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DISPLAY PANEL
FREEZE PROTECTION FUNCTION
The water heater has a freeze protection function built in to protect the water heater in extremely cold
conditions and the water temperature in the water heater falls to 5°C. This condition will only occur if the
Display Panel is turned off at the water heater. The power supply to the water heater must be turned on at
the isolating switch and power must be available to the water heater.
The electric heating unit will automatically turn on if the water temperature in the
water heater falls to 5°C. It will heat the water until the water temperature
reaches 10°C and then turn off.
The code Fd and the Heating Indicator Icon will illuminate solid in the Display
area of the Display Panel.
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