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.
121
AWUF37[05/08/10]16BB
0140A00275-A
F
123
54
24V
12345
CL GN
EM
DISC
FIELD CONNECTIONS
SEE NOTE 3
USE N. E.C CLASS 2WIRE
SPEEDTAPS FROM MOTOR
SEE NOTE 2
SEE NOTE 4
HTR 2*
HTR 1
TL1
TL2*
240V
TR
NOTES:
1. RED WIRE TO BE ON TRANSF ORMER
TERMINAL "3" FOR 230 VOLTS AND ON
TERMINAL "2" FOR 208 VOLTS.
2. CONFIRM SPEEDTAP SELECTED IS
APPROPRIAT E FORAPPLICATION.IFSPEED
TAPS NEEDS TO BE CHANGED, CONNECT
APPROPRIAT EWIRE FROM MOTORTO
TERMINAL "4" ON RELAY.
3. SEE COMPOSITEWIRING DIAGRAMS IN
INSTALLATION INSTRUCTIONS FOR PROPER
LOWVOLTAGE WIRING CONNECTIONS.
4. ASTERISK (*) INDICATESTHAT HEATING
ELEMENT, THERMALLIMIT, RELAY AND
INTERCONNECTINGWIRES ANDJUMPERS
OF HEATER #2 ARE DELETEDWITHSINGLE
ELEMENT UNITS.
5. COLOR CODES:
BK -BLACK
BL - BLUE
BR - BROWN
GR -GREEN
PU - PURPLE
RD -RED
WH -WHITE
YL -YELLOW
6. WIRING CODE:
FACTORYWIRING
HIGH VOLTAGE
LOWVOLTAGE
FIELDWIRING
HIGH VOLTAGE
LOWVOLTAGE SEE NOTE 3
7. COMPONENT CODE:
C - CONTACTOR
DISC -DISCONNECT SWITCH
EM -EVAPORATER MOTOR
F-
FUSE
HTR - HEATER ELEMENT
R -RELAY
SEQ -SEQUE NCER
TL - THERMAL LIMIT
TR - TRANSFORMER
SEE NOTE 1
C
L1
L2
T1
T2
R
RD
GR
BL
BR
BR
OR
WH
WH 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
GR/YL
BL
BL
BL
BR
OR
WH
WH
PU
PU
YL
BL
RD
RD
BL
13
52
R
4
BK
BK
RD
RD
RD
RD