Catalogue

18 UH-PRC002-EN
Indoor Gas Heating Units
Note: All units are AGA approved. For
CGA approved units, contact Air
Handling Product Support.
Digit 1 — Gas Heating
Equipment
Digit 2 — Product Type
B = High Efficiency Centrifugal Fan
Unit Heater
L = High Efficiency Indoor Duct
Furnace
H = High Efficiency Propeller Fan Unit
Heater
A = Separated Combustion Propeller
Fan Unit Heater
K = Separated Combustion
Centrifugal Fan Unit Heater
M = Separated Combustion Indoor
Duct Furnace
T = Propeller Fan / Tubular Heat
Exchanger
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
Digit 8 — Main Power Supply
003
(a)
(a) Not available for high efficiency propeller fan.
= 30 MBh 015 = 150 MBh
004
(a)
= 45 MBh 017 = 175 MBh
006
(a)
= 60 MBh 020 = 200 MBh
007
(a)
= 75 MBh 022 = 225 MBh
009 = 90 MBh 025 = 250 MBh
010
(b)
(b)Not available for tubular.
= 100 MBh 030 = 300 MBh
011
(c)
(c) Available for tubular only.
= 105 MBh 035 = 350 MBh
120
(c)
= 120 MBh 040 = 400 MBh
012
(b)
= 125 MBh
A = 115/60/1 D = 230/60/3
B = 230/60/1 E = 460/60/3
C = 208/60/3 F = 575/60/3
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
2 = #409 Stainless Steel
3 = #321 Stainless Steel
Digit 12 — Rooftop
Arrangements
0 = None (Indoor Unit)
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
All Units
0=None
A = #409 Stainless Steel Burners
1
B = Orifices For Elevation Above 2000
Feet (Specify Elevation)
Propeller Fan Unit Heater
(High Efficiency and Separated
Combustion)
C = #409 Stainless Steel Draft Diverter
D = Summer-Winter Switch
E = Vertical Louvers
J = Totally Enclosed Motor
7 = OSHA Fan Guard
Centrifugal Fan Unit Heater
(High Efficiency and Separated
Combustion)
C = #409 Stainless Steel Draft Diverter
D = Summer-Winter Switch
E = Vertical Louvers
H = Duct Discharge Flange
J = Totally Enclosed Motor
Duct Furnace (Indoor) (High
Efficiency)
C = #409 Stainless Steel Draft Diverter
D = Summer-Winter Switch
F = Horizontal Louvers
G = Horizontal and Vertical Louvers
K = Side Access Burner Drawer (Left
Hand)
2
L = Fan Time Delay Control
M = Side Access Burner Drawer (Right
Hand)
2
Separated Combustion, Indoor Duct
Furnace
C = #409 Stainless Steel Draft Diverter
D = Summer-Winter Switch
F = Horizontal Louvers
G = Horizontal and Vertical Louvers
Propeller Type / Tubular Heat
Exchanger
J = Totally Enclosed Motor
7 = OSHA Fan Guard
1
Not available for tubular.
2
The left or right hand side of the side access burner
drawer, options K & M, is determined by facing the
air outlet side of the duct furnace.
Model Number Descriptions