Goodman GMS8 Series User Manual

RT6622014r3
November 2013
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 performed by an unqualified
person.
• Refer to Service Manual RS6612006for 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.
GMS8 33-3/8" 80% Gas Furnace Units
80% AFUE, Single Stage,
Multi-Speed, Upflow Horizontal
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TECHNICAL MANUTECHNICAL MANU
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Copyright © 2011, 2013 Goodman Manufacturing Company, L.P.
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Goodman GMS8 Series Specifications

General

Brand	Goodman
Model	GMS8 Series
Category	Furnace
Language	English

Summary

Product Identification

Model Number Breakdown

Explains the coding system used in the furnace model number.

Product Identification

Model Number List

Lists various GMS8 furnace model numbers and their variations.

Product Design

General Operation

Overview of the furnace's electronic ignition, induced draft blower, and control module.

Location Considerations

Guidelines for furnace placement and installation concerning surroundings.

High Altitude Derate

Explains adjustments needed for furnace operation at higher altitudes.

Component Identification

Product Dimensions

Product Design

Coil Matches

Details compatibility of Amana® brand coils with GMS8 furnaces.

Product Design

Thermostats

Recommendations for thermostat types compatible with the furnace.

Filters

Requirements and specifications for furnace air filters.

Furnace Specifications

Furnace Specifications

Blower Performance Specifications

Blower Performance Specifications

Blower Performance Specifications

Wiring Diagrams

Schematics