GC9S80 Product Specs

ManualsBrandsGoodman ManualsCooling & Air Quality40,000 BTU 80% AFUE 9-Speed Single Stage Gas Furnace

SS-GM9S80/GC9S80 www.goodmanmfg.com 8/21

Heating Input : 40,000–120,000 BTU/h

Single-Stage, Multi-Speed ECM,

Multi-Position Gas Furnace

80% AFUE

Standard Features Cabinet Features

• Heavy-duty aluminized-steel dual-

diameter tubular heat exchanger

• Single-stage gas valve

• Durable Hot-surface igniter

• 

• 

• Color-coded low-voltage terminals

• 

• California Low NOx emissions models available

• Can no longer be installed in California’s

South Coast Air Quality Management District



• 

• 

– 



– 



• 

for gas and electrical service

• Heavy-gauge steel cabinet with



• Foil faced insulated heat exchanger

Contents

Nomenclature 

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

Dimensions 5

 7

Wiring Diagrams 

Accessories 

Minimum Filter Sizes  

GM9S80/GC9S80

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

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

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

Summary of content (20 pages)

PAGE 1
GM9S80/GC9S80 Single-Stage, Multi-Speed ECM, Multi-Position Gas Furnace 80% AFUE Heating Input : 40,000–120,000 BTU/h Contents Nomenclature......................................... 2 Product Specifications............................ 3 Dimensions............................................. 5 Airflow Data............................................ 7 Wiring Diagrams................................... 19 Accessories........................................... 20 Minimum Filter Sizes .......................
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Nomenclature G M 9 C 80 060 3 B N ** 1 2 3 4 5,6 7,8,9 10 11 12 13,14 Brand Engineering G - Goodman® Brand Major/Minor Revisions A - Initial Release B - 1st Revision Configuration NOx M - Upflow/Horizontal N = > 40 NG/J NOx C - Downflow/Horizontal X = < 40 NG/J NOx U = < 14NG/J NOx Motor Cabinet Width 9 - Nine Speed ECM Gas Valve A - 14" C - 21" B - 17½" D - 24½" Maximum CFM S - Single Stage 3 - 1200 CFM C - Two Stage 4 - 1600 CFM 5 - 2000 CFM AFUE MBTU/h 80 - 8
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GM9S80 Product Specifications GM9S80 0403A* GM9S80 0603A* GM9S80 0603B* GM9S80 0604B* GM9S80 0803B* GM9S80 0804B* GM9S80 0804C* GM9S80 0805C* GM9S80 1005C* GM9S80 1205D* Input 40,000 60,000 60,000 60,000 80,000 80,000 80,000 80,000 100,000 120,000 Natural Gas Output 32,000 48,000 48,000 48,000 64,000 64,000 64,000 64,000 80,000 96,000 LP Gas Output 32,000 48,000 48,000 48,000 64,000 64,000 64,000 64,000 80,000 96,000 80 80 80 80 80 80 80 80 80 80 Heating
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GC9S80 Product Specifications GC9S80 0403A* GC9S80 0603A* GC9S80 0804B* GC9S80 0805C* GC9S80 1005C* Input 40,000 60,000 80,000 80,000 100,000 Natural Gas Output 32,000 48,000 64,000 64,000 80,000 LP Gas Output 32,000 48,000 64,000 64,000 80,000 AFUE ¹ 80 80 80 80 80 Available AC @ 0.
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GM9S80 Dimensions Alt. Flue Outlet — Horizontal Left 1¾” 17⁄16” A B 19½” ➤ Alternate Gas Inlet ➤ ➤ 33⅜” Alt. Gas Inlet ➤ 27⅞” 20” High-Voltage Inlet 235⁄16” Alt. High Voltage 15” 13¼” Low-Voltage Inlet Alt.
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GC9S80 Dimensions A 28” 19 ⅝” B High-Voltage Electrical Low-Voltage Electrical 33 ⅜” Gas Inlet 18 ⅜” 11 ⅜” A B Non-Combustible Floor Base GC9S800403A* 14” 12½” SBT14 GC9S800603A* 14” 12½” SBT14 GC9S800804B* 17½” 16” SBT17 GC9S800805C* 21” 19½” SBT17 GC9S801005C* 21” 19½” SBT21 Model Notes • Line voltage wiring can enter through the right or left side of furnace. Low-voltage wiring can enter through the right or left side of furnace.
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GM9S80 Low Stage Cooling Airflow Data LOW STAGE COOLING AIFLOW MODEL GM9S80 0403A* GM9S80 0603A* GM9S80 0603B* GM9S80 0604B* GM9S80 0803B* THERMOSTAT CALL Y/Y1 Y/Y1 Y/Y1 Y/Y1 Y/Y1 EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.
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GM9S80 Low Stage Cooling Airflow Data (Cont.) LOW STAGE COOLING AIFLOW MODEL GM9S80 0804B* GM9S80 0804C* GM9S80 0805C* GM9S80 1005C* GM9S80 1205D* THERMOSTAT CALL Y/Y1 Y/Y1 Y/Y1 Y/Y1 Y/Y1 EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.
