Lochinvar 502 - Manual (Page 5)

1
Maintenance schedule
User’s Information Manual
5
ƽ 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 appliance or system, resulting
in severe personal injury, death, or substantial property damage.
Service technician
(see the Power-fin Service Manual for instructions)
General:
• Address reported problems
• Inspect interior; clean and vacuum if
necessary;
• Inspect condensate system and flush with
fresh water
• Check for leaks (water, gas, flue,
condensate)
• Examine venting system
• Check system water pressure/system
piping/expansion tank
• Check control settings
• Check igniter
• 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 7
in the Power-fin Installation and Operation
Manual.
If combustion or performance
indicate need:
• Clean heat exchanger
• Remove and clean burner using
compressed air only
• Clean the blower wheel
ANNUAL
ST
ART
-UP
Owner maintenance
(see the following pages for instructions)
Daily
• Check appliance area
• Check pressure/temperature
gauge
Monthly
• Check vent piping
• Check air piping
• Check relief valve
• Check condensate drain system
Periodically
• Test low water cutoff (if used)
• Reset button (low water cutoff)
Every
6 months
• Check appliance piping (gas and
water) for leaks
• Operate relief valve
End
of season
months
• Shut appliance down (unless
boiler used for domestic hot
water)