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.
157
VSX130181B*/D*
COMP
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)
CH
C
F
M
A
I
N
A
U
X
C
C
BL
Y
C
LVJB
COLOR CODE
BK --------------- BLACK
BL --------------- BLUE
BR --------------- BROWN
PU --------------- PURPLE
RD --------------- RED
YL --------------- YELLOW
CONTROL BOX
COMPONENT CODE
C --------------- CONTACTOR
CM ------------ OUTDOOR FAN MOTOR
COMP -------- COMPRESSOR
IO -------------- INTERNAL OVERLOAD
XOB NOITCNUJBJVL
RCCF
--------- RUN CAPA CITOR FOR COMPRESSOR & FAN
SC
------------- START CAPACITOR FOR COMPRESSOR (OPTIONAL)
S
R
-------------
IO
CM
Y
YL
YL
C
R
S
RD
BK
AUX
MAIN
COMP
SC
RD BL
RCCF
F
C
HERM
YL
YL
YL
BR
RD
PU
YL
RD
SR
5
2
1
BK
YL
BL
RD
YL
BL
RD
RD
BKBK
BK
C
T1
L1
T2
L2
RD
(IF USED)
EQUIPMENT GROUND
T1
L1
T2
L2
PU
BR
BK
MAIN
AUX
CM
IO
GR/YL------------- GREEN / YELLOW
OT ------------- OUTDOOR THERMOSTAT
CH ------------- CRANKCASE HEATER
NOTE 1
WH -------------- WHITE
WIRING CODE
FACTORYWIRING
HIGH VOLTAGE
LOWVOLTAGE
OPTIONAL HIGH VOLTAGE
FIELDWIRING
LOWVOLTAGE
HIGH VOLTAGE
---------- LOW
VOLTAGE
SA ------------- START ASSIST
CONTROLS SHOWN WI TH TH ERMOSTAT IN 'OFF'POSITION.
START RELAY FOR COMPRESSOR
(OPTIONAL)
0140R00165-B
USE N.E.C. CL ASS 2 WIRE
ALTERNATE DOUBLE
POLE CONTACTOR
OUTD OOR POWERSUPPLY
SEE RATING PLATE
POLE CONTACTORONLY
ALTERNATEDOUBLE
SA
NOTE 2
NOTE 4
CHS
CH
NOTE 3
NOTES:
1) TO INDOOR UNIT LOW VOLTAGE
TERMINAL BLOCK & INDOOR THERMOSTAT.
2) START ASSIST FA CTORY
EQUIPPED WHEN REQUIRED.
3) CRANKCASE HEAT ER & CRANKCASE HEAT ER
SWITCH ARE FACTORY INSTALLED OPTION.
4) USE COPPER CONDUCTOR ONLY.
GR
RD
BK
RD
BK
CHS ----------- CRANKCASE HEATER SWITCH
IO
BK
RD
CHS
CH
NOTE 3