TFR
Frost protection thermostat for downstream temperature monitoring of e.g. heat exchangers in ventilation and air-conditioning systems. The product offer a small differential gap and a high reproducibility. Resetting can be done automatically or manually (type '-R'). The frost protection thermostat can be used to perform the following functions: stop fan, close outside air dampers, open heating valve 100%, start heating pump, switch-off chiller (condenser) and de-/humidifier, trigger visual and/or audible frost alarm.
Measured values | temperature |
---|---|
Medium | air |
Output switch contact | single pole change over, switching capacity max. 10 A (250 V ~) |
Accuracy temperature | repeatability ±0,5 K |
Setpoint range | -10..+15 °C (default +5 °C) |
Switching values | switching differential: 2 °C ±1 °C |
Enclosure | PA6, light grey, cover ABS, transparent |
Protection (IP) | IP65 according to EN 60529 |
Cable entry | M16 for wire max. Ø=8 mm |
Electrical connection | terminal block, max. 2,5 mm² |
Capillary pipe | copper with tube filling R507, length 1,8 | 3 | 6 | 12 m, sensor operating length approx. 600 mm |
Ambient condition | -35..+70 °C, max. 85% rH short term condensation |
Delivery content | Installation set TFR/MWF (6 pcs) |