Goodman GMS8 Manuals

These furnaces comply with requirements embodied in the American National Standard / National Standard of Canada ANSI Z21.47·CSA-2.3 Gas Fired Central Furnaces. RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION. ATTENTION INSTALLING PERSONNEL As a professional installer you have an obligation to know the product better than the customer. This includes all safety precautions and related items. Prior to actual installation, thoroughly familiarize yourself with this Instruction Manual. Pay special attention to all safety warnings. Often during installation or repair it is possible to place yourself in a position which is more hazardous than when the unit is in operation. Remember, it is your responsibility to install the product safely and to know it well enough to be able to instruct a customer in its safe use. Safety is a matter of common sense...a matter of thinking before acting. Most dealers have a list of specific good safety practices...follow them. The precautions listed in this Installation Manual are intended as supplemental to existing practices. However, if there is a direct conflict between existing practices and the content of this manual, the precautions listed here take precedence. *NOTE: Please contact your distributor or our website for the applicable product data book referred to in this manual. C US ® INSTALLATION & OPERATING INSTRUCTIONS for GMS8, GDS8 and GHS8 GAS FIRED WARM AIR FURNACE SINGLE STAGE (CATEGORY 1) I0-242 5/04 © 2004 Goodman Manufacturing Company, L.P.

These furnaces comply with requirements embodied in the American National Standard / National Standard of Canada ANSI Z21.47·CSA-2.3 Gas Fired Central Furnaces. RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION. ATTENTION INSTALLING PERSONNEL As a professional installer you have an obligation to know the product better than the customer. This includes all safety precautions and related items. Prior to actual installation, thoroughly familiarize yourself with this Instruction Manual. Pay special attention to all safety warnings. Often during installation or repair it is possible to place yourself in a position which is more hazardous than when the unit is in operation. Remember, it is your responsibility to install the product safely and to know it well enough to be able to instruct a customer in its safe use. Safety is a matter of common sense...a matter of thinking before acting. Most dealers have a list of specific good safety practices...follow them. The precautions listed in this Installation Manual are intended as supplemental to existing practices. However, if there is a direct conflict between existing practices and the content of this manual, the precautions listed here take precedence. *NOTE: Please contact your distributor or our website for the applicable product data book referred to in this manual. C US ® (CATEGORY 1) IO-242D © 2004-2006 Goodman Manufacturing Company, L.P. 2/06 INSTALLATION & OPERATING INSTRUCTIONS for GMS8, GDS8 and GHS8 GAS FIRED WARM AIR FURNACE SINGLE STAGE

PRODUCT SPECIFICATIONS SS-GMS8 www.goodmanmfg.com 6/08 Supersedes 1/08 GMS8/GDS8/GHS8 Standard Features Patented Tuff Tube™ dual-diameter tubular heat exchanger Single-stage combination redundant gas valve Hot surface igniter and patented adaptive learning control for maximum igniter life Energy-saving, quiet four-speed direct-drive circulator blower motor Furnace control board with self-diagnostics and low- voltage terminal block Quiet single-speed, induced-draft blower Cabinet Features Foil-faced insulation lines the heat exchanger compartment Designed for multi-position installation: GMS8 and GHS8: upfl ow, horizontal left or right GDS8: dedicated downfl ow Coil and furnace fi t fl ush for most installations Contents Nomenclature .................................................................................2 Product Specifications .................................................................3 Dimensions ......................................................................................5 Blower Performance Specifi cations ........................................7 Wiring Diagrams ..........................................................................10 Schematics ....................................................................................11 Accessories ....................................................................................12 • • • • • • • • • MULTI-POSITION, SINGLE-STAGE/ MULTI-SPEED GAS FURNACES HEATING INPUT: 45,000–140,000 BTU/H The Goodman® GMS8 / GHS8 / GDS8 80% AFUE Single-Stage, Multi-Speed Gas Furnaces feature a patented aluminized- steel tubular heat exchanger and energy-effi cient Hot Surface Ignition system. This furnace is run-tested for heating or combination heating/cooling applications. With a heavy-gauge, reinforced steel cabinet and durable baked enamel fi nish, this unit can be installed in a variety of locations. 80% AFUE For full warranty details, visit www.goodmanmfg.com.

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 TECHNICAL MANU TECHNICAL MANU TECHNICAL MANU TECHNICAL MANU TECHNICAL MANUAL AL AL AL AL Copyright © 2011, 2013 Goodman Manufacturing Company, L.P. C US ®

RT66220010 May 2009 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 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. GMS8 33-3/8" 80% Gas Furnace Units 80% AFUE, Single Stage, Multi-Speed, Upflow Horizontal TECHNICAL MANU TECHNICAL MANU TECHNICAL MANU TECHNICAL MANU TECHNICAL MANUAL AL AL AL AL Copyright ©2009 Goodman Manufacturing Company, L.P. C US ®