IVAR.643 - independent four-speed control (auto)
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INDEPENDENT FOUR-SPEED CONTROL
IVAR.643
- E4T643II
- supply voltage 230 V, 50 Hz
- allows fan speed control at four speed levels with a gradual transition between them; in AUTO mode, the speed is controlled based on the difference between the desired and actual temperature
- installed directly into the fan coil unit and is not connected to any other controller, it operates completely independently
- the new LCD display allows setting the heating/cooling mode and selecting the operating mode using AUTO, MIN., MAX. and NIGHT modes
- desired temperature setting in the range of 16 to 28 °C in 1 °C increments
- using the selection arrows, allows setting the desired room temperature shown on the display; after the settings are made, the actual room temperature is displayed