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
PRODUCT IDENTIFICATION
46
Model/Rev Description
AWUF****1AA Initial release of 13 SEER Dayton wall mount air handlers.
AWUF****16AA
Initial release 13 SEER Dayton wall mount air handlers suitable for use with R-22 and R-
410A refrigerant.
AWUF3005-101AA Introduces 13 SEER Dayton wall mount air handlers using a Burr Oak Louvered Fin coil.
AWUF****1BA Replaced wave fin design with new louvered fin design.
AWUF370**16AA Initial release of AWUF37 Air Handlers for use with R-22 and R410A.
AWUF****16BA
Replaced wave fin design with new louvered fin design. Replaced copper tube hairpins with
aluminum hairpins.
AWUF180316BA
AWUF240316BA
AWUF300316BA
Initial release of AWUF 3KW Heater air handlers.
AWUF310[5/8]16AA
AWUF321016AA
Initial release of higher 14 SEER AWUF series air-handlers
AWUF300[3-10]16BB
AWUF360[5-10]16BB
18 x 20 x 1 filter replaced the 16 x 20 x 1 filter.
AWUF18F[3-8]16AA
AWUF24F[1/8]16AA
AWUF30F*16AA
AWUF31F[5/8]16AA
AWUF32F116AA
AWUF36F*16AA
AWUF37F[1/5/8]16AA
Initial release of R-401A air handlers with factory-installed float switch and a drain pan water
sensor switch.
AWUF180[3-8]16BB
AWUF240[3-10]16BB
AWUF300[5-10]16BC
AWUF310[5-10]16AB
AWUF360[5-10]16BC
AWUF370[5-10]6BB
UL1995 heater change to remove sequencer and replace a contactor.
AWUF190*16AA
AWUF250*16AA
AWUF251*16AA
Matchup to meet the new 14 SEER min efficiency levels. Uses a 4 row coil and an EEM
Motor (X13 style) to achieve higher efficiency. Initial release.
AWUF
A SINGLE PIECE AIR HANDLER WALL MOUNT PSC MOTOR UNPAINTED FLOWRATOR
*AWUF Continued on the next page