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.
129
ASX140[18-36/48]1C[A/B]
ASX140421D[A/B] / ASX140[48-60]1[BA/B]
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
CADM
SA
2
1
RCCF
SC
T2
C
L1
L2
(IF US ED )
CH
C
C
A
D
M
CADM
F
C
A
D
M
M
A
I
N
A
U
X
IO
CM
(
L
O
W
)
3
2
(HIGH)
1
C
Y
C
LPS
YC
BL
BL/PK
C
Y
LVJB
NOTE 1
C
OMP
ONE NT C
O
DE
C --------------- CONTACTOR
CADM -------- COMFORT ALERT MODULE
CM ------------ OUTDOOR FAN MOTOR
COMP -------- COMPRESSOR
HPS
----------- HIGH PRESSURE SWITCH
IO -------------- INTERNAL OVERLOAD
LAT ------------ LOW AMBIENT THERMOSTAT
LPS
------------ LO W PRESSURE SWITCH
LVJB
---------- LOW VOLTAGE
JUNCTION BOX
RCCF
--------- RUN CAPACITOR FOR COMPRESSOR & FAN
SA ------------- START ASSIST
SC
------------- START CAPACITOR FOR COMPRESSOR (OPTIONAL)
S
R
-------------
START RELAY FOR COMPRESSOR (OPTIONAL)
CONTROLS SHOWN WITH THERMOSTAT IN 'OFF' POSITION.
T1
L1
T2
L2
ALTERNAT E DOUBLE
POLE CONTACTOR
OUTDOOR POWER SUPPLY
SEE RATING PL AT E
W
IR
IN
G
C
O
DE
FA
C
T
O
RY WI
R
I
N
G
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIEL
D
WI R
I
N
G
HIGH VOLTAGE
LOW VOLTAGE
S
C
R
BK
RD YL
Y
C
CADM
BL
YL
RD
BK
YL
LVJB
CONTROL BOX
RD
2
1
3
LAT
NOTE 3
BK
BK
SC
RD
BL
RD
YL
YL/PK
BL
BL
RD
RD
BKBK
BK
C
T1
L1
T2
L2
RCCF
F
C
HERM
YL
YL
YL
BR
RD
PU
YL
RD
YL/PK
YL/PK
LPS
YL
C
R
S
RD
BK
AUX
MAIN
COMP
IO
CM
AUX
MAIN
BK
(HIGH)
BR
PU
RD
(LOW)
SR
5
2
1
BK
YL
BL
EQUIPMENT GROUND
USE COPPER
CONDUCTORS ONLY
LAT
NOTE 3
BL/PK
HPS
BL/PK
BL/PK
YL/PK
CO
L
OR
CODE
BK --------------- BLACK
BL --------------- BLUE
BL/PK ---------- BLUE/PINK STRIPE
BR --------------- BROW N
OR --------------- ORANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/PK ---------- YELLOW/PINK STRIPE
HPS
0140R00168-B
NOTES:
1) TO INDOOR UNIT LOW VOLTAGE TERMINAL BLOCK
& INDOOR THERMOSTAT.
2) START ASSIST FACTORY EQUIPPED WHEN
REQUIRED.
3) LAT POSITION SHOWN FOR HIGH AMBIENT
TEMPERATURE.
RD
SA
(IF USED)
NOTE 2