Product Description
The TF228WN-C 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-C featuring CPH (Cycle Per Hour) better maintains the room temperature to the setpoint and memorized time off function can automatically turn off the thermostat to save energy. In addition, Honeywell Random start-up function helps maintain power grid stability.
In addition, Honeywell Random start-up function helps maintain power grid stability.
Technical Properties
| Protection class |
IP20 |
| Temp. setpoint range |
10 ... 32 oC |
| Control output signal |
PI, On/Off output |
| Additional Descriptions |
- Auto Cycle times 100,000 times
- Manual Cycle times 10,000 times
- Monitor range 0 ~ 37C
- Ambient storage limits -30 ~ +60C
- Pollution Degree 2
- Humidity limits 5~90% RH, non-condensing
- Protection against electric Class II
- Rated Impulse Voltage: 2500V
- Maximum Temperature for relay wiring 155C
|
| Temperature control accuracy |
+/- 1 oC |
| Ambient temp. limit |
0~ +49C |
| Power supply |
220/230VAC, 50/60Hz |
