Lochinvar 402 - 2072 Maintenance Maintenance and annual startup, Service technician, General

Installation & Operation Manual

9 Maintenance

Maintenance and annual startup

Table 9A_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,
		condensate)
	• Examine venting system
UP-	• Check system water pressure/system
		piping/expansion tank
START
	•	Check control settings
	•	Check igniter
ANNUAL	• Check wiring and connections
	• Check flue gas passageways
	•	Flame inspection (stable, uniform)
	• Inspect and clean the burner
	• Check manifold gas pressure
	• Perform		start-up checkout and
		performance verification per Section 6 in
		the Copper-fin II Installation and
		Operation Manual.

If combustion or performance indicate need:

•Clean heat exchanger with a stiff bristle brush

•Remove and clean burners using water. Dry before re-assembling.

•Clean the blower wheel with a brush and vacuum. Do not let dirt from cleaning get pulled into the blower.

Owner maintenance

(see the Copper-fin II User’s Information Manual for

instructions)

	• Check appliance area
	• Check pressure/temperature
Daily	gauge

	• Check vent piping
	• Check air piping
Monthly	• Check relief valve
	• Replace combustion air filter
	Note: More frequent replacement may
	be necessary in dirty environments.
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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