Table of Contents
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User Manual
WARNING
!
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. Do not store or use gasoline or
other flammable vapors and liquids in the vicinity of this or any other appliance.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any telephone in your building.
• Immediately call your gas supplier from a neighbor's telephone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the fire department.
• Installation & service must be performed by a qualified installer, service technician or the gas
supplier.
INSTALLER:
Please take time to review this User Manual with the boiler
owner. Explain all maintenance and service procedures and
the correct operating instructions.
— WHAT TO DO IF YOU SMELL GAS —
CGa
Series 3
CGi
Series 4
EG
Series 5
PEG
Series 5
LGB
Series 3
Gas-Fired Boilers
Manual Part Number 550-142-301/0123
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Table of Contents
Related Manuals for Weil-McLain LGB Series
Summarization of Contents
How to Use This Manual
Learn precautions
Guidance on how to effectively use the manual for optimal understanding.
SECTION 1 Safety
Safety Signals and Definitions
Explanation of hazard warning symbols and terms used throughout the manual.
Please Read Before Proceeding
Critical safety information and warnings that must be reviewed before operating the boiler.
Boiler Maintenance Safety
Essential safety precautions related to boiler upkeep and servicing procedures.
Safe Boiler Operation Practices
Guidelines for operating the boiler safely and preventing potential hazards.
Water-Related Safety Hazards
Warnings and precautions concerning water damage, contact, and associated risks.
SECTION 2 Operation
Operating the Boiler
General instructions for starting and running the boiler.
Prevent Combustion Air Contamination
Instructions on ensuring clean air for proper boiler combustion.
General Operating Instructions
Step-by-step guide for the overall operation of the boiler system.
CGa, EG, PEG Operating Instructions
Specific startup and operation procedures for CGa, EG, and PEG boiler models.
CGa, EG, PEG Specific Operating Instructions
Detailed operation steps for particular CGa, EG, and PEG series models.
CGa, EG, PEG Series Operating Instructions
Operation guidelines for specific CGa, EG, and PEG series boiler models.
CGa, EG, PEG Model Operation
Operational procedures for distinct CGa, EG, and PEG series boiler models.
CGi Model Operation
Specific instructions for operating the CGi boiler model.
LGB Model Operation
Specific instructions for operating the LGB boiler model.
Troubleshooting Common Issues
Common Issues and Solutions
A table listing common symptoms, their causes, and recommended corrective actions.
SECTION 3 Maintenance
Maintenance Overview and Schedule
Summary of boiler maintenance requirements and the service schedule.
Servicing and Maintaining the Boiler
Guidance on annual inspection and service by qualified technicians for optimal performance.
Boiler Components Identification
Diagrams and descriptions to identify various boiler parts and their functions.
Daily Maintenance Procedures
Tasks to be performed on a daily basis to ensure proper boiler operation.
Monthly Maintenance Procedures
Tasks to be performed monthly for routine boiler upkeep and system checks.
Periodically Maintenance Procedures
Tasks to be performed at regular, non-daily intervals for boiler maintenance.
Every 6 Months Maintenance Procedures
Tasks to be performed every six months for comprehensive boiler servicing.
End of Season Maintenance Procedures
Steps for safely shutting down the boiler at the end of the heating season.
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