NTI FTVN150C User Manual

Applicable Models:
FTVN085, FTVN110, FTVN150, FTVN199,
FTVN110C, FTVN150C, and FTVN199C
FTVNFTVN
NATURAL TO PROPANE NATURAL TO PROPANE
CONVERSION INSTRUCTIONSCONVERSION INSTRUCTIONS
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. 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 installation of this kit. THE INSTALLATION 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
2
/O
2
AND CO COMBUSTION ANALYZER.
WARNING

NTI FTVN150C Specifications

General

Brand	NTI
Model	FTVN150C
Category	Boiler
Language	English

Summary

General Safety Information

Critical Safety Warnings

Essential safety precautions for conversion, including carbon monoxide hazards and proper installation protocols.

Propane Conversion Installation Steps

Install LP-Mixer and Diaphragm

Step-by-step guide for physically replacing the natural gas mixer with the LP version.

Preliminary Gas Valve Adjustment

Adjusts gas valve throttle screw settings for different models before final calibration.

Gas Valve and Burner Setup Procedure

Operating Sequence Check

Pre-setup sequence to ensure correct boiler operation before gas valve and burner adjustments.

Gas Line Pressure Measurement and Adjustment

Detailed procedure for measuring and adjusting gas line pressure to specified parameters.

CO2 Checking and Adjustment Procedure

Prepare for Combustion Analysis

Instructions for preparing the boiler and installing a combustion analyzer for measurement.

Adjust CO2 at Maximum Gas Flow

Procedure to set the CO2 level at maximum boiler output using the gas valve adjustment screw.

Adjust CO2 at Minimum Gas Flow

Procedure to set the CO2 level at minimum boiler output, noting sensitivity of adjustment.

Finalize Adjustments and Checks

Steps to exit test mode, check for leaks, and reinstall components after adjustments.

Update Boiler Rating Plate

Instructions for updating the appliance's rating plate to reflect the propane conversion.