Maytag Amana PMH Series User Manual

Service and Troubleshooting
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©2014-2018, 2020 Goodman Company, L.P.
This manual is to be used by qualied, professionally
trained HVAC technicians only. Goodman does not assume
any responsibility for property damage or personal injury
due to improper service procedures or services performed
by an unqualied person.
RS4200005r14
June 2020
TABLE OF CONTENTS
IMPORTANT INFORMATION . . . . . . . . . . . . . . . . . . . . 2
PRODUCT IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . 3
SYSTEM OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . 12
SCHEDULED MAINTENANCE . . . . . . . . . . . . . . . . . . . . 27
SERVICING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
CHECKING VOLTAGE .......................39
CHECKING THERMOSTAT AND WIRING .......39
HEATER ASSEMBLY ........................40
DRAIN PAN VALVE (HEAT PUMP MODELS ONLY)
..........................................41
CAPACITOR CHECK ........................41
CHECKING FAN AND MOTOR BLOWER WINDINGS
..........................................42
COMPRESSOR WINDINGS ..................43
OVERLOAD ................................44
CHECKING COMPRESSOR EFFICIENCY ......44
FILTER DRIER REPLACEMENT ...............44
REVERSING VALVE .........................45
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
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.
Products should be serviced only by a qualied service
technician who is familiar with the safety procedures
required in the repair and who is equipped with the proper
tools, parts, testing instruments and the appropriate service
manual. 
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® is a registered trademark of Maytag Corporation or its related companies and is used under license to
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Maytag Amana PMH Series Specifications

General

Brand	Maytag
Model	Amana PMH Series
Category	Air Conditioner
Language	English

Summary

IMPORTANT INFORMATION

RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS

Understand safety symbols, words, and labels for safe operation.

HIGH VOLTAGE SAFETY

Critical warnings and precautions regarding high voltage hazards during service.

SAFE REFRIGERANT HANDLING

PRODUCT IDENTIFICATION

SYSTEM OPERATION

VOLTAGE REQUIREMENTS AND SEQUENCE

Understanding voltage ranges and basic unit operation sequences for cooling and heating.

USER INTERFACE AND CONTROLS

WIRELESS AND SENSOR INSTALLATION

CONFIGURATION SETTINGS AND BINDING

Procedures for configuring room numbers, binding RF devices, and setting parameters.

SETBACK TEMPERATURES AND TIMES

SCHEDULED MAINTENANCE

MONTHLY MAINTENANCE AND CLEANING

YEARLY MAINTENANCE AND CLEANING

BASEPAN AND CONDENSER COIL CLEANING

SERVICING

REFRIGERATION SYSTEM SERVICE PROCEDURES

Essential steps for servicing sealed refrigeration systems, including equipment needs.

DEHYDRATING AND EVACUATING THE SYSTEM

Critical process for removing moisture and non-condensables from the system.

LEAK TESTING AND BRAZING

Methods for detecting refrigerant leaks and proper brazing techniques.

EVACUATION AND CHARGING

Procedures for evacuating the system to a vacuum and charging with refrigerant.

PERFORMANCE TESTING

Steps for conducting cooling and heating performance tests using thermometers.

DIGITAL BOARD DIAGNOSTICS

Interpreting diagnostic codes and status reports indicated by the unit's digital board.

TROUBLESHOOTING COMPLAINTS

A guide linking common complaints to possible causes and remedies.

COMPONENT CHECKS AND REPLACEMENT

COMPRESSOR SERVICE

Testing compressor windings, ground, and efficiency.

FILTER DRIER REPLACEMENT

REVERSING VALVE SERVICE

WIRING DIAGRAMS

WIRING DIAGRAM LEGEND AND NOTES

REMOTE THERMOSTAT OPERATION DIAGRAM