Boiler Manual - Weil-McLain

GV90+ gas-fired water boiler — Boiler ManualAnnual start-up and general maintenance scheduleFigure 77 Service and maintenance schedulesService technician(see following pages for instructions)Owner maintenance(see following pages for instructions)General:• Address reported problems, page 68.• Inspect boiler area, page 68.• Inspect boiler interior, page 68.• Inspect condensate drain system, page 68.Daily• Check boiler area• Check air openings• Check pressure gauge• Inspect all piping for leaks, page 68.• Inspect gas piping, page 68.• Inspect the water system, page 68.• Check water system chemistry, page 68• Inspect expansion tank, page 69.• Inspect air openings, page 69.• Inspect vent system and air piping,page 69.Monthly• Check boiler interior piping• Check venting system• Check air vents• Check condensate drain system• Check relief valveAnnnual start-up• Inspect boiler heating surfaces, page 69.• Inspect igniter, page 69.• Inspect recuperator, page 70.• Inspect temperature mixing system,page 70.• Inspect limit controls and cutoffs, page 70.• Inspect gauges, page 70.• Inspect blower motor, page 70.• Inspect oiled-bearing circulators, page 70.Periodically• Test low water cutoff (if used)• Clean vent termination/air intakescreens• Inspect boiler relief valve, page 71.Additional if combustion orperformance indicates the need:Every 6 months• Oil blower motor• Operate relief valve• Follow procedures under Cleaning boilerheating surfaces, page 72 to access boilercomponents listed below.• Clean heat exchanger.• Remove and clean burner usingcompressed air only.• Vacuum the blower.End of season• Shut down procedureReview:• Review with owner.The boiler contains ceramic fiberand fiberglass materials. Use carewhen handling these materials perinstructions on page 107 of thismanual. Failure to comply couldresult in severe personal injury.Follow the Service and maintenance procedures given throughoutthis manual and in component literature shipped with the boiler.Failure to perform the service and maintenance could result indamage to the boiler or system. Failure to follow the directionsin this manual and component literature could result in severepersonal injury, death or substantial property damage.Part number 550-142-054/1211 67