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 Alert™ Diagnostics - 3-Wire module
- Copeland Coresense™ 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.
137
*SX180[36-60]1A*
USE N.E.C. CLASS 2 WIRE
NOTES:
1) TO INDOOR UNIT LOW VOLTAGE
TERMINAL BLOCK & INDOOR
THERMOSTAT.
2) START ASSIST FA CTORY
EQUIPPED WHEN REQUIRED.
COMP
IO
T1
C
M
A
I
N
R
A
U
X
5
S
SR
CADM
SA
2
1
RC
SC
T2
C
L1
L2
(IF USED)
C
Y2
C
A
D
M
CADM
C
A
D
M
C
R
Y1
DC
SOL
CS
Y2
C
INDOOR POWER
SUPPLY
C
LPS
HPS
Y1Y2
CR
0140R00106
PU
YL
BL
RD
Y1
Y2
C
R
LVJB
NOTE 1
COL OR C OD E
BK --------------- BLACK
BL --------------- BLUE
BL/PK ---------- BLUE/PINK STRIPE
BR --------------- BROWN
GR --------------- GREEN
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/PK ---------- YELLOW/PINK STRIPE
GR/YL ---------- GREEN/YELLOW STRIPE
COM P ON E NT C ODE
C --------------- CONTACTOR
CADM -------- COMFORT ALERT MODULE
CM ------------ OUTDOOR FAN MOTOR
COMP -------- COMPRESSOR
CS ------------- COMPRESSOR SOLENOID
HPS ----------- HIGH PRESSURE SWITCH
IO -------------- INTERNAL OVERLOAD
LPS ------------ LOW PR ESSURE SWITCH
LV JB ---------- LOW VOLTAGEJUNCTIO N BOX
RC ------------ COMPRESSOR RUN CAPACITOR
SA ------------- START ASSIST
SC ------------- START CAPA CITOR FOR COMPRESSOR (OPTIONAL)
SR -------------START RELAY FOR COMPRESSOR (OPTIONAL)
CONTROLS SHOWN WITH THERMOSTAT IN 'OFF' POSITION.
OUTDOOR POWER SUPPLY
SEE RATING PLAT E
WIRI
NG C OD E
FA CTOR
Y W IRING
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIE
LD W IRING
HIGH VOLTAGE
LOW VOLTAGE
RD
SA
(IF USED)
NOTE 2
LV JB
CONTROL BOX
BK
SC
RD BL
L2
T2
L1
T1
C
BK
BK
RD
RD
BL
BL
YL/PK
PU
BL
RD
RC
YL
YL
YL
BR
RD
YL
RD
SR
5
2
1
BK
YL
BL
CM
WH
(HIGH)
BR
GR/YL
YL
(LOW)
YL
C
R
S
RD
BK
AUX
MAIN
COMP
CS
Y2
C
BK
RD
BL/PK
BL/PK
HPS
LPS
YL
BK
RD
DC
SOL
YL
PURD
BL
CADM
Y2 R C
Y1
YLRD
BK
R C
S
EQUIPMENT GROUND
USE COPPER
CONDUCTORS ONLY
ALTERNATE DOUBLE
POLE CONTACTOR ONLY
YL/PKYL/PK
YL/PK
BL/PK
BL/PK
PU
CM
CM
L1
L2
GND
L1
L2
GND
Y
L
W
H
B
L
BL
(COM)
ALTERNAT E DOUBLE
POLE CONTACTOR
L1
T1 T2
L2
YL
BK
C
HERM