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MODEL IDENTIFICATION
Indoor Gravity and Power Vented Duct Furnace Model Nomenclature
1
2
3
4 5 6
PT
UC
V
MBH
1 -
Product Type (PT)
D or I - Indoor Unit
2 -
Unit Configuration (UC)
F - Furnace
3 - Venting (V)
G - Gravity
P - Power
4,5,6 - Furnace Input Rating (MBH)
75 - 75,000 Btu/Hr Input
100 - 100,000 Btu/Hr Input
125 - 125,000 Btu/Hr Input
150 - 150,000 Btu/Hr Input
175 - 175,000 Btu/Hr Input
200 - 200,000 Btu/Hr Input
225 - 225,000 Btu/Hr Input
250 - 250,000 Btu/Hr Input
300 - 300,000 Btu/Hr Input
350 - 350,000 Btu/Hr Input
400 - 400,000 Btu/Hr Input
7 - Heat Exchanger/Burner/Drip Pan Material (HE)
A - Aluminized Steel
S - 409 Stainless Steel Heat Exchanger/Burner
T - 409 Stainless Steel Heat Exchanger/Burner/Drip Pan
8 - Development Sequence (DS)
F - Single Stage
M - 2-stage or Modulating
9 - Access Side (AS)
R - Right Hand
L - Left hand
10 - Air Temperature Rise (ATR)
N - Not Used
24
7
8
9
10
HE
DS
AS
ATR
11
12
13
14
GT
GV
SS
SV
11 - Gas Type (GT)
N - Natural with continuous retry ignition controller
P - Propane with lockout ignition controller
12 - Gas Valve (GV)
1 - Single Stage
2 - Two Stage
4 - Electronic Modulation
5 - Electronic Modulation Master
6 - Electronic Modulation Slave
7 - Electronic Modulation 0-10 Vdc External Input
8 - Electronic Modulation 4-20 mA External Input
13 - Additional Safety Switches (SS)
0 - No Additional Switches
1 - Low Gas Pressure Switch
2 - High Gas Pressure Switch
3 - High & Low Gas Pressure Switch
14 - Supply Voltage (SV)
A - 115/60/1
B - 208/60/1
C - 230/60/1
D - 208/60/3
E - 230/60/3
F - 460/60/3
G - 575/60/3
15 - Transformer (TR)
1 - 40 VA
2 - 75 VA
3 - 150 VA
4 - 250 VA
0 - None
5-564.4
15
TR
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