TF428WNM Orchid 1 modbus communicating thermostat

The Orchid 1 modbus communicating thermostat is designed for a 3 speed fan and a motorized valve control in a fancoil system. The typical application including:

• 2-pipe cool only/heat only/manual changeover
• 4-pipe cooling/heating manual/automatic changeover
• Ventilation mode
• Manual or automatic 3-speed fan control
• On/off water valve control
• Using Modbus RTU protocol that can be easily integrated into building automation systems.