Lochinvar 400, 801 service manual Maintenance schedule Service technician, Owner maintenance

2 Maintenance schedule

Service technician

(see the following pages for instructions)

	General:
	• Address reported problems
	• Inspect interior; clean and vacuum if
	necessary;
	• Clean condensate trap and fill with fresh
	water
	• Check	for leaks (water, gas, flue,
	condensate)
UP-	• Verify flue and air passage ways in good
	condition and sealed tight
START	• Check	system	water	pressure/system
	piping/expansion tank
	• Check control settings
ANNUAL	• Check	ignition	and	flame sense
	electrodes (sand off any deposits; clean
	and reposition)
	• Check wiring and connections
	• Perform start-up checkout and
	performance verification per Section 10.
	• Flame inspection (stable, uniform)
	• Flame signal (at least 10 microamps at
	high fire)
	• Clean the heat exchanger if flue
	temperature is more than 54°F (30°C)
	above return water temperature.

If combustion or performance indicate need:

•Clean heat exchanger

•Remove and clean burner using compressed air only

•Clean the blower wheel

Outdoor Knight XL User’s Information Manual

Owner maintenance

(see the Outdoor Knight XL User’s Information

Manual for instructions)

Daily	• Check boiler area
	• Check pressure/temperature
	gauge
	• Check air and vent termination
Monthly	screens
	• Check relief valve
	• Check condensate drain system
	• Test low water cutoff (if used)
Periodically	• Reset button (low water cutoff)
Every	• Check boiler piping (gas and
	water) for leaks
6 months	• Operate relief valve
End	• Shut boiler down (unless boiler
of season
	used for domestic hot water)
months

￿WARNING

Follow the maintenance procedures given throughout this manual. Failure to perform the service and maintenance or follow the directions in this manual could result in damage to the boiler or system, resulting in severe personal injury, death, or substantial property damage.

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