Turn On Main Burner - Honeywell WV8840B Installation Instructions Manual

WV8840B WATER HEATER CONTROLS
TWO IGNITION
IMPERFECT SYSTEM
THREADS CONTROL
PIPE
THREAD PIPE THE AMOUNT
SHOWN IN TABLE 2 FOR INSERTION
INTO IGNITION SYSTEM CONTROL
Fig. 4. Use a moderate amount of pipe compound.
Table 2. NPT pipe thread length (in.).
Pipe Thread Pipe
Size This Amount
1/2 3/4
DEVICE
KNOB
GAS LINE
CONNECTION
PIEZO IGNITOR
SWITCH
IGNITOR
LEAD
PILOT
GAS
MAIN GAS
Fig. 5. Water heater controls and connections.
CAUTION
Contamination Hazard.
Can cause equipment malfunction.
Do not use thread tape sealants to seal the gas
supply to the control.
a. Use a pipe dope compound to seal the
connection.
b. Use only ANSI-approved compounds.
69-2450—03
APPLY A MODERATE AMOUNT OF
PIPE COMPOUND ONLY TO PIPE
(LEAVE TWO END THREADS BARE).
Maximum Depth Pipe can be
inserted into Control
1/2
FRONT VIEW
–
+
COM
SERIAL
COMMUNICATIONS
BOTTOM VIEW
PRESSURE
TAP
Wiring
Follow the wiring instructions furnished by the appliance
manufacturer, if available, or use the general instructions
provided below. When these instructions differ from the
appliance manufacturer, follow the appliance
manufacturer instructions. Make sure wiring insulation
does not get cut by sharp edges.
NOTE: All wiring must comply with applicable elec-
trical codes and ordinances.
M29771
Connect control circuit to the water heater control using
the connections shown in Fig. 5.
Fill Tank
Refer to the appliance manufacturer's instructions to fill
the tank with water.
Pilot Gas and Lighting Procedure
1. Start by turning the device knob to Pilot, push the
knob down, and hold in position. (The pilot valve
opens and allows gas to flow into the pilot burner.)
NOTE: If the gas pipe is full of air (new installa-
STATUS
INDICATOR
2. Depress the piezo igniter to light the pilot flame and
hold the knob in until the status indicator starts to
blink (approximately 30 seconds), indicating pilot
now being held by electronics.
NOTE:
THERMOPILE
3. Release the knob and turn to the desired
temperature setting. The burner will come on if
water temperature is significantly below the
temperature setpoint and the LED should continue
to blink once every three seconds.

Turn on Main Burner

Follow the instructions provided by the manufacturer or
turn up the temperature at the setpoint knob.
WARNING
Scalding Hazard.
Can cause burns, severe injury or death.
Never move the setpoint knob past the Hot setting
M29523
unless extremely hot water is desired. Always
check water temperature at the faucet and
readjust until comfortably warm to the touch.
Consider the ages and health of all who will come
in contact with heated water.
4
tion), it takes a long time to purge the air
through the pilot before the pilot will light.
Approximately 5 minutes of purge time is
required for every 10 feet of 1/2-in. pipe
with 5 in. w.c. pressure.
LED should blink once every three seconds.
If not, check the error codes in Table 3.