Payne PH1ZNA042000AAAA Central Package installation Guide

Mnstallation Mnstructions
PH1Z024-060
Packaged Heat
Pump Units
7-03
NOTE:
Read the entire instrt/ction manual before starting the installation.
TABLE OF CONTENTS
SAFETY ( ONSIDERATIONS
2
INTRODUCTION
2
RECEIVrNG AND INSTALLATION ..........................................................................................................................................................................
Check Equipment .....................................................................................................................................................................................................
IDENTIFY UNIT .................................................................................................
INSPECT SHIPMENT ........................................................................................................................................................................................
Provide Unit Support ................................................................................................................................................................................................
SLAB MOL_T ...................................................................................................................................................................................................
GROL ND MOUNT ...............................................................................................
Provide ( learances .................................................................................................
Place Unit .................................................................................................................................................................................................................
Select and Install Ductwork .....................................................................................................................................................................................
INSTALL FLANGES FOR DUCTWORK CONNECTIONS (PH1Z060 ONLY) ..........................................................................................
CONVERTING HORIZONTAL DISCHARGE UNITS TO DOVv_'FLOW (VERTICAL) DISCHARGE ........................
Provide fbr (ondensate Disposal .....................................................................................
Install Electrical Connections .........................................................................................
HIGH-VOLTAGE CONNECTIONS ....................................................................................
ROUTING POWER LEADS INT() UNIT .................................................................................
CONNECTING GROUND LEAD TO E.KIT GROUND ............................................................
ROUTING CONTROL POWER WIRES ..............................................................................
ACCESSORY ELECTRIC HEAT WIRING ............................................................................
SPE(IAL PRO(EDURES FOR 208-V OPERATION ...................................................................
6
6
6
6
6
6
6
6
6
6
6
7
7
9
9
9
l0
10
l0
I1
PRE-START-L P ....................................................................................................
11
START-UP ..............................................................................................................
(heck fbr Refi'igerant Leaks ..........................................................................................
LOCATE AND REPAIR REFRIGERANT LEAKS AND (HARGE THE UNIT AS FOLLOWS: .............................
Start=L p Cooling Section and Make Adjustments ........................................................................
CHECKING (OOLING CONTROL OPERATION ....................................................................
COMPRESSOR ROTATION ........................................................................................
Refrigerant ( harge ..................................................................................................
NO CHARGE ....................................................................................................................................................................................................
LOW CHARGE COOLING .............................................................................................................................................................................
T() USE THE COOLING CHARGING CHART ...........................................................................................................................................
HEATING MODE CHARGE ..........................................................................................................................................................................
Indoor Airflow and Airflow Adjustments .............................................................................................................................................................
FOR 208/230-V .................................................................................................................................................................................................
FOR 460-V MOTORS
Lnit Contlols
HIGH-PRESSURE RELIEF VALVE ..............................................................................................................................................................
LOSS OF CHARGE SWIT(H
COMPRESSOR OVERLOAD
Sequence of Operation
FAN OPERATION
(00LING
HEAT PUMP HEATING
DEFROST
ELECTRIC RESISTANCE HEATING
12
12
12
12
12
13
I3
13
13
13
13
13
14
14
15
15
15
15
15
15
15
15
17
17
Form:
tM-PHIZ-02
Cancets:
IM-PH1Z-01
Printed in U.S.A.
Catalog No.
53PH-1Z7
MAINTENANCE
Air Filter
17
19
tnit Top Removal (Outdooro(oilSide)
[ndool Blowel and Motor
19
19
Outdoor
Outdoor
20
21
(oil, Indoor (oil, and Condensate
Drain Pan
Fan ..........................................................................................................
Electrical
Controls
and Wiring ...............................................................................................................................................................................
21
Refrigerant
Circuit ..................................................................................................................................................................................................
Indoor Airflow ........................................................................................................................................................................................................
22
22
Metering Devices ....................................................................................................................................................................................................
Lubrication ................................................................................................................................................................................................................
22
Liquid Line Strainer ................................................................................................................................................................................................
High Flow Valves ...................................................................................................................................................................................................
22
22
TROUBLESHOOTING
START-UP
...............................................................................................................................................................................................
26
............................................................................................................................................................................................
27
CHECKLIST
NOTE
TO INSTALLE_Before
User's
Manual
installation,
and Replacement
Guide
READ
THESE
INSTRUCTIONS
are left with the unit after
CAREFULLY
AND
COMPLETELY.
Also,
make
sure
the
installation.
C00155
Fig.
SAFETY
h_stallation and servicing
qualified workers should
precautions
Follow all safety codes.
all brazing operations.
PHIZ
CONSIDERATIONS
of airoconditioning
equipment
can be hazardous
due to system
install, repair, or service air-conditioning
equipment
Untrained
workers can peribnn
basic maintenance
service people. When working on air-conditioning
and other sai)ty
1--Unit
fkmctions
equipment,
of cleaning coils and filters.
pay attention to precautions
pressure
and electrical
components
Only
All other operations
should be performed
in the literature,
tags, and labels attached
trained
and
by trained
to the unit,
that may apply.
Wear safety
glasses
and work gloves.
Use quenching
cloth fbr unbrazing
operations.
Have fire extinguisher
available
for
z2x WARNmNG: Before performing
service or maintenance
operations
on system, turn off main power to unit and install
lockout tag. Turn off accessory
heater power switch if applicable.
Electrical
shock can cause serious
injury or death.
Recognize
sat)ty in%rmation.
fbr personal injury.
This is the sat_ty-alert
symbol
Z_.
When
you see this symbol
in insm/ctions
or manuals,
be alert to the potential
Understand
the signal words DANGER,
WARNING,
CAUTION,
and NOTE. These words are used with the safety-alert
symbol. DANGER
identities the most serious hazards which will resuh in severe personal injuo' or death. WARNING
signifies a hazard which could result in personal
injury or death. CAUTION
is used to identit_ unsafe practices which would
is used to highlight
suggestions
which will result in enhanced
installation,
result in minor personal injury or product
reliability,
or operation.
and property
damage.
NOTE
These instructions
cover n_inin_tnn requirements
and conIbrm to existing national standards and safety codes. In some instances, these instructions
exceed certain local codes and ordinances,
especially those that may not have kept up with changing residential
construction
practices. We require
these instructions
as a minimum
for a safk installation.
BNTRODUGTmON
PH1Z heat pmnp
horizontalodischarge
for rooftop
units are fully self-contained
and designed ibr outdoor installation
(See Fig 1). As shown in Fig. 2°4, units are shipped in a
configuration
fbr installation
on a groundolevel
slab. All units can be field-converted
to downflow
discharge configurations
applications
with a fieldosupplied
plenum.
2
REQUIRED
P95'] 0
CLEARANCE
TO COMBUSTIBLE
MATL.
......................... 408
[ 6 06© ...................
TOP OF UNIT .........................................................................................
DUCT SiDE OF UNIT .............................................................................
SIDE OPPOSITE DUCTS ......................................................................
BOTTOM OF UNIT .................................................................................
NEC.
REQUIRED
INCHES [mm}
0
0
0
0
CLEARANCES,
INCHES
BETWEEN UNITS, POWER ENTRY SIDE ....................................
4200
UNITAND
UNGROUNDED
SURFACES, POWER ENTRY SIDE 3600
UNIT AND BLOCK OR CONCRETE
WALLS AND OTHER
GROUNDED
SURFACES, POWER ENTRY SIDE ......................... 4200
REQUIRED
24_ 6
9 75]
CLEARANCE
FOR OPERATION
AND
..... 3S6 0 01A
1140}
DUCT OPENINGS
11066 8]
SERVICING
INCHES [mini
30.00 [762 0]
3000 [762 0]
CONDENSER
COIL ACCESS SIDE ..............................................
POWER ENTRY SIDE ...............................................................
(EXCEPT FOR NEC REQUIREMENTS)
U NIT TOP ......................................................................................
SIDE OPPOSITE DUCTS ..............................................................
REAR VIEW
[mini
11066 8I
[914 0]
48.00 [12192]
3000 [762 0]
LEGEND
NEC - National
Electrical
Code
NOTES:
1
Clearances must be maintained to prevent recircuJation of air from outdoorfan discharge, with the exception of the condenser coil (3600 in [9140 mini
removaNe fence or barricade requires no clearance.
2. Dimensions
are in inches Dimensions
irl I ] are in millimeters.
('0_,1_
{OI
A
82
131 99J
wOO,
()F UN I
I
B LC'_,[ R, COq 1!OI
ACCESS P&NEL
COMPRESSOR
O 'Z A1 )
PANEL
/ A_
( OI
N
\\\\\\
FIELD
ENTRY TO_
SERVICE
PORTS
_\
\\\\
LEFT SIDE VIEW
FRONT VIEW
UNIT
ELECTRICAL
PN1Z024
208/230-1-60
PN1Z030
208/230-1-60,
208/230-3-60
Fig,
2--Unit
I.D
x
12.7
DEEP
Base
/
RIGHT SIDE VIEW
UNIT WEIGHT
CNARACTERBSTICS
635
[250]
[1961]
26.772
[I.05403
tb
232
kg
106
X
OF GRAVITY
Y
14.0 (356)
19.0 (483)
12.0 (305)
254
116
14.0 (356)
19.0 (483)
12.0 (305)
Dimensions,
3
CENTER
C00156
PHIZ024o030
IN. (MM)
Z
29
0
_
4080
Z222222222222ZZZZZZZZII_
....
REQUIRED
o
CLEARANCETO
DOMgUSTIBLE
MATL.
INCHES [mm]
TOP OF UNiT .........................................................................................
0
DUCT StDE OF UNIT .............................................................................
0
SIDE OPPOSITE DUCTS ......................................................................
0
BOTTOM OF UNIT .................................................................................
O
o
NEC.
REQUIRED CLEARANCES.
INCHES [mrn]
BETWEEN UNITS, POWER ENTRY SIDE .................................... 4200 I066 8]
UN T AND UNGROUNDED SURFACES, POWER ENTRY S DE ¸36¸00 9 40
UNIT AND BLOCK OR CONCRETE WALLS AND OTHER
GROUNDED SURFACES, POWER ENTRY S_DE......................... 42¸00 [1066 8]
REQUIRED
241
CLEARANCE
FOR OPERATION
AND SERVICING
INCHES [mini
CONDENSER COIL ACCESS SIDE ..............................................
POWER ENTRY SIDE ....................................................................
(EXCEPT FOR NBC REQUIREMENTS)
UNIT TOP .......................................................................................
SIDE OPPOSITE DUCTS ..............................................................
