American Standard TCWH-199-AS Installation Start-Up Maintenance Parts page 2

Tankless condensing water heater
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TANKLESS WATER HEATER
WARNING
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
some gases are heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS:
Do not try to light any appliance.
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 supplier's instructions.
If you cannot reach your gas supplier, call the Fire Department.
C. Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn
by hand, don't try to repair it, call a qualified service technician. Force or attempted repair may result in a
fire explosion.
D. Do not use this appliance if any part has been under water, immediately call a qualified service technician to re-
place any part of the control system and any gas control which has been under water.
1. STOP! Read the safety information above on this label.
2. Set the thermostat to lowest setting. (Never use Water Heater unless it is completely filled with water)
3. Turn OFF electrical power supply to the Water Heater.
4. Do not try to light the burner by hand.
5. Turn gas valve knob clockwise
6. Wait five (5) minutes to clear out any gas. If you then smell gas, STOP! Follows step "B" above on this label. If
you don't smell gas, go to next step.
7. Turn manual gas shut-off valve counter-clockwise
8. Turn ON electric power to the appliance.
9. Wait until default temperature (125ºF) is displayed. Set desired water temperature.
Turn on hot water faucet.
10. Set thermostat to desire setting.
11. If appliance will not operate, follow the instructions "To Turn Off Gas To Appliance" and call your service techni-
cian or gas supplier.
1. Set the thermostat to the lowest setting.
2. If service is to be performed, turn off all electric power to the appliance.
3. Turn gas valve to "OFF".
2
FOR YOUR SAFETY READ BEFORE LIGHTING
If you do not follow these instructions exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
Smell all around the appliance area for gas. Be sure to smell next to the floor because
OPERATING INSTRUCTIONS
to "OFF" position. Do not force.
TO CLOSE THE GAS SUPPLY UNIT
to the "ON" position.

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Tcwh-180-as

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