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GM9S80 High Stage Cooling Airflow Data HIGH STAGE COOLING AIFLOW MODEL GM9S80 0403A* GM9S80 0603A* GM9S80 0603B* GM9S80 0604B* GM9S80 0803B* THERMOSTAT CALL Y2 Y2 Y2 Y2 Y2 EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.
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GM9S80 High Stage Cooling Airflow Data (Cont.) HIGH STAGE COOLING AIFLOW MODEL THERMOSTAT CALL GM9S80 0804B* GM9S80 0804C* GM9S80 0805C* GM9S80 1005C* GM9S80 1205D* Y2 Y2 Y2 Y2 Y2 EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.
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GM9S80 Circulation Airflow Data CIRCULATION AIFLOW MODEL GM9S80 0403A* GM9S80 0603A* GM9S80 0603B* GM9S80 0604B* GM9S80 0803B* THERMOSTAT CALL G G G G G EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.
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GM9S80 Circulation Airflow Data (Cont.) CIRCULATION AIFLOW MODEL GM9S80 0804B* GM9S80 0804C* GM9S80 0805C* GM9S80 1005C* GM9S80 1205D* THERMOSTAT CALL G G G G G EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.
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GM9S80 Heating Airflow Data HEATING AIFLOW MODEL GM9S80 0403A* GM9S80 0603A* GM9S80 0603B* GM9S80 0604B* GM9S80 0803B* GM9S80 0804B* GM9S80 0804C* GM9S80 0805C* GM9S80 1005C* GM9S80 1205D* THERMOSTAT CALL W/W1 W/W1 W/W1 W/W1 W/W1 W/W1 W/W1 W/W1 W/W1 W/W1 EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 0.3 0.4 0.
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GC9S80 Low Stage Cooling Airflow Data LOW STAGE COOLING AIFLOW MODEL GC9S80 0403A* GC9S80 0603A* GC9S80 0804B* GC9S80 0805C* GC9S80 1005C* THERMOSTAT CALL Y/Y1 Y/Y1 Y/Y1 Y/Y1 Y/Y1 EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.
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GC9S80 High Stage Cooling Airflow Data LOW STAGE COOLING AIFLOW MODEL GC9S80 0403A* GC9S80 0603A* GC9S80 0804B* GC9S80 0805C* GC9S80 1005C* THERMOSTAT CALL Y2 Y2 Y2 Y2 Y2 EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.
PAGE 16
GC9S80 Circulation Airflow Data CIRCULATION AIFLOW MODEL GC9S80 0403A* GC9S80 0603A* GC9S80 0804B* GC9S80 0805C* GC9S80 1005C* THERMOSTAT CALL G G G G G EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.
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GC9S80 Heating Airflow Data HEATING AIFLOW MODEL GC9S80 0403A* GC9S80 0603A* GC9S80 0804B* GC9S80 0805C* GC9S80 1005C* THERMOSTAT CALL W/W1 W/W1 W/W1 W/W1 W/W1 EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) TAP # 0.1 0.2 CFM RISE F01^^ 712 F02^ 1120 F03 929 0.3 CFM RISE N/A 663 26 1081 32 891 0.4 CFM RISE N/A 610 27 1053 33 858 0.
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www.goodmanmfg.com 10 20 30 40 50 60 70 30 80 90 100 40 50 60 700 600 CFM 90 100 2000 2200 2400 CFM 1800 1600 1400 Output BTU/h x 1,000 OUTPUT BTU/HR x 1000 80 1200 1100 1000 900 70 800 Formulas FORMULAS 110 120 130 140 BTUBTU/h OUTPUT 1.08x xRise RISE Output==CFM CFRM xx 1.08 BTU OUTPUT RISERise = = BTU/H Output ÷÷ CFM CFM 1.08 CFM x 1.08 BTU OUTPUT vs TEMPERATURE CHART BTU/h Output Vs.
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Wiring Diagram YL JUNCTION BOX L DISCONNECT 2 CIRCUIT CONNECTOR BR SOME UNITS MAY HAVE 1 ROLL OUT SWITCH PU PU PK DOOR SWITCH DISCONNECT RD WH BK PK HUM-OUT BK WH IND 40 VA TRANSFORMER 2 3 2 5 6 11 8 4 PU 10 7 1 SW3 12 9 RIGHT LEFT CENTER 3 24V THERMOSTAT CONNECTIONS N.E.C. CLASS 2 WIRE R226 1 T5 COM BR R223 SW2 T4 YL READ CODES FROM LEFT TO RIGHT PU TWIN OR E24 24V HUM GY GY E21 5 4 3 2 1 PS1(5) NO C PRESS.
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Accessories Model Description GM9S80 0403A* GM9S80 0603A* GM9S80 0603B* GM9S80 0604B* GM9S80 0803B* GM9S80 0804B* GM9S80 0804C* GM9S80 0805C* GM9S80 1005C* GM9S80 1205D* √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ Fossil Fuel (Dual Fuel) Kit High-Altitude Natural Gas Kit Low LP Gas Pressure Switch AFE18-60A HANG20 LPLP03 LPT-03 LP Conversion Kits √ √ √ √ √ √ √ √ √ √ MVK-01 * Masonry Vent Kit √ √ √ √ √ √ √ √ √ ― MVK-02 * Mas