Goodman CONDENSING UNIT HEAT PUMP - User Manual

I MPORTANT S AFETY I NSTRUCTIONS
The following symbols and labels are used throughout this
manual to indicate immediate or potential safety hazards. It is
the owner’s and installer’s responsibility to read and comply
with all safety information and instructions accompanying these
symbols. Failure to heed safety information increases the risk
of personal injury, property damage, and/or product damage.
HIGHVOL TAGE!
D ISCONNECT ALL POWER  BEFORE  SERVICING .
M
ULTIPLE  POWER  SOURCES  MAY  BE  PRESENT .F AILURE 
TO  DO  SO  MAY  CAUSE  PROPERTY  DAMAGE , PERSONAL 
INJURY  OR  DEATH .
WARNING
ONLY INDIVIDUALS  MEETING  THE  REQUIREMENTS  OF  AN “E NTRY L EVEL 
T
ECHNICIAN ” AS  SPECIFIED  BY  THE A IR 
C
ONDITIONING ,H EATING  AND R EFRIGERATION I NSTITUTE (AHRI) MAY 
USE  THIS  INFORMATION .A TTEMPTING  TO  INSTALL  OR  REPAIR  THIS  UNIT 
WITHOUT  SUCH  BACKGROU ND  MAY  RESULT  IN  PRODUCT  DAMAGE ,
PERSONAL  INJURY , OR  DEATH .
,
AT  A  MINIMUM ,
WARNING
S CROLL  EQUIPPED  UNITS  SHOULD  NEVER  BE  USED  TO  EVACUATE  THE  AIR 
CONDITIONING  SYSTEM .V ACUUMS  THIS  LOW  CAN  CAUSE  INTERNAL 
ELECT RICAL  ARCING  RESULTING  IN  A  DAMAGED  OR  FAILED 
COMPRESSOR .
CAUTION
IMPORTANT N OTE TO THE O WNER REGARDING P RODUCT
WARRANTY
Your warranty certificate is supplied as a separate document
with the unit installed by your contractor. Read the limited war-
ranty certificate carefully to determine what is and is not cov-
ered and keep the warranty certificate in a safe place. If you
are unable to locate the warranty certificate please contact
your installing contractor or contact customer service (877-
254-4729) to obtain a copy.
To receive the Lifetime Unit Replacement Limited Warranty
(good for as long as you own your home) and the 10-Year
Parts Limited Warranty for Amana
®
branded products, online
registration must be completed within 60 days of installation.
Online registration is not required in California or Quebec.
CONDENSING UNIT
HEAT PUMP
INSTALLATION & SERVICE REFERENCE
© 2009-2011 Goodman Manufacturing Company, L.P.
5151 San Felipe, Suite 500, Houston, TX 77056
www.goodmanmfg.com -or- www.amana-hac.com
P/N: IO-348E Date: September 2011
To receive the Lifetime Compressor Limited Warranty (good for
as long as you own your home), the 10-Year Unit Replacement
Limited Warranty, and the 10-Year Parts Limited Warranty for
Goodman
®
branded products, online registration must be com-
pleted within 60 days of installation. Online registration is not
required in California or Quebec.
Complete warranty details available from your local dealer or,
for Goodman
®
brand products, visit www.goodmanmfg.com,
and for Amana
®
brand products, visit www.amana-hac.com.
IMPORTANT: To register your Goodman
®
brand unit, go to
www.goodmanmfg.com and click “Warranty Registration”.
Complete registration as prompted.
To register your Amana
®
brand unit, go to www.amana-hac.com
and click “Warranty Registration”. Complete registration as
prompted.
IMPORTANT:
Product limited warranty certificates for models currently in
production can be viewed at www.goodmanmfg or www.amana-
hac.com. If your model is not currently in production or does
not appear on the website, please contact your installing con-
tractor or contact customer service (877-254-4729) to obtain a
copy of your warranty certificate.
Each product overview page contains a Product Warranty link;
by clicking on it you will be able to view the limited warranty
coverage for that specific product. To view warranty registration
information, click on the Product Warranty text on the left navi-
gation panel on the home page of each website. The Online
Product Registration pages are located in this same section.
S HIPPING I NSPECTION
Always keep the unit upright; laying the unit on its side or top
may cause equipment damage. Shipping damage, and subse-
quent investigation is the responsibility of the carrier. Verify
the model number, specifications, electrical characteristics,
and accessories are correct prior to installation. The distribu-
tor or manufacturer will not accept claims from dealers for trans-
portation damage or installation of incorrectly shipped units.
C ODES & R EGULATIONS
This product is designed and manufactured to comply with
national codes. Installation in accordance with such codes
and/or prevailing local codes/regulations is the responsibility
of the installer. The manufacturer assumes no responsibility
for equipment installed in violation of any codes or regulations.
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.

