42
LP-454 REV. 1.6.15
Do not do a gas conversion on this water heater without an officially approved conversion kit and instructions supplied by HTP. Failure
to use a conversion kit when converting the heater to fire on Natural or LP gas will result in extremely dangerous burner operation,
leading to fire, explosion, severe injury or death.
Strain on the gas valve and fittings may result in vibration, premature component failure and gas leakage, and result in fire, explosion,
property damage, severe personal injury, or death.
Adjustments to the throttle screw or offset may only be made by a qualified gas technician using a calibrated combustion analyzer
capable of measuring CO
2
and CO. Failure to follow this instruction could result in fire, explosion, property damage, severe personal
injury, or death.
PART 8 – START-UP PROCEDURE
FOR YOUR OWN SAFETY READ BEFORE OPERATING
1. This water heater does not have pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light
the burner by hand.
2. BEFORE OPERATING: smell all around the water heater area for gas. Be sure to smell next to the floor because some gas is
heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any water heater.
Do not touch any electric switch; do not use any phone in your building.
Immediately call your gas supplier from a neighbor's phone. Follow the gas suppliers' instructions.
If you cannot reach your gas supplier, call the fire department.
Turn off gas shutoff valve (located outside of the water heater) so that the handle is crosswise to the gas pipe. If the handle will
not turn by hand, don't try to force or repair it, call a qualified service technician. Force or attempted repair may result in a fire
or explosion.
4. Do not use this water heater if any part has been under water. Immediately call a qualified service technician to inspect the water
heater and to replace any part of the control system and any gas control that has been damaged.
5. The water heater shall be installed so the gas ignition system components are protected from water (dripping, spraying, rain, etc.)
during water heater operation and service (circulator replacement, condensate trap, control replacement, etc.)
Failure to follow these instructions could result in property damage, serious personal injury, or death.
A. OPERATING INSTRUCTIONS
If you smell gas, STOP. Follow listed safety instructions above. If you do not smell gas, follow the next steps.
1. Turn on all electric power to water heater. Make sure tank is full with cold water and purge all piping. To assure adequate purging,
open all hot water faucets.
Ensure the water heater is full of water before firing the burner. Failure to do so will damage the heater. Such damage IS NOT covered
by warranty, and could result in property damage, serious personal injury, or death.
2. Adjust the temperature set point to the desired level on both the upper and lower controls of the heater. To increase efficiency, it is
recommended to set the upper control temperature higher than that of the lower control. The factory default setting is 119
o
F. If changes
are necessary, follow “Overall Water Heater and Control Operation” in this section.
3. If the water heater fails to start, refer to the Troubleshooting section in the back of this manual.
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