H. TO SHUT DOWN THE BOILER
1. Open main line power disconnect switch to boiler.
2. Close Main and Pilot gas shut-off valves.
3. To take boiler out of service if the boiler and system
are not to be used when temperatures are below
freezing:
a. Drain the boiler and system completely and shut
off make-up water supply.
b. Open main line power disconnect switch to
boiler. Remove the fuses or secure the switch so
that the power cannot be turned on accidentally.
c. Be certain that the boiler and system are refilled
before returning to service. Follow the
Instructions in this manual and the Lighting
Instructions to operate.
22
INSTALLATION AND OPERATING INSTRUCTIONS
Before servicing the boiler:
• Turn off all electrical power to the boiler.
• Close the Gas Service Valve.
• Allow the boiler to cool if it has been operating.
• Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation. Verify proper
operation after servicing.
CAUTION
Figure 8.1: Pilot and Burner Flames