Summary

Important Safety Instructions

Safe Refrigerant Handling Procedures

Refrigerant Line Installation and Insulation

Guidelines for connecting and insulating refrigerant lines, including tubing size recommendations.

Refrigerant Line Connection Procedures

Leak Testing Methods

Procedures and warnings for leak testing refrigeration systems using nitrogen.

System Evacuation Process

Refrigerant Pressure and System Start-Up

System Start-Up Procedures

Procedures for safely starting up the system, including valve operation and vacuum break.

Charge Verification Methodology

Methodology for checking system charge using subcooling and superheat.

Electrical Connections and Protection

System Start-Up and Charge Adjustment

Final Charge Adjustment

Procedure for adjusting refrigerant charge based on temperature and system stabilization.

Network and System Troubleshooting

Network Communication Troubleshooting

Guidance on understanding and troubleshooting network communication signals.

General System Troubleshooting References

Unitary Diagnostic Codes - LED Indicators

Condensing Unit Troubleshooting Guide

Possible Causes of Malfunctions

Table listing potential causes for various system complaints.

Test Methods and Remedies

Table detailing test methods and remedies for identified troubleshooting issues.

Unitary Diagnostic Codes - LED and Thermostat Indicators

Abnormal Operation Symptoms and LED Codes

Lists symptoms of abnormal operation and corresponding LED diagnostic codes.

Diagnostic Code Details

Details LED codes, fault descriptions, possible causes, and corrective actions.

ComfortNet Thermostat Specific Codes

Unitary Diagnostic Codes - Causes and Actions

Diagnostic Code Possible Causes

Lists potential causes for specific diagnostic codes.

Diagnostic Code Corrective Actions

Provides corrective actions for diagnosed issues.

Diagnostic Code Notes and Cautions

Unitary Diagnostic Codes - Further Causes and Actions

System Malfunction Causes

Details potential causes for system malfunctions.

Troubleshooting Corrective Actions

Recommended steps to resolve system issues.

Troubleshooting Notes and Cautions

Unitary Diagnostic Codes - High Side and Other Faults

Fault Causes - High Side Issues

Lists potential causes for high-side and other faults.

Corrective Actions for Faults

Provides corrective actions for identified system problems.

Notes and Cautions for Faults

Unitary Diagnostic Codes - Compressor and Circuit Issues

Fault Causes - Compressor and Circuit

Corrective Actions for Compressor;Circuit

Notes and Cautions for Compressor;Circuit

Unitary Diagnostic Codes - Voltage and Circuit Issues

Fault Causes - Voltage and Circuit

Corrective Actions for Voltage;Circuit

Notes and Cautions for Voltage;Circuit

Unitary Diagnostic Codes - Low Voltage and Protector Issues

Fault Causes - Low Voltage;Protector

Corrective Actions for Low Voltage;Protector

Notes and Cautions for Low Voltage;Protector

Goodman CONDENSING UNIT HEAT PUMP Specifications

General

Brand	Goodman
Model	CONDENSING UNIT HEAT PUMP
Category	Heat Pump
Language	English