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Model Number Descriptions
Indoor Gas Heating
Units
Note: All units are AGA approved. For
CGA approved units, contact Air
Handling Product Support.
Digit 1 — Gas Heating
Equipment
G
= Gas Heating Equipment
Digit 2 — Product Type
M =
Separated Combustion Indoor
Duct Furnace
Digit 3 — Fuel
N
=
Natural Gas
P
=
LP Gas (Propane)
Digit 4 — Development
Sequence
D
=
Fourth Generation
Digits 5, 6, 7 — Input Capacity
Single Furnace
010 =
100 MBh
022 =
012 =
125 MBh
025 =
015 =
150 MBh
030 =
017 =
175 MBh
035 =
020 =
200 MBh
040 =
Digit 8 — Main Power Supply
A
=
115/60/1
D
=
B
=
230/60/1
E
=
C
=
208/60/3
F
=
Digit 9 — Gas Control Option
D
=
Single-Stage, Intermittent Pilot
Ignition
E
=
Two-Stage, Intermittent Pilot
Ignition
H
=
Electronic Modulating with
Room
T-Stat, Intermittent Pilot Ignition
J
=
Electronic Modulating with
Duct-Stat, Intermittent Pilot
Ignition
L
=
Electronic Modulating with
External 4–20 mA Input
N
=
Electronic Modulating with
External 0–10 Vdc Input
T
=
Single Stage Direct Spark
Ignition
V
= Two-Stage, Direct Spark Ignition
Digit 10 — Design Sequence
G
=
Seventh Design
Digit 11 — Heat Exchanger
Material
1
=
Aluminized Steel
3
=
#321 Stainless Steel
Digit 12 — Rooftop
Arrangements
0
=
None (Indoor Unit)
6
Digit 13 — Rooftop Heating Unit
Motor Selection
0
=
None (Indoor Unit and Rooftop
Duct Furnace)
Digit 14 — Rooftop Fan Section
0
=
None (Indoor Unit and Rooftop
Duct Furnace)
Digit 15 — Miscellaneous
Options
0
=
None
A
=
#409 Stainless Steel Burners
B
=
Orifices For Elevation Above
2000 Feet (Specify Elevation)
C
=
#409 Stainless Steel Draft
Diverter
D
=
Summer-Winter Switch
F
=
Horizontal Louvers
G
=
Horizontal and Vertical Louvers
225 MBh
250 MBh
300 MBh
350 MBh
400 MBh
230/60/3
460/60/3
575/60/3
Horizontal Blower
Assembly
Digit 1, 2, 3 — Horizontal
Blower Assembly
Digit 4 — Development
Sequence
C
=
Third Generation
Digit 5, 6 — Blower Size
15 =
Nominal 1500 cfm
20 =
Nominal 2000 cfm
30 =
Nominal 3000 cfm
45 =
Nominal 4500 cfm
Digit 7 — Transition Size
(Specifies Duct Furnace Size)
0
=
None
A
=
100 MBh
F
=
B
=
125 MBh
G =
C
=
150 MBh
H
=
D
=
175 MBh
J
=
E
=
200 MBh
K
=
Digit 8 — Main Power Supply
A
=
115/60/1
D
=
B
=
230/60/1
E
=
C
=
208/60/3
Digit 9 — Motor Horsepower
A
=
1/3 hp
D
=
B
=
1/2 hp
E
=
C
=
3/4 hp
F
=
Digit 10 — Design Sequence
D
=
Fourth Design
Digit 11 — Miscellaneous
Options
0
=
None
1
=
Insulation
3
=
Totally Enclosed Motor
GMND-SVX01B-EN
225 MBh
250 MBh
300 MBh
350 MBh
400 MBh
230/60/3
460/60/3
1 hp
1-1/2 hp
2 hp
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