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TH-1903 FAN COIL THERMOSTAT
The TH-1903 is a family of digital fan coil thermostats for residential and
commercial applications such as hotels, condominiums, etc.
2 models for your application
· 2-pipe or 4-pipe with manual/automatic
heat/cool seasonal changeover
· 120 or240 Vac.
TH-1903 is designed for application of 3-speed fan and valves in fan coil system.
Including:
2-pipe cool only/heat only/manual changeover and 4-pipe manual or automatic changeover
Ventilation mode
Manual or automatic 3-speed fan control
Water valve control
Fan speed can be selected to automatic or manual 3-speed control mode
In ventilation mode, fan only support manual speed control
Easy Set button to select Fan mode, system mode and system off
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