Lochinvar 500, 90 8Maintenance and annual startup, Service technician, Owner maintenance, General

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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