6
3000 [762 0]
3000 [762 0]
4800 [I 2192]
3000 [762 0]
LEGEND
\
REAR VIEW
NEC - National Electrical Code
'
3560
)A
[4
o}
DUCT ©PES, NGS
NOTE8:
1 Clearances must be maintained to prevent recircu[ation of air from outdoorfan discharge, with the exception of the condenser coil (3600 in [9140 mini A
removable fence or barricade requires no clearance
2 DimenRons are in inches Dimensions in [ ] are in millimeters
CONDE 4SE_
(0{
i,
BLC,WER, CCNIROL BOX AND
E,_#PORAIOR COIL ACCESS PANEL
COMPRESSOR
PANEL
\
..9
i
LEFT SIDE VIEW
26
FRONT VIEW
772
I
_,o_o_
D
I
12
7
DEEP J
[19
61]
[250]
RIGHT SIDE VIEW
C00003
UNIT
ELECTRICAL
UNIT WEIGHT
CHARACTERISTICS
CENTER
OF GRAVITY
IN, (MM)
Ib
kg
X
Y
Z
PNlZ036
208/230-1-60, 208/230-3-60,
460-3-60
277
126
14.0 (356)
19.0 (483)
15.0(381)
PNlZ042
208/230_1-60, 208/230-3_60,
460-3-60
295
134
14.0 (356)
19.0 (483)
150 (381)
PNlZ048
208/230_1-60, 208/230-3_60,
460-3-60
328
149
14.0 (356)
19.0 (483)
150 (381)
Fig.
3--Unit
Base
Dimensions,
4
PBIZ036=048
DIMENSIONS IN E] ARE IN INCHES
_3527
REQUIRED
[1389]
1176
[463]
_537
_352.8
[211]
[1389]
CLEARANCE
TO COMBUSTIBLE
MATL.
TOP OF UNIT .........................................................................................
DUCT SIDE OF UNIT ............................................................................
SIDE OPPOSITE DUCTS ......................................................................
BOTTOM OF UNIT .................................................................................
NEC.
REQUIRED
INCHES [mml
0
0
0
0
CLEARANCES,
INCHES
BETWEEN UNITS. POWER ENTRY SIDE ....................................
4200
UNIT AND UNGROUNDED
SURFACES. POWER ENTRY SIDE 3000
UNIT AND BLOCK OR CONCRETE W/ALLS AND OTHER
GROUNDED
SURFACES, POWER ENTRY SIDE ......................... 4200
REQUIRED
706
[27
80]
352.5
EIS.B8]
0
OPERATION
AND
[1066 8]
SERVICING
INCHES [mm]
3000 [762 0]
3000 [762 O]
4800
3000
[1219 2]
[76201
LEGEND
o
NEC - National
889
REAR VIEW
FOR
CONDENSER
COIL ACCESS SIDE ..............................................
POWER ENTRY SIDE ..................................................................
(EXCEPT FOR NEC REQUIREMENTS)
UNIT TOP ......................................................................................
SIDE OPPOSITE DUCTS ..............................................................
r
138.3
CLEARANCE
[mm}
[1066.8]
[914 O]
Electrical
Code
NOTES:
[356]
I
Clearances must be maintained to prevent recirculation of air from outdoorfan discharge, with the exception of the condenser coil (3600 in [9140 mm] A
removable fence or barricade requires no clearance
Dimensions are in inches Dimensions
in [ ] are in millimeters
2
12950
[5098]
BOTTOMOF UNIT
EVAP
COND
8125
[BI99]
BOTTOMOF UNIT
i
\\X
_BLOWER,
CONTROLBOX ANDEVAP. COIL
ACCESSPANEL
E2161]
FIELD
S
COMPRESSOR PANEL_
NTRY TO
RTS
44.5
E1.75]
DIA.
[O8B]
DIA
\
o
867.0
[B4.13]
751.8
E29.60
z
/
_
LEFT SIDE VIEW
"
?
1
"
30.6
EI.2O]
FRONT VIEW
26772
[1OS4D]
UNIT
PNIZ060
ELECTRICAL
460-3-60
Fig.
4--Unit
x 127
UNIT WEIGHT
CHARACTERBSTICS
208/230-1-60,208/230-3-60,
I.D
tb
kg
368
167
Base
Dimensions,
5
X
DEEr
254
[1OO]
RIGHT SIDE VIEW
CENTER OF GRAVITY
Y
14.0 (356)
PHIZ060
1981
[1961]
20.0 (508)
C00158
IN. (MM)
Z
16.0 (406)
RECEBVmNG
ANDINSTALLATION
PROCEDURE
A.
1--CHECK
EQUIPMENT
BDENTmFYUNmT
The unit model number and serial number are stamped on the unit identification plate. (heck this infbm_ation against shipping papers. -Veril}' that
unit voltage and amperage tisted on unit rating plate agree with power supplied tbr equipment.
B.
BNSPECT SHPMENT
Inspect fbr shipping damage while unit is still on shipping pallet. It"unit appears to be damaged or is torn loose fi'om its securing points, have it
examined by transportation inspectors beibre removal. Fop.yard claim papers directly to transportation company. Manu_tcturer is not responsible
fbr any damage incurred in tlansit.
(beck
all items against shipping tist. Immediately notify the nearest Payne Air Conditioning ofi[lce if"any item is missing
To prevent loss or damage, 1cave all parts in original packages until installation
PROCEDURE
A,
SLAB
2--PROVmDE UNiT SUPPORT
MOUNT
Place the unit on a rigid,
to support
the unit weight.
A concrete
The flat su*_hce should extend approximately
2=in beyond
sides should be flush with the edge of the flat surface.
level
surplice, suitable
the unit casing
on the 2 sides
A 6-in. wide gravel apron should be used around
sur_tce except where required by local codes.
The unit
B.
should
be level
GROUND
MOUNT
7he unit
to within
may also be installed
1/4 inch.
directly
the flat surfitce
This is necessary
on the ground
to prevent
airflow
pad or a suitable
blockage
codes
pem_it.
Place
unit
mounting
pad is recommended
side and condensate
by grass or shrubs.
fbr the unit &ain to fimction
if local
fibe*glass
The duct connection
Do not secure
&ain connection
the unit to the flat
properly.
on level
gronnd
prepared
with
gravel
for condensate
discharge.
PROCEDURE
a--PROVIDE
CLEARANCES
The required
be provided.
minimum
sma'ice
clearances
The outdoor
fire pulls air through
and clearances
the outdoor
to combustibles
coil and discharges
are shown
it through
in Fig. 2-4. Adequate
the fan on the top cover.
ventilation
and outdoor
coil air must
Be sure that the _hn discharge
does
not
recirculate
to the outdoor coil. Do not locate the unit in either a corner or under an overhead obstruction.
The minimum
clearance under a partial
overhang (such as a normal house ovmhang) is 48 in. above the unit top. The maxin-mm horizontal extension of a partial overhang must not exceed
48 inches.
Do not place the unit whine
water, ice, or snow fiom an overhang
or on Class A, B, or ( roof cove*lug
materials.
A
outdoor
CAUTION:
be harmful
Do not restrict
to compressor
PROCEDURE
Lnit
con airflow.
or roof will damage
An air restriction
or flood the unit
at either
The unit may be installed
the outdoor-air
4--PLACE
holds provided
is level and that it properly
7he design
5--SELECT
and installation
NFPA90A
or residence-type,
Select
in the unit base
Refer to Table
1%r operating
weights.
Use extreme
(National
must be in accordance
and/or
Association)
local codes
Engineers)
A.
supply=air
t'rom the indoor
BNSTALL
The PH1Z060
To install
cavity
FLANGES
units
with:
[br installation
of nonresidence-type
and residence=type,
NFPA
air conditioning
and ventilating
systems
Refrigeration,
and Air
90B
registers
and return-air
grilles
according
to ASHRAE
(American
Society
of Heating,
recommendations.
Use the duct flanges provided on the supply° and returnoair
14=in. round duct collars (size 024-048 units) are shipped
removed
dare, age
with in 1/4" for proper
is used, be sure that the
DUCTWORK
Fire Protection
NFPA90B:
cazltinn tn prevent
be level
support
and ordinances
and size ductwork,
Conditioning
can
the unit.
mNSTALL
of the duct system
of the NFPA
local codes
supports
AND
the standards
and/or
discharge
UNBT
can be moved with the rigging
PROCEDURE
or the fan
life.
_hes_ mo_,is_g the _mit. Uvit m_/st remai_ i_ a_ _lzn'ig,ht fln,sitio'n d_frmg ale mo_mg ope_'ation,s. The unit must
condensate
&ainage; the ground-level
pad must be level befbre setting the unit in place. When a field-[Sbricated
support
inlet
on wood flooring
prior to start-up,
FOR
are shipped
DUCTWORK
openings on the side of the unit. See Fig. 2-4 _br connection
sizes and locations. The
inside t!-_e unit attached
to the indoor blower. They are field-installed
and must be
even if they are not used
CONNECTIONS
with _'langes which
for installation.
(PHIZ060
must be field=installed
ONLY)
on the unit.
unit flanges:
1. Five pieces
of flange
are shipped
on the return=air
opening
of the unit
Remove
the flanges
fiom the shipping
position
(See Fig. 5). Screws
should
stick out from unit to
are field°supplied.
2. One piece
of flange
is used
as it is shipped
(stlaight)
Bend
3. Install the stlaight flange on the right side of the return°air
allow for connection
of dnctwork.
the other 4 pieces
opening
6
in holes
at right angles
provided.
(See Fig
6). Flanges
4 Install2 hando%m_ed
5
Install
remaining
6. Ductwork
When
flanges
onto return
2 handoformed
can now be attached
designing
and installing
ductwork,
When connecting
*
have field-supplied
Avoid
should
abrupt
duct size increases
mMPORTANT:
Use
flexible
around
in holes
discharge
consider
the following:
ductwork
to units,
filters
installed
and reductions.
connectors
24 in. fi'om d_e unit
to %m_ a rectangle
in holes
Abrupt
between
discharge
do not drii[ deeper
in the returnoair
change
dnctwork
connection
to prevent
*
Secure
all dt_cts to building
air opening
flange
structure.
Flash,
heating
weatherproofS,
in Fig. 7 or coi[
are shown
in Table
1.
air per_bm_ance.
of vibration.
Use
suitable
gaskets
to ensure
material) connector between ductwork
duct connector (or sheet metal sleeve)
into the dt/ctwork.
all external dnctwork.
Insulate and cover
and Air Conditioning
Contractors
National
for residential
area shown
sizes %r filters
use fire proof canvas (or similar heat resistant
a sheet metal sleeve inside duct. Heat resistant
Insulate and weatherproof
Follow latest Sheet Metal
standards
affects
transmission
*
installation
Recommended
in duct size adversely
Size ductwork
tbr cooling air quantity (cfm). The mininmm
air quanti w for proper
switches may trip at air quantities below those recommended.
minin-mm
the remm
than 3/4 inch in shaded
*
(A(CA)
aronnd
provided
side of the unit.
and unit
weathertight
and airtight seal. When electric heat is installed,
and unit discharge connection.
