Goodman ComfortNet GSXC180481BB User Manual

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.

Goodman ComfortNet GSXC180481BB Specifications

General

Brand	Goodman
Model	ComfortNet GSXC180481BB
Category	Heat Pump
Language	English

Summary

Safe Refrigerant Handling

Refrigerant Safety Precautions

Essential safety guidelines for handling refrigerants, including ventilation and protective gear.

EPA Regulations and Cylinder Safety

Product Identification

Condensing Units and Heat Pumps

Details on identifying ASXC, DSXC, GSXC units and ASZC, DSZC, GSZC heat pumps.

Modular Blowers and Air Handlers

Information on identifying MBVC blowers and AVPTC air handlers and their specifications.

Product Design

Condensing Unit Components

Description of condensing unit components like compressors and coils.

Scroll Compressor Technology

Explanation of "Ultratech" and "Compliant Scroll" compressor designs.

System Operation

Cooling and Heating Cycles

Explanation of the cooling and heating cycles, including refrigerant flow.

Defrost Cycle Operation

Troubleshooting Guide

Cooling/Heat Pump Analysis Chart

Chart correlating symptoms with possible causes and remedies for cooling/HP issues.

Servicing - Electrical Checks

Voltage and Wiring Checks

Procedures for checking system voltage and wiring integrity.

ComfortNet™ Thermostat System

Servicing - Component Checks

Copeland ComfortAlert™ Diagnostics

Unitary (UC) Control Diagnostics

How to interpret diagnostic tables for UC control using LED indicators.

Unitary Diagnostic Codes

Fault Codes: Low Side and High Side

Classification of fault codes related to low refrigerant charge and high head pressure.

Fault Codes: Compressor Issues

Component Testing Procedures

Pressure Controls and Capacitors

ECM Motor and Dipswitch Adjustments

ECM Motor CFM Adjustments

Dipswitch Functions Overview

Compressor and System Component Servicing

Compressor Integrity Checks

Procedures for checking compressor windings, ground faults, and potential issues.

Unloader, Crankcase Heater, and Reversing Valve Tests

System Charging and Leak Testing

Leak Testing and Evacuation Procedures

Refrigerant Charging Process

System Performance Analysis

Compressor Efficiency and Expansion Valve Issues