White Rodgers 37C73U User Manual
3
TO LIGHT APPLIANCE
A. Gas valve/thermostat without ignitor (If control has an
ignitor, proceed to Section B).
1. Set control to lowest setting by turning the water
temperature dial clockwise (
) to the "PILOT
LIGHTING" position. DO NOT FORCE.
2. Turn gas control knob clockwise to "OFF". See
FIGURE A.
NOTE: Gas control knob must be depressed
slightly to turn from "PILOT" to "OFF". Do not use
tools or excessive force.
NOTE: Gas control knob must be depressed
slightly to turn from "PILOT" to "OFF". Do not use
tools or excessive force.
3.
Wait at least five (5) minutes to clear out any gas, and
then smell around the appliance area. If you smell gas,
then smell around the appliance area. If you smell gas,
STOP! Follow instructions "What to do if you
smell gas" on the first page of this instruction sheet. If
you do not detect gas, continue with the next step.
you do not detect gas, continue with the next step.
4.
Remove inner and outer burner doors located on the
water heater under gas control unit.
water heater under gas control unit.
5.
Find pilot – follow small metal tubes from gas control. The
pilot is located near the main burner. See FIGURE D.
pilot is located near the main burner. See FIGURE D.
6.
Turn gas control knob counterclockwise to "PILOT".
See FIGURE B.
See FIGURE B.
7.
Depress control knob all the way and hold down. Im-
mediately light the pilot with a match. Continue to hold
knob down for approximately one (1) minute after pilot
is lit. Release knob and it will pop back up. Pilot should
remain lit. If pilot goes out, repeat steps 2, 3, 6 and 7.
mediately light the pilot with a match. Continue to hold
knob down for approximately one (1) minute after pilot
is lit. Release knob and it will pop back up. Pilot should
remain lit. If pilot goes out, repeat steps 2, 3, 6 and 7.
•
If knob does not pop up when released, turn knob
clockwise to "OFF". STOP and immediately call
your service technician or gas supplier.
clockwise to "OFF". STOP and immediately call
your service technician or gas supplier.
• If the pilot will not stay lit after several tries, turn
gas control knob to "OFF" and call your service
technician or gas supplier.
technician or gas supplier.
8.
Replace inner and outer burner doors.
9.
At arm's length away, turn gas control knob counter-
clockwise to the full "ON" position, FIGURE C.
clockwise to the full "ON" position, FIGURE C.
10. Align the water temperature dial mark ( ) with the
temperature pointer on the cover. This mark, indicative
of approximately 120
of approximately 120
o
F, is the preferred starting point.
If hotter water is desired, see TEMPERATURE REGU-
LATION on page 4.
LATION on page 4.
11. Check for leaks at the pilot and main burner fittings
on the gas control with the main burner firing. Use a
soapy water solution. If a leak is detected, turn the gas
supply off and make repairs.
soapy water solution. If a leak is detected, turn the gas
supply off and make repairs.
GAS
CONTROL
KNOB
WATER
TEMPERATURE
DIAL
TEMPERATURE
POINTER
Figure 2. Gas Control Knob and
Water Temperature Dial
PILOT
THERMOCOUPLE
MAIN BURNER
O
N
O
F
F
PILOT
FIGURE B
“PILOT” POSITION
O
N
O
F
F
PILOT
FIGURE C
“ON” POSITION
O
N
O
F
F
PILOT
O
N
O
F
F
PILOT
FIGURE A
“OFF” POSITION
FIGURE D
B. Gas Valve/Thermostat with ignitor.
1.
STOP! Read the safety information on the label.
2. Set the thermostat to lowest setting (PILOT LIGHT-
ING). Turn thermostat dial fully clockwise (
) until
it stops.
3. Push the gas control knob down slightly and turn
clockwise (
) to "OFF", see FIGURE A.
NOTE: Knob CANNOT be turned from "PILOT" to
OFF" unless it is pushed down slightly. Do not force.
OFF" unless it is pushed down slightly. Do not force.
4. Remove the outer burner door located below the gas
control.
5. Wait five (5) minuted to clear our any gas. If you then
smell gas,
STOP! Follow instructions "What to do
if you smell gas" on the first page of this instruction
sheet. If you do not detect gas, continue with the next
step.
sheet. If you do not detect gas, continue with the next
step.
6. This unit is equipped with a push button pilot ignitor,
which is used to light the pilot. Locate the ignitor on the
gas control.
gas control.
7. Turn gas control knob counterclockwise (
) to
"PILOT", see FIGURE B.
8. The pilot is located on the right side of the burner. It
can be located by looking through the glass view port
while pressing the piezo ignitor button several times.
Look for a spark at the pilot location, FIGURE D.
while pressing the piezo ignitor button several times.
Look for a spark at the pilot location, FIGURE D.
9. Once the pilot has been found, push the gas knob all
the way down. Immediately press the pilot ignitor but-
ton rapidly 4 to 5 times. If the pilot will not light, repeat
step 3 through 9.
ton rapidly 4 to 5 times. If the pilot will not light, repeat
step 3 through 9.
10. Continue to hold the gas control knob down for about
one (1) minute after the pilot is lit. Release the gas
control knob and it will pop back up. Pilot should
remain lit. If it goes out, repeat step 3 through 9. It may
take several minutes for air to clear the lines before the
pilot will light.
•
control knob and it will pop back up. Pilot should
remain lit. If it goes out, repeat step 3 through 9. It may
take several minutes for air to clear the lines before the
pilot will light.
•
If the pilot does not pop up when released, stop
and immediately call your service technician or
gas supplier.
and immediately call your service technician or
gas supplier.
•
If the pilot will not stay lit after several tries, turn
the gas control knob clockwise (
the gas control knob clockwise (
) to "OFF"
and call your service technician or gas supplier.
11. Once the pilot flame is established replace the outer
burner door.
12. At arms length away, turn gas control knob counter-
clockwise (
) to "ON". See FIGURE C.
13. Set the thermostat to desired setting. See TEMPERA-
TURE REGULATION on page 4.