If flexible duct is used, insert
must ectend
provided
air opening
to flanges.
L,_
CAUTION:
may be damaged.
All units
air opening
flanges
electric
heater
operation
is listed in Table
2. Heater
limit
with a vapor barrier all ductwork
passing through conditioned
spaces.
Association
(SMACNA)
and Air Conditioning
Contractors
Association
and air conditioning
and vibration-isolate
systems.
duct openings
in wall or roof according
to good construction
practices.
Figure
8 shows
a typical
duct system
with PH1Z
unit installed.
FIVE PIECES OF DUCT
FLANGE ATTACHED
HERE FOR SHIPMENT
C00005
Fig. 5--Shipping
Location of Duct Ftanges
(Size 060 Only)
B.
CONVERTING
HORIZONTAL
A
WARNBNG:
lockout
tag. Turn
Lnits are dedicated
DISCHARGE
UNITS
TO BOWNFLOW
{VERTICAL)
DISCHARGE
Before performing
service
or maintenance
operations
on system,
off accessory
heater power switch
if applicabme.
Emectrical shock
side supply
products.
They are not convertible
to vertical
air supply
turn off main power to unit and install
can cause serious
injury or death.
A fieldosupplied
plenum
must be used to convert
to vertical
air discharge.
PROCEDURE
NOTE:
g--PROVIDE
FOR CONDENSATE
Be sure that condensate-water
Unit removes condensate
for location of condensate
Condensate
installations.
disposal
through a 1 3id4oin.
connection.
water can be drained
Install a fieldosupplied
methods
DISPOSAL
comply
ID hole (using
with local codes,
3/4oin. OD piping
restrictions,
or tubing)
and practices.
which
is located
directly
onto the roof in rooftop installations
(where pei_aitted)
condensate
tlap at end of condensate
connection
to ensure proper
trap is at least 1 in. lower dtan the &ain-pan
condensate
connection
a gravel apron, make sure it slopes away fi'om the unit.
to prevent
7
the pan fi'orn overflowing.
at the end of the unit.
or onto
&ainage.
Prime
See Fig. 2=4
a gravel apron in groundotevel
Make sure that the outlet of the
the trap with water.
When
using
HAND FORM
STRAIGHT
PIECE
C00006
Fig.
6--gJanges
Bnstalmed on
PHIZ060
Units
C00007
Fig. 7--Area
Not to Be DriJJed
More
Than
3/4°in.
If the installation
requires draining the condensate
water away fi'om the unit, install a 2°in trap using a 3/4-in. OD robing or pipe. (See Fig 9 and
10.) Make sure that the outlet of the trap is at least 1 in lower than d-_eunit &ain-pan condensate
connection to prevent the pan fiom overflowing.
Prime
the trap with water.
not undersize
Connect
a drain robe using
the robe. Pitch the drain robe downward
_br leaks. Prime
or PVC cement.
trap at the beginning
of the cooling
a n_inimum
at a slope
season
of 3/4-in.
of at least
start-up.
PVC,
Allowable
8
3/4-in.
1 in. t'or every
CPVC,
or 3/4-in.
10 t't of horizontal
glues for condensate
copper
pipe (all field supplied).
Do
run. Be sure to check the drain tube
trap connection
are: Standard
ABS,
(PVC,
Table
I --
Physical
Data
UNiT PHIZ
024
030
036
042
048
060
OPERATING WEBGNT (_bs)
COMPRESSOR TYPE
232
254
277
295
328
368
Scroll
R-22
REFRIGERANT
Charge (tb)
3.7
REFRBGERANT
I
5.8
I
5.9
I
6.6
AcutroF M System
1...17
7.9
2...17
6.7
Copper Tubes, Aluminum Plate Fins
1._17
2...17
11.1
9.3
1800
825
1/8
20
2000
1100
1/4
20
2._15
3.1
3...15
3.1
10x8
8OO
550-1000
3
Low
1/4
10x8
1000
550-1000
3
Med
1/4
METERBNG DEVICE
OUTDOOR COIL
Rows...Fins/in.
Face Area (sq ft)
2600
1100
1/4
20
INDOOR COBL
Rows...Fins/in.
Face Area (sq ft)
I
9.7
2...17
11.1
2...17
12.7
26OO
1100
1/4
2O
32OO
1100
1/2
2O
4...15
4.4
4...15
4.9
10x9
1600
1000-1100
2
Low
3/4
10 x 10
2000
950-1100
3
Low
1
2600
1100
1/4
20
Copper Tubes, Aluminum Plate Fins
3._15
3._15
4.0
4.0
Direct Drive
FAN MOTOR
B_ower Motor Size (in.)
Nominal Cfm
Rpm Range
Number of Speeds
Factory Speed Setting
Motor Np
10x9
1200
800-1050
3
Low
1/2
CONNECTING DUCT SBZES
SupNy Air (in.)
Return Air (in.)
FIELD-SUPPLBED RETURN-AIR
Throwaway (in.)
9.1
Pro _etter
OUTDOOR-FAN
MOTOR CFM
Nomina_ Rpm
Motor Np
Diameter (in.)
INDOOR
I
10 x 9
1400
800-1050
3
Med
1/2
Round
14
14
FILTERt
24 x 24
24 x 24
Square
13.9 x 13.9
13.9 x 27.8
24 x 24
24 x 24
24 x 30
24 x 30
460-v motors are 2-speed or 3-speed
fRequired filter sizes shown are based on the ARI (Air Conditioning and Refrigeration Institute) rated airflow at a velocity of 300 ft/min for throwaway type or 450 ft/min for
high capacity type Recommended filters are 1-in thick.
PROCEDURE
7--BNSTALL
ELECTRICAL
CONNECTIONS
Z_
WARNING:
The
unit
cabinet
persona[
injury if an electrical
in the control
compartment,
Electrical
CSA
Code),
C22.1)
ANSI
and
local
(American
electrical
have
National
codes.
z_
CAUTION:
Failure
to follow
1. Make aH electrical
connections
such
Code
must
an uninterrupted,
unbroken
electrical
Standards
Failure
mnstitute)/NFPA
to adhere
to this
(latest
warning
edition)
could
to minimize
(in Canada,
result
the
wire connected
in accordance
in serious
Canadian
injury
A,
HGHoVOLTAGE
within
when
drilling
2 percent.
through
Consult
any panel
local
disconnect
to mount
power
electrical
company
codes
governing
Electrical
conduit,
of improper
conduit
as
etc. On 3-phase
units,
voltage
phase
and/or
CONNECTIONS
with a field-supplied,
waterproof
disconnect switch
breaker size and minimum
circuit amps (ampacity)
The field-supplied
on the unit over the high-voltage
CAUTION:
and unit. DO NOT USE ALUMINUM
hardware,
for correction
The unit must have a separate electlical
service
to the unit rating plate for maximum/i_seicircuit
Z_
switch
Code
Canadian
that high-voltage
power to unit is within operating
voltage range indicated
on unit rating plate.
low-voltage
wires for highest voltage contained
within conduit when low-voltage
control wires are run in same
components
electrica!
022.1
3. Be sure
4. Insulate
are balanced
field-supplied
standard
Electrical
copper
ensure
phases
imbalance.
between
CSA
of
or death.
2. Use only
WIRE.
high-voltage
wires.
5. Do not damage
internal
for connections
with
possibility
to the unit ground
with NEC (Nationam
these precautions
could result in damage
to the unit being installed:
in accordance
with NEC ANSl!NFPA
(matest edition)
and Bocat electricam
wiring.
Bn Canada,
aH electricam
connections
must be in accordance
Part 1 and applicable
Bocal codes.
Refer to unit wiring
diagram.
conductor
ground
fault should
occur. This ground
may consist
of an electrical
or conduit
approved
for electrical
ground
when installed
disconnect
may be mounted
Operation
of unit
on improper
line
voltage
constitutes
inlet hole.
abuse
mounted at, or within sight fiom the uniL Refer
for wire sizing. See Table 3 for electrical data.
See Fig. 2-4.
and
may cause
unit
damage
that
could
affect
warranty.
B.
ROUTING
POWER
LEADS
Lse only copper wire between
at the unit must be watertight.
BNTO UNBT
disconnect
and enit
Run the highovoltage
The high-voltage
leads shouM be in a conduit until they enter the unit; conduit te_]aination
leads through the hole on the contlol box side of the unit (see Fig. 11 for location). When
the leads are inside _he unit, run leads to the conhol box (Fig. 12). For single-phase
units, connect the leads to the black, yellow, and blue wires (see Fig. 13).
g
units, connect
leads to the black and yellow
wires;
for 3-phase
FROM
POWER
77 SOURCE
pu_erW)ring
--¢ontroIWidng
"Separated_sconnectpe_NEC
@
Na_ol_alElec_r4calCode required
breec rchea erwhen snge
_n_conection isnot used
C00008
Table
2--Minimum
Airflow
for Safe
Operation
1
Electric
Heater
(CFM)
SIZE
I
024
030
600
750
048
036
900
Fig,
]
1050
042
8--Typical
l
1200
T 060 1
1500
installation
1_'(25ram) MtN.
TRAP
2" (50mm) MiN.
C99013
Fig. 9--Condensate
Trap
(Using
Tubing)
TRAP
OUTLET
1" rain.
C00009
Fig.
C.
CONNECTING
GROUND
Refer
to Fig
12 and 13_ (onnect
D.
ROUTING
CONTROL
Form
a drip-loop
into unit
Route
LEAD
TO UNiT
the ground
POWER
with the thermostat
Trap
GROUND
lead to the chassis
leads before
box (See Fi b
11). Connect
thermostat
wires through
grommet
routing
thermostat
providing
using
the unit ground
supplies 24-v power fbr complete
voltage is 208 v, rewire tran@ormer
E.
ELECTRIC
HEAT
installation
them
into the unit
leads and unit power
a drip-loop
The unit transformer
operation.
If supply
Re_r to accesso_electric heat
shown in Fig. 15A & 15B.
Condensate
tug in the control
box
WIRES
control
ACCESSORY
10-PVC
at the panel
Route
the thermostat
leads
as shown
Connect
leads through
grommeted
hole provided
in unit
in Fig. 13 & 14.
low-voltage
leads to the thermostat
as shown
system including
accessory
electrical heater. Transfbm_er
is _actory wired
primary as described
in the Special Procedures
for 208-v Operation
section
in Fig. 14.
t'or 230-v
below.
WIRING
instructions
for infom_ation
on installing
i0
accesso_"
electric
heat
Accesso_"
electric
heat wiring
is
F.
