Techical data of electronic thermostat for fan coils YKC-306 Description Specifications Work modes Cooling, Heating, Ventilation Fan speeds Low, Medium, High, Auto Zone valve controll Yes (with 2 or 3 cables) 2-pipe or 3-pipe system 2-pipe Antifreeze protection Yes Tine on and Time off Yes Memory Yes Power supply 220V, 50/60Hz Temperature differential 0.5°C Setting temperature range 5°C ... 35°C Internal temperature sensor NTC Thermostat dimmensions 86 x 86 x 13 mm LCD screen size 66 x 46 mm