Touch Thermostat

All these thermostats are designed for HVAC system with a Fan Coil Unit (FCU) which is a device consisting of a heating and/or cooling heat exchanger or 'coil' and fan. It is part of an HVAC system found in hotel, residential, commercial, and industrial buildings.

These products are not compatible for window type, split type and portable air-conditioner.


This low-voltage touch thermostat is one part of user interface and it needs to combine with below modules to form a complete FCU control.

Modules Driver Board B32 Controller B33 Controller B31 Controller
Functions Integral thermostat Split-type digital thermostat Split-type modulating thermostat Split-type customized thermostat
Cooling valve Relay *1 Relay *1 0 ~ 10V *3
Heating valve Relay *1  Relay *1 No *3
Fan speed 3 relays *1 (L,M,H) 3 relays *1 (L,M,H) 3 relay *1 (L,M,H) *3
Real-time clock No Yes Yes Yes
Keycard input Yes/No *2 Yes Yes Yes
Check-in input No Yes Yes Yes
Window input No Yes Yes Yes
B3x operation mode No Yes Yes Yes
Data communication with FCU *3 No No No Yes
Remarks Descriptions
*1 All relays used in modules are Single-Pole Single-Throw, Normally-Open (SPST-NO).
*2 "Yes/No" is depended on model type of integral thermostat.
*3 B31 controller shall employ commands to dedicated FCU to control / monitor FCU's cooling, heating and fan speed over data communication.