SPECIAL
PROCEDURES
A
WARNING:
Make
wiring
changes.
Electrical
FOR
sure
that
the
shock
1. Remove
wirenut
wirenut from connection
See unit wiring label.
2
Remove
the wirenut
3
Save the wirenut.
4
Connect
5
Ersing the wirenut
removed
6
Wrap
with electrical
the RED
208oV OPERATION
power
suppmy
to the
unit
can cause
serious
injury
or death.
of ORG
fi'om the terminal
lead to the BLK
the wirenuts
wire
to BLK
wire
Disconnect
on the end of the RED
wire fi'om which
fi'om d_e RED
is switched
OFF
the ORG
lead was disconnected.
the loose
tem_inal
tape so that the metal
terminals
cannot
operation.
RefBr to Indoor
for 208-v
lockout
tag
lead
before
making
fi'om the BLK
any
wire.
Save
lead.
lead, insulate
Indoor blower-motor
speeds may need to be changed
of (ontents
for page number.)
instal1
transl\_rmer-primary
transfom_er-prinlary
the ORG
and
Insulate
on the ORG
with wirenut
flora
Step
1.
lead
be seen
Airflow
and Airflow
A({iustments
section.
(See Table
injury or death:
or servicing
refrigerant
system.
PRE°START-UP
Z_
WARNING:
Failure
to observe
1. Follow
recognized
safety practices
2. Do not operate
3. Do not remove
compressor
compressor
the following
warnings
could
and wear protective
goggles
or provide
terminal
result
when
in serious
checking
any electric
power to unit unless
cover
until aH electrical
sources
compressor
terminal
cover is in place and secured.
are disconnected
and lockout
tag is installed.
4. Relieve
a[[ pressure
from both high- and Bow-pressure
sides of the system
before touching
or disturbing
anything
inside
terminal
box if refrigerant
leak is suspected
around
compressor
terminals.
Use accepted
methods
to recover
refrigerant.
5. Never attempt
to repair
soldered
connection
white refrigerant
system
is under
pressure.
6. Do not use torch to remove
any component.
System
wear protective
goggles
and proceed
as follows:
a. Shut off electrical
power to unit and
b. Relieve
aH refrigerant
from
system
refrigerant.
c. Cut component
d. Carefully
[se
the Start:Up
1. Remove
connecting
unsweat
tubing
remaining
Checklist
with
tubing
supplied
all access
install
using
oH and
lockout
tag.
both
high-
tubing
stubs
contains
cutter
when
at the end of this book
and
and
under
low-pressure
remove
necessary.
and proceed
refrigerant
ports.
component
Oil can
ignite
as follows
to inspect
Use
from
when
pressure.
To remove
accepted
a component,
methods
to
recover
unit.
exposed
and prepare
to torch
the unit
flame.
for initial
start:up:
panels.
HIGH-VOLTAGE
POWER
WIRING
ENTRY
HOLE
;i;./
LOW-VOLTAGE
WIRING
ENTRY
HOLE
..............................
,.'
IZIIIII%.
...................
\-C00010
Fig.
2. Read
Make
and follow
the following
instructions
on all DANGER,
Electrical
WARNING,
Connection
CAUTION,
and INFORMATION
labels
attached
to, or shipped
with, unit.
inspections:
a. Inspect
fbr shipping
b. Inspect
_br oil at all reti'igerant
rei'rigerant
tubing
for Refi'igerant
c. Inspect
ll--Unit
connections
Leaks
all t_eld-
refi'igerant
and handling
robing
damages
tubing
such
connections
using electronic
as broken
lines,
loose
parts,
and on unit base. Detecting
leak detector,
or liquid-soap
disconnected
oil generally
solution.
wires,
etc.
indicates
If a refi'igerant
a refrigerant
leak is detected,
leak. Leak-test
see following
all
Check
section.
and factory-wiring
or sheet
metal
connections.
Be
sure
that connections
edges.
11
are
completed
and tight.
Ensure
wires
do not
contact
COMPRESSOR
CONTACTOR
TRANSFORMER
O
O
O
O
O
o
ELECTRIC
HEATER
FUSES
GROUND
LUG
Fig.
d. Inspect
3. Verify
coil fins. If damaged
the %llowing
a Make
outlet
Adjustment
shipping
OUTDOOR
FAN MOTOR
AND COMPRESSOR
START
CAPACITOR
12--Control
and handling,
Box
carefully
HIGH
VOLTAGE
LEADS
C00011
Wiring
straighten
fins with a fin comb.
conditions:
sm'e that outdoor-tM_
grille
during
INDOOR
FAN
RELAY
(size 024
blade
is CO,Teeth positioned
048, See Fig. 21) or hub should
in fhn orifice
be 0.70%in.
Top edge of blade should
away
fi'om motor
proper
drainage.
t'rom outdoor
coil
end bell (size 060, See Fig. 22). See Outdoor
be 3125
in down
Fan
section.
b. Make
sure that air filter is in place.
c. Make
sure that condensate
d. Make
sure that all tools
&ain
trap is filled
and miscellaneous
with water
loose parts
to ensure
have been removed.
START-UP
Use the Start=L p Checklist supplied at the end of this book and proceed as follows:
PROCEDURE
A.
I--CHECK
FOR REFRIGERANT
LOCATE AND REPAIR REFRIGERANT
LEAKS
LEAKS AND CHARGE THE UNIT AS FOLLOWS:
1, Lsing both high- and tow-pressm'e ports, locate leaks and reclaim remaining refi'igerant to relieve system pressure,
2, Repair 1oak %ltowing accepted practices,
NOTE:
Install a liquid=line filter &ie* whenever the system has been opened for repair
PROCEDURE
2--START-UP
COOLING SECTION AND MAKE ADJUSTMENTS
Z_X CAUTION:
Complete
the required
procedures
not jumper
any safety devices
when operating
the
Do not
Do not
A.
given
unit.
in the PreoStart-
operate
the compressor
when the outdoor
temperature
rapid-cycle
the compressor.
Allow
5 minutes
between
CHECKING
COOLING
CONTROL
Start and check the unit %r proper
Up section
is below 40 F,
"on"
cycles
to prevent
switch
cooling
in COOL
page
before
compressor
starting
the unit,
Do
in ON position
and
damage.
OPERATION
control
operation
as %llows:
1. Place room thermostat SYSTEM switch in OFF position
Obsmwe that blower motor
shuts down within 30 seeconds when FAN switch is placed in AUTO position
2. Place SYSTEM
this
position
and FAN
switch
in AUTO
position.
compressor,
outdoor tim,and indoor blower motors start and that reversing
setting is satisfied. Reversing
valve (RV) remains energized.
3. Place system switch in HEAT position. Observe that compressor,
heat pump heating mode). Set control above room temperature.
indoor
Observe
12
starts when FAN" switch
Set cooling
valve shifts.
control
Observe
is placed
below room
that cooling
temperature
Observe
that
cycle shuts down when contloi
tMa and outdoor fire energize (Reversing
Valve is deenergized
in
that heating cycle shuts down when control setting is satisfied.
UNIT GROUND
©
@
@
©
GROUND
-
[S'NGLE-PHASE
[]-_
-L]_]
LEAD
3-PHASE
|CONNECTIONS q
CONNECTIONS ITO DISCONNECT1 .
TO DtSCONNECT1PER NEC
L_PER NEC
|
L
h
LJJ_
L_
L_
LJ_
C00012
Fig,
13--Line
Power
Connections
--[-THERMOSTAT
AND SUBBASE
UNIT CONTROL POWER
SPLICE BOX
C99056
Fig,
4
When
using
art automatic
changeover
room
thermostat,
place
both
SYSTEM
and FAN
switches
operates in Cooling mode when temperatore
control is set to "call for cooling"
(below
mode when temperature
control is set to "call for heating"
(above room temperature).
COMPRESSOR
ROTATION
B.
On 3 Phase
units it is important
in the proper
direction:
1. Connect
service
2. Energize
the compressor.
3. The
suction
gages
pressure
[f the suction
pressure
1. Turn
off power
to be certain
to suction
should
compressor
and discharge
drop
is rotating
pressure
and the discharge
does not &op and the discharge
to the unit
in the proper
direction.
14--Control
room
in AUTO
temperature),
To determine
whether
pressure
pressure
should
rise, as is normal
does not rise to normal
is rotating
leads.
I. Re_I
of refrigerant
Manual, Refrigerants
section. Unit panels
15 minutes befbre checking charge.
A.
NO CHARGE
Ret'rigerant
or not compressor
on any start-up.
Refrigerant
refi'igerant
B.
LOW
that unit
in Heating
levels:
level of noise
RefeI to Payne
Observe
fittings.
The suction and discharge
pressure levels should now move to their normal start-up levels.
NOTE:
When the compressor
is rotation in the wrong direction, the unit makes an elevated
PROCEDURE
3--REFRIGERANT
CHARGE
Amount
positions.
and unit operates
and tag disconnect.
2. Reverse any [wo of the unit power
3. Turn on power to the unit.
(harge
Connections
Service
charge
is listed on unit nameplate
must be in place when
Techniqnes
Use standard
and in Table
unit is operating
evacuating
during
techniques.
charging
and does not provide
[o Payne Ret'rigerant
procedure.
At'ter evacuating
Service
Unit must
system_
weigh
cooling.
operate
Techniques
a minin_um
in the specified
of
amount
of"
(refer to Table 1).
CHARGE
COOLmNG
[sing cooling charging chart (see Fig. 16 2 I)_Vary rei?igerant until conditions
normally used (harts are based on charging the units to the con'ect superheat
of the chart are met. Note that charging chart is different fiom those
[br the various operating conditions
An accurate pressure gage and
temperature-sensing
device is required
Connec_ the pressure gauge
the suction line near the compressor
and insulate it so 4]at outdoor
C. TO USE THE COOLING
CHARGING
CHART
to the service port on the suction line Connect
ambient temperature
does not affkct reading.
This method
ambient
is to be used in cooling
mode
only. Take
the outdoor
determine what the suction temperature
should be. If suction
some of the charge. Recheck the suction pressure as charge
Example: (See Fig. 16)
Outdoor Temperature
Suction Pressure74
temperature
is adjusted.
temperature
and read the suction
temperature
pressure
gauge.
sensing
device
to
Refer
to charts
to
is high, add refrigerant.
If suction
temperatore
is low, carefully
heating
refi'igerant
and weigh
in according
recover
85°F
psig
Suction Temperature
should b_60_T
Note
Suction Temperature
may vary +/- 5°F
D.
HEATING
NODE CHARGE
Do not attempt
to adjust
plate refi'igerant
PROCEDURE
data.
