower
offdelay
sec. (See Table
the furuace
pins
has 4 adjustable
14.) The blower
control
225
212
450
424
1125
1059
56
57
64
63
129
126
321
316
18
200
400
1000
58
62
124
310
19
188
379
947
59
61
122
305
20
21
180
171
360
343
900
857
60
62
60
58
120
116
300
290
273
106
103
265
257
26
138
277
692
72
50
100
250
to
27
28
133
129
267
257
667
643
74
76
48
47
97
95
243
237
see heat
29
124
248
621
78
46
82
231
This
30
120
240
600
80
45
90
225
tem-
31
32
116
113
232
225
581
563
82
84
44
43
88
86
220
214
air tem-
33
109
218
545
86
42
84
209
34
106
212
529
88
41
82
205
35
36
103
100
206
200
514
500
90
92
40
39
80
78
200
196
37
97
185
486
94
38
76
192
38
95
189
474
96
38
75
188
39
40
92
90
185
180
462
450
98
100
37
36
74
72
184
180
41
88
176
439
102
35
71
178
42
43
86
84
172
167
429
419
104
106
35
34
69
68
173
170
mode,
44
82
164
409
108
33
67
167
(See
45
46
80
78
160
157
400
391
110
112
33
32
65
64
164
161
47
76
153
383
116
31
62
155
48
75
150
375
120
30
60
150
49
73
147
367
124
28
58
145
il_jury.
terminal.
lead
on
of COOL
fi'om 90 sec to 180
off delay jumpers
blower
off delay.
are located
the blower
Factory
COLOR
on
off delay
using
120
HEAT
Yellow
(When Present)
Blue
off
thermostat,
be set to match
in R-W
circuit.
obtained
at thermostat
illustrates
the easy method
150
180
Cool
Spare
Heat
Red
Low
Fan
White
Common
COM
Accurate
subbase
the
the amp &aw
amp draw
terminals
of obtaining
R
themmstat
heat
should
Connect
ammeter
thermostat
anticipator
should
current.
60
actual amp &aw. The amp
47
has no subbase,
and for varying
thermostat,
instructions
heating
cycle
and fumace
in Fig.
NOT be in the curcuit
manufacturer's
thermostat
For an electronic
can be
has started
as shown
See
readings
Fig.
motor
from R and W wires during
anticipator
W.
If thermostat
wires
be disconnected
of the electrical
and
be taken after blower
is heating.
suring
ANTICIPATOR
a nonelectronic
must
High
Medium High
Medium Low
Black
to the
blower
FACTORYSHIPPED
CONNECTION
SPEED
Off Delay Jumper Positions
90
SET THERMOSTAT
Selector
Table 13_Speed
MODE)
reading
Time (in sec)
components
327
16
17
is 120 sec.
Table 14_Blower
anticipator
333
131
53
51
from one set of pins on the control
for the desired
delay setting
When
133
65
68
70
original
settings
(See Fig. 31). To change
move the jumper
used
67
55
selection.
BLOWER
setting,
54
1200
750
720
speed tap.
selection
1286
480
300
288
for heating
Reconnect
514
240
150
144
Fig. 31.) Select desired blower motor speed lead from 1 of the
other motor leads and relocate it to HEAT terminal. See Table
identification.
257
15
24
25
blower
13 for lead color
SPARE terminal.
14
may
Decrease
HEAT
346
340
281
rise.
selections
138
136
109
Increase
lead from control
69
68
112
ducts.
in personal
52
53
54
returu-air
changing
1500
1385
56
speed.
before
600
555
66
blower
could result
300
277
64
rise.
this warning
12
13
783
¥:_ "EY!3;_II_r3
Disconnect
360
355
818
to determine
temperature
temperature
144
141
313
rise.
3. Adjust
72
71
327
do not
subtract
50
51
157
as close
with straight-run
1800
1636
164
heat does not affect readings.
important
720
655
23
rise as follows:
Be sure
360
327
22
failure.
ducts
10
11
of rise
this caution
and supply
so that radiant
thermometer
specified
is at midpoint
in return
is particularly
perature
limits
operation
air temperature
thermometers
furuace
speed
be within
Rate (cu ft/hr)
SECONDS
SIZE OF TEST DIAL
SECONDS
SIZE OF TEST DIAL
FOR 1
1
2
5
FOR 1
1
2
5
REVOLUTION Cu Ft Cu Ft Cu Ft REVOLUTION Cu Ft Cu Ft Cu Ft
ft X cu ft.hr
975 Bmicu ft
of 2-cu ft dial
input
example,
pressure
furuace
is 100,000
103 cu ft&r (fi'om Table
Btu heating
In
plate
Btuicu
Heating value of gas
Time for 1 revolution
Gas rate
Table 12--Gas
ft altitude)
input from rating
60.
