Weil-McLain CGi User Manual (English)

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Do not store or use gasoline or other flammable vapors and liquids in the

vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in your

building.

• Immediately call your gas supplier from a neighbor’s phone. Follow

the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service

technician or the gas supplier.

If the information in this manual is not followed exactly, a fire or

explosion may result, causing property damage, personal injury or

loss of life.

Part Number 550-110-592/1000

Gas-Fired Boilers

CGa, CGi, CGs, EG,

EGH, LGB, PEG, PFG

User’s

Information

Manual

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Manual72 pages

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Weil-McLain CGi Specifications

General

Model	CGi
Fuel Type	Natural Gas or Propane
Ignition Type	Electronic
Heat Exchanger Material	Cast Iron
Dimensions	Varies by model
Boiler Type	Cast Iron
Water Content	Varies by model
Vent Diameter	4 inches
Weight	Varies by model
Vent Type	Chimney
Input Range	50 - 399 MBH

Summary

Hazard definitions

Boiler service and maintenance

Boiler components

Maintain boiler using schedule below

Owner maintenance

Owner maintenance tasks and schedule for boiler upkeep.

User maintenance procedures

Component information

Details on specific boiler components for maintenance.

Check daily

Daily checks for boiler safety and operation.

Daily checks

Pressure/temperature gauge or pressure gauge (steam)

How to read and interpret boiler pressure gauges.

Air openings

Verifying proper air intake and ventilation.

Monthly checks

Boiler piping

Inspecting boiler piping for leaks and integrity.

Venting system

Checking the flue gas venting system for blockages or leaks.

Boiler relief valve

Inspecting the boiler relief valve for proper operation.

Additional monthly checks

Automatic air vents (if used)

Checking the function of automatic air vents.

Pilot burner flame

Proper and improper pilot burner flame characteristics.

Main burner flame

Proper and improper main burner flame characteristics.

Clean vent termination & air intake screens

Cleaning intake and exhaust screens on CGs boilers.

Check condensate drain system

Verifying the condensate drain system is clear.

Service periodically

Test low water cutoff (all steam boilers) (water boilers, if installed)

Testing the low water cutoff device for proper function.

Clean gauge glass

Service every 6 months

Operate boiler relief valve

Operating the boiler relief valve to test its function.

End-of-season shutdown

Follow boiler shutdown procedure

Steps to properly shut down the boiler at the end of the season.

Propane gas odorant

Safety precautions regarding propane gas odor and leak detection.

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