Goodman GMH80453AN Series User Manual

C
US
®
RT6621014 Rev. 2
June 2009
Copyright ©2006 - 2009 Goodman Manufacturing Company, L.P.
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.
• Refer to Service Manual RS6610004 for installation, operation, and troubleshooting information.
• All safety information must be followed as provided in the Service Manual.
• Refer to the appropriate Parts Catalog for part number information.
• Model numbers listed on page 3.
GMH8 39" 80% Gas Furnace
80% AFUE, 2-Stage (Convertible),
Multi-Speed, Upflow/Horizontal
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Goodman GMH80453AN Series Specifications

General

Brand	Goodman
Model	GMH80453AN Series
Category	Furnace
Language	English

Summary

Product Identification

Model Number Breakdown

Detailed breakdown of model nomenclature for furnace identification.

Model List

A comprehensive list of available furnace model numbers.

Product Design

General Operation

Explanation of the furnace's electronic ignition and induced draft blower system.

Location Considerations

Guidelines for optimal and safe placement of the furnace unit.

Accessibility Clearances

Minimum clearances required around the furnace for servicing.

High Altitude Derate

How altitude affects furnace performance and required adjustments.

Component Identification

Visual identification and labeling of furnace components.

Product Dimensions

Physical dimensions and specifications for different furnace models.

Pressure Switch and Limit Settings

Trip points for pressure switches and limit controls.

Coil Matches

Information on compatible indoor coils for furnace models.

Thermostats and Filters

Requirements and specifications for thermostats and air filters.

Dual Saver Configuration

How to configure and operate the furnace in different heating modes.

Furnace Specifications

Technical Specifications Table

Detailed performance and electrical data for each model.

Blower Performance Specs

CFM and temperature rise data based on external static pressure.

Blower Performance Chart

Graphical representation of blower performance for various conditions.

Wiring Diagrams

Wiring Diagram

Detailed electrical schematic for furnace connections.

Troubleshooting Codes

Explanation of LED flash codes for diagnosing issues.

Schematics

Typical Schematic

A general electrical schematic for the integrated ignition control system.