while
the thermostat
current
for
The
meamust
measurement.
adjusting
heat
length.
set cycle rate for 3 cycles
per hour.
limit is functioning
properly and operates
if there is a restricted
return-air
duct or motor failure. If limit control does not function
SUBBASE
TERMINALS
WiTH
THERMOSTATREMOVED
during
this test, cause
CHECK
must be determined
PRESSURE
This control proves
operation
as follows:
operation
i. Turn off 115-v power
2. Remove
outer
and con'ected.
SWITCH
of draft
inducer.
Check
switch
inducer
motor
1 minute.
When
to furnace.
furnace
door
and
disconnect
from wire harness.
5 0 AMPS ON AMMETER
/0
TURNS
AROUND
power
to "call
= 0 5 AMPS FOR THERMOSTAT
SETTING
JAWS
Step 5--Check
This section
the
is complete.
switch
were all checked
as part of normal
CHECK
This
control
circulating
method
5 minutes.
opening
using
blower
air after
sensor,
in the Start-up
before
gas valve,
procedure
Step
and
control
if furnace
this
limit control
furnace
this method
be unblocked
to check
and
overheats.
energizes
for a period
has shut offburners,
to permit
limit control,
normal
air-
Recommended
is to gradually
has been operating
As soon as limit control
should
system
motor
and wait
31. If hot
block
surfiace
shut
power
inducer
off
of at least
igniter
furnace
switch
it can be established
By
that
inducer
De-
properly
and
to furnace.
motor
leads, reinstall
main
furnace
door,
supply.
tools and instruments.
flame-rollout
manual
Clean
up debris.
reset switch
3. Verity that blower
installed.
and main outer
4. Cycle
test furnace
with room
themmstat.
5. Check
tions.
operation
of accessories
per
6. Review
User's
7. Leave
48
when
immediately.
did not function
return-air
air circulation.
glows
down
6--Checklist
i. Put away
section
CONTROL
off gas
of checking
return
that must be checked
flame
2. Verify
LIMIT
shuts
is disconnected,
and turn on 115-v power
operation.
PRIMARY
(?ode
motor
6. Reconnect
controls
The
Stares
5. Turn off l15-v
Controls
covers the safety
installation
pressure
Draw Check with Ammeter
Safety
for heat"
termine reason pressure
correct condition.
A80201
Fig. 60--Amp
to furnace.
pressure
switch is functioning
properly,
hot surfiace igniter
should NOT glow, and control status code LED flashes
a
24-VOLT
BLOCK
TERMINAL
EXAMPLE
3. Turn on l15-v
4. Set thermostat
literature
Guide with
packet
owner.
near furnace.
access
has continuity.
doors
manufacturer's
are properly
instruc-
CHECKLIST--INSTALLATION
LOAD CALCULATION
Condensate
Heating Load (Btuh)
Drain
Unit Level or Pitched Forward
Internal Tubing Connections
of Kinks and Traps
Cooling Load (Btuh)
External Drain Connection
Tight and Sloped
Furnace Model Selection
Condensate
COMBUSTION
AND VENT PIPING
Termination
Location
Trap Primed before
Start-Up
CHECKLIST--START-UP
Gas Input Rate
(Set Within 2 percent of Rating
Plate)
Termination Kit -- 2 Pipe or
Concentric
Combustion-Air
Pipe Length
Temperature
Rise Adjusted
Elbow Quantity
Vent Pipe Length
Thermostat
Vent Pipe Elbow Quantity
Anticipator
Anticipator
Pipe Diameter Determined from
Sizing Table
Setting Adjusted or
Cycle Rate (3 Cycles per Hr)
Selected
Pipe Sloped to Furnace
Pipe Insulation
Safety Controls Check Operation
Over Ceilings
Low-Ambient
Leak
Heat Tape Installed if Required
Roof or Sidewall
Combustion-Air
Free
Primary Limit
Pressure Switch
Exposed Pipes
49
50
51
Copyright
2003 CARRIER
Manufacturer
Book_ 1_ 4
Tab 16al 8a
Corp. • 7310 W. Morris St ° Indianapolis,
reserves the right to discontinue,
PC 101
Catalog No
535-80090
IN 46231
58mxa14si
or change at any time, specifications
Printed in U.S.A.
Form
or designs
58MXA-14SI
without notice and without
Pg 52
3-03
incurring
obligations.
Replaces:
58MXA-13SI

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