8
Maintenance
(continued)
55
Installation & Service Manual
Follow the service and maintenance procedures given throughout this manual and in component literature
shipped with the appliance. Failure to perform the service and maintenance could result in damage to the
appliance or system. Failure to follow the directions in this manual and component literature could result in
severe personal injury, death, or substantial property damage.
The appliance should be inspected annually only by a qualified service technician. In addition, the
maintenance and care of the appliance designated in Table 8A and explained on the following pages must be
performed to assure maximum appliance efficiency and reliability. Failure to service and maintain the
appliance and system could result in equipment failure.
Electrical shock hazard – Turn off power to the appliance before any service operation on the appliance except
as noted otherwise in this instruction manual. Failure to turn off electrical power could result in electrical
shock, causing severe personal injury or death.
Address reported problems
1.
Inspect any problems reported by the owner and correct
before proceeding.
Inspect appliance area
1.
Verify that appliance area is free of any combustible
materials, gasoline and other flammable vapors and
liquids.
Inspect appliance interior
1.
Remove the outer access panels and inspect the interior of
the appliance.
2.
Vacuum any sediment from inside the appliance and
components. Remove any obstructions.
Eliminate all system or appliance leaks.
Continual fresh makeup water will reduce
appliance life. Minerals can build up in
sections, reducing heat transfer,
overheating heat exchanger, and causing
heat exchanger failure. Leaking water may
also cause severe property damage.
1.
Inspect all water and gas piping and verify to be leak free.
2.
Look for signs of leaking lines and correct any problems
found.
3.
Check gas line using the procedure found in
Section 3 -
Gas Connections
.
Check all piping for leaks
WARNING
WARNING
WARNING
WARNING
CAUTION
Label all wires prior to dis con nec tion when servicing controls. Wiring errors can cause improp er and
dangerous operation.
Listed below are items that must be checked to en sure safe
reliable operation. Verify proper op er a tion after servicing.
Flue vent system
1.
Examine the venting system at least once a year. Check
more often in the first year to de ter mine in spec tion interval.
Check all joints and pipe connections for tightness,
corrosion or deterioration. Clean louvers and/or screens in
the combustion air intake system as required. Have the
entire system, including the venting system, periodically
inspected by a qualified service agency.
Check water system
1.
Verify all system components are correctly installed and
operational.
2.
Check the cold fill pressure for the system. Verify it is
correct (must be a minimum of 12 PSI).
3.
Watch the system pressure as the boiler heats up (during
testing) to ensure pressure does not rise too high. Excessive
pressure rise indicates expansion tank sizing or
performance problem.
4.
Inspect automatic air vents and air separators. Remove air
vent caps and briefly press push valve to flush vent. Replace
caps. Make sure vents do not leak. Replace any leaking
vents.
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