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Goodman ComfortNet DSXC18**1AA Series User Manual

Goodman ComfortNet DSXC18**1AA Series
108 pages
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RS6200007r14
December 2017
This manual is to be used by qualified, 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 unqualified person.
Copyright © 2015-2017 Goodman Manufacturing Company, L.P.
ComfortNet
ASXC, DSXC, and GSXC Condensing Units,
ASZC, DSZC and GSZC
Split System Heat Pumps
with R-410A Refrigerant
Blowers, Coils, & Accessories
Service Instructions
is a registered trademark of Maytag Corporation or its related companies and is used under license to Goodman Company, L.P., Houston, TX. All rights reserved.

Table of Contents

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Goodman ComfortNet DSXC18**1AA Series Specifications

General IconGeneral
TypeHeat Pump
RefrigerantR-410A
Energy Star CertifiedYes
Stages2
HSPF Rating10
Compressor TypeTwo-Stage
Smart Home CompatibilityComfortNet™ communicating system compatible
Cooling Capacity (BTU/h)18, 000
Heating Capacity (BTU/h)18, 000
Warranty10-year limited parts warranty

Summary

Service Instructions

ComfortNet™ Product Scope

Identifies product lines covered by the manual.

Troubleshooting Chart

Cooling/HP Analysis Guide

Provides a chart for diagnosing cooling and heat pump issues.

Servicing

Voltage and Wiring Checks

Outlines procedures for checking system voltage and wiring.

Thermostat and System Communication

Explains ComfortNet system setup and thermostat interaction.

Diagnostics and Network Troubleshooting

Covers system diagnostics, advanced features, and network issues.

Air Handler Diagnostic Codes

Details error codes and troubleshooting for air handler control modules.

Copeland Comfort Alert™ Diagnostics

Covers diagnostics for the UC control and Comfort Alert system.

Unitary Diagnostic Codes

Lists diagnostic codes for unitary systems and their meanings.

ECM CFM Adjustments and Dip Switch Settings

Describes how to adjust ECM motor CFM and set dip switches.

Compressor Testing Procedures

Provides methods for checking compressor integrity and operation.

Cooling and Heating Operation Sequences

Explains the sequence of operation for cooling and heating modes.

Compressor Burnout and Refrigerant Piping

Covers compressor burnout troubleshooting and refrigerant piping.

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