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
SERVICING
79
Dipswitch Functions
The MBE / AEPF air handler motors have an electronic
control that contains an eight (8) position dip switch. The
function of these dipswitches are shown in .
Dipswitch
Number
1
2
3 N/A
4 Indoor Thermostat
5 Cooling & Heat
6 Pump CFM
7
8
Function
Electric Heat
CFM Trim Adjust
Dipswitch Functions
CFM Delivery
and 6 show the CFM output for dipswitch
combinations 1-2, and 5-6.
Model Switch 1 Switch 2 CFM
OFF
OFF
1,200
ON
OFF
1,000
OFF
ON
800
ON ON 600
OFF
OFF
1,600
ON
OFF
1,400
OFF
ON
1,200
ON ON 1,000
OFF
OFF
2,000
ON OFF 1,800
OFF ON 1,600
ON ON 1,200
MBE1200
MBE1600
MBE2000
Electric Heat Operation
Model Switch 5 Switch 6 CFM
OFF
OFF
1,200
ON
OFF
1,000
OFF
ON
800
ON ON
600
OFF
OFF
1,600
ON
OFF
1,400
OFF
ON
1,200
ON ON
1,000
OFF
OFF
2,000
ON
OFF
1,800
OFF
ON
1,600
ON ON
1,200
MBE1200
MBE1600
MBE2000
Cooling/Heat Pump Operation
During Fan Only Operations, the CFM output is 30% of the
cooling setting.
Dipswitch Functions
The AEPF air handler motor has an electronic control that
contains an eight (8) position dip switch. The function of
these dipswitches are shown in .
Function
1
2
3 N/A
4 Indoor Thermostat
5
6
7
8
Electric Heat
Cooling & Heat Pump CFM
CFM Trim Adjust