1
These downflow furnaces are specially designed for
installation in manufactured, (mobile home) or modular
housing. Four heat capacities and three blower choices
handle heating and cooling (up to 5 tons) in any climate.
All blowers are multi-speed to fine tune airflow to the
home ensuring quiet operation, high operating efficiency
and comfort.
FEATURES
HEATING ONLY or HEATING & A/C UNITS
ELECTRONIC IGNITION
SEALED COMBUSTION VENTING
ALUMINIZED STEEL HEAT EXCHANGER
ZERO CLEARANCE TO CONSTRUCTION
BUILT-IN ‘A’ COIL CABINET – 25-1/2”H ( C cab.)
SHORTER A/C FURNACE-ONLY 77-1/2”H
HOGS HAIR WASHABLE AIR FILTERS
CONTOURED WHITE DOOR PANELS
Model No.
G18D060AH2AA G18D070AH2AA G18D077AH2AA G18D090AH2AA G18D060CA3AA G18D070CA3AA G18D077CA3AA G18D090CA3AA G18D060CA5AA G18D070CA5AA G18D077CA5AA G18D090CA5AA
Input, BTUH
60,000
70,000
77,000
90,000
60,000
70,000
77,000
90,000
60,000
70,000
77,000
90,000
Output, BTUH
48,000
56,000
61,600
72,000
48,000
56,000
61,600
72,000
48,000
56,000
61,600
72,000
AFUE, %
80
80
80
80
80
80
80
80
80
80
80
80
With A-Coil Cabinet
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
Ignition Type
Auto-Elect
Auto-Elect
Auto-Elect
Auto-elect
Auto-Elect
Auto-Elect
Auto-Elect
Auto-elect
Auto-Elect
Auto-Elect
Auto-Elect
Auto-elect
Air Temperature Rise, Range - F
40-70
40-70
40-70
45-75
40-70
40-70
40-70
45-75
40-70
40-70
40-70
45-75
Designed Max Outlet Air Temp-F
170
170
170
175
170
170
170
175
170
170
170
175
Natural Gas Orifice Size
27
22
19
17
27
22
19
17
27
22
19
17
Propane (LP) Gas Orifice Size
44
42
41
37
44
42
41
37
44
42
41
37
Blower-Heat or Heat/Cool
10 X 8, 1/4 HP, 2 SPD
10 X 8, 1/3 HP, 3 SPD
10 X 8, 3/4 HP, 4 SPD
Max. External SP (Duct), In.
W.C.
0.3
Fuel
Natural Gas (Factory Equipped) - LP Orifice Furnished
High Altitude
For elevations above 2,000 feet, reduce input 4% for each 1,000 ft.
elevation above sea level
Furnace Flue Pipe
Must Use RJS Roof Jack for Sloped Roof or RJF Roof
Jack for Flat Roof
Gas Connection
1/2" FPT
Electric Service
115 VAC, 60 Hz, 1 PH
Fuse or Circuit Breaker
15 Amp
Thermostat Circuit
24 VAC, 60 Hz, 40VA
Filters
2 - 16" X 20" X 1"
SEALED COMBUSTION
DOWNFLOW GAS FURNACE
SIZES:
60, 70, 77, 90
M ODELS :
G18D SERIES
CAUTION: READ ALL SAFETY GUIDES
BEFORE INSTALLING THIS GUIDE
TECHNICAL GUIDE
“A” Cabinet “C” Cabinet
80 AFUE - AUTOMATIC HOT SURFACE IGNITION
