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 Alertâ„¢ Diagnostics - 3-Wire module
- Copeland Coresenseâ„¢ 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
42
Model/Rev Description
ARUF172916AA
A24-00-2RCA
Introduction of new Air Handler Models with all aluminum evaporator coils. Conversion
includes coils, manifold, hairpin, flowrators, 3/8" return bend to 5/16" aluminum return
bends.
ARUF****16AA
Introduction of new 13 SEER Air Handler Models suitable for use with R-22 and R-410A
ARUF364216AB
ARUF486016AB
ARUF364216AC
Replaced current spot welded blower housing with cinched/crimped design used on the
80% furnace line.
ARUF****16BA
Replaced wavy fin with louver enhanced fin.
ARUF****16CA
Replaced existing air handler copper coils and other associated parts with aluminum
components.
ARUF***14AA
ARUF***14AA
ARUF***14AB
Initial release of the redesigned air handlers manufactured at the Houston furnace facility.
ARUF18B14AB
ARUF24B14BA
ARUF36C14BA
ARUF42C14AB
R-410A only. 2 & 3 ton coil replacement. 2 ton replaced w/3 row/16" tall; 3 ton replaced
with 18" tall coil. 3.5 ton model blower motor changes from 10X8 to 10X10.
ARUF24B14BB
Changed 16 Tall, 3 Row, 6 Cir Coil Assembly to 14 Tall, 3 Row , 6 Cir Coil Assembly.
ARUF24B14CA Initial release of model to meet AHRI requirements
ARUF30C14BA ARUF30B, 17.5 inch wide models converted to an ARUF30C, 21 inch wide model.
ARUF36C14BB
ARUF42C14AC
The aluminum models changes the RBs, COs, and coil slabs to 9mm braze joints.
ARUF36C14BC
ARUF30B14AC
ARUF30C14BB
ARUF42C14AD
ARUF[48-60]D14AC
Serial plate changes
ARUF[37,43,49]C14AA
Release ARUF series airhandlers for 7mm 14SEER HP's to meet 2015 DOE energy
efficiency level
ARUF[37,43,49]D14AA Initial Release. D53 Cabinet fir 7mm 14 SEER Heat Pumps.
ARUF[47,61]D14AA
Ready 2015 - Release ARUF series airhandlers for 7mm 14SEER HP's to meet 2015 DOE
energy efficiency level
ARUF[37,43,49]C14AB
ARUF[37,43,47,49,61]D14AB
Revisions because of New Heater kits released
ARUF[25,29,31,]B14AB
ARUF[37,43,49]C14AC
ARUF[37,43,47,49,61]D14AC
Air handler revisions due to using an upgraded (thicker with higher R value)
Quietflex wrapper insulation.
ARUF
A- SINGLE PIECE AIR HANDLER R-MULTI-POSITION PSC MOTOR UNPAINTED FLOWRATOR