- Selectable internal and external temperature sensor
- Pluggable terminal block allows pre-wiring outside of the controller
- An automatic device for regulating temperature by controlling the supply of electricity
Honeywell communicating thermostat is designed for 3-speed fan and a motorized valve control in fan coil system. The typical application including: 2-pipe cool only/heat only/manual changeover. Ventilation mode, manual or automatic 3-speed fan control, water valve control. The tf228wnm/u is available in modbus rtu protocol and can be easily integrated into building automation system. Thermostat is a device used to detect temperature changes for the purpose of maintaining the temperature of an enclosed area essentially constant.
In a system including relays, valves, switches, etc., the thermostat generates signals, usually electrical, when the temperature exceeds or falls below the desired value. As the temperature of the house goes up and down the two different types of metal expand and contract, and this switches the electric circuit connected to your heating system on and off. For additional information regarding the product, please contact with dubuy support team.
| Specifications | |
| Power Supply | 220(+10%,-15%)V |
| Accuracy | ±1°C at 21°C |
| Rating Capacity | A for Fan Load, 2a for Zone Valve |
| Protection Class | IP24 |
| Set Point Range | 10 ~ 32°C |
| Display Range | 0 ~ 37°C |
| Ambient Operating Limits | 0~ +49°C |
| Humidity Limits | 5~90% Rh, Non-Condensing |
| Frequency | 50Hz |
| Current Type | AC |
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