Buderus GB142-60, GB142-45, GB142-30 Instruction
Propane Conversion Kit
Instruction
Condensing gas boiler
GB142-24/30/45/60
7215 0100 (10/2007) US/CA
For the contractor
Please read these
instructions carefully!
Required Input Rates
This kit and instructions are for converting the GB142 model boilers
from Natural Gas to Liquid Propane.
Notice! Save these instructions for later use.
GB142-24
84,800 btu/hr
GB142-30
106,000 btu/hr
GB142-45
160,900 btu/hr
GB142-60
214,800 btu/hr
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.
Contents
GB142-15/24/30/45/60 - We reserve the right to make any changes due to technical modifications!2
Contents 3
1 Safety considerations 3
1.1 Application purpose 3
1.2 Hazard definitions 3
1.3 Observe the following symbols 3
2 Parts list for converting the boiler
to propane 4
3 LP conversion 5
3.1 Testing for gas leaks 6
3.2 Inlet gas pressure 7
3.3 Checking and adjusting the gas/air ratio 8
3.4 Carrying out a tightness test in
operating conditions 9
3.5 Measuring the carbon monoxide
content (CO) 10
3.6 Lighting Instructions 10
4 Operating Instructions 11
1 Safety considerations
GB142-24/30/45/60 - We reserve the right to make any changes due to technical modifications! 3
Contents
1 Safety considerations
For use in Canada the conversion kit shall be carried
out in accordance with the requirements of the provin
cial authorities having jurisdiction and in accordance
with the requirements of the CAN-B149.1 and
CAN1-B149.2 Installation Code. See also E.I.V.
Please observe the following safety instructions.
1.1 Application purpose
This kit and instructions are for converting the GB14224/30/45/60 from Natural gas to Liquid Propane.
1.2 Hazard definitions
The following defined terms are used throughout the
documentation to bring attention to the presence of
hazards of various risk levels. Notices give important
information concerning the operation of the product.
1.3 Observe the following symbols
DANGER
Indicates the presence of hazards that will
cause severe personal injury, death or
substantial property damage.
WARNING
Indicates the presence of hazards that can
cause severe personal injury, death or
substantial property damage.
CAUTION
Indicates presence of hazards that will or
cause minor personal injury or property
damage.
CAUTION
Risk of electric shock.
Indicates presence of hazards due to electric shock.
NOTICE
Indicates special instructions on installation, operation or maintenance that are
important but not related to personal injury
or property damage.
DANGER
due to explosion of gas.
z Work only on gas components when
you have a license to do so.
z Note that the assembly of gas and vent
connections, the initial start-up, the
electrical connections, the maintenance
and service can only be performed by a
licensed service contractor or techni
-
can.
DANGER
due to electricity.
z Prior to doing any work on the heating
system, disconnect all electrical power
to the appliance at the emergency
switch.
z It is NOT sufficient to shut off only the
appliance control!
2 Parts list for converting the boiler to propane
GB142-24/30/45/60 - We reserve the right to make any changes due to technical modifications!4
2 Parts list for converting the boiler to propane
Conversion kit propane for the 24/30 kW # 76687
includes:
– orifice # 7099016 (dia. 3.35 mm / 0.131 inch)
– 2 o-rings
– bag
– these instructions
– label to be filled out and affixed to the boiler.
Conversion kit propane for the 45 kW # 76688 includes:
– orifice # 7099935 (dia. 4.05 mm / 0.158 inch)
– 2 o-rings
– bag
– these instructions
– label to be filled out and affixed to the boiler.
Conversion kit propane for the 60 kW # 7746900156
includes:
– orifice # 76690 (dia. 5.40 mm / 0.213 inch)
– 2 o-rings
– bag
– these instructions
– label to be filled out and affixed to the boiler.
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