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.
118
AWUF370[516,816]BD, AWUF371016BE
0140A00545-A
F
123
54
24V
12 34 5
CL GN
EM
DISC
FIELDCONNECTIONS
SEE NOTE 3
USEN.E.C CLASS 2WIRE
SPEEDTAPS FROMMOTOR
SEE NOTE 2
SEE NOTE 3
HTR2*
HTR1
TL1
TL2*
240V
TR
NOTES:
1. REDWIRETOBEONTRANSFORMER
TERMINAL "3"FOR 230VOLTS ANDON
TERMINAL "2"FOR 208VOLTS.
2. SEE COMPOSITEWIRINGDIAGRAMSIN
INSTALLATION INSTRUCTIONS FORPROPER
LOWVOLTAGE WIRING CONNECTIONS.
3. ASTERISK (*)INDICATES THAT HEATING
ELEMENT, THERMALLIMIT,RELAY AND
INTERCONNECTINGWIRES ANDJUMPERS
OF HEATER #2 AREDELETED WITH SINGLE
ELEMENTUNITS.
4. COLORCODES:
BK -BLACK
BL -BLUE
BR -BROWN
GR -GREEN
PU -PURPLE
RD -RED
WH -WHITE
YL -YELLOW
5. WIRINGCODE:
FACTORYWIRING
HIGH VOLTAGE
LOWVOLTAGE
FIELD WIRING
HIGH VOLTAGE
LOWVOLTAGE SEE NOTE 2
6. COMPONENTCODE:
C- CONTACTOR
DISC -DISCONNECTSWITCH
EM - EVAP ORATER MOTOR
F- FUSE
HTR- HEATER ELEMENT
R- RELAY
SEQ- SEQUENCER
TL - THERMAL LIMIT
TR -TRANSFORMER
SEE NOTE 1
C
L1
L2
T1
T2
RD
GR
BL
BR
PK
WH
PU YL
BK
BK
RD
BK
BK
BL
WH
WH
RD
RD
BL
RD
BK
BR
BK
BK
BK
RD
RD
RD
RD
RD
BK
GR/YL
BL
BL
PK
GR
PU
YL
WH
BL
BK
BK
RD
RD
RD
RD
RD
BL
L2
RD
L1
BK