Fuel Conversion - IBC SL 20-160 G3 Installation And Operating Instructions Manual

Modulating gas boiler
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DANGER
Operating any IBC boiler using
a fuel other than the fuel listed
on its rating plate is prohibited.
If the information in this section
related to conversion to
alternate fuels is not followed
exactly, a dangerous situation
can result, leading to fire or
explosion, which may cause
property damage, personal
injury, or loss of life.
3-4
SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS

3.4 FUEL CONVERSION

The SL modulating boilers are factory fire-tested to operate with natural gas, or propane
as ordered. The rating plate will be marked to indicate which fuel the particular boiler
has been set up with. Firing a boiler with a fuel other than what is listed on the rating
plate is prohibited unless the following conversion procedure is completed by a qualified
technician.
Refer to the preceding section 3.3 - COMMISSIONING. The Zero-offset valve adjustment
cap on the gas valve has been factory sealed using red paint-seal compound. This cap
must not be tampered with. The Zero-offset screw is not to be adjusted in the field.
Fuel conversion requires hardware adjustments (orifice insertion or removal) as well as
measurement and possible tuning of the gas:air mixture. Detailed instructions including parts
and labeling are found in the Fuel Conversion kits.
Fuel conversions must be carried out by a qualified technician:
1.
Ensure you are installing the correct fuel conversion kit for your boiler. Compare the
boiler model number with the Kit # found in Table 8.
2.
Read the fuel conversion instructions supplied with the fuel conversion kit.
3.
Carefully follow the procedures of the fuel conversion instructions on:
Fuel Conversion
Combustion Testing and Adjustment
Placing conversion labels associated with the new fuel onto the boiler.
4.
Carefully follow the "Prior to Start-Up" – Section 3.2 and "Commissioning" – Section
3.3 procedures on the preceding pages 3-2 and 3-3.
Fuel Conversion Kit Part Numbers
MODEL NUMBER
SL 10-85 G3/ SL 14-115 G3 P-304
SL 20-160 G3
SL 30-199 G3
Table 8: Fuel Conversion Kits
NATURAL GAS TO
PROPANE
P-306
P-308
INSTALLATION AND OPERATION INSTRUCTIONS
PROPANE TO
NATURAL GAS
P-305
P-307
P-309

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This manual is also suitable for:

Sl 14-115 g3Sl 10-85 g3Sl 30-199 g3

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