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NTI Trinity Lx500 Instructions

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Trinity Lx500 & Lx500WH
NATURAL TO LP CONVERSION INSTRUCTIONS:
Version Date: 2016-07-04
Kit Number:
84386-1
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 Trinity boilers and water heaters are factory equipped to operate with Natural Gas. BEFORE OPERATING
WITH PROPANE the appliance 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 to LP Conversion Instructions
Natural to LP Conversion Decal (p/n 84386)
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
1

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Summary of Contents for NTI Trinity Lx500

  • Page 1 CO and CO combustion analyzer. NTI Trinity boilers and water heaters are factory equipped to operate with Natural Gas. BEFORE OPERATING WITH PROPANE the appliance 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 1.0 Adjusting the Gas Valve The Lx500 & Lx500WH is converted from Natural to LP Gas by adjusting a Throttle/Input Screw located on the gas valve; unlike most LP conversions an LP orifice is NOT used. 1. Locate the Throttle/Input Adjustment Screw on the gas valve, see Figure 1-2. 2.
  • Page 3 6. With all other gas appliances in the application running, operate the burner to the maximum firing rate (See I/O manual) and compare the observed line pressure with Table 2-1. The pressure will be lowest during the maximum flow of gas. 7.
  • Page 4 4. Operate the unit at the minimum modulation rate (Table 2-2). Ensure the combustion remains smooth and CO and CO values are lower than the values obtained during maximum modulation (Table 2-1). If not, do not adjust further, contact NTI for assistance. Failure to perform the flue gas analysis and adjustment may result in erratic and unreliable burner operation, leading to reduced efficiency, increased fuel consumption, reduced component life, heat exchanger combustion deposits, and general unsafe operation.

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Trinity lx500wh

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