Buderus Logamax plus GB162-100 kW User Manual

Gas valve replacement
Condensing gas boiler
Logamax plus
GB162-80 kW/100 kW
6 720 615 152 (01/2008) US/CA
For the contractor
Please read these
instructions carefully!
Required Input Rates
This instruction is for replacing the gas valve for the GB162 model
boilers with Natural Gas.
Notice! Save these instructions for later use.
Logamax plus GB162-80 kW
290,000 btu/hr
Logamax plus GB162-100 kW
333,000 btu/hr
WARNING!
Replacement of a gas valve must be done by a qualified service
agency in accordance with the manufacturer's instructions and
all applicable codes and requirements of the authority having
jurisdiction.
The information in these instructions must be followed to
minimize the risk of fire or explosion or to prevent property dam-
age, personal injury or death. The qualified service agency is
responsible for the proper installation of this gas valve.
The installation is not proper and complete until the operation of
the converted boiler is checked as specified in the manufac-
turer’s instructions supplied with the gas valve.
CAUTION!
The gas supply shall be shut off prior to disconnecting the elec-
trical power, before proceeding with the conversion.
Instructions

Buderus Logamax plus GB162-100 kW Specifications

General

Brand	Buderus
Model	Logamax plus GB162-100 kW
Category	Boiler
Language	English

Summary

Safety Considerations

Application Purpose

Describes the intended use of this document for replacing the gas valve.

Hazard Definitions

Explains the meaning of DANGER, WARNING, CAUTION, and NOTICE symbols used in the manual.

Observe Safety Symbols

Details the significance of DANGER, WARNING, CAUTION, and NOTICE symbols for user safety.

Parts List

Gas Valve Replacement Procedures

Shut Down the Boiler

Steps to safely power down the boiler before gas valve replacement.

Changing the Gas Valve Assembly

Instructions for removing the old gas valve and installing a new one.

Testing for Gas Leaks

Procedure to check for gas leaks after installation.

Inlet Gas Pressure Measurement

Guidance on measuring the incoming gas pressure.

Gas/Air Ratio Check and Adjustment

Steps for verifying and adjusting the gas and air mixture.

Tightness Test in Operating Conditions

Performing a leak test while the burner is running.

Carbon Monoxide Content Measurement

Measuring CO levels for proper combustion.

Lighting Instructions

Procedures for safely igniting the boiler after service.

Operating Instructions

Boiler Start-up Procedure

Steps to follow for safely starting up the boiler after replacement.