Maytag ATB1821AR series User Manual

©2005 Maytag Services 3 16025860
Table of Contents
Important Information ................................................. 2
Model Identification.................................................... 4
Component Testing
Compressor ............................................................ 5
Resistance Test ....................................................... 5
Ground Test............................................................. 5
Operation Test ......................................................... 5
Capacitor ................................................................. 6
Condenser............................................................... 6
Overload / Relay...................................................... 7
Temperature Control ............................................... 7
Ice Maker ................................................................ 7
Condenser Motor..................................................... 7
Evaporator Fan Motor ............................................. 7
Upper Freezer Light Switch ..................................... 8
Drier ........................................................................ 8
Defrost Timer .......................................................... 8
Evaporator............................................................... 9
Defrost Heater ......................................................... 9
Defrost Thermostat ................................................. 9
Service Procedures
Service Equipment ................................................ 10
Drier Replacement ................................................ 10
Refrigerant Precautions ............................................ 11
Line Piercing Valves .............................................. 11
Open Lines ............................................................ 11
Compressor Operational Test ................................ 11
Dehydrating Sealed Refrigeration System ............. 12
Leak Testing .......................................................... 12
Restrictions ........................................................... 13
Evacuation and Charging ......................................... 14
Evacuation ............................................................ 14
Charging................................................................ 15
Refrigerant Charge ................................................... 15
HFC134a Service Information .................................. 16
Health, Safety, and Handling ................................. 16
Comparison of CFC12 and HFC134a Properties .. 16
Replacement Service Compressor .......................... 17
Compressor Testing Procedures ........................... 17
Refrigerant Flow ....................................................... 18
Cabinet Air Flow ....................................................... 19
Troubleshooting Chart ......................................... 20-22
System Diagnosis
Symptoms of an Overcharge................................. 23
Symptoms of Refrigeration Shortage..................... 23
Symptoms of a Restriction .................................... 24
Symptoms of Air in System ................................... 24
Symptoms of Low or High Ambient ....................... 25
Temperature Installation ........................................ 25
Heat Load.............................................................. 25
Disassembly Procedures
Door Removal
Freezer Door ......................................................... 26
Fresh Food Door ................................................... 26
Refrigerator Compartment
Light Bulb .............................................................. 27
Light Bulb Assembly .............................................. 27
Defrost Timer ........................................................ 27
Light Switch ........................................................... 27
Cold Control .......................................................... 27
Freezer Compartment
Evaporator Cover .................................................. 27
Freezer Temperature Control ................................ 27
Evaporator Fan, Evaporator Motor ........................ 27
Defrost Terminator (Thermostat) ........................... 27
Defrost Heater ....................................................... 27
Evaporator Removal.............................................. 28
Bottom of Cabinet
Front Roller Assembly ........................................... 28
Rear Roller Assembly ............................................ 28
Condensate Drain Pan .......................................... 28
Machine Compartment
Condenser Fan & Fan Motor ................................. 28
Compressor .......................................................... 28
Overload/Relay/Capacitor...................................... 28
Condensate Drain Tube ........................................ 28
Condenser Removal.............................................. 28
Appendix A
Ice Maker Service Instructions ............................ A-2
Appendix B
Owners Manual ................................................... B-2

Maytag ATB1821AR series Specifications

General

Brand	Maytag
Model	ATB1821AR series
Category	Refrigerator
Language	English