9Operating the Water Heater
WARNING
Follow the instructions below to avoid unsafe
operating conditions that could cause property
damage, severe personal injury, or death.
Ɣ
Ensure that the water heater is filled with
water before turning on the water heater.
Ɣ
If overheating occurs or the gas supply fails to
shut off, shut off the gas supply to the water
heater at the manual gas valve.
Ɣ
If any part of the water heater has been
submerged in water, do not use this
appliance and immediately call a qualified
service technician. The water heater must be
replaced.
3.1 Turning the Water Heater On
or Off
To turn the water heater on or off, press the Power
button (
).
When the power is turned on for the first time, you
must complete the start-up wizard. The temperature
will appear on the front panel display after the
power is turned on.
3.2 Adjusting the Water
Temperature
WARNING
Before adjusting the water temperature, read
“To prevent burns:” on page 4 carefully.
Water above 120 °F can cause instant scalding,
severe burns, or death.
The water heater is set to 120 °F (49 °C) by default.
To adjust the water temperature:
1. Make sure that all hot water faucets are closed
and ensure that the internal circulator and any
external circulating pumps are off.
Note
If a hot water faucet is open, you can
adjust the temperature only from 97 -
110 °F (36 - 43 °C).
2. Press the Up button (
) or the Down button
(
) until the desired temperature appears on
the display. You can adjust the temperature
while the display is flashing. Once the display
stops flashing, the temperature setting is stored.
3. Operating the Water Heater
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