The A3920 series thermostat is a wireless thermostat to control 2-pipe or 4-pipe fan coil unit and controller that can be plac  

General                   

The A3920 series thermostat is a wireless thermostat to control 2-pipe or 4-pipe fan

coil unit and controller that can be placed  anywhere at your home, office.

The A3920 thermostat pack consists of a room thermostat and a relay box. No wiring

 to the room unit is required. The installer only needs to wire the relay box to the

controlled device (e.g. fan coil unit) and mount the room unit in a suitable location

 where RF communication is reliable. The A3920 thermostat uses reliable RF

communication technology in the 433MHz band.

The A3920 extra large LCD display, symbol display. The unit is ideal for consumers

 who want reliable and precise temperature control from a modern looking, simple to

 program and easy-to-use product.

Features                  

    Transmits up to 30 meters through walls and floors

    Communicates at 433 MHz for interference free operation

    Works with 2-pipe or 4-pipe fan coil units

    Programmable up to 4 periods daily, which can be customized for each day of the week

    Programming is retained in memory even if the battery is off power

    LCD Backlighting to illuminate the display for easier viewing in low light condition

   Backlit display for easy nighttime viewing (automatically turns off after 6 seconds of non-use)

   Displays either Fahrenheit or Centigrade

    Battery life is approximately 6months with normal use and rechargeable by USB cable

    Thermostat can be installed without disrupting your room structure

    OFF status has an integral frost protection setting at minimum 5 (installer adjustable) so that pipes in the                 house will never freeze in winter

    Low battery indicator

A3920 Wireless Fan Coil Thermostat