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.
117
AWUF190[316,516,816]AC, AWUF250[316,516,816]AC
NOTES:
1. REDWIRETOBEONTRANSFORMER
TERMINAL "3"FOR 230VOLTS ANDON
TERMINAL "2"FOR 208VOLTS.
2. CONFIRMSPEED TAPSELECTEDIS
APPROPRIATEFOR APPLICATION. IF SPEED
TAPS NEEDSTOBECHANGED,CONNECT
APPROPRIATEWIRE FROMMOTOR TO
"Y"FROMTHERMOSTAT/CONDENSER(SEETABLE-1).
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
PK -PINK
5. WIRING CODE:
FACTORYWIRING:
HIGH VOLTAGE
LOWVOLTAGE
FIELDWIRING:
HIGH VOLTAGE
6. COMPONENTCODE:
C- CONTACTOR
DISC -DISCONNECTSWITCH
EM -EVAPORATERMOTOR
F- FUSE
HTR- HEATER ELEMENT
R- RELAY
SEQ- SEQUENCER
TL -THERMAL LIMIT
TR -TRANSFORMER
7. FORUNITS USING3KW AND5KW HEATERS,
WHITEWIREWILLBECONNECTED TO
TERMINAL 4.
BTUh
PURPLE 18000
PINK 24000
RD
PK
PK
GR
PU
PU
WH
F
123
54
24V
12345
CL GN
EM
TABLE-1
MOTORCONNECTIONS
ONLY ONEWILL BE CONNECTED
(SEENOTE2)
UNUSED WIRESMUSTHAVE THEIR ENDS TAPE DOR
CAPPED
WIRE COLOR
01 40A005 44-A
SEE NOTE #3
240V
TR
HTR1
HTR2*
TL1
TL2*
DISC
FIELD CONNECTIONS
SEE NOTE 2
USE N.E.C CLASS2WIRE
SEENOTE1
C
L1
L2
T1
T2
BL
BR
WH
BK
RD
BK
BL
WH
WH
RD
RD
BL
RD
BK
BR
BK
BK
BK
BK
RD
RD
RD
RD
GR/YL
BL
BL
BL
BK
GR
RD
BK
BK
BK
BK
BK
RD
RD
RD
OPTIONAL
CONNECTION
SEENOTE7
L2
RD
L1
BK