Amana ASZC16 - User Manual

Service and Troubleshooting
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RS6200007r25
April 2021
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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
©2020-2021 Goodman Manufacturing Company, L.P.
Brand
®
is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved.
TABLE OF CONTENTS
IMPORTANT INFORMATION ............................................ 2
PRODUCT INFORMATION ............................................... 4
SYSTEM OPERATION .................................................... 18
SERVICING ..................................................................... 26
CHECKING VOLTAGE ............................................... 26
CHECKING WIRING .................................................. 26
COMFORTBRIDGE™ TECHNOLOGY AIR
HANDLER (B*) ............................................................ 26
CHECKING TRANSFORMER AND
CONTROL CIRCUIT .................................................... 32
CHECKING TIME DELAY RELAY .............................. 32
CHECKING UNITARY (UC) CONTROL
COMPRESSOR ........................................................... 32
CHECKING HIGH AND LOW VOLTAGE TO
ECM MOTOR .............................................................. 33
COPELAND COMFORT ALERT™ - UNITARY (UC)
CONTROL DIAGNOSTICS APPLIES TO ASXC, ASZC,
AND DSZC 2-STAGE MODELS ................................ 34
CHECKING HIGH PRESSURE CONTROL ............... 34
CHECKING LOW PRESSURE CONTROL ................ 34
CHECKING HIGH AND LOW PRESSURE SWITCH
VOLTAGE .................................................................... 35
CHECKING CAPACITOR ............................................ 35
RESISTANCE CHECK USING A DIGITAL
MULTI-METER ............................................................ 35
CAPACITANCE CHECK USING A DIGITAL
MULTI-METER (IN CAPACITANCE MODE) ............... 35
TESTING A RUN CAPACITOR UNDER LOAD ........... 36
CHECKING EMERSON ULTRATECH™
ECM MOTORS ............................................................ 36
CHECKING COMPRESSOR ....................................... 39
RESISTANCE TEST .................................................. 39
GROUND TEST .......................................................... 40
For service information related to the Bluetooth® Shared
Data Loader BTSDL01 referenced in this manual, please
refer to the installation instructions for the BTSDL01 at
www.coolcloudhvac.com/loaderuserguide.

Summary

IMPORTANT INFORMATION

Safe Refrigerant Handling

General guidelines for safe handling of refrigerants, covering potential hazards.

PRODUCT IDENTIFICATION

Condensing Unit Model Decoding

Explains model coding for ASXC, GSXC, DSXC, ASZC condensing units.

Air Handler and Coil Model Decoding

Details model coding for AVPTC, MBVC air handlers and various coil types.

SYSTEM OPERATION

Communicating System Operation

Describes system communication, airflow management, and thermostat interaction.

Cooling and Heating Cycle Explanation

Explains refrigeration cycles for cooling and heating operations.

Reversing Valve Functionality

Details the reversing valve's role and troubleshooting electrical/mechanical issues.

Operational Sequence Breakdown

Outlines step-by-step operational sequences for cooling, heating, and fan modes.

SERVICING AND TROUBLESHOOTING

Electrical System Diagnostics

Procedures for checking voltage, wiring, transformers, and electrical components.

Control System Diagnostic Codes

Explains using diagnostic codes and LED indicators for troubleshooting.

Compressor Troubleshooting Procedures

Methods for checking compressor resistance, ground, locked rotor, and efficiency.

Refrigerant System Service Procedures

Covers leak testing, evacuation, charging, and superheat/subcooling adjustments.

Amana ASZC16 Specifications

General

Type	Heat Pump
SEER Rating	16
Compressor Type	Scroll
Refrigerant	R-410A
Cooling Stages	1
Number of Stages	1
Operating Voltage (VAC)	208/230
Phase	1
Heating Capacity (BTU/h)	18000-60000