Buderus Condensing gas boiler User Manual

For the contractor
Please read these instruc-
tions carefully
Propane Conversion kit
instructions
Condensing gas boiler
Logamax plus
Required Input Rates
Logamax plus GB162-(L.B)80 kW Logamx plus GB162-(L.B.)100 kW
270,000 btu/hr 315,000 btu/hr
This kit and instructions are for converting the GB162 model
boilers from Natural Gas to Liquid Propane.
WARNING!
This conversion kit shall be installed 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
damage, personal injury or death. The qualified service agency
is responsible for the proper installation of this kit.
The installation is not proper and complete until the operation of
the converted boiler is checked as specified in the manufacturer‘s
instructions supplied with the kit.
CAUTION!
The gas supply shall be shut off prior to disconnecting the
electrical power, before proceeding with the conversion.
Notice! Save these instructions for later use.
6720615152-001.1TD
GB162-80 kW
GB162-100 kW
GB 162-L.B. 80kW
GB 162-L.B. 100kW
6 720 615 033 (11/2010) US/CA

Buderus Condensing gas boiler Specifications

General

Brand	Buderus
Model	Condensing gas boiler
Category	Boiler
Language	English

Summary

Safety considerations

Application purpose

Specifies the kit's use for converting boilers from Natural Gas to Liquid Propane.

Hazard definitions

Explains defined terms used to highlight hazards and their risk levels.

Observe the following warnings

Lists critical safety instructions regarding gas explosion and electric shock hazards.

Additional symbols

Details symbols used in the document and their corresponding functions.

Parts list for converting the boiler to propane

Liquid Propane conversion

Shut down the boiler

Provides steps to safely power down the boiler before proceeding with conversion.

Changing the gas valve assembly

Details the initial steps for removing and replacing the gas valve assembly.

Orifice and Venturi Replacement

Instructions for changing the gas orifice and venturi based on boiler altitude.

Gas Flange Installation

Details on installing the gas flange and its seal onto the new gas valve.

Testing for gas leaks

Procedures for checking for gas leaks after conversion.

Inlet gas pressure

Explains how to measure and what the required inlet gas pressure for LPG is.

Checking and adjusting the gas/air ratio

Details on how to check and adjust the gas/air mixture for optimal performance.

Carrying out a tightness test in operating conditions

Procedure for checking burner gas circuit joints for leaks during operation.

Measuring the CO content

Instructions for measuring carbon monoxide levels and interpreting results.

Lighting Instructions

Safety precautions and steps for lighting the boiler.

Operating Instructions

Start up the boiler

Steps to safely start the converted boiler after installation.