4--mNDOOR
charge
by cooling
methods
while
in heat pump
AIRFLOW
AND
A_RFLOW
mode
Recover
capacity.
Mower
Z_
WARNING:
Disconnect
can cause
serious
Airflow
can be changed
injury
by changing
electrical
power
to the
unit
and
install
of the blower
motor.
or death.
the lead connections
data
ADJUSTMENTS
NOTE:
For cooling operation,
the recommended
airflow is 350 to 450 cfm per each 12,000 Btuh of rated cooling
Table 4 shows dW coil air delive W for horizontal
discharge traits. Tables 5-7 show pressure drops_
NOTE:
Be sure that all supply= and return-air
grilles are open, fi'ee fiom obstructions,
and adjusted properly.
shock
to unit
13
lockout
tag
before
changing
speed.
Electrical
SCHEMATIC
208/230
1 80
_m_EL_
BLK
MAXIMUM
WIRE
_
SIZE
2
AWG
_
USED
WITH
EQUIP
GNO
Pi_
SUPPLY
ACCESSORY
ELECTRIC
HEAT
OPTION
ONLY.
USED
WITH
HEATER
OPTIONS
S&IQKW
SIZE
2
MAXIMUM
USED
-
(024 042_
AWG
WIRE
IFR
C]CH F_
(024,030,042,048
WITH
ACCESSORY
ELECTRIC
HEAT
OPTION
ONLY.
_ OBO)
TDR
USED
WITH
HEATER
OPTIONS
S KW (048 O60)
I0 KW (O24
060)
(030
MAX[MUM
WIRE
SIZE
2/0
AWG
042)
&
OT
CAP1
USED WITH
ACCESSORY
ELECTRIC
HEAT
-GRN
BRN --
FOR
UNITS
(024,030,042,048
15&20KW(042
MAXIMUM
SIZE
2/0
&
OGO)
060)
WIRE
AMG
090
_TEST
CTO
RVS
Y
PL1
I
•
[SEE
I
NOTE#2)
b
24V
BLU
_
_BRN
_
m
_
_
jT
m
_
_
............--
_
__
_
ABOVE
10.0
K.W.
BSoPxL
I CE
NOTES
OFT
COMPRESSOR
OELAY
DEFROST
FAN
2.SEE
PRICE
AND
PAGES
SUBBASE
FOR
PART
THERMOSTAT
CTB
m
(TI'T2)I
I
o_.....
NUMBERS.
3.SET
HEAT
ANTICIPATOR
4.USE
75_C
COPPER
AT
.6
CONDUCTORS
CLOSES
(TSTAT)
ONLY.
SEQUENCE
OFf, OF
I
I
T
.......
(1,31
OPENS
1
I
I
_RQI Z_D B0
.... _ ........
COMPONENT ARRANGEMENT
LEGEND
YEL
SRN
BLOWER
HOUSING
N YE
_
_
SPLICE
MARKED
WIRE
TERMINAL
(UNMARKED)
TERMINAL
BLOCK
SPL[CE
SPL[CE
_co3_
I _UWOFM
__
?P
EQUIPQNDJ
W
**,*,,*,,*,,q_ RECEPTACLE
_CCESSORY
.... ,__,__
FACTORY
_OX "_
--J
_
m
_
m
m
m
(MARKED)
PLUG
I
m
mm
m
m
WIRING
FIELD
CONTROL
FIELD
POWER
ACCESSORY
TO
NOT
....1
DR
[NDICATE
POTENTIAL
TO
WIRING
WIRING
CAPACITOR
CB
CIRCUIT
COMP
COMPRESSOR
MOTOR
CTB
COMPRESSOR
TIME
EQUIP
EQUIPMENT
FU
FUSE
BREAKER
DELAY
GROUND
BB
DEFROST
BOARD
OFT
DEFROST
THERMOSTAT
OR
BT
DEFROST
DISCHARGE
IFR
INDOOR
_
INDOOR
FAN
MOTOR
LOW PRESSURE
SWITCH
OPTIONAL
WIRING
COMMON
036, 048, and 060 blower
15A--Typical
motors
are factor,
RELAY
THERMOSTAT
FAN
RELAY
OFM
PL
OUTDOOR
PLUG
QT
RVS
QUADRUPLE
REVERS[N6
FAN
TERMINAL
VALVE
SOLENOID
SB
SLOW
FUSE
TBR
TRAN
TIME
BELAY
TRANSFORMER
BLOW
MOTOR
RELAY
ONLY:
REPRESENT
WIRINO
.....................
[] [] []
Fig.
A.
CONTACTOR,COMPRESSOR
CAP
.....
r
speed
C
GND
/
l_ nits PHIZ024,
(MARKED)
I_NDOORFAF
[_{]
........... ,
.............
F[ELD
TERMINAL
0
_i_
CYCLE
QPFN
.
m
mbt?/Hhttttgqtq
F
C01022
Unit
E(ectrical
Diagram
(208/230-1-60)
wired
IZ_r
low speed operation.
Units PHIZ030
and 042 are fitctory wired
£_rmedium
operation.
FOR
The motor
2081230oV
leads
(See Page
18}
as follows:
are coloPcoded
To change the speed of the indoor fan motor (IFM), remove the fan motor speed leg lead from the indoor _hn relay (IFR) with units 024, 030, 042,
048 & 060 or the time delay relay (TDR) on 036 size and replace with lead iZ_r desired blower motor speed./;_.s_date
the *rmo*,ed Zead to re,old
co'n_act with c,/_a.s.si.sparle'
B.
FOR
The motor
4gOoV MOTORS
leads
(See
are color coded
Page
18)
as follows:
14
C _
- .BRN....(C,
OM_AON_)
wl_.,_ - _vLo_sT_p_2L_
|
|
l
CONTACTOR 2
UNIT POWER
WIRING
FUSE BLOCK
I
l
CONTACTOR
1
EL_
m
L2_
AUTO-LIMIT
BLK
YEL
co06RT i
Fig.
15B--Accessory
Electric
Heater
Wiring
To change the speed of the indoor fan motor (IFM) f?om tow speed to high speed, remove the red lead flora the indoor-fhn relay (IFR). ON 2 Speed
Motors: Insulate the red lead to avoid contact with any chassis parts. Separate the black lead fl'om the purple lea& Connect the black lead to the
IFR. Insulate the pmple lead to avoid contact with any chassis parts ON 3 Speed Motors: remove the fhn motor speed leg lead ['tom the indoor
(indoor)
tim relay
(IFR)
and replace
PROCEDURE
5--UNBT
All compressors
have the fbllowing
A.
HGH-PRESSURE
opens
B.
OF CHARGE
LOSS
blower
internal-protection
VALVE
when the pressure
COMPRESSOR
This overload
the internal
is suspected
tester.
differential
between
the low and high side becomes
FAN
excessive
(024 size has temperature
which functions
as a loss-of-charge
No adiustment
is necessa W
switch
This switch
interrupts
power
to the compressor
when either the cmrent
or internal
temperature
6--SEQUENCE
a Schrader
core
become
excessive,
and automatically
resets
when
OF OPERATION
switch
on the thermostat
controls
indoor
fhn operation.
When
the FAN switch
When the FAN switch is set to AUTO, the thermostat deenergizes
the IFR (provided
IFM is deenergized
The IFM will be energized
only when there is a call for cooling,
accesso_
electric
NOTE:
Some units
heat, the indoor=tim
are equipped
motor
will
also run while
with a time-delay
relay
is placed
in the ON position,
the accessory
On these units,
power
the IFR (indoor-fan
relay)
to the indoor (evaporator)
_m
there is not a call fbr cooling). The contacts open and the
in heat pmnp heating mode or if the unit is equipped with
electric
the indoor
heat is energize&
ihn remains
on i\_r 30 seconds
after G or Y is deenergized
COOLING
With the thermostat
snbbase in the cooling position,
places the unit in standby condition
for cooling.
NOTE:
The defrost
control
board
has a 5 minute
the thermostat
compressor
On a call for cooling,
the compressor
contactor
compressor
IFM.
supplies
to the compressor
contactor
the need for cooling
power
has been satisfied,
30-second
delay (036 size only),
solenoid remains energized
C.
contains
OVERLOAD
is energized through the G terminal on the thermostat
The normally-open
contacts close, which then provide
motor (IFM) The IFM will run continuously
when the FAN switch is set to ON
When
only)
OPERATION
_he FAN
B.
relief
SWITCH
temperature
&ops to a safe level. This overload may require up to 60 minutes (or longer) to reset; therefbre, if the internal overload
of being open, disconnect
the elecnical
power to the unit and check the circuit through the overload with an ohmmeter
or continuity
PROCEDURE
A.
speed
controls.
Located on the outdoor liquid line is a low-pressure
switch
depressor, This switch opens at 7 psig and closes at 22 psig
C.
motor
CONTROLS
RELIEF
This valve
with lead fbr desired
HEAT
PUMP
the indoor
makes
anti-short
circuit
the OFM,
compressor,
fan will remain
energized
This energizes
cycle time delay
(C) and d_e IFR are energized
and the outdoor
R-O
through
(condenser)
built in between
compressor
the Y and G terminals
tim motor
(OFM)
and IFM (FAX' on AUTO)
ibr 30 seconds
the reversing
solenoid
are deenergized.
(RVS)
and
starts.
of the thermostat
Energizing
after the compressor
vah-e
Energizing
the
power
to the
If the unit is equipped
with a
the IFR provides
is deenergized
The reversing
valve
HEATING
On a call fbr heat, thermostat makes circuits R-Y and R-G. Vv'hen compressor
time delay (5-minute ÷ 2 minutes)
to C, starting COMP and OFM. (ircuit
R-G also energizes IFR and starts IFM after 1-second delay.
