Weil-McLain CGA 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 550-110-592/1099

Gas-Fired Boilers

CGa, CGi, CGs, EG,

EGH, LGB, PEG, PFG

User’s

Information

Manual

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Do you have a question about the Weil-McLain CGA and is the answer not in the manual?

Weil-McLain CGA Specifications

General

Model	CGA
Fuel Type	Natural Gas or Propane
Heat Exchanger Material	Cast Iron
Operating Pressure	30 PSI
Water Content	Varies by model
Weight	Varies by model
Input MBH	70-399 MBH

Summary

General Safety Information

Installer Instructions

Please take time to review this User's Information Manual with the boiler owner.

What to Do If You Smell Gas

Immediate actions and calls required if a gas leak is detected.

Boiler Maintenance and Service

Annual Start-Up by Service Technician

Inspection and service tasks performed by a qualified technician.

Owner Maintenance Tasks

Routine daily, monthly, and periodic checks for the owner.

Important Safety Precautions

Air Contamination Hazards

Lists contaminants and areas to avoid for boiler safety.

Boiler Water Precautions

Warnings against using certain compounds and additives in boiler water.

Boiler Component Identification

CGa, CGi, CGs Components

Diagrams and parts lists for CGa, CGi, and CGs models.

EG/EGH, PFG, LGB Components

Diagrams and parts lists for EG/EGH, PFG, and LGB models.

Maintenance Schedules and Checks

Annual Service Checklist

Tasks for technician during annual boiler start-up inspection.

Owner's Routine Checks

Daily, monthly, and periodic checks for owners.

User Maintenance Procedures

Boiler Servicing Requirements

Annual inspection and maintenance by a qualified technician.

Specific Component Checks

Rollout thermal fuse and spill switch information.

Routine Boiler Checks

Daily & Monthly Checks

Pressure gauge, air openings, piping, and venting system checks.

Monthly Checks

Pilot flame, air vents, vent termination, and condensate drain checks.

Periodic Service Procedures

Testing Low Water Cutoff

Procedure for testing float and probe type low water cutoffs.

Gauge Glass & Relief Valve Procedures

Gauge glass cleaning and relief valve testing procedures.

Shutdown and Lighting Guide

End-of-Season Shutdown Procedure

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

Propane Gas Odorant Safety

Information and precautions regarding propane gas odor.

Gas Valve Lighting Instructions

Table to find specific lighting instructions by gas valve model.

Specific Lighting and Operation Procedures

Honeywell VR8200/VR8300

Safety and pilot lighting steps for this gas valve.

Robertshaw 7200

Safety and pilot lighting steps for this gas valve.