Specifications
- Power Supply: 220(+10%,-15%)VAC, 50Hz
- Control: PI, On/off output
- Accuracy: ±1°C at 21°C
- Rating Capacity: 3A for fan load, 2A for zone valve
- Protection Class: IP20
- Set Point Range: 10 ~ 32°C
- Display Range: 0 ~ 37°C
- Ambient Operating Limits: 0~ +49°C
- Ambient Storage Limits: -30 ~ +49°C
- Humidity Limits: 5~90% RH, non-condensing
详情
The TF228WN digital thermostat is designed for 3-speed fan and valve control in a fan coil system, including:
- 2-pipe cool only/heat only/manual changeover
- Ventilation mode
- Manual or automatic 3-speed fan control
- Water valve control
Besides the basic controls, TF228WN featuring CPH (Cycle Per Hour) better maintains the room temperature to the set- point and memorized time off function can automatically turn off the thermostat to save energy.
In addition, Honeywell Random start-up function would help to maintain power grid stability.
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