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8.2
Operating modes
The device has the following operating modes:
Display
Product manual 2CKA001373B8563
Operating mode
Standard operation
– Application: The set-point temperature is set locally or specified at the System
Access Point.
– Behaviour of the RTC: The display indicates the set-value temperature that has
been set. The controller aims at this temperature.
ECO mode
– Application: The room temperature control should be reduced to save energy.
However, the room should not cool down completely or heat up too strongly.
– Behaviour of the RTC: The temperature is adapted by a few degrees (heating or
cooling). The reduction or increase can be freely configured in the user
interface; the default value is 3°C. The fan speed level can continue to be
reduced.
Off mode
– Application: The room is not being used for a longer period of time.
– Behaviour of the RTC: The display indicates "OFF". The blower convector
valves are closed (frost protection is active).
Frost/heat protection
– Application: The function switches on automatically when a window contact has
been connected and the window is being opened.
– Behaviour of the RTC: The display indicates the icon for frost/heat protection.
The blower convector valves are closed (frost protection is active). If the room
temperature drops below 7°C, the heating is switched on again to prevent
damage to the building.
Heating/cooling switchover
– Application Page 45 Switchover of heating/cooling operating state
– Behaviour of the RTC:
The device operates in heating mode. The display shows the icon for heating.
The device operates in cooling mode. The display shows the icon for cooling.
Fan operation in speeds 0...3
– Application: You want to change the automatically selected fan speed level and
set the desired fan speed level manually on the device. The control of the
temperature in the room continues to be active.
– Behaviour of the RTC: The display indicates the set fan speed level. The room is
heated or cooled via a 3-speed fan. The fan sets the necessary fan speed level
automatically in dependence of the control.
Automatic fan operation function
– Application: You want to control the fan speed level automatically.
– Behaviour of the RTC: The display indicates the icon for the automatic fan
function. The room is heated or cooled via a 3-speed fan. The fan sets the
necessary fan speed level automatically in dependence of the control.
Operation
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