John Wood Power Direct Vent (ENERGY STAR) - Manual (Page 23)

CAUTION:
Read before proceeding. If you do not follow
these instructions exactly, a fire or explo-
sion may result, causing property damage,
personal injury or loss of life.
Gas Control/Thermostat
Alternatively, this heater may be equipped with the White-
Rodgers Intelli-Vent
TM gas control/thermostat and a hot-
surface igniter. This control is a combination gas valve,
thermostat and ignition controller for use on this power
vented water heater. The valve contains a microcomputer
that supervises the ignition sequence and monitors the tem-
perature settings and operation of the heater. The computer
also monitors the flammable vapour safety features of this
heater.
This heater is equipped with a White-Rodgers Silicon
Nitride Igniter system that automatically ignites the
burner. Do not attempt to light this heater manually with
a match or flame-producing device.
Putting the Heater into Service
1. Turn the manual gas shut-off valve for the heater to the
“ON” position.
2. Follow the Lighting Instructions (White-Rodgers) given
on the side of the water heater and also depicted in this
manual. See also "Gas Supply", "Water Heater Operation"
and “Sequence of Operation”.
3. Upon start up all the indicator lights on the front of the
control will come on and then turn off. This indicates that
the control has completed a self-diagnostic test and is
ready for operation.
Note: If any of the indicator lights remain on, this indicates
a system fault that needs correcting. See the “System Error
Codes” and “Troubleshooting Guide (White-Rodgers)” for
corrective action.
Temperature Adjustment
The control is adjusted to its lowest temperature setting
(approximately 21°C (70°F)) when shipped from factory.
TEMPERATURE
INDICATORS
TEMPERATURE
ADJUSTMENT
BUTTONS
Figure 20. Temperature Indicators and Adjustment
The temperature of the water can be selected by using the
temperature adjustment buttons on the front of the gas con-
trol (see Figure 20) as follows:
1. “Wake up” the temperature indicators by holding down
both the “COOLER” and “HOTTER” temperature
adjustment buttons at the same time for one second. One
or two of the temperature indicators will light up. After
30 seconds, if no other buttons are pushed, the control
will go back to “Sleep” mode and both buttons will again
have to be pressed to see the water temperature setting.
2. Release both of the temperature adjustment buttons.
3. The current water temperature setting will be indicated.
See Table 4 for an explanation of the temperature
indicators.
a. To decrease the temperature press and release the
“COOLER” button once. The temperature indicators
will now display the new temperature setting. Press
and release the “COOLER” button until you have
reached the desired setting.
b. To increase the temperature press and release the
“HOTTER” button once. The temperature indicators will
now display the new temperature setting. Press and
release the “HOTTER” button until you have reached
the desired setting.
Note: Holding down the button will not continue to lower the
setting. The button must be pressed and released for each
temperature change desired.
Note: To avoid scald injury, set the control to the lowest set-
ting that will supply the hot water for your needs. Refer to
Table 4 to determine the approximate temperature setting,
and the approximate time for scald injury at that tempera-
ture.
4. When you have completed setting the control wait 30
seconds for the temperature indicators go off and the
control to enter “Sleep” mode.
DISPLAY
APPROXIMATE
TEMPERATURE °C (°F)
21°C (70°F)
(VACATION)
43°C (110°F)
46°C (115°F)
49°C (120°F)
52°C (125°F)
54°C (130°F)
57°C (135°F)
60°C (140°F)
63°C (145°F)*
65°C (150°F)*
71°C (160°F)*
FLASHING
* These settings are not available on Hi-input models.
Table 4. Temperature Settings
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