Electrical Heating - HTW VAW -ATS-O-150VAW Manuel De L'utilisateur Et D'installation

LED icons
1. Hot water available
The icon indicates that the domestic hot water temperature reaches the set point. The hot water
is available for use. Heat pump is standby.
2. Fan ventilation
The icon indicates that the fan ventilation function is enabled.
When the unit is on, press the
can be enabled or disabled. If this function is enabled the fan will continue working to ventilate
the air, when the water temperature reaches the set point and unit is standby. If this function is
disabled the fan will stop, when the water temperature reaches the set point and unit is standby.

3. Electrical heating

The icon indicates that the electrical heating function is enabled. The electrical heater will work
according to the control program.
Defrosting
4.
this icon shows the heat pump is under defrosting
5. Heating
this icon shows the heat pump is working
6. Key lock
The icon indicates the key lock function is enabled. The keys cannot be operated until this
function is disabled.
7. Left temperature display
The display shows the setting water temperature.
When checking or adjusting the parameters, this section will display the relating parameter
number.
button and hold it for 5 seconds the fan ventilation function
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