Service Technician; Owner Maintenance - Weil-McLain CGi User's Information Manual

Maintain boiler using schedule below
(covered in Boiler Manual — for use only by a
Inspect:
Service:
Start-up:
Check/test:
Review:
Tankless water heater (EG and EGH
only)
If boiler is used to supply domestic hot water, limit
control should be set to supply adequate hot water.
Weil-McLain tankless heaters are rated at 200 °F boiler
water temperature. To get rated output, set low limit at
200 °F. Limit can be adjusted to meet system hot water
6

Service technician

qualified service technician)
• Reported problems
• Boiler area
• Air openings
• Flue gas vent system
• Pilot and main burner flames
• Water piping
• Boiler heating surfaces
• Burners, base and inlet air box
• Oiled-bearing circulators
• Perform start-up per manual
• Gas piping
• Cold fill and operating pressures
• Air vents and air elimination
• Limit controls and cutoffs
• Expansion tank
• Boiler relief valve
• Review with owner

Owner maintenance

(see following pages for instructions)
• Check boiler area
• Check air openings
Daily
• Check boiler pressure/
temperature gauge
• Check boiler interior piping
• Check venting system
• Check air vents
Monthly
• Check boiler relief valve
• Check automatic air vents (if
used)
Periodically • Test low water cutoff (if used)
Every 6 months • Operate relief valve
End of season • Shut down procedure
requirements. Differential can be set to 15 ° and adjusted
to control level. Lowering the differential will cause a
slight variation in water temperature but will decrease
burner on-off cycling. High limit should be set at least
20 ° above low limit.
Part Number 550-110-592/1000