Service Manual

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Conversion Manual for Tankless Water Heaters

WARNING

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. The information in these instructions

must be followed to minimize the risk of fire or

explosion or to prevent property damage, personal

injury or death. 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.

 for the conversion from

Natural Gas (NG) to

Liquid Propane Gas (LPG)

 for the conversion from

Liquid Propane Gas (LPG) to

Natural Gas (NG)

 for adjustments at high altitude

(greater than 2000 ft / 610 m)

Refer to Adjust Gas Pressure Settings

V53De .............. REU-AM1620WD-US

This model is certified for installation in mobile homes.

Summary of content (8 pages)

PAGE 1
Conversion Manual for Tankless Water Heaters    for the conversion from V53De .............. REU-AM1620WD-US Natural Gas (NG) to This model is certified for installation in mobile homes.
PAGE 2
FOR INSTALLATIONS IN CANADA, THE CONVERSION SHALL BE CARRIED OUT IN ACCORDANCE WITH THE REQUIREMENTS OF THE PROVINCIAL AUTHORITIES HAVING JURISDICTION AND IN ACCORDANCE WITH THE REQUIREMENTS OF THE CGA-B149.1, NATURAL GAS AND PROPANE INSTALLATION CODE. The appliance must be installed in accordance with: • local codes or, in the absence of local codes, the National Fuel Gas Code, ANSI Z223.1/ NFPA 54 and/or CSA B149.1, Natural Gas and Propane Installation Code.
PAGE 3
Technical Data (Données Techniques) Model (Modèle) V53De Minimum Gas Consumption Btu/h (BTU/heure consummation - Minimum) 15,500 Maximum Gas Consumption Btu/h (BTU/heure consummation - Maximum) 120,000 The input rate can be verified by following the procedure in the National Fuel Gas Code (NFPA54 / ANSI Z223.1, 2006 or latest edition). Le taux d'entrée peut être vérifié en suivant la procédure décrite dans le code national de gaz combustible (NFPA54 / Z223.1 ANSI, 2006 ou plus récente édition).
PAGE 4
Gas Conversion Procedure Confirm that the inlet gas pressure is between the minimum and maximum pressures allowed for this appliance. 1. Disconnect the electrical power. Figure 1 2. Turn off the gas supply and water. Electrode and flame rod wires 3. Remove 4 screws securing the front panel. Remove front panel. NOTE: Set aside screws in Steps 3-6 separately. 4. Remove the 6 screws that attach the gas manifold to the burner case on the heat exchanger assembly. See Figure 1. 5.
PAGE 5
Adjust Gas Pressure Settings Complete this section for high altitude installation or after converting for gas type. Confirm that the inlet gas pressure is between the minimum and maximum pressures allowed for this appliance. CAUTION Do not touch any other areas on the PC board besides the “SW” switches while power is supplied to the appliance. Parts of the PC board are supplied with 120 volts AC. 14.
PAGE 6
Check Operation Normal Operating Sequence When pressing the ON/OFF button, the LED display will illuminate, the combustion fan will begin to run if water is flowing, and the sparker will ignite the main burner. This heater has an automatic ignition system. When the main burner has lit, the combustion lamp will glow red, and the spark will stop. Visual Inspection of Flame Check that the burner flames are operating normally. The flame can be seen through the circular window above the burner.
PAGE 7
Operating Instructions FOR YOUR SAFETY READ BEFORE OPERATING WARNING AVERTISSEMENT If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. B. BEFORE OPERATING, smell all around the appliance area for gas.
PAGE 8
100000566(01) 7/2018 U340-1922