15
is completed,
a circuit
is made
-->
Table
UNIT PHIZ
SIZE
(=SERIES,
USED)
V-PH-HZ
IF
024=311
COMPRESSOR
MIN
RLA
187
208/230-1-60
024=321
VOLTAGE
RANGE
187
208/230-1-60
187
208/230-1-60
MAX
254
254
254
11.4
12.1
14.4
3--Electrical
LRA
560
540
730
OFM
FLA
Data--PHIZ
IFM
FLA
0.9
2.4
0.9
2.4
1.5
2.4
030
187
2081230-3-6
187
208/230-1-60
038
187
208/230-3-60
414
460-3-60
187
208/230-1-60
042
187
208/230-3-60
414
460-3-60
187
208/230-1-60
048
187
208/230-3-60
414
460-3-60
187
230-1-60
060
187
208/230-3-60
460-3-60
(SeeEegend
fo{Iow{ng
ElecMcN
414
Data
254
254
254
508
254
254
508
254
254
508
254
254
508
10.0
17.7
11.4
5.7
22.0
13.9
6.8
21.8
12.8
6.4
27.7
15.9
8.0
630
930
770
390
103.0
880
440
124.0
930
465
170.0
124.0
598
1.5
5.8
1.5
2.8
1.5
2.8
0.8
2.0
1.5
2.8
1.5
2.8
0.8
2.0
1.5
4.2
1.5
4.2
0.8
4.2
3.1
6.2
3.1
6.2
1.5
3.2
ELECTRIC NEAT
SINGLE POINT POWER SUPPLY
FUSE
OR
CKT
BKR
Nominal KW*
FLA
MCA
43.8/50
5.6/75
75/10.0
43.8/50
5.6/75
75/10.0
43.8/50
5.6/75
75/10.0
11.3/15.0
43.8/50
75/10.0
11.3/15.0
43.8/50
5.6/75
75/10.0
11.3/15.0
43.8/50
75/10.0
11.3/15.0
-/183/208
269/31 3
361/417
-/183/208
269/31 3
361/417
4183/208
269/31 3
361/417
542/625
-/104/120
208/241
313/361
-/181/208
269/31 3
361/417
542/625
-/104/120
208/241
313/361
176/176
25/25
404/436
45/45
51 2/567
60/60
5
10
15
43.8/50
5.6/75
75/10.0
11.3/15.0
15/20
43.8/50
75/10.0
11.3/15.0
15/20
60
120
180
-/183/208
269/31 3
361/417
543/625
72 1/83 3
4105/120
208/241
314/361
41 4/479
5
10
15
20
43.8/50
5.6/75
75/10.0
11.3/15.0
15/20
43.8/50
75/10.0
11.3/15.0
15/20
80
120
180
241
-/183/208
269/31 3
361/417
542/625
722/833
4105/120
208/241
314/361
41 4/479
5
10
15
20
60
120
180
241
3.8/5
5.6/75
75/10
11.3/15
15.0/20
43.8/50
75/10.0
11.3/15.0
14.9/19.9
183/208
269/31 3
361/41 7
543/625
721/833
4105/120
208/241
314/361
414/479
5
10
15
19.9
60
120
18 0
239
70/70
627/697
184/184
25/25
41 3/444
45/45
521/576
60/60
70/80
636/706
21 9/21
9
30/30
448/479
555/61
0
45/50
60/-
8
35/35
670/740
898/100.0
168
299/31
45/50
9
60/-
264/264
35/35
493/524
50/60
746/786
943/104.6
186/186
25/25
31 7/336
35/35
446/487
578/637
45/50
60/-
99
15
174
2O
249
25
324
40/40
60/60
70/80
80/90
100/110
125/150
654/709
769/839
997/109.9
1219/135.9
7
30/30
47 7/51 8
35/40
50/50
70/70
80/90
609/668
734/81
113
6
15
188
2O
263
3O
338
35
41 4
45
330/330
40/40
558/590
60/60
70/80
80/90
110/125
125/150
666/721
781/851
1008/111.1
1231/137.1
21 7/21 70
348/367
477/51
8
25/25
35/40
50/60
70/70
80/90
61 0/668
735/81
109
-/70
35
8
547/578
21 7/21
348/367
-/70
70/70
80/80
100/110
601/656
31 8/31
-/70
70/80
90/110
20
428/469
561/61
MOCP
6
15
184
2O
259
3O
334
35
408
45
439/439
60/60
70/70
80/90
90/100
125/125
150/150
668/699
776/831
891/961
1118/122.1
1341/148.1
292/292
423/442
35/35
45/45
552/593
60/60
70/80
90/90
684/743
809/891
147
2O
222
25
297
3O
372
4O
446
45
charts)
Should room temperature
continue to fall, circuit R-W is made through seco*ad-stage d_etw_ostat bulb, If optional electric heat package is used, a
relay is energized, bringing on first bank of supplemental
electric heat, When thermostat
is satisfied, contacts open, deenergizing
contactor
and
relay;
motors
and heaters
deenergize,
The IFM may be controlled
by a timeodelay
id
relay
that keeps
the fan on for 30 seconds,
EXAMPLE: Supply voltage is 460-3-60.
A B C
AB = 452 v
LEGEND
AC = 455 v
FLA
-- Fult Load Amps
LRA
-- Locked Rotor Amps
1,_
MCA
-- Minimum Circuit Amps
MOCP -- Maximum Overcurrent Protection
RLA
-- Rated Load Amps
CKT BKR -- Circuit Breaker
452 + 464 + 455
Average Voltage =
BC = 464 v
3
1371
3
= 457
NOTES:
Determine maximum deviation from average voltage.
(AB) 457 452=5v
(BC) 464 457=7v
(AC) 457 455=2v
Maximum deviation is 7 v.
1. In compliance with NEC (National Electrical Code) requirements
for multimotor and combination toad equipment (refer to NEC
Articles 430 and 440), the overcurrent protective device for the
unit shall be Power Supply fuse. Canadian units may be
fuse or circuit breaker.
2. Minimum wire size is based on 60 C copper wire. If other than
60 C wire is used, or if tength exceeds wire length in table,
determine size from NEC.
3. Unbalanced
3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is greater than 2%. Use the following formula to determine
the percentage of voltage imbalance.
Determine
percent of 'voltage imbalance.
7
% Voltage Imbalance = 100 x -457
= 1.53%
This amount of phase imbalance
maximum allowable 2%.
% Voltage imbalance
= 100 x
max vottage deviation from average voltage
average vottage
is satisfactory
as it is below the
IMPORTANT:
If the supply voltage phase imbalance
is
more than 2%, contact your local etectric utility company
immediate@.
c99024
| JJ
m J
m|
Jm
J
B m
|J
|HI
40
SUCTION
50
LINE
60
70
TEMPERATURE
i
4
SUCTION
10
LINE
16
21
TEMPERATURE
i
3O
4O
SUCTION
Fig.
D.
30
5O
16--Cooling
LINE TEMPERATURE
Charging
Chart,
PHIZ024
is a time and temperature
control,
Units c00162
Fig.
17--Cooling
Chart,
90
27
32
PHIZ030
c00163
DEFROST
Defi'ost
board
(DB)
minutes). The time period
start only when contactor
which
includes
a fiekl-selectable
is [hctory=set at 30 minutes and should only be adjusted
is energized
and defrost thermostat
(DFT) is closed.
time period
by a trained
Del:i'ost mode is identical to Cooling mode. The outdoor fan motor stops because of "OFF'
bank of optional electric heat turns on to warm air supplying the conditioned
space.
E.
Charging
80
ELECTRIC
RESISTANCE
If accesso! 2- electric
heaters
between
service
and "OFT'
person.
contacts
checks
for defrost
Electronic
opening
timer
(30, 50 and 90
and defi'ost
on the deJi'ost
cycle
board,
HEATmNG
are installed,
on a call _i_)r"Emergency
Heat"
the thermostat
energizes
W which energises
energizes the electric heaters. The IFR is energized which starts the indoor-fan motor. If the heaters are stage&
stage of heating is required. When the need for heating is satisfied, the heater and IFM are deenergized.
the heater relay and in turn
W2 is energized
when the second
MAINTENANCE
To ensure continuing
high perfbm_ance,
and to reduce the possibility
of prenmmre
eqtdpment
on this equipment.
This cooling unit should be inspected at least once each year by a qualified
refer to Troubleshooting
chart
a
in back of book.
17
failure, periodic
sela'ice person.
nmintenance
must be performed
To troubleshoot
cooling of units,
683
O0
621
_UTDOOR TEMF
>F
C
_
115
46 ....
i 90
105
41
i
95
35
552
80
7585
2429
483
70
5565
1318
414
60
45
7....
do
?o
m
27
m
32
--
s45:s0
276
40
207m 30
3'0
4'0
?o
m
-1
SUCTION
m
4
LINE
I
10
60
7o
TEMPERATURE
m
m
16
21
80
SUCTION LINE TEMPERATURE ('C
SUCTION LINE TEMPERATURE (°C)
PHIZ036
18--Coolin¢
oo
E
552
80
_
483
70
414
60
90
(°F}
Unit 000164
.20--Coolin_
PHIZ048
Unit c00166
345 i 50
276
40
207m 30
£
|
-1
4_
_
SUCTION
LINE
do
7_
b
TEMPERATURE
£
{°F)
|
I
|
m
|
m
|
4
10
16
21
27
32
-1
SUCTION LINE TEMPERATURE (°C)
4_
5'0
SUCTION
LiNE
do
7_
TEMPERATURE
8'o
9'0
(°F)
|
I
|
m
|
m
4
10
16
21
27
32
SUCTION LINE TEMPERATURE (°C)
C00165
Fig.
FOR
19--CooJing
Charging
Chart,
PHIZ042
Units
Fig. 21--CooJing
Charging
Chart,
208/230oV
The motor
leads are color-coded
as %llows:
3-SPEED
2-SP_:ED
Mack = high speed
b_ue = medium
black = high speed
speed
red = _ow speed
FOR 460oV
The motor
red = low speed
MOTORS
leads are color
coded
as fbltows:
3oSPEED (0g0 ONLY)
2-SPEED
Mack = high speed
black = to purple
yeltow=
orange
= medium
speed
line
purple = to black
b_ue = low speed
red = line
18
PHlZ060
Unit 0°°167
NOTE
T() EQI. IPMENT
OWNER:
Consult
your
local
dealer
about
the availability
of a maintenance
contract.
Z_x WARNING:
The ability to properly
perform
maintenance
on this equipment
requires
certain expertise,
mechanical
skills, tools and equipment. If you do not possess these, do not attempt to perform any maintenance on this equipment, other
than those procedures recommended
in the User's Manual. FAILURE TO HEED THBSWARNmNG COULD RESULT IN SERIOUS
mNJURY, DEATH OR DAMAGE TO THIS EQUIPMENT.
The mininmm
maintenance
requirements
1 Inspect
air filter(s)
2
Inspect
indoor
3
Inspect
blower
blower motor and wheel for cleanliness
each cooling and heating
wheel bimonthly
to determine proper cleaning frequency
4
Check
electrical
connections
5
Check
the &ain
channel
each month.
coil, outdoor
%r this equipment
Clean
or replace
are as %llows:
when
necessary.
coil, drain pan, and condensate
for tighmess
and controls
in the top cover
periodically
drain
each cooling
and heating
season.
Clean
_br proper
operation
each
_br blockage
(leaves,
insects).
season
fbr cleanliness.
when necessary.
cooling
season
(lean
Service
(lean
when necessary.
For first heating
when
season,
inspect
necessary
as needed.
Z_ WARNBNG: Failure to follow these warnings could result in serious injury or death:
1. Turn off electrical power to the unit and install lockout tag before performing any maintenance
or service on the unit.
