NTI FTVN II Series Conversion Instructions
Floor mount, natural to propane conversion
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Also See for FTVN II Series:
- Installation start-up maintenance (124 pages) ,
- Quick start manual (12 pages) ,
- Installation quick manual (17 pages)
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NATURAL TO
PROPANE
CONVERSION
INSTRUCTIONS
FTVN SeriesII Models
FTVN085 / FTVN110
FTVN150 / FTVN199
FTVN110C / FTVN150C / FTVN199C
COMPASS Floor Mount Models
NC085 / NC110 / NC110C
NC150 / NC150C
NC199 / NC199C
WARNING
This conversion kit shall be installed by a qualified installer, service agency, or the gas supplier
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 installer, service agency, or the gas supplier 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.
FTVN
FTVN
COMPASS
COMPASS
Floor Mount
Floor Mount
Series ii
Series ii
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Summary of Contents for NTI FTVN II Series
- Page 1 FTVN FTVN Series ii Series ii COMPASS COMPASS Floor Mount Floor Mount NATURAL TO PROPANE CONVERSION INSTRUCTIONS FTVN SeriesII Models FTVN085 / FTVN110 FTVN150 / FTVN199 FTVN110C / FTVN150C / FTVN199C COMPASS Floor Mount Models NC085 / NC110 / NC110C NC150 / NC150C NC199 / NC199C WARNING...
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Page 2: Kit Contents
Part 0. General Safety information NTI boilers are factory set to operate IF THE KIT CONTENTS DO NOT with Natural Gas. MATCH THOSE SPECIFIED FOR YOUR BEFORE OPERATING WITH PROPANE BOILER MODEL (SEE TABLE 1), DO NOT PROCEED WITH INSTALLING... - Page 3 Contact NTI for the Natural Gas to installed in a pit or similar location LP conversion kit and instructions for that will permit heavier than air gas other models.
- Page 4 Part 1. Installation and Preset Procedure 1. Install LP-Mixer with LP-Diaphragm a. Check that the code of the air / gas mixer and the diameter of the gas diaphragm are those indicated for the model of boiler to be converted – see Table 1.
- Page 5 Part 1. Installation and Preset Procedure i. Reassemble the gas pipe to the gas valve and mixer. ATTENTION!! USE THE NEW RUBBER GASKETS PROVIDED WITH THE KIT. j. Install the silencer. 2. Perform preliminary adjustment on gas valve throttle screw 4. a.
- Page 6 Part 2. Operation Sequence and Gas Line Pressure Check g. Adjust the gas line pressure to ensure the WARNING parameters in Table 2 are attained under all conditions. Failure to perform the Gas Valve If possible, adjust the line pressure to and Burner Setup correctly may the “Nominal/Desired”...
- Page 7 Part 3. Combustion Check and Calibration WARNING Adjustments to the Gas valve may only be made by a qualified gas technician, while using a calibrated combustion analyzer capable of measuring CO2 and CO. Adjustments may only be performed if the gas line pressure is maintained above minimum levels...
- Page 8 Part 3. Combustion Check and Calibration 2. Checking/Adjusting the CO2 at Note: BURNER TEST Max Power (100%) To activate the BURNER TEST access to Set the thermostat at the highest the Test Mode Menu. possible setting or draw off the domestic Press the MENU button.
- Page 9 Part 3. Combustion Check and Calibration ATTENTION!! VALUES MUST BE NOTE: The CO2 reading at Min Power must OBTAINED WITH THE FRONT COVER be set lower than the CO2 reading at Max INSTALLED. Power by 0.2-1.0% If the CO2 reading differs from the values ADJUSTING THE GAS VALVE AT MIN given in the table, then adjust the gas POWER (10%)
- Page 10 Part 3. Combustion Check and Calibration Model Min Power Max Power Burner Power Burner Power 110 / 110C 1 1.0 1 10 10 % 100% 150 / 150C 15.0 199 / 199C 19.9 1. Canada: Altitudes between 2000-4500 ft, de-rate by 10%. Consult local authorities for de-rating for altitudes above 4500ft.
- Page 11 Part 4. Document the Conversion 1. Update rating plate As the certified installer of the Natural Gas to LP Conversion Kit, you must indicate on the boiler that it has been converted for use with Propane (LP) Gas: a. Update Rating Plate Decal – Locate the rating plate decal on the side of the appliance.
- Page 12 NTI Boilers Inc. 30 Stonegate Drive Saint John, NB E2H 0A4 Canada Technical Assistance: 1-800-688-2575 Website: www.ntiboilers.com Fax: 1-506-432-1135 Visit us online 420022002801 - Rev. 02 - 03132024...
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