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
37
Model/Rev Description
ASX140**1AA
Initial release of models of Amana
®
Brand Deluxe 14 SEER AC R410A conditioners.
ASX140**1AB Screw locations moved in the top panel, base pans, louvers, and control box covers.
ASX140**1AC Horizontal style louvers.
ASX14018-361AD Revised condenser coils by removing (1) hairpin. R410A quantity reduced by 6 ounces.
ASX140421AD Initial release of model ASX140421A in 29" base pan
ASX140421BA
29" platform. Unit charge reduced from 180 oz. to 170 oz. 1/4 hp outdoor unit motor
replaced with 1/6 hp motor.
ASX14018-361BA
ASX140[42-48]1CA
1.5 - 3.5 ton condenser coil tubes converted from 3/8" tube diameter to 5mm tube
diameter.
ASX140[18-30]1BA
ASX140[42-48]1CA
Initial release of models using SmartCoil® coils.
ASX140[18-36]1CB
ASX140421DB
ASX140601BB
Low pressure switch relocated from liquid line to suction line as a compressor safeguard
to prevent low pressure from entering.
ASX140[24-36]1CC
ASX140421DC
ASX140481CB
ASX140601BC
Initial release of models with single speed PSC motors; Does not contain a low pressure
switch, low ambient temperature switch and relay.
ASX140181DB
ASX140[24-36]1CD
ASX140421DD
ASX140481CC
ASX140601BD
Low pressure switch added.
ASX140181DD
ASX140[24-48]1CE
ASX140421DE
ASX140601BE
Design improvement.
ASX140181DA Initial release of models with new 266 fan motor; Low pressure switch removed.
ASX140[18-19, 24-25]1KA
ASX140[30-31, 36-37]1KA
ASX140[42, 48, 60]1KA
Initial release of 5mm architecture with updated scroll compressors.
ASX140241KB 1/8 hp fan motor replaced 1/12 hp fan motor.
ASX140241LA ASX140251LA
Changed compressor from K5 to K6, Changed coil slab from 25" tall to 30" tall, Changed
louvers from 24" tall to 29" tall
ASX14
AMANA® BRAND SPLIT X-CONDENSERS 14 SEER
*ASX14 Continued on the next page