Lochinvar 5 Maintenance Maintenance and annual startup, Service technician, Owner maintenance

Installation & Operation Manual

11 Maintenance Maintenance and annual startup

Table 11A Service and Maintenance Schedules

Service technician

(see the following pages for instructions)

	General:
	• Address reported problems, if any
	• Inspect interior; clean and vacuum if
	necessary;
	• Clean condensate trap and fill with fresh
	water
	• Check	for	leaks (water,		gas,	flue,
	condensate)
	• Verify flue and air lines in good condition
	and sealed tight
	• Check	system water		pressure/system
	piping/expansion tank
UP	• Check control settings
	• Check ignition and flame sense
-	electrodes (sand off any deposits; clean
START	and reposition)
ANNUAL	• Check wiring and connections
	• Perform		start-up	checkout		and
	performance verification per Section 9.
	• 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.
	• Test	low	water	flow	conditions
	(reference the SYNC Service Manual).

If combustion or performance indicate need:

•Clean heat exchanger

•Remove and clean burner using compressed air only

•Clean the blower wheel

Owner maintenance

(see the SYNC User’s Information Manual for

instructions)

	• Check boiler area
Daily	• Check pressure/temperature
	gauge

	• Check vent piping
	• Check air piping
Monthly	• Check air and vent termination
	screens
	• Check relief valve
	• Check condensate drain system
	• Check automatic air vents
	• Test low water cutoff
Every	• Reset button (low water cutoff)
6 months	• Check boiler piping (gas and
	water) for leaks
	• Operate relief valve

End	• Shut boiler down (unless boiler
of season	used for domestic hot water)
months

57