For Your Safety Read Before Lighting; Lighting Instructions; To Turn Off Gas To Appliance - A.O. Smith GDV Instruction Manual

Residential gas water heaters
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FOR YOUR SAFETY READ BEFORE LIGHTING

WARNING:
WARNING:
may result causing property damage, personal injury or loss of life.
explosion may result causing property damage, personal injury or loss of life.
A. This appliance has a pilot which is lit by a piezoelectric spark gas ignition system. Do not open the
inner door of the appliance and try to light the pilot by hand.
B. BEFORE LIGHTING smell all around the appliance 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 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 or explosion.
D. Do not use this appliance if any part has been under water. Immediately contact a qualified installer
or service agency to replace a flooded water heater. Do not attempt to repair the unit! It must be
replaced!
Gas Control &
Temperature Knob
GAS CONTROL
1. STOP!
It is imperative that you read all safety warnings before lighting the pilot.
2. Turn the gas control/temperature knob counterclockwise
3. Wait ten (10) minutes to clear out any gas. If you then smell gas, STOP!
information above on this label. If you do not smell gas, go to the next step.
4. Turn the gas control/temperature knob clockwise
5. Press the gas control/temperature knob all the way in and hold it in. The knob should travel in about
6mm (1/4 inch) if it is set to "PILOT" correctly. While holding the gas control/temperature knob in,
click the igniter button continuously (about once a second) for up to 90 seconds or until Status Light
begins to blink.
6. When the status light starts blinking, release the gas control/temperature knob. Set the gas
control/temperature knob to the desired setting. See Figure 'C'.
If the status light does not start blinking within 90 seconds, repeat steps 2 through 5 up to THREE (3)
times, waiting 10 minutes between lighting attempts.
The circuitry in this advanced gas valve requires that you wait 10 minutes between lighting attempts.
If the status light turns solid red, release the gas control/temperature knob and repeat steps 2
through 5 (waiting 10 minutes before attempting to relight the pilot). If the status light does not start
blinking after three lighting attempts, turn the gas control/temperature knob to the "OFF" position
and call a qualified service technician or your gas supplier.
DANGER: Hotter water increases the risk of scald injury.
DANGER:
Consult the instruction manual before changing temperature.
Refer to the Lighting Instructions in the Installation Manual for more detailed troubleshooting
information.
1. Turn the gas control/temperature knob counterclockwise
will stop blinking and stay on for a short time after the water heater is turned off. See Figure 'A'.
If you do not follow these instructions exactly, a fire or explosion
If you do not follow these instructions exactly, a fire or
BEFORE LIGHTING: ENTIRE SYSTEM MUST BE FILLED
WITH WATER AND AIR PURGED FROM ALL LINES

LIGHTING INSTRUCTIONS

FIGURE 'A'
120°F
Mark
Status
Light
Igniter
"OFF" POSITION

TO TURN OFF GAS TO APPLIANCE

FIGURE 'B'
FIGURE 'C'
120°F
120°F
Mark
Mark
"PILOT" POSITION
"ON" POSITION
CONTROL KNOB
to the "OFF" position.
to "PILOT". See Figure 'B'.
to the "OFF" position. The status light
20
FLAMMABLE
MAIN BURNER
THERMOPILE
PILOT
FIGURE 'D'
Follow " B" in the safety
321346-000

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