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NTI Firetube Giant FTG 2000 Instructions Manual

Natural gas to lp conversion instructions
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Firetube Giant FTG 2000-2400
NATURAL GAS TO LP CONVERSION INSTRUCTIONS:
Version Date: 2017-08-18
Kit Number:
85758-1
This conversion shall be performed by a qualified service agency in accordance with
the manufacturer's instructions and all applicable codes and requirements of the
authority having jurisdiction. If the information in these instructions is not followed
exactly, a fire, an explosion or production of carbon monoxide may result causing
property damage, personal injury or loss of life. The qualified service agency is
responsible for the proper application of these instructions. The conversion is not
proper and complete until the operation of the converted appliance is checked as
specified in the manufacturer's instructions supplied with the kit, which necessitates
the use of a calibrated CO
NTI boilers are factory equipped to operate with Natural Gas. BEFORE OPERATING WITH PROPANE the
boiler's gas valve must be adjusted according to these instructions. Use the procedures outlined in these instructions to
fully complete the Natural Gas to LP conversion.
Kit Contents:
Natural Gas to LP Conversion Instructions (p/n 85759)
Natural Gas to LP Conversion Decal (p/n 85758)
These instructions CANNOT be used to convert NTI appliance models not referenced in these
instructions. Contact NTI for the Natural Gas to LP conversion kit and instructions for other
models.
Failure to apply these instructions properly may result in dangerous Carbon Monoxide levels,
fire or explosion leading to property damage, personal injury or death.
Liquefied Petroleum (LP) propane gas is heavier than air; therefore, it is imperative that your boiler is not
installed in a pit or similar location that will permit heavier than air gas to collect. Local Codes may require
appliances fueled with LP gas be provided with an approved means of removing unburned gases from the
room. Check your local codes for this requirement.
/O
and CO combustion analyzer.
2
2
ATTENTION: LIQUEFIED PETROLEUM (LP) PROPANE
NTI # 85759
1

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Summary of Contents for NTI Firetube Giant FTG 2000

  • Page 1 CO and CO combustion analyzer. NTI boilers are factory equipped to operate with Natural Gas. BEFORE OPERATING WITH PROPANE the boiler’s gas valve must be adjusted according to these instructions. Use the procedures outlined in these instructions to fully complete the Natural Gas to LP conversion.

  • Page 2: Adjusting The Gas Valve

    1.0 Adjusting the Gas Valve The FTG 2000, FTG 2200 & FTG 2400 are converted from Natural to LP Gas by adjusting the Throttle/Input Screw located on the gas valve; unlike most LP conversions an LP orifice is NOT used. 1.

  • Page 3: Gas Valve And Burner Setup

    2.0 Gas Valve and Burner Setup Failure to perform the Gas Valve and Burner Setup correctly may result in incorrect operation, component failure, property damage, serious injury or death. Operating Sequence Prior to commencing the Gas Valve and Burner Setup, perform the following operating sequence check: 1.
  • Page 4 CO values are lower than the values obtained during maximum modulation, as per notes in Table 2-1. If not, do not adjust further, contact NTI for assistance. Each FTG boiler is factory set to operate with Natural Gas, for boilers field converted to operate with Propane Gas, a FLUE GAS ANALYSIS AND ADJUSTMENT IS MANDATORY.
  • Page 5 – CO must be 0.5 to 1.0% lower at minimum modulation. If readings are out of tolerance – CONTACT NTI FOR ASSISTANCE. 6) Complete Test – shutdown the burner, remove the manometer tubing and reinstall the factory caps on Offset Pressure Tappings.
  • Page 6 3.0 Labeling As the certified installer of the LP Conversion Kit, you must indicate on the boiler that it has been converted for use with Propane (LP) Gas: 1. Update Rating Plate Decal – Locate the rating plate decal on the side of the appliance, using a regular ink pen, check the box next to “Field converted to Propane Gas”...

This manual is also suitable for:

Firetube giant ftg 2200Firetube giant ftg 2400