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Service
This manual is to be used by qualified appliance
technicians only. Maytag does not assume any
responsibility for property damage or personal
injury for improper service procedures done by
an unqualified person.
Compact
Top Mount
Refrigerators
This Base Manual covers general information
Refer to individual Technical Sheet
for information on specific models
This manual includes, but is
not limited to the following:
Maytag
PCF1700ACW
PCF2700ACW
PCF4400ACW
PCF8200ACW
16023030
May 2004
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Table of Contents
Related Manuals for Maytag PCF2700ACW
Summary of Contents for Maytag PCF2700ACW
- Page 1 Service This manual is to be used by qualified appliance technicians only. Maytag does not assume any This Base Manual covers general information responsibility for property damage or personal injury for improper service procedures done by Refer to individual Technical Sheet an unqualified person.
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Page 2: Important Information
Important Notices for Servicers and Consumers Maytag will not be responsible for personal injury or property damage from improper service procedures. Pride and workmanship go into every product to provide our customers with quality products. It is possible, however, that during its lifetime a product may require service. -
Page 3: Table Of Contents
HFC134a Service Information ........15 Health, Safety, and Handling ........15 Comparison of CFC12 and HFC134a Properties ..15 Replacement Service Compressor ........ 16 Compressor Testing Procedures ......16 Brazing ................ 16 Troubleshooting Chart..........17 16023030 Rev. 0 ©2004 Maytag Services... -
Page 4: Component Testing
• If compressor does not run when wired direct after recovery, replace faulty compressor. 16023030 Rev. 0 ©2004 Maytag Services... - Page 5 From condenser the refrigerant flows into a post condenser loop which helps control exterior condensation on flange, center mullion, and around freezer door. Refrigerant the flows through the drier to evaporator and into compressor through suction line. 16023030 Rev. 0 ©2004 Maytag Services...
- Page 6 Check resistant across terminals. light, completes circuit for light when door is Switch button depressed open and completes a circuit for “NO” terminals Open evaporator fan when door is closed. Switch button not depressed “NC” terminals Closed 16023030 Rev. 0 ©2004 Maytag Services...
- Page 7 Do not use high pressure compressed gases in refrigeration systems Refrigerant gas is pulled through suction without a reliable pressure regulator and pressure relief valve in the line by compressor, completing lines. refrigeration cycle. 16023030 Rev. 0 ©2004 Maytag Services...
- Page 8 Opens and breaks circuit After defrost thermostat opens, thermostat remains open until end of defrost cycle when thermostat senses preset high and refrigerator starts cooling again. Defrost thermostat senses a preset low temperature. temperature and resets (closes). 16023030 Rev. 0 ©2004 Maytag Services...
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Page 9: Service Procedures
• Dry nitrogen 99.5% minimum purity, with -40°F or lower dew point • Crimp tool • Tube bender • Micron vacuum gauge • Process tube adaptor kit • Heat trap paste • ICI appliance grade HFC134a 16023030 Rev. 0 ©2004 Maytag Services... -
Page 10: Refrigerant Precautions
If motor does not run when wired direct after recovery, on compressor. replace faulty compressor. • Start lead on test cord attaches to S terminal on compressor. • Run lead on test cord attaches to M terminal on compressor. 16023030 Rev. 0 ©2004 Maytag Services... -
Page 11: Dehydrating Sealed Refrigeration System
1. Stop unit operation (turn refrigerator off). 2. Holding leak detector exploring tube as close to system tubing as possible, check all piping, joints, and fittings. NOTE: Use soap suds on areas leak detector cannot reach or reliably test. 16023030 Rev. 0 ©2004 Maytag Services... -
Page 12: Restrictions
(if restriction is severe, frost may form at point of restriction and extend down in direction of refrigerant flow in system). Go to step 5. 16023030 Rev. 0 ©2004 Maytag Services... -
Page 13: Evacuation And Charging
Invert charging cylinder and open charging cylinder valve “F” to add partial charge for leak checking. With leak detector, check manifold connections and system for leaks. After locating leak, capture refrigerant, repair leak, and begin at step 1. 16023030 Rev. 0 ©2004 Maytag Services... -
Page 14: Charging
7. Pinch-off compressor process tube and remove charging hose. Braze stub closed while compressor is operating. 8. Disconnect power. Remove charging hose and braze high side drier process tube closed. 9. Recheck for refrigerant leaks. 16023030 Rev. 0 ©2004 Maytag Services... -
Page 15: Hfc134A Service Information
# R0157532, when flaring, High-side system operating HFC134a approximately 3 psig swagging, or cutting refrigeration tubing. Pressure at 65°F (18°C) higher than CFC12 Low-side system operating HFC134a approximately 2 psig Pressure at 65°F (18°C) lower than CFC12 16023030 Rev. 0 ©2004 Maytag Services... -
Page 16: Replacement Service Compressor
• Suction and head pressures are listed on “Temperature and Relationship Chart”. Normally these are not required for diagnosis but used for confirmation on systems which have been opened. 16023030 Rev. 0 ©2004 Maytag Services... -
Page 17: Troubleshooting Chart
Replace if faulty. Turn control knob to colder position. Interior light remains on Check switch. Replace if necessary. Faulty condenser fan or evaporator Check fan and wiring. Replace if necessary. Faulty compressor Replace compressor. 16023030 Rev. 0 ©2004 Maytag Services... - Page 18 Mounting hardware grommets if necessary. loose or missing Free or loose parts causing or Inspect unit for parts that may have allowing noise during operation worked free or loose or missing screws. Repair as required. 16023030 Rev. 0 ©2004 Maytag Services...
- Page 19 Faulty fan motor Check fan motor. Replace if failed. Restricted air flow Check condenser and grille for dirt. Clean. Refrigerant shortage or restriction Check for leak or restriction. Repair, evacuate and recharge system. 16023030 Rev. 0 ©2004 Maytag Services...
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Page 20: System Diagnosis
- and the head pressure gauge will be higher than normal. It will probably continue to become higher because air drawn in through the leak is compressed by the compressor and accumulates in 16023030 Rev. 0 ©2004 Maytag Services... - Page 21 Do not attempt to purge off the air compressor and the first half of the condenser. because this could result in the system being undercharged. It is best to discharge, replace drier, evacuate and recharge with the specified refrigerant charge. 16023030 Rev. 0 ©2004 Maytag Services...
- Page 22 Compartment temperatures, power consumption, discharge, and suction pressures are all affected by heat load. Pressures will be higher than normal under heavy heat load. 16023030 Rev. 0 ©2004 Maytag Services...
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Page 23: Disassembly Procedures
4. Cold control assembly will drop down when released. 5. Remove Knob by pulling off shaft. 6. Disconnect wires from cold control. 7. Release cold control capillary from retainers. 8. Remove screws fom control to remove. 9. Reverse procedure to reassemble. 16023030 Rev. 0 ©2004 Maytag Services... -
Page 24: Evaporator Removal (8.2 Cubic Models)
1. Remove machine compartment cover. 2. Using fingers and standard screwdriver, press and pry bale strap off the overload/relay assembly 3. Disconnect wires from overload/relay assembly. Reference wire location. 4. Unplug overload/relay assembly from compressor. 16023030 Rev. 0 ©2004 Maytag Services...
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