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.
145
GSZ11[090-120]3A*
USE N.E.C. CLASS 2 WIRE
NOTES:
1) TO INDOOR UNIT LOW VOLTAGE TERMINAL BLOCK & INDOOR THERMOSTAT.
2) CRANKCASE HEATER FACTORY INSTALLED OPTION.
3) USE COPPER CONDUC TORS ONLY
4) 40VA MINIMUM TRANSFORMER IS REQUIRED
5) COMMON SIDE OF TRANSFORMER MUST BE GROUNDED
0140R00186 - C
OR
YL
BL
RD
O
Y
C
R
SEE NOTE # 1
YL/PK ---------- YELLOW W/ PINK
HASH MARKS
COMPONENT CODE
C --------------- CONTACTOR
CH ------------- CR ANKC ASE HE ATER
CM ------------ OUTDOOR FAN MOTOR
COMP -------- COMPR ESSOR
DC ------------ - DEFROST CO NTROL
DFT ----------- DEFROST THERMOSTAT
FC ------------- FAN CAPA CITOR
HVDR -------- HIGH VOLTAGE DEFROST RELAY
IO -------------- IN TERNAL OVERLO AD
LPS ------------ LO W PRESSURE SWIT CH
LVDR --------- LO W VOLTAG E DEFROST RELAY
LVJB ---------- LOW VOLTAGE JUNCTION BOX
RVC ----------- REVERSING VA LVE COIL
CMR ----------- CONDENSER MOTOR RELAY
HPS ------ ----- HI GH PR ESSURE SWITCH
CHS ----------- CRANKC ASE HEATER SWITCH
CONTROLS SH OW N WITH TH ER MOSTAT IN 'OFF' PO SI TION.
W IRIN G C ODE
FA CTO
RY W
IRI NG
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIELD WI RI NG
HIGH VOLTAGE
LOW VOLTAGE
LVJB
CONTROL BOX
BK
BR
PU
BK
DFT
YL/PK
LPS
EQUIPMENT
GROUND
DFT
W
O-RV
DC
RVC
BK
BK
CH
BK
WH
W2
YL
BK
RD
BK
BK
YL
C
T1
L1
T2
L2
T3
L3PU
PU
RD
FC
PU
BR
PU
3
1
CMR
BL
BL
BK
BL/P K
BL/PK
HPS
RD
BK
BK
CMR
C OL OR C ODE
BK --------------- BLAC K
BL --------------- BLUE
BR --------------- BROWN
OR --------------- ORANGE
PK ---------------- PINK
PU --------------- PURPLE
RD ------- -------- RED
WH -------------- WHITE
YL --------------- YELLOW
BL/PK ---------- BLUE W/PI NK
HASH MARKS
L1 L2 L3
DC
RD
BK
BK
BL
RD
PU
OR
BL/PK
WH
T1
C
FC
T3
C
L1
L3
L2
C
T2
CH
Y
PS1PS2 CNT
DFTR-DFT
C-RV
DF1DF2
O
LPS
HPS
W2 YO
C
CMR
RVC
R
C
OUTD OOR POWER SUPPLY
SEE RATING PLATE
2
1 3
COMP
L1 L2 L3
CM
COMP
S
C
R
CM
YL
YL/PK
YL/PK
OR
WH
RD
BL
BK
BL
BL
R
DF1
DF2
0
0-RV
C-RV
W
LVDR
HVDR
CCR
CNT
0
DFT
R-DF T
R-PS1
Y
Y
C
R
C
C
PS2
RD
RD
RD
RD
SEE NOTE 2
SEE NOTE 4 & 5
(IF USED)
NOTE 2
SEE NOTE 3
SEE NOTE 3
INDOOR POWE R SUPPLY