Product Description
The TF243 series digital thermostat is designed for 3 speed fan and modulating valve control in a fan coil system, including:
- 2-pipe cooling only/heating only/manual changeover
- Ventilation mode
- Manual or automatic 3-speed fan control
- Modulating water valve control
Besides the basic controls, TF243 series provide Random Start-up function to maintain power grid stability. In addition, the Memorized Time Off function can automatically turn off the thermostat to save energy.
Technical Properties
| Protection class |
IP20 |
| Temp. setpoint range |
10 ... 32 oC |
| Additional Descriptions |
- Modulating Output DC 0~10V
- Auto Cycle times 100,000 times
- Manual Cycle times 10,000 times
- Display range 0 ~ 37C
- Ambient storage limits -30 ~ +60C
- Humidity limits 5~90% RH, non-condensing
- Remote temperature sensor NTC20K
- Pollution Degree 2
- Protection against electric shock class Class II
- Rated Impulse Voltage: 2500V
- Maximum Temperature for relay wiring 155C
|
| Temperature control accuracy |
+/- 1 oC |
| Ambient temp. limit |
0~ +49C |
| Power supply |
24(10%)VAC, 50/60Hz |
