Gas Characteristics; Btu/Hr Ratings; Canada; Gas Pressure And Orifices - Broaster 2400 Series Installation Manual

GAS CHARACTERISTICS

All gas units are tested using local gas sup-
ply. Your unit may or may not operate cor-
rectly on your type of gas. Therefore, the
unit should be checked and corrected if
necessary. See service manual.
DO NOT attempt to use
any other gas than that
specified on data plate located on the
front panel.

BTU/HR Ratings:

US & Canada:
Cast Iron Burner:
Natural Gas: 100,000 BTU
Propane: 100,000 BTU
Tubular Steel Burner
Natural Gas: 95,000 BTU
Propane: 95,000 BTU
EU:
G20: 26.4 kW net
G31: 26.4 kW net

Gas Pressure and Orifices:

• If adjustment of the regulator does not
deliver the correct BTU per hour or if
another type of gas is to be used, con-
tact your local gas supply company for
correct gas pressure and orifice sizing.
Maximum gas supply line pressure:
Natural (G20) Gas: 7" wc (17.4mbar)
Propane (G31) Gas: 14" wc (34.9
mbar)
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Manifold pressure at test fitting:
Cast Iron Burner:
Natural (G20) Gas: 4.0"wc (9.9 mbar)
Propane (G31) Gas: 10.0"wc (24.9
mbar)
Tubular Steel Burner:
Natural (G20) Gas: 3.5"wc (8.7 mbar)
Propane (G31) Gas: 10.0"wc (24.9
mbar)
Main burner orifice size:
Natural (G20) Gas: #14 (4.50mm)
Propane (G31) Gas: #32 (2.87mm)
Pilot burner orifice size:
Natural (G20) Gas: .018 (.46mm)
Propane (G31) Gas: .011 (.27mm)