2. Use extreme caution when removing panels and parts. As with any mechanical equipment, personal injury can result from
sharp edges, etc.
3. Never place anything combustible
either on, or in contact with, the unit.
PROCEDURE
I--AIR
FILTER
NOTE:
Never operate the unit without
installed.
See Table 1 for recommended
a suitable air filter in the return-air
filter sizes
duct system.
Inspect air filter(s) at least once each month and replace (throwawayqype)
whenever
the filters become clogged with dust and lint.
Replace
filters with the same dimensional
PROCEDURE
2--UNIT
TOP
size and type as originally
REMOVAL
(OUTDOOR-COIL
or clean
provided,
Always
replace
(cleanable-type)
when
the filter with the same size as originally
at least twice during
each cooling
season
or
necessa_'.
SIDE)
NOTE:
When per[orn_ing n_aintenance or service procedures that require ren_oval of d-_eunit top, be sure to perform all of the routine n_aintenance
procedures
that require top removal, including
coil inspection
and cleaning,
and condensate
drain pan inspection
and cleaning.
Z_
could
WARNING:
Disconnect
and tag
cause serious
injury or death,
Only
qualified
Refer
to the following
service
personnel
should
top removal
e[ectNca[
per%tin
power
maintenance
to the
unit
and service
before
removing
top.
Failure
procedures
that require
unit
top removal
1. Remove
7 screws
on unit top cover
surface.
(Save
all screwsh
2 screws
on unit top cover
flange.
(Save
all screwsh
3. Lift top fi'om unit carefully.
Set top on edge and make sure that top is supported
4. Caret\ally replace
complete&
unit top to unit,
For longer
ti_,
operating
Z_
WARNING:
warning
could
economy,
warning
and tag
injury
using
screws
removed
in Steps
by unit side that is opposite
1 and 2_ when maintenance
duct (or plenum)
and/or
service
wheel
and motor
side.
procedures
are
MOTOR
eft_ciency,
electrical
clean
power
accumulated
to the unit
dirt and grease
before
cleaning
flora the blower
the blower
wheel.
Failure
annually.
to adhere
to this
or death,
wheel:
assembly
top access
b. Remove
3 screws
c. Loosen
setscrew(s)
and clean
a. Lift wheel
vanes.
AND
and continuing
serious
the blower
a. Remove
2. Remove
BLOWER
Disconnect
cause
To clean the blower
1. Access
and secure
3--INDOOR
to this
procedures:
2. Remove
PROCEDURE
to adhere
that hold blower
which
blower
from housing.
b. Remove
caked-on
vacuum
cleaner,
as %tlows:
panel
secure
wheel
When
orifice
wheel
shaft.
and/or
cleaning
housing.
Save
screws.
as follows:
handling
dirt flora wheel
using
ring to blower
to motor
a soft brush
and housing
with
attachment.
Remove
blower
wheel,
be sure not to disturb
a brush.
Remove
tint and/or
grease
19
and oil with a mild
balance
weights
(clips)
on blower
wheel
dirt accumulations
from
wheel
and housing
with
solvent.
TaMe
4--Dry
Coil
(Deduct
Air
Delivery*
10 percent
Horizontal
for 208 Volt
Discharge
Operation)
230 AND 460 VOLT
Unit
Motor Speed
Watts/CFM
Low
024
Med
High
Low
030
Med
High
Low
0S6
Med
High
Low
042 1"
0.2
0.3
Watts
288
285
282
279
274
268
261
Cfm
875
820
802
734
668
582
478
390
383
378
369
360
350
340
Cfm
1131
1090
1038
978
917
830
721
Watts
Cfm
528
1391
520
1338
510
1285
495
1200
480
1115
460
1018
450
920
Watts
288
285
282
279
274
268
261
Cfm
875
820
802
734
668
582
478
Watts
390
383
378
369
360
350
340
Cfm
1131
1090
1038
978
917
830
721
Watts
Cfm
528
1891
520
1338
510
1285
495
1200
480
1115
460
1018
450
920
0.8
Watts
450
435
420
400
380
335
326
31 I
Cfm
1231
1218
1204
1120
1008
950
863
751
Watts
470
450
445
410
388
359
338
321
Cfm
1302
1264
1205
1163
1081
940
873
783
Watts
Cfm
660
1700
635
1660
610
1581
575
1450
540
1297
505
1190
485
1095
460
999
0.9
Watts
478
458
440
411
378
350
327
317
Cfm
1303
1270
1224
1179
1126
1022
911
816
Watts
481
468
450
438
404
370
338
320
Cfm
1310
1280
1241
1181
1110
1022
943
811
798
1736
678
1688
647
1618
618
1510
578
1421
540
1309
500
1187
Watts
Cfm
Low
0.7
Watts
Med
High
External Static Pressure (in. wg)
0.4
0.5
0.6
0.1
460
1060
Watts
801
760
730
688
650
600
570
Cfm
1898
1841
1757
1682
1564
1429
1333
870
2000
842
1903
818
1799
782
1718
696
1625
632
1446
628
1365
Watts
048 1"
Med
Cfm
Watts
Cfm
High
Low
060 1"
Watts
890
850
810
790
735
680
580
480
422
Cfm
1834
1820
1791
1762
1703
1640
1415
1159
950
Watts
1040
1018
1000
950
890
835
790
650
580
Cfm
2230
2102
2025
1960
1901
1855
1752
1468
1121
Watts
Cfm
1073
2230
1038
2202
1001
2160
958
2122
896
2052
840
1926
800
1791
691
1588
575
1202
Med
High
460-v motors are 2-speed
Air delivery values are based on operating voltage of 230-v or 460-v, dry coil, without filter or electric heater Deduct wet coil filter, and electric heater pressure drops to
obtain external static pressure availabe for ducting.
Do not operate the unit at a cooling airflow that is less than 350 cfm for each 12,000 Btuh of rated cooling capacity. Evaporator coil frosting may occur at airflows below this
point.
Dashes indicate portions of the table that are beyond the blower motor capacity or are not recommended
c Reassemble
blower
approximately
round
into housing.
0.2-in.
below
Place
bottom
upper
orifice
ring on blower
of orifice
ring when
3 screws
removed
centered
to judge
correctly
location
of the blower
Be sure setscrews
wheel.
are tightened
Blower
wheel
on motor
should
be
and are not on
part of sha_l.
d. Set upper
orifice
e. Replace
top access
PROCEDURE
ring in place
with
in step 1.
panel.
4--OUTDOOR
COIL,
mNDOOR
COIL,
AND
CONDENSATE
Inspect d-le outdoor coil, indoor coil, and condensate
the removal of the unit top See Unit Top Removal
drain pan at least
section abo_e
Remove
that interfere
all obstructions
(including
weeds
and shrubs)
If coated with dirt or tint, clean the coils with a vacuum cleaner,
or grease, clean the coils with a mild detergentoandowaterosolution
on motors, insulation,
wiring or air filter(s).
inner outdoor coil, be sure to clean between
DRAIN
once heating
with the airflow
PAN
and cooling
through
season.
the outdoor
Proper
coil
inapection
Straighten
and cleaning
requires
bent fins with a fin comb
using a sot_ brush attachment
Be careful not Gobend the fins If coated with oil
Rinse coils with clear water, using a garden hose Be careful not to splash water
For best results, spray outdoorocoil
fins t'rom inside to outside the unit.
the coils. Be sure to flush all dirt and debris _i'om the unit base.
On units
with an outer
and
Inspect d_e &ain pan and condensate
drain line when inspecting the coils. Clean the &ain pan and condensate
drain by removing all foreign matter
fi'om the pan. Flush the pan and drain robe with clear water. Do not splash water on the insulation,
motor, wiring, or air filter(s). If the drain tube
is restricted,
clear
it with a "plumbers
snake"
or similar
probe
device.
Ensure
2O
that the auxiliary
&ain port above
the drain robe is also clear.
Table
5--Wet
UNIT SiZE
PHlZ
O3O
036
042
048
060
Table
FILTER
SIZE
(IN.)
24 x 24
24 x 30
UNIT
SIZE
PH1Z
024-042
048,060
FILTER
SIZE
{IN.)
24 x 24
24 x 30
Pressure
Dro
ABRFLOW
(CFM)
600
024
UNIT
SIZE
PH1Z
024=042
048, 060
Coil
PRESSURE
0.02
700
0.05
800
0.06
900
0.07
900
0.06
1000
0.06
1200
0.08
1000
0.07
1200
0.09
1400
0.11
1600
0.12
1000
0.04
1200
0.06
1400
0.08
1600
0.09
1400
0.07
1600
0.08
1800
0.09
1700
0.07
1800
0.08
2100
0.09
2300
0.10
6--Filter
DROP
0N. We)
Pressure
Drop
(in. wg)
CFM
500
0.06
600
0.07
700
0.08
800
0.08
900
0.09
1000
1100
1200
1300
1400
009
009
0.10
0.11
0.08
012
009
CFM
1500
0.14
0.10
1600
0.15
0.11
Table
1700
1800
1900
2000
2100
2200
2300
012
013
0.14
0.15
016
0.17
0.18
7--Accessory
Electric
Heat
Pressure
Drop
(in. wg)
CFM
HEATER KW
5-20
PROCEDURE
Z_
of the
800
1000
1200
1400
1600
1800
2000
2200
0.06
0.08
0.10
0.13
0.15
0.18
0.20
0.23
0.25
alt obstructions
to ensure
5--OUTDOOR
CAUTmON:
top
600
unit.
FAN
Keep
the Outdoor
fan free from
Damage
to unit
resuR.
may
1. Shut off unit po_er
supply
2
assembly
Remo_e
outdoor-fan
3. Loosen
fan hub setscrews,
4
Adjust
tim height
5. Tighten
setscrews.
6. Replace
outdoor-fan
PROCEDURE
Inspect
and install lockout
as shown
(grille_ rnotor,
in Fig
cooling
operation,
Never
place
articles
on
tag.
motor
coxer,
AND
WIRING
and fan) by remoxing
scre_s
and flipping
assembly
onto unit top cover
21 or 22.
assembly.
6--ELECTRICAL
and check the electrical
CONTROLS
controls
and wiring
Remove the top panel to locate all d_e electrical
If any smoky or burned connections
are noticed,
properly
proper
annually.
Be .szfs'e to tzlrs_ q£{ tlle electriccd
controls and wiring. Check
disassemble
the connection,
and securely.
