Installation & Service Manual

8Maintenance and annual startup

Table 8A_Service and Maintenance Schedules

Service technician

(see the following pages for instructions)

 

General:

 

 

 

 

• Address reported problems

 

• Inspect

interior;

clean and vacuum if

 

 

necessary;

 

 

 

Check for leaks (water, gas, flue)

 

• Examine venting system

 

• Check system

water

pressure/system

 

 

piping/expansion tank

 

 

Check control settings

 

 

• Check wiring and connections

 

Flame inspection (stable, uniform)

 

• Check flue gas passageways

Startup

• Inspect and clean the burner

• Perform

start-up

checkout and

 

 

 

performance verification per Section 6 -

Annual

 

Start-up.

 

 

 

If

combustion

or

performance

 

 

indicate need:

 

 

 

• Clean heat exchanger

 

 

• Remove and wash burner

 

 

 

 

 

 

Owner maintenance

(see the User’s Information Manual for instructions)

 

• Check appliance area

 

• Check pressure/temperature

 

gauge

 

 

Daily

 

 

 

 

 

 

Monthly

• Check vent piping

 

 

 

 

 

• Check relief valve

 

 

 

Periodically

• Test low water cutoff (if used)

 

 

 

 

• Reset button (low water cutoff)

 

 

Every

• Check appliance piping (gas and

water) for leaks

 

 

 

6 months

 

 

 

 

• Operate relief valve

 

 

 

 

End

•Shut

appliance

down (unless

boiler

used for

domestic hot

 

of season

water)

 

 

months

 

 

 

 

 

 

 

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Lochinvar 500, 90 service manual Maintenance and annual startup, Service technician, Owner maintenance