Chapter 2 Profire V Burner
2-54 750-177
NOx, etc.)
2. Standard voltage for Canadian application is 575/3/60.
3. Burner operation is Full Modulation on Elit
e Series and for the Econo series Low-High-Low for units 150 - 600 and mod-
ulated firing on 700 and greater.
4. Burner models shown are for combination gas/oil firing. For straigh
t gas, delete the letter L, and for straight oil, delete the
letter G.
Model FLX Minimum Required Gas Pressure
Model No.
Std. Gas Train Size
(In.) Note
3
Min. Gas Pressure
(in WC) Note 4
Min. Gas Pressure
(in WC) Note 5
Burner Model
FLX-150 1 11.2 12.5 PFVG-15
FLX-200 1 19.4 21.7 PFVG-20
FLX-250 1.5 12.4 15.7 PFVG-25
FLX-300 1.5 15.9 20.7 PFVG-30
FLX-350 1.5 15.5 22.0 PFVG-35
FLX-400 1.5 18.7 27.2 PFVG-40
FLX-450 2 16.0 26.7 PFVG-45
FLX-500 2 17.6 21.0 PFVG-50
FLX-550 2 22.9 27.1 PFVG-55
FLX-600 2 20.0 24.9 PFVG-60
FLX-700 2 25.2 31.9 PFVG-70
FLX-800 2.5 19.9 22.2 PFVG-80
FLX-900 2.5 24.7 27.7 PFVG-90
FLX-1000 2.5 31.6 31.6 PFVG-100
FLX-1100 2.5 37.3 37.3 PFVG-110
FLX-1200 2.5 38.2 38.2 PFVG-120
Notes:
1. Table is based on 1,000 Btu/cu. ft. natural gas and elevation of 1,000 feet.
2. Minimum gas pressure also applies to 200 fuel series.
3. As an option, the standard gas train can be replaced with an oversized design
to reduce inlet gas pressure requirements.
4. Use this column for all U.S. installations.
5. Use this column for all Canadian installations.
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