21
2ower
to tlle zmit cmd i_sta#
lockout
tag.
all electrical connections
fbr tightness. Tighten a!l screx_ connections.
clean all the parts, restrip the wire end and reassemble
the connection
C00021
Fig. 21--Outdoor-Fan
Adjustment
(024=048 Size)
C02017
Fig. 22--OutdooroFan
(beck
edges
to ensure
no wires are touching
refrigerant
tubing
Adjustment
o1"sharp sheet metal edges
(060 Size)
Move and secure
wires to isolate
fi'om robing
and sheet metal
After inspecting
the electrical controls and wiring, replace all the panels Start the unit, and observe at least one complete cooling cycle to ensure
proper operatiom
If discrepancies
are observed
in operating
cycle, or if a suspected multi.ruction
has occurre&
check each electIical component
with the proper
NOTE:
electrical
Refer to the Sequence
PROCEDURE
Inspect
instrumentation.
of Operation
7--REFRIGERANT
all re_'rigerant
Refer
section,
robing connections
perfbrmaace
If a refrigerant
leak is detected,
refer
If no refi'igerant
leaks are found
and low cooling
PROCEDURE
8--_NDOOR
is suspected,
to Check
Refrigerant
Check
does not require
checking
9--METERmNG
metering
valves
devices
are also located
PROCEDURE
annually
leak=test all refi'igeraat
section.
tubing
Detecting
oil generally
using an electronic
Leaks
refer to Refi'igerant
unless improper
perfbrmance
is suspected
as_d that the air filter
(See Table
of Contents
indicates
leak-detector,
a refi'igerant
or liquid-soap
leaL
solution.
f'or page number.)
Charge.
(See Table
of Contents
for page number.
i.s c/c-as_. When
Ira problem
_:visL_'.be .sw'e that all_@id3'-
necessa_',
refer to Indoor
to [!_e indoor
and outdoor
Airflow
cmd return-an'
and Airflow
Adjustments
DEVBCES
are f_xed orifices
in the liquid
and are located
in the inlet header
lines near the strainers.
compressor
is charged
with
PROCEDURE
11--LBQUID
UNE
Located
operation.
is suspected,
Fan motor bearings
line strainer
valves
control
performance
BEARINGS
PROCEDURE
proper
fbr Refrigerant
FAN MOTOR
(beck
checkouts.
The check valves
are the smaller
coils
of the two components.
10--LUBR_CATmON
COMPRESSO_The
7he liquid
these
ABRFLOW
grgles are open and fi'eefi'om
ob.str_ctio_v.s,
section to check the system airflow.
PROCEDURE
as an aid in determining
making
and the unit base fbr oil accumulations
or if low cooling
airflow
label when
CIRCUIT
If oil is detected
The cooling
to the unit wiring
(to protect
are also located
12--HGH
on the compressor
amount
of oil at the £hctory
lubricated.
No further
lubrication
of outdoor
or indoor
fun motors
is required.
STRAINER
metering
in the liquid
FLOW
the correct
are pem_anently
device)
is made
of wire mesh and is located
lines near the stlainers.
The Stlainers
in the liquid line on the inlet side of the meteiing
are the larger
device.
of the two components.
VALVES
hot gas and suction
tubes are High
inside the caps. These valves can not be accessed
refrigerant
leakage could occur.
for service
Flow Valves.
in the field.
22
Large black plastic
caps distinguish
Ensure
caps are in place
the plastic
these valves
and tight
with ()-rings
located
or the possibility
of
OUTDOOR COIL
LCS
.=
Check Valves
A
Open
8
Closed
C
Open
D
Closed
LEGEND
LCS
Loss of Charge Switch
]
Acutrol
Metering
Check Valve (Arrow
Device
indicates
direction
of flow)
HEATING CYCLE
1
2
Hot gas from compressor flows through the 4-way valve and is
directed to the cooling liquid line check valve It is then condensed
and directed through subcooling circuits and out to the strainer
and the check vatve in the heating liquid line
The refrigerant then feeds the outdoor coil through the Acutrol
metering device on each circuit.
3. Each circuit evaporates the refrigerant and the circuits are combined in the outdoor header with some of the circuits flowing through
the check valve.
4. The refrigerant then flows through the 4-way valve, accumulator,
and back to the compressor.
C95045
Fig. 23-Typical
Heat
Pump
23
Operation,
Heating
Mode
OUTDOOR
INDOOR COIL
COIL
LCS
Check Valves
A
Closed
B
Open
C
Closed
D
Open
LEGEND
LCS
Loss of Charge
]
Acutrol
Switch
Metering
Device
Check Valve (Arrow indicates
direction
of flow)
COOLING
1. Hot gas from compressor
flows through the 4-way valve and is
directed to the heating liquid line check valve. It is then condensed and subcooled through converging circuits. Refrigerant leaves
the outdoor coil by way of the strainer and the check valve in the
cooling liquid line.
2. The refrigerant then feeds the indoor coil through the Acutrol
metering device on each circuit.
CYCLE
3
4
Each circuit evaporates the refrigerant and the circuits are combined in the indoor coil header with some of the circuits flowing
through the check valve.
The refrigerant then flows through the 4-way valve, accumulator.
and back to the compressor
C95044
Fig.
24=Typicam
Heat
Pump
24
Operation,
Cooling
Mode
Balance
Point Worksheet
80000
2
D
__
60000
}-- o
@@_Q-
50000
c,')O
3_
o88o
_
30000
c
D
20000
10000
-10
20
10
3O
Outdoor
Air
Temp
4O
(Deg
5O
6O
F)
C01038
Fig.
25-PHIZ
Balance
25
Point
Chart
Table8--Troubleshooting--Cooling
andHeating
SYMPTOM
Compressor
and
outdoor
fan
will
net
start.
CAUSE
Power Failure
Loss of Charge
8witch open
Fuse blown or circuit breaker tripped
Defective thermostat, contractor, transformer,
control relay
Insufficient line voltage
Incorrect or faulty wiring
Thermostat
Compressor
will
not start but outdoor
runs.
fan
REMEDY
Call power company
Evaluate unit for possible refrigerant
Reslace
or
setting too high
Faulty wiring or loose connections in compressor
circuit
Compressor motor burned out, seized, or internal
overload open
Defective run/start capacitor ovedoad start relay
One leg of 3-phase
power dead
Low input voltage
(20 percent !ew)
Refrigerant
cycles
Compressor
(other
than
normally
Compressor
satisfying
thermostat}.
operates continuously.
overcharge
or undercharge
Loss of Charge
8witch open
Defective compressor
Insufficient line voltage
Blocked outdoor coil (cooling)
Defective run/start capacitor, overload or start
re!ay
Defective thermostat
Faulty outdoor-fan motor or capacitor
Restriction in refrigerant system
Dirty air filter
Unit undersized for load
Thermostat set too low
Low refrigerant charge
Leaking valves in compressor
Frosted outdoor coil with incorrect
defrost operation (heatinq)
Air in refrigerant
system
outdoor coil dirty or restricted
Dirty air filter
Dirty outdeer ceit
Refrigerant overcharged
Excessive head pressure,
Air in refrigerant
Outdoor
Head pressure
Excessive suction
Suction
too low.
pressure,
pressure too low.
Compressor runs but
outdoor fan does not.
system
or indoor air restricted
or air is reeirculating
Low refrigerant charqe
Compressor valves leaking
Restriction in {iquid tube
High heat load
Compressor valves leaking
Refrigerant overcharged
Dirty air filter tcoolisg)
Low refrigerant charge
Meterinq device or low side restricted
Insufficient
indoor airflow (cooling)
Temperature too low in conditiosed area tcooling)
Outdoor ambient below 40°F tcooling)
Field-instalbd
filter-drier restricted
Normally dosed contacts on
defrost board open
leak
fuse or reset circuit breaker
Reptace component
Determine cause and correct
Check wiring diagram and rewire correctly
Lower thermostat setting below room temperat_re
Check wiring and repair or replace
Determine cause
Replace comsressor
Determine cause and replace
Replace fuse or reset circuit breaker
Determine cause
Determine
cause and correct
Recover refrigerant, evacuate system, and recharge to capacities shown on nameplate
Evaluate unit for possible refrigerant
leak
Replace and determine cause
Determine cause and correct
Determine cause and correct
Determine
cause and replace
Reslace thermostat
Replace
Locate restriction and remove
Replace filter
Decrease load or increase unit size
Reset thermostat
Locate leak repair, and recharge
Replace compressor
Check defrost time settings. Reset as necessary
Check defrost temperature switch. Replace as necessary.
Recover refrigerant, evacuate system, and recharge
C_ean coil or remove restriction
Rep!ace filter
Clean coil
Recover excess refrigerant
Recover refrigerant, evacuate system, and recharge
Determine
cause and correct
Check for leaks, repair and recharqe
Replace compressor
Remove restriction
Check for source and eliminate
Replace compressor
Recover excess refrigerant
Replace Filter
Check for leaks_ repair, and recharqe
Remove source of restriction
Increase air quantity
Check filter- replace if necessary
Reset thermostat
Install low-ambient kit
Replace
Check condition of relay on board.
Replace board if necessary.
START-UP CHECKLIST
AND STORE BNJOB FILE)
(REMOVE
L PRELIMINARY INFORMATION
Model No .............................................................................................................................................................
Serial No ..............................................................................................................................................................
Date ......................................................................................................................................................................
Technician ...........................................................................................................................................................
Customer In_brmation(Name/Addre
ss)
IL PRE-START-UP
Verify that all packing materials have been removed _kom unit
Verify that condensate connection is installed per installation instructions
Check all electrica! connections and terminals _br tighmess
Check wire proximity to refiigerant robes and sheet metal edges
Check that indoor (indoor) air filter is clean and in place
Verify that unit installation is level
Check _tll wheel propeller for location in housing and setscrew tighmess
III. START-UP
Supply Voltage: LIoL2
L2oL3
L3=LI
Compressor Amps: L i (C)
L2(S)
L3 (R)
Indoor Fan Amps:
O-indoor Fan Amps:
TEMPERATURE-(
ooling Mode
DB
WB
Outdoor Air Temperature:
DB
WB
RemmoAir Temperature:
WB
Cooling Supply Air:
DB
PRESSURES-CooliI_g Mode
Refiigerant Suction
Suction Line Temp*
Re[iigerant Discharge
Discharge Tempt
psig
psig
TEMPERATURE-Heating
Mode
DB
Outdoor Air Temperature:
DB
RemrnoAir Temperature:
DB
Cooling Supply Air:
PRESSURES-Heating
Mode
Refiigerant Suction
psig
Suction Line Temp*
Refiigerant Discharge
psig
Discharge Temp_"
WB
WB
WB
Verify Refrigerant charge using charging rubles
Verify that 3ophase scroll compressor is rotating in conect direction.
*Measured at suction inlet to compressor
_'Measured at liquid line leaving outdoor coil
27
© 2003
Payne
Heathlg
& Cooling
P.O.
Box
70,
Indianapolis,
iN 46206
2S
imPHlZ02
Catalog No. 53PH-1Z7
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