The frost protection thermostat TFR is used for downstream temperature monitoring of water air heaters in ventilation and air-conditioning systems to prevent frost damages. It has a small differential