The thermostat KTCVR is a temperature controller for heating and air conditioning systems with 2 or 4 pipes fancoil. The unit drives automatically the speed of the fancoil, the valve and electric resistance if they are present.
First switch position : bottom = fancoil off; middle = fancoil ready to use; top = additional electric heater activated (if present only for 2 pipes systems. In 4 pipes systems the top position has the same function as middle). Second switch position: middle = the thermostat drives the speed of motor automatically; bottom = the motor is driven only at the minimum speed (silent function).
Regulation knob: the central position of the knob corresponds to a comfort condition (20°C in heating, 25°C in cooling). The temperature can be changed by ±5°C rotating the knob from the central position.
Green LED: heating / cooling function active. Red LED: flashing indicates that the filter of the fancoil must be cleaned.
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