resideo WT8840 Série Instructions D'installation page 5

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 3. NPT pipe thread length (in.).
Pipe Thread Pipe
Size This Amount
1/2 3/4
APPLY WRENCH
HERE WHEN
CONNECTING
SUPPLY LINE
TEMPERATURE
SETPOINT KNOB
ULN CONNECTOR.
NOT USED ON
STANDARD
ATMOSPHERIC
MODELS
Fig. 5. Water heater controls and connections for
illustration purposes. Please check appliance
owner's manual for accurate 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.
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
THERMOPILE
CONNECTOR
WT8840 & WT8860 TRADE WATER HEATER CONTROLS
b.Use only ANSI-approved compounds.
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.
M29771B
NOTE: All wiring must comply with applicable
electrical codes and ordinances.
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 in, and hold in position. (The pilot valve
LED
opens and allows gas to flow into the pilot
burner.)
2. Depress the piezo igniter to light the pilot flame
and hold the knob in until the status indicator
starts to blink. When the LED flashes, the knob
may be released, indicating pilot now being held
by electronics.
NOTE: LED should blink once every three
OUTLET
3. The burner will come on if water temperature is
PRESSURE
TAP
significantly below the temperature setpoint and
the LED will begin to strobe every three seconds.
NOTE: If pilot goes out, allow one minute for thermo-
pile to cool before re-lighting pilot.
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 unless extremely hot water is desired.
Always check water temperature at the faucet
and readjust until comfortably warm to the
M38019
touch. Consider the ages and health of all who
will come in contact with heated water.
Perform Gas Leak Test
WARNING
Fire or Explosion Hazard.
Can cause severe injury, death or property
damage.
Check for gas leaks with soap and water
solution any time work is done on a gas system.
5
seconds. If not, check the error codes in
Table 4.
34-00013EF—05