NTI TRX II Series Conversion Instructions
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Also See for TRX II Series:
- Installation start-up maintenance (132 pages) ,
- Installation quick manual (20 pages) ,
- Manual (12 pages)
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NATURAL TO PROPANE
CONVERSION INSTRUCTIONS
Models
TRX085
TRX120
TRX110C
TRX150C
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.
TRX
TRX
Series ii
Series ii
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Summary of Contents for NTI TRX II Series
- Page 1 Series ii Series ii NATURAL TO PROPANE CONVERSION INSTRUCTIONS Models TRX085 TRX120 TRX110C TRX150C 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.
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Page 2: Part 0. General Safety Information
Part 0. General Safety information NTI boilers are factory set to operate IF THE KIT CONTENTS DO NOT with Natural Gas. BEFORE OPERATING MATCH THOSE SPECIFIED FOR YOUR WITH PROPANE the boiler must be BOILER MODEL (SEE TABLE 1), DO NOT PROCEED WITH INSTALLING converted to Propane using this kit. - 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 g. Remove the silencer. Figure 8 - Remove the NG-mixer Figure 5 - Remove the silencer j. Secure the LP-Mixer (with LP Diaphragm) to the blower, reusing the h. Unscrew the two nuts and remove the bolts from the previous step.
- Page 6 Part 1. Installation and Preset Procedure Part 2. Operation Sequence and Gas Line Pressure Check 2. Perform preliminary adjustment on gas valve throttle screw 4. WARNING a. TRX085 and TRX120 – Adjust throttle screw 4 counter-clockwise 1.5 turns. Failure to perform the Gas Valve b.
- Page 7 Part 2. Operation Sequence and Part 3. Combustion Check and Gas Line Pressure Check Calibration Compare it to Table 2. The pressure will be WARNING lowest during the maximum flow of gas. g. Adjust the gas line pressure to ensure the Adjustments to the Gas valve may only parameters in Table 2 are attained under be made by a qualified gas technician,...
- Page 8 Part 3. Combustion Check and Calibration 2. Checking/Adjusting the CO2 at Max Power (100%) Set the thermostat at the highest possible setting or draw off the domestic hot water at the maximum water flow rate to create a demand for heat. Enable Burner Test, access the Main Menu by pressing the Menu button.
- Page 9 Part 3. Combustion Check and Calibration ATTENTION!! VALUES MUST BE Note: BURNER TEST OBTAINED WITH THE FRONT COVER To activate the BURNER TEST access to INSTALLED. the Test Mode Menu. If the CO2 reading differs from the values Press the MENU button. given in the table, then adjust the gas Turn the dial to select Test Mode and valve following the instructions below.
- Page 10 Part 3. Combustion Check and Calibration NOTE: The CO2 at Min Power (10%) must NOT 4. Ending Adjustment be set higher than the CO2 reading at Max 1. Exit Test Mode by pressing RESET. Power (100%); it may be set lower by as much 2.
- 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 Visit us online NTI Boilers Inc. 30 Stonegate Drive Saint John, NB E2H 0A4 Canada Technical Assistance: 1-800-688-2575 Website: www.ntiboilers.com Fax: 1-506-432-1 135...
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