Lochinvar 286 Boiler User Manual


 
2 Maintenance schedule
5
Service technician
(see the Outdoor Knight Boiler Service Manual)
General:
• Reported problems
• 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
• Check control settings
Ignition and flame sense electrodes
(sand off any deposits; clean and
reposition)
• Wiring and connections
Perform start-up checkout and
performance verification per Section 7
in the Outdoor Knight Installation and
Operation Manual.
• Flame inspection (stable, uniform)
• Flame signal (at least 4 mA)
Clean the heat exchanger if flue
temperature is more than 54°F 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
Owner maintenance
(see pages 6 - 8 for detailed instructions)
Daily
• Check boiler area
Check pressure/temperature
gauge
Monthly
• Check vent piping
• Check air piping
• Check air and vent termination
screens
• Check relief valve
• Check condensate drain system
Check air vents
Periodically
• Test low water cutoff (if used)
• Reset button (low water cutoff)
Every
6 months
Check boiler piping (gas and
water) for leaks
• Operate relief valve
End
of season
months
Shut boiler down (unless boiler
used for domestic hot water)
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 boiler or system,
resulting in severe personal injury, death, or substantial property damage.
ANNUAL START-UP
Outdoor Knight Boiler User’s Information Manual