ASPT Service Manual
Table Of Contents
- IMPORTANT INFORMATION
- PRODUCT IDENTIFICATION
- Checking Voltage
- Checking Wiring
- Checking Thermostat And Wiring
- Thermostat Wiring
- Checking Transformer And Control Circuit
- Checking Contactor And/Or Relays
- Checking Contactor Contacts
- Checking Fan Relay Contacts
- Checking Loss Of Charge Protector (Heat Pump Models)
- Checking High Pressure Control
- Checking Low Pressure Control
- Copeland Comfort Alertâ„¢ Diagnostics - 3-Wire module
- Copeland Coresenseâ„¢ Diagnostics - 3-Wire module
- Checking Capacitor
- Resistance Check Using A Digital Multi-Meter
- Capacitance Check Using A Digital Multi-Meter (In Capacitance Mode)
- Testing a Run Capacitor Under Load
- Checking Outdoor Fan and Blower Motors (PSC Motors)
- Checking Fan and Blower Motor (ECM Motors)
- Checking ECM Motor Windings
- ECM CFM Adjustments MBE/AEPF
- Blower Performance Data
- Checking High Efficiency Motors
- EEM Blower Replacement
- MBR/AR*F Electronic Blower Time Delay Relay
- Checking Compressor
- Resistance Test
- Ground Test
- Unloader Test Procedure
- Operation Test
- Checking 3-Phase Scroll Compressor Rotation
- Testing Crankcase Heater (Optional Item)
- Checking Reversing Valve and Solenoid
- Testing Defrost Control
- Testing Defrost Thermostat
- Checking Heater Limit Control(s)
- Checking Heater Elements
- Electric Heater (Optional Item)
- Checking Heater Limit Control(s)
- Checking Heater Elements
- Refrigeration Repair Practice
- Leak Testing (Nitrogen or Nitrogen-Traced)
- Evacuation
- Charging
- Checking Compressor Efficiency
- Overfeeding
- Underfeeding
- Checking Superheat
- Subcooling on Expansion Valve System
- Checking Expansion Valve Operation
- Checking Restricted Liquid Line
- Overcharge Of Refrigerant
- Non-Condensables
- Compressor Burnout
- Refrigerant Piping
- Duct Static Pressures
- Single Piece Air Handler External Static
- Two Piece Air Handler External Static Pressure
- Furnace External Static Pressure
- Periodic Maintenance
WIRING DIAGRAMS
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
155
SSZ160[60]1BA,
SSZ160[60]1AB/AC/AD/AE
USE N.E.C. CLASS 2 WIRE
COMP
ALTERNATE DOUBLE
POLE CONTACTOR ONLY
IO
T1
C
M
A
I
N
R
A
U
X
5
S
SR
SA
2
1
RCCF
SC
T2
C
L1
L2
(IF USED)
NOTE 2
CH
C
F
M
A
I
N
A
U
X
IO
CM
C
O
L
O
R C
O D
E
BK -------- ------- BL ACK
BL/P K ---------- BLUE/PINK ST RIPE
BR --------------- BR OW N
OR --------------- OR ANGE
PU --------------- PU RPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/P K----------- YELLOW/PINK STRIPE
C
O
M
PO NE
N
T C
O D E
C --------------- CONTACTOR
CCR------- ----- COMPRESSOR CONTACTO R RELAY
CH -- ----------- CR ANKC ASE HEATER
CHS ---- ------- CRANKCASE HEATER SWITCH
CM ------------ OUTDOOR FAN MOTOR
CMR ---------- COND ENSER MOTOR RELAY
COMP -------- COMPRESSOR
CS ------------- COMPRESSOR SO LENOID
DC -- ----------- DE FROS T CO NTROL
DFT ----------- DEFROST THERMOSTAT
DT ------------- DISCHARGE THERMOST AT
HPS------------ HIGH PRESSURE SWIT CH
HVDR -------- HIGH VOLTAGE DEFROST RELAY
IO -------------- IN TERN AL OVERLOAD
LPS ------------ LOW PRESSURE SWITCH
LVDR --------- LOW VO LTAGE DEFROST REL AY
LVJB ---------- LOW VOLTAGE JUNCTION BOX
RCCF --------- RUN CAPACITOR FOR COMPRESSOR & FAN
RVC ----------- REVERSING VALV E COIL
SA -------- ----- START ASSIST
SC ------------- START CAPACITOR FOR COMPRESSOR (OPTIONAL)
SR ------------- START RELAY FOR COMPRESS OR (OPTION AL)
CONTROLS SHOWN WITH THERMOST AT IN 'OFF' POSITION .
OUTDOOR POWER SUPPLY
SEE RATING PL ATE
WIR
I
N
G C
O
D
E
FA
C
TO
RY WI
RI
N G
HIGH VOLT AGE
LOW VOLTAGE
OPTIONAL HIGH VOLT AGE
FIEL
D WI RI N
G
HIGH VOLTAGE
LOW VOLTAGE
CONTRO L BOX
SC
RD BL
L2
T2
L1
T1
C
BK
BK
BK
RD
RD
BL
RD
RCCF
BR
PU
SR
5
2
1
BK
YL
BL
BK
BR
PU
BK
YL/PK
LPS
DF1
DF2
(HIGH)
CH
LVDR
R
INDOOR POWER SUPPLY
Y
HPS
O
W2
R
(
L
O
W
)
5
4
2
HVDR
CMR
(HIGH)
(LOW)
RD
BK
YL/PK
CMR
BL
RD
BK
1
3
4
2
5
RD
RD
RD
BK
BK
BL
YL/PK
BL
PU
CHS
LPS
PS2
R-PS1
O
W
CCR
Y
Y2 C
Y2
CS
}
FIELD LOW
VOLT AGE
CONNECTIONS
BK
BK
RD
SA
(IF USED)
NOTE 2
BL/PK
DFT
BK
RVC
BK
RD
BK
DT
RD
RD
BL
BK
GR
BL/PK
BK
BK
DT
HPS
CS
C
Y2
T1
L1
T2
L2
CN
T
DFT
C
DC
DFT
C
RVC
1
3
R-DFT
O-RV
CMR
C-RV
C
0140R00172-B
DC
R
DF 1
DF2
0
0-RV
C-RV
W
LVDR
HV DR
CCR
CNT
0
DFT
R-DFT
R-PS1
Y
Y
C
R
C
C
PS2
RD
RD
EQUIPMENT
GROUND
NOTE 4
NOTES:
1) TO INDOOR UNIT LOW VOLT AGE TERMIN AL
BLOCK AND INDOOR THERMOST AT.
2) START ASSIST FACTORY EQUIPPED WHEN
REQUIRED.
3) THE COMM ON SIDE OF LOW VOLT AGE SH ALL
NOT BE GROUNDED.
4) USE COPPER CONDUCTOR ONLY.
5) CRANKC ASE HE ATER MAY NOT
HAVE ADDITION AL GROUND WI RE.
6) CRANKC ASE HE ATER & CR ANKC ASE
HEATER SWITCH ARE FACTORY
INSTALLED OPTION.
SEE NOTE 6
YL
BL/PK
YL/PK
PU
WH
PUOR
OR
WH
RD
PU
BL
YL
O
W2
R
Y
C
Y2
LVJB
ALTERNAT E
DOUBLE POLE
CONTACTOR
CHS
CH
RD
BK
SEE NOTE 1
BL
BK
IO
AUX
MAIN
RD
YL
CM
H
F
C
YL
YL
YL
YL/PK
RD
RD
AUX
MAIN
COMP
C
S
R
SEE NOTE 6