Annual Startup And General Maintenance - Weil-McLain WM97+70 Manual

WM97+ -
gas fired water boiler

Annual startup and general maintenance

Follow the service and maintenance procedures given throughout this manual and in component literature shipped
with the boiler. Failure to perform the service and maintenance could result in damage to the boiler or system. Failure to
follow the directions in this manual and component literature could result in severe personal injury, death or substantial
property damage.
Service and maintenance schedules
Figure 99
Service technician
(see page numbers indicated for details)
• Address reported problems . . . . . . . . . . . . . . . . . . . 95
• Inspect boiler area . . . . . . . . . . . . . . . . . . . . . . . . 95
• Inspect boiler interior & door gaskets . . . . . . . . . . . . . . 95
• Clean condensate trap. . . . . . . . . . . . . . . . . . . . . . 95
• Check all piping for leaks . . . . . . . . . . . . . . . . . . . . 95
• Check air openings . . . . . . . . . . . . . . . . . . . . . . . 96
• Flue vent system and air piping . . . . . . . . . . . . . . . . . 96
• Check water system . . . . . . . . . . . . . . . . . . . . . . . 96
• Check expansion tank(s) . . . . . . . . . . . . . . . . . . . . . 96
• Inspect ignition electrode . . . . . . . . . . . . . . . . . . . . 96
• Check ignition wiring. . . . . . . . . . . . . . . . . . . . . . . 97
• Check all boiler wiring . . . . . . . . . . . . . . . . . . . . . . 97
• Check control settings . . . . . . . . . . . . . . . . . . . . . . 97
• Perform startup and checks . . . . . . . . . . . . . . . . . . . 97
• Companion Water Heater installations only — verify operation per
CWH manual . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
• Check low water cutoff service light . . . . . . . . . . . . . . . 97
• Check burner flame . . . . . . . . . . . . . . . . . . . . . . . 97
• Check flame signal. . . . . . . . . . . . . . . . . . . . . . . . 97
• Check blower speeds . . . . . . . . . . . . . . . . . . . . . . 98
• Check flue gas temperature . . . . . . . . . . . . . . . . . . . 98
• Check boiler relief valve . . . . . . . . . . . . . . . . . . . . . 99
• Reinstall jacket door after servicing . . . . . . . . . . . . . . . 99
• Review with owner . . . . . . . . . . . . . . . . . . . . . . . . 99
Part number 550-142-085/0712
— Boiler Manual
6 months
Owner maintenance
(see WM97+ User's Information Manual)
• Check boiler area.
• Check air openings.
• Check pressure/
Daily
temperature gauge.
• Verify boiler front door is
securely in place.
• Check vent piping.
• Check air piping.
• Check relief valve.
• Check condensate drain
system.
Monthly
• Check automatic air vents
(if used).
• Verify that domestic hot
water is being supplied
to fixtures at the correct
temperature.
• Check boiler piping (gas
and water)
Every
• Operate relief valve.
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