2 channel fan with 12 relays

(1) Control the 4-control and 2-control fan coil units;

(2) It can output heating and cooling according to the set temperature;

(3) Low, medium and high wind speeds can be controlled automatically or manually, with wind speed interlocking function;

(4) It can report the local wind speed and valve status;

(5) Use TC0203, TC0303, TC0403 with temperature control panel