Goodman GM9S92 - User Manual

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SS-GM9S92 www.goodmanmfg.com 2/22

Supersedes 8/21

Single-Stage, Multi-Speed

ECM Gas Furnace

Up to 92% AFUE

Contents

Nomenclature ............................................2

 ...............................3

 ................................................ 4

 ................................ 5

Wiring Diagram ........................................13

 ..............................................14

Standard Features Cabinet Features

• 

• 

• 

• 

• 

• 

• 

• 



• 





• 

• 



• 



• 



• 



• Q

• 

• 

• 





 





GM9S92

Heating Input: 40,000–120,000 BTU/h

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Summary

Standard Features

Cabinet Features

Describes the furnace cabinet's design for installation, venting, and durability.

Nomenclature

Model Numbering System

Details the code used to identify furnace model features, configuration, and specifications.

Product Specifications

Technical Data Overview

Presents key performance metrics like heating input/output, AFUE, and blower specs across models.

Dimensions

Installation Clearances

Provides required minimum clearances for safe installation of the furnace.

Heating Airflow Data

Airflow Performance for Heating

Shows CFM and temperature rise for heating operation at various static pressures.

Circulation Airflow Data

General Airflow Performance

Details general airflow performance for heating, including CFM and temperature rise.

High Stage Cooling Airflow Data

Cooling Airflow at High Stage

Presents CFM and temperature rise data for cooling at high fan speed and static pressures.

Low Stage Cooling Airflow Data

Cooling Airflow at Low Stage

Presents CFM and temperature rise data for cooling at low fan speed and static pressures.

Wiring Diagram

Electrical Safety and Troubleshooting

Illustrates electrical connections, safety warnings, and error code status for furnace operation.

Accessories

Optional Furnace Accessories

Lists available accessories such as vent kits, filter racks, and conversion kits.

The Goodman GM9S92 is a single-stage, multi-speed ECM gas furnace designed for residential heating applications, offering up to 92% AFUE (Annual Fuel Utilization Efficiency). This furnace is engineered for multi-position installation, specifically upflow, horizontal left, or horizontal right configurations, providing flexibility for various home layouts. It is certified for both direct vent (2-pipe) and non-direct vent (1-pipe) installations, further enhancing its adaptability.

Function Description:

The GM9S92 furnace operates by drawing in combustion air and mixing it with natural gas (or LP gas with conversion). This mixture is ignited by a durable Silicon Nitride igniter, and the resulting hot gases pass through a heavy-duty aluminized-steel tubular heat exchanger and a stainless-steel secondary heat exchanger. Heat is transferred from the hot gases to the circulating air, which is then distributed throughout the home by a multi-speed ECM blower motor. The cooled combustion gases are safely vented outdoors by a quiet single-speed induced draft blower. The single-stage gas valve provides consistent heat output, while the self-diagnostic control board monitors operation and helps in troubleshooting.

Important Technical Specifications:

Heating Input: Ranges from 40,000 to 120,000 BTU/H (Natural Gas BTU/h).
AFUE: Up to 92%, indicating high energy efficiency.
Vent Diameter: Requires either 2" or 3" PVC pipes for venting, depending on furnace input, number of elbows, run length, and installation type (1 or 2 pipes).
Electrical Supply: All furnaces are manufactured for use on 115 VAC, 60 Hz, single-phase electrical supply.
Minimum Circuit Ampacity: Varies by model, ranging from 10.3 to 16.9 amps.
Max. Overcurrent Device (amps): Varies by model, ranging from 15 to 20 amps.
Circulator Blower: Features a multi-speed ECM blower motor with horsepower ranging from 1/2 to 1 HP at 1075 RPM. Available AC at 0.5" ESP ranges from 1.5-3 to 3-5.
Filter Size (in²): Models typically accommodate (1) 16x25 (side or bottom), (1) 14x25 (bottom), or (1) 20x25 (bottom) filters, with some models allowing for (2) 16x25 (side) filters. Other size filters of equal or greater dimensions may be used and can be centrally located.
Cabinet Air Leakage (QLeak): ≤ 2%, ensuring minimal heat loss from the cabinet.
Dimensions: Cabinet widths vary by model, including 14", 17½", 21", and 24½". Detailed dimensions are provided for installation planning.
Clearances to Combustible Materials:
- Upflow: Sides 0", Rear 0", Front 3", Bottom C (wood floor ONLY), Flue 0", Top 1".
- Horizontal: Sides 6", Rear 0", Front 3", Bottom C (wood floor ONLY), Flue 0", Top 6".
Gas Service Connection: 1/2" FPT.
Emissions: All models comply with California 40 ng/J Low NOx emissions standard. However, as of October 1, 2019, these units can no longer be installed in California's South Coast Air Quality Management District (SCAQMD).
Certifications: AHRI Certified and ETL Listed.

Usage Features:

Multi-position Installation: Designed for upflow, horizontal left, or horizontal right applications, providing versatility for different home configurations.
Easy-to-install Top Venting: Offers optional side venting for GM9S92/upflow models, simplifying installation in various settings.
Convenient Connections: Features left or right connections for gas and electrical service, streamlining the installation process.
Multi-speed ECM Blower Motor: Provides flexible airflow for heating and cooling, allowing for precise comfort control and potentially improved dehumidification when paired with a compatible cooling system. The installer must adjust blower cooling and heating speed as needed.
Quiet Operation: Equipped with a quiet single-speed induced draft blower for reduced noise levels during operation.
Self-diagnostic Control Board: Simplifies troubleshooting by displaying error codes, which can be read from left to right on a seven-segment display. This feature aids technicians in quickly identifying and resolving issues.
Low NOx Emissions: Meets stringent emissions standards, contributing to cleaner air quality.
Dual Fuel Capability: Can be used in dual fuel applications with the AFE18-60A Fossil Fuel (Dual Fuel) Kit.

Maintenance Features:

Self-diagnostic Control Board: As mentioned, this board assists in maintenance by providing error codes for quick diagnosis. The board can recall the last 6 faults (most recent to least recent) by depressing a switch for more than 2 seconds while in standby.
Foil-faced Insulated Heat Exchanger Cabinet: Helps maintain internal temperatures and contributes to the furnace's efficiency.
Heavy-gauge Steel Cabinet with Durable Finish: Designed for longevity and protection of internal components.
Airtight Solid Bottom or Side Return: Features easy-cut tabs for effortless removal in bottom air-inlet applications, simplifying filter access and cleaning.
Filter Access: Filters are typically located in the side or bottom return, and other size filters of equal or greater dimensions may be used and can be centrally located. Regular filter replacement is crucial for optimal performance.
Servicing Clearance: A 24" front clearance is required for servicing or cleaning. Unit connections (electrical, flue, and drain) may necessitate greater clearances than the minimum listed, and accessibility clearance must take precedence over enclosure clearances.
Warranty: Includes a Lifetime Heat Exchanger Limited Warranty (for as long as you own your home), a 2-Year Unit Replacement Limited Warranty, and a 10-Year Parts Limited Warranty. Online registration within 60 days of installation is required to receive these warranties (not required in California or Quebec).