Patterson-Kelley MACH Series, Инструкция по установке и эксплуатации

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MACH® Series Gas-Fired Boiler Operation
Page 28
WARNING!
If overheating occurs or the gas supply fails to
shut off, do not turn off or disconnect the
electrical supply to the pump. Instead, shut off
the gas supply at a location external to the boiler.
4.3 T
YPICAL
B
OILER
O
PERATING
C
ONDITIONS
Natural Gas
*(1030 Btu/cu. ft.)
LP Gas
**(2500 Btu/cu. ft.)
Model
Number
Input
Rating
(Btu/hr)
Gas Rate
(CFH)
Output
Capacity
(Btu/hr)
Gas Rate
(CFH)
Output
Capacity
(Btu/hr)
Total
Amperage
300 300,000 291* 275,000 120** 275,000 8 amps or less
450 450,000 437* 414,000 180** 414,000 8 amps or less
Note: The heat exchanger is constructed and stamped for 50 psig maximum operating pressure and/or 200º F
maximum temperature.