Specification

ManualsBrandsGOODMAN ManualsForced Air Furnaces80% AFUE 100,000 BTU Multi-Positional 2-Stage Variable Speed Natural Gas Furnace with 21 in. Cabinet

SS-GMVC8 www.goodmanmfg.com 9/18

Supersedes 5/17

Two-Stage, Variable-Speed

Gas Furnace

80% AFUE

GMVC8 / GCVC8 (C)

Heating Input: 60,000–100,000 BTU/h

Contents

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

 ........................... 3

 ............................................ 5

 ........................................... 7

 ............................................ 8

Wiring Diagram ................................... 10

Standard Features

• 

• 



• 





• 





• SureStart® Silicon Nitride igniter



• 



• 



• 

• 



• 















• 

Cabinet Features

• 



• 





• 



• 



• 

• 











Summary of content (10 pages)

PAGE 1
GMVC8 / GCVC8 (C) Two-Stage, Variable-Speed Gas Furnace 80% AFUE Heating Input: 60,000–100,000 BTU/h Contents Nomenclature......................................... 2 Product Specifications............................ 3 Dimensions............................................. 5 Airflow Data............................................ 7 Accessories............................................. 8 Wiring Diagram ....................................
PAGE 2
Nomenclature G M V C 80 040 4 C * ** 1 2 3 4 5,6 7,8,9 10 11 12 13,14 Brand Engineering G - Goodman® Brand Major /Minor Revisions * Not used for inventory control.
PAGE 3
Specifications GMVC8 0603B*C GMVC8 0604B*C GMVC8 0803B*C GMVC8 0804C*C GMVC8 0805C*C GMVC8 0805D*C GMVC8 1005C*C 60,000 60,000 80,000 80,000 80,000 80,000 100,000 Natural Gas 48,000 48,000 64,000 64,000 64,000 64,000 80,000 LP Gas 48,000 48,000 64,000 64,000 64,000 64,000 80,000 42,000 42,000 56,000 56,000 56,000 56,000 70,000 Natural Gas 33,600 33,600 44,800 44,800 44,800 44,800 56,000 LP Gas 33,600 33,600 44,800 44,800 44,800 44,800 56,000 80 80 80
PAGE 4
Specifications GCVC8 0603B*C GCVC8 0803B*C GCVC8 0805C*C GCVC8 1005C*C 60,000 80,000 80,000 100,000 Natural Gas 48,000 64,000 64,000 80,000 LP Gas 48,000 64,000 64,000 80,000 42,000 56,000 56,000 70,000 Natural Gas 33,600 44,800 44,800 56,000 LP Gas 33,600 44,800 44,800 56,000 80 80 80 80 Heating Capacity High Fire Input (BTU/h)¹ High Fire Output (BTU/h)¹ Low Fire Input (BTU/h)¹ Low Fire Output (BTU/h)¹ AFUE² Available AC @ 0.5” ESP Temperature Rise Range (° F) 1.
PAGE 5
GMVC8 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.
PAGE 6
GCVC8 Dimensions A 28” 19⅝” B High-Voltage Electrical Low-Voltage Electrical 33⅜” Gas Inlet 18⅜” 11⅜” Dimensions Model Heights W D H A B GCVC80603B** 17½” 28” 33⅜" 17½” 16” GCVC80803B** 17½” 28” 33⅜" 17½” 16” GCVC80805C** 21” 28” 33⅜" 21” 19½” GCVC81005C** 21” 28” 33⅜" 21” 19½” Minimum Clearances to Combustible Materials Sides Rear Front ¹ 1 0 3 Vent ² SW B 6 1 Top 1 Approved for line contact in the horizontal position.
PAGE 7
Airflow Data MODEL/TEMP RISE RANGE (MID RISE) GCVC80603BXC* 25-55 (40) GCVC80603BXC* 30-60 (45) GCVC80805CXC* 25-55 (40) GCVC81005CXC* 20-50 (35) GMVC80603B*C* 15-45 (30) GMVC80604B*C* 20-50 (35) CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE Recommended cfm for high heat / expected temperature rise 1100 40 1325 45 1470 40 2090 35 1400 32 1275 35 Lowest recommended cfm for hi heat / expected temperature rise 810 55 990 60 1070 55 1475 50 980 45 890 50 Max
PAGE 8
Airflow Data (cont.
PAGE 9
SS-GMVC8 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/HR x 1000 Output BTU/h x 1,000 80 1200 1100 1000 900 70 800 Formulas FORMULAS 110 120 130 CFM x 1.08 140 BTUBTU/h OUTPUT 1.08 x RISE Output== CFM CFM xx1.08 x Rise BTU OUTPUT RISE = = BTU/H Output ÷ CFM Rise 1.08 BTUBTU OUTPUT TEMPERATURE RISEChart CHART OutputvsVs.
PAGE 10
Wiring Diagram TO 115 VAC/ 1 Ø /60 HZ POWER SUPPLY WITH OVERCURRENT PROTECTION DEVICE GND L BR M FLAME YL SENSOR BL BR BL PU OR PU AUTO RESET PRIMARY LIMIT CONTROL OR INDUCED DRAFT BLOWER WH RD BK 3 2 1 NEUTRAL BK 12 7 8 9 RD 5 6 1 2 3 RD 1 24 VAC BK PU YL OR BL 4 2 24 V 3A 115 VAC 40 VA WH TRANSFORMER DIAGNOSTIC LED'S FUSE FUSE 3 A R BL TO +VDC NEUTRAL IND LO IGN HOT SURFACE IGNITER FS 24V THERMOSTAT CONNECTIONS YL 11 3 BK RD 15 10 CONTROL MODULE