Weil-mclain CGa User Manual download pdf (Page 6)

CGa, CGi, CGs, EG, EGH, LGB, PEG, PFG Boilers

Part Number 550-110-592/0408

Maintain boiler using schedule below

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

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.

Service technician

(covered in Boiler Manual — for use only by a

qualified service technician)

Owner maintenance

(see following pages for instructions)

ANNNUAL START-UP

Inspect:

• 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

Service:

• Oiled-bearing circulators

Start-up:

• Perform start-up per manual

Check/test:

• Gas piping

• Cold fill and operating pressures

• Air vents and air elimination

• Limit controls and cutoffs

• Expansion tank

• Boiler relief valve

Review:

• Review with owner

Daily

• Check boiler area

• Check air openings

• Check boiler pressure/

temperature gauge

Monthly

• Check boiler interior piping

• Check venting system

• Check air vents

• 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

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Weil-mclain CGa User Manual Page 6

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