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Goodman ComfortNet DSZC160481AC User Manual

Goodman ComfortNet DSZC160481AC
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 DSZC160481AC Specifications

General IconGeneral
TypeHeat Pump
Cooling Capacity (BTU)48000
Cooling Capacity (Ton)4
SEER Rating16
HSPF Rating9.5
RefrigerantR-410A
Compressor TypeTwo-Stage Scroll
Noise Level74 dB
Stages2
Voltage208/230 V
Heating Capacity (BTU/h)48000
Phase1

Summary

Important Information and Safety

Recognize Safety Symbols, Words and Labels

Guidance on identifying and understanding safety symbols, words, and labels.

Safe Refrigerant Handling

Essential guidelines for handling refrigerants safely to prevent injury and environmental harm.

Product Identification

ASXC, DSXC, GSXC Condensing Units

Model identification codes for Amana and Goodman brand condensing units.

ASZC, DSZC, GSZC Heat Pumps

Model identification codes for Amana and Goodman split system heat pumps.

MBVC Modular Blower Air Handler

Identification codes and specifications for MBVC modular blower air handlers.

System Operation

Defrost Cycle - ComfortNet™ Models

How the defrost cycle is controlled and initiated in ComfortNet systems.

Cooling Cycle

Explanation of the refrigeration cycle during cooling operation.

Heating Cycle

Explanation of the refrigeration cycle during heating operation.

Troubleshooting

Troubleshooting Chart

A guide to diagnosing common cooling and heat pump system problems.

Unitary Diagnostic Codes

Codes indicating system faults for ComfortNet units, with possible causes and actions.

Servicing Procedures

S-1 Checking Voltage

Steps to measure voltage at various points in the system for diagnostics.

S-17 Checking Compressor

Procedures for testing compressor windings, ground faults, and operation.

S-102 Evacuation

Proper method for evacuating air and moisture from the system.

S-108 Superheat

How to check and adjust superheat for proper system operation.

Accessories and Wiring Diagrams

Accessories Wiring Diagrams

Wiring diagrams for various heat kits and accessories.

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