57
11.1 Beginning of Each Heating Season
• Check boiler area is free from combustible materials,
liquids.
• Visually inspect combustion air and vent piping
for proper operation. Check for and remove any
gases. Immediately repair or replace pipe showing
deterioration or leakage. Reassemble per instructions
in section 5. Ensure proper reassembly and resealing
of system.
• Visually inspect condensate drain line for proper
operation. Checking for deteriorated or plugged
condensate drain line. Verify condensate trap drains
freely and clean as required.
• Test safety relief valve for proper operation. Refer to
valve manufacturer's instructions packaged with relief
valve.
• Examine heat exchanger, burner, condensate lines, and
clean (if necessary) by following instructions in section
11.3 - Component Replacement And Cleaning.
CAUTION
Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation.
!!
DANGER
boiler at service switch. Close manual gas valve
to turn gas supply OFF to boiler. Failure to
comply will result in death or serious injury.
!
Note
V
erify proper operation after servicing.
Note
Perform regular service and maintenance
every 12 months to assure safe, trouble
• Circulator pump and combustion air blower motor
furnished with boiler are permanently lubricated from
factory and require no further lubrication. Lubricate
pump and/or motor manufacturer’s instruction.
• Check following components are operating properly
and are free of blockages or obstructions:
• air vent;
• check venturi air inlet for blockage and clean as
required;
• verify pressure test port cap and combustion test
port caps are in place;
• verify supply and return sensors are properly
clipped to pipes as close to heat exchanger as
possible;
• Check boiler for any sign of leaks.
•
installed).
• Check operation by pressing test button on low
• "Low Water" LED on the external LWCO should
illuminate and boiler should shut down.
•
after cleaning.
•
•
should be fully illuminated.
• Check heating system expansion tank.
Note
A Heat Exchanger cleaning kit is available
for annual service of the boiler. See repair
parts manual for part number.
11 - GENERAL MAINTENANCE AND CLEANING
240013375 REV A, [07/01/2021]
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