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G. safety considerations, H. safety controls, Part 2 – HTP HPW-50-6 User Manual

Page 6: Installation instructions, A. determining water heater location, Part 2 – installation instructions

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LP-374 REV. 3.25.14

G. SAFETY CONSIDERATIONS

1. Turn off power to the water heater if it has been subjected to overheating, fire, flood, or physical damage.

2. Do Not turn on water heater unless it is filled with water.

3. Do Not turn on water heater if cold water supply shut-off valve is closed.

4. Do Not store or use gasoline or other flammable vapors or liquids, such as adhesives or paint thinner, in the vicinity of this or any
other water heater. Open doors and windows for ventilation if such flammables must be stored near the water heater.

NOTE: Flammable vapors may be drawn by air currents from surrounding areas to the water heater.

5. If there is any difficulty in understanding or following the Control Instructions or the Maintenance and Cleaning Sections, it is
recommended that a qualified person or serviceman perform the work.

H. SAFETY CONTROLS

The water heater is equipped with two temperature-limiting controls (TCO and TOD) that are located above the heating element in
contact with the tank surface. If for any reason the water temperature becomes excessively high, the temperature-limiting control (TCO
or TOD) breaks the electrical circuit to the heating element. Once the control opens, it must be reset manually. Resetting the
temperature limiting controls should only be done by a qualified service technician.

The cause of the high temperature condition must be investigated by a qualified service technician and corrective action must be taken
before placing the water heater in service again.

To reset the temperature-limiting control:

1. Turn off the power to the water heater.

2. Remove the jacket access panel(s) and insulation. DO NOT remove the thermostat protective cover.

3. Press the red RESET button.

4. Replace the insulation and jacket access panel(s) before turning on power to the water heater.

This water heater must be properly grounded before usage. Failure to comply could result in substantial property damage, severe
personal injury, or death.

PART 2 – INSTALLATION INSTRUCTIONS

A. DETERMINING WATER HEATER LOCATION

The location chosen for the water heater must take the following into consideration:

LOCAL INSTALLATION REGULATIONS
This water heater must be installed in accordance with these instructions, local codes, utility codes, and utility company requirements
or, in the absence of local codes, the latest edition of the National Electrical Code. It is available from some local libraries or can be
purchased from the National Fire Prevention Association, Batterymarch Park, Quincy, MA 02169 as booklet ANSI/NFPA 70.

POWER REQUIREMENTS
Check the markings on the rating plate of the water heater to verify the power supply corresponds to the water heater requirements
(240V/30A).

LOCATION
Locate the water heater indoors, in a clean, dry area as near as practical to the area of greatest heated water demand. Long
uninsulated water lines can waste heat, energy and money.

NOTE:

Because this unit draws in air from the room to heat water, the room must be at least 10’ x 10’ x 7’ (700 cubic feet) or larger. If

the room is smaller, there must be a louvered door to allow for free air passage into the mechanical room. The louvered panel must be
at least 2 ft. by 3 ft. in size.