Buderus Condensing gas boiler Instructions Manual
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Buderus Condensing gas boiler Instructions Manual

Condensing gas boiler
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Propane Conversion kit
instructions
Logamax plus
GB162-80 kW
GB162-100 kW
GB 162-L.B. 80kW
GB 162-L.B. 100kW
Required Input Rates
Logamax plus GB162-(L.B)80 kW
270,000 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
Condensing gas boiler
Logamx plus GB162-(L.B.)100 kW
315,000 btu/hr
For the contractor
Please read these instruc-
tions carefully

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Summary of Contents for Buderus Condensing gas boiler

  • Page 1 Propane Conversion kit Condensing gas boiler instructions 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...

  • Page 2: Table Of Contents

    Contents Contents Safety considerations Application purpose Hazard definitions Observe the following warnings Additional symbols Parts list for converting the boiler to propane Liquid Propane conversion Shut down the boiler Changing the gas valve assembly Testing for gas leaks Inlet gas pressure Checking and adjusting the gas/air ratio Carrying out a tightness test in operating conditions Measuring the CO content...

  • Page 3: Safety Considerations

    Safety considerations Safety considerations For use in Canada the conversion kit shall be carried out Observe the following warnings in accordance with the requirements of the provincial DANGER: authorities having jurisdiction and in accordance with the requirements of the CAN/CGA-B149.1 and due to explosion of gas.

  • Page 4: Parts List For Converting The Boiler To Propane

    Parts list for converting the boiler to propane Parts list for converting the boiler to propane Conversion kit propane for the GB162-80 kW/100 kW # 7746900499 includes: • assembly # 774601703A 1 × – gas valve propane – venturi – orifice # 774600958A •...

  • Page 5: Liquid Propane Conversion

    Liquid Propane conversion Liquid Propane conversion To convert the boiler to liquid propane, the following Changing the gas valve assembly instructions must be adhered to: B Loosen the screw connection on the gas valve (Æ fig. 3, [1]) and pull the plugs (Æ fig. 3, [2]) from the DANGER: Risk of explosion.
  • Page 6 Liquid Propane conversion B Loosen both retaining clips on the burner cover B Take the gas valve and venturi from the conversion kit (Æ fig. 6). # 7746900499. B If the boiler is installed above 8,000 ft (2,440 m). altitude, the orifice needs to be changed. Follow the instructions below.

  • Page 7: Testing For Gas Leaks

    Liquid Propane conversion – Install a new O-ring (Æ fig. 11). 6720615033-015.1TD 6720615033-012.1TD Fig. 14 Installing a new seal on the gas pipe Fig. 11 Placing a new O-ring on the gas valve B Replace the seal from the gas pipe with a new seal –...

  • Page 8: Inlet Gas Pressure

    Liquid Propane conversion DANGER: Risk of explosion B Check for leaks before working on gas- carrying components. CAUTION: due to a short circuit. B Cover damageable parts before leak testing. B Do not spray the leak detection agent onto cables, plugs or electrical connection lines.

  • Page 9: Checking And Adjusting The Gas/Air Ratio

    Liquid Propane conversion B Adjust the gas/air ratio, if not correct, using the Checking and adjusting the gas/air adjustment screw (Æ fig. 19, [1]). The adjustment ratio screw is located behind the cover screw. B Switch off the boiler using the main switch. B Loosen the screw plug on the measuring nipple for the burner pressure by 2 rotations (Æ...

  • Page 10: Lighting Instructions

    Liquid Propane conversion B Establish and resolve the cause. The boiler must be operational when you do this. 6720615033-021.1TD Fig. 20 Measuring the CO content Lighting Instructions For your safety, read before lighting. DANGER: What to do if you smell gas: B No open fire! Do not smoke! B Avoid formation of sparks! Do not touch any electric switch, phone, electric plug or...

  • Page 11: Operating Instructions

    Operating Instructions Operating Instructions Start up the boiler STOP! Read the safety precautions on page 10 of this manual. B Wait 5 minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP and see the safety information on page 10.

This manual is also suitable for:

Logamax plus gb162Logamax plus gb162-l.b.

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