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Modu-Fire
®
Gas-Fired Boiler Operation
22
4.0 OPERATION
4.1
GENERAL
4.1.1 Control Panel Front
The front of the control panel shows Operating In-
structions and a series of illuminated indicator lights
which show the condition of the boiler.
4.2
LIGHTING AND SHUT-DOWN PROCEDURES
Do not use this boiler if any part has been under wa-
ter. Immediately call factory-trained personnel to
inspect the boiler and to replace any part of the con-
trol system and any gas control which has been un-
der water.
4.2.1 Lighting Procedures
1. Utilities: Turn on electric supply to boiler.
Open gas supply valves. Make sure system is
filled with water and turn on circulation pump.
2. Reset Switches: Press reset button on gas pres-
sure switches (attached to main gas valve at
back of boiler) if gas supply was turned off.
Press control reset button after safety lockout.
3. Set desired limit and operating temperature (in-
side control panel).
Main Gas
Cock
Low Gas
Pressure
Switch
Pilot Gas
Cock
Operating
Instructions
Temperature
Control
Indicator Lights
On-Off Switch
Reset Switch
On-Off Switch
High Gas
Pressure
Switch
Cabinet Air
Pressure
Test
Main Gas
Pressure
Test
Pilot Gas
Pressure
Test