®
Modu-Fire
Gas-Fired Boiler
4. Turn power switch on. If a red warning indica-
tor is illuminated, see call for factory-trained
personnel to troubleshoot the problem and im-
plement corrective action. Wait five minutes
before attempting to reset 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.
If overheating occurs or the gas supply fails to shut
off, do not turn off or disconnect the electrical sup-
ply to the pump. Instead, shut off the gas supply at
a location external to the boiler.
4.3 T
B
YPICAL
OILER
Input
Model
Rating
No.
(Btu/hr)
1000
1,000,000
1500
1,500,000
2000
2,000,000
23
Operation
O
C
PERATING
ONDITIONS
Natural Gas
(1030 Btu/cu. Ft.)
Gas
Output
Rate
Capacity
(CFH)
(Btu/Hr.)
971
850,000
1,456
1,275,000
1,942
1,700,000