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Weekly Maintenance - Dunkirk D249 Series User's Information Manual

Gas fired steam heating boiler
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!
WARNING
Burn and scald hazard. Discharge of water, vapor
and steam may scald. Failure to follow these
instructions could result in death or serious injury.
Before the beginning of each heating season have a
qualified agency check and clean the boiler.
Check for the following:
1.
Flue ways for dirt and scale.
2.
Venting flue connectors for plugging, sagging, rust
through and solid joints.
3.
Burners and pilot for proper flame and operation.
4.
Gas piping for leaks.
5.
Operation of electronics and wiring condition.
6.
Functionality of low water cutoff (steam).
7.
Functionality of Pressure Control.
8.
Water pump oiling (See manufacturer's manual).
9.
Safety relief valve or safety valve.
10.
Blow down.
11.
Air vents on steam heaters.
12.
Operation of other custom system components.
13.
Purge air from water systems.
14.
Clean and Flush steam systems, if required, and fill to
proper level. (See Figure #3)
GENERAL INSTRUCTIONS
Burn and scald hazard. Discharge of water, vapor
and steam may scald. Water and steam are under
pressure, open all valves slowly. Failure to follow
these instructions could result in death or serious
injury.
Perform general housekeeping and maintenance as speci-
fied below.

Weekly Maintenance

• Boilers are equipped with safety valve (steam).
Refer to manufacture's instructions for operation and
maintenance.
• If valve leaks steam when boiler is operating at normal
pressure it must be replaced. Contact qualified service
agent to replace or repair.
• On steam boilers with manual low water cut-off valves,
open purge valve until water flows clear. See Figure# 3.
Annually or Beginning of Each Heating Season
• Contact qualified agency to perform maintenance and
cleaning per Installation, Operation and Maintenance
manual.
• Inspection will include examining all flue product
carrying areas, vent system, burner and heat
exchanger.
• Filling the boiler if drained as part of End of Heating
Season procedure and blowing down the boiler.
4
!
WARNING

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