Normal Shut Down Procedures; Emergency Shut Off; Typical Boiler Operating Conditions - Patterson-Kelley Thermific Installation & Owner's Manual

®
Thermific Gas-Fired Boiler

4.2.2 Normal Shut Down Procedures

1. Close all manual gas valves.
2. Turn off electric power.

4.2.3 Emergency Shut Off

Main and pilot gas cocks should be closed immedi-
ately if an emergency situation occurs; see Section
4.2.1 for the location of the gas cocks.
4.3 T B O
YPICAL OILER
Model
Number
700
1000
1200
1500 max
min
1700 max
min
2000 max
min
C
PERATING ONDITIONS
Input
Rating (1030 Btu/cu. ft.)
(Btu/hr)
Gas Rate
(CFH)
700,000 680
1,000,000 971
1,200,000 1,165
1,500,000 1,456
900,000 874
1,700,000 1,650
1,020,000 990
2,000,000 1,942
1,200,000 1,165
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 loca-
tion external to the boiler.
Natural Gas
Manifold Output
Pressure* Capacity
(in W.C.) (Btu/hr)
1.4 595,000
1.9 850,000
2.4 1,020,000
2.2 1,275,000
765,000
1.7 1,445,000
867,000
2.3 1,700,000
1,020,000
Page 20
LP Gas
(2500 Btu/cu. ft.)
Gas Manifold
Rate Pressure* Capacity
(CFH) (in W.C.) (Btu/hr)
278 3.5
397 4.4
476 4.2 1,044,000
595 2.8 1,305,000
357
674 2.1 1,479,000
404
793 2.7 1,740,000
476 1,044,000
Operation
Total
Amper-
age
Output
(amps)
609,000 8
870,000 8
9
12
783,000 12
12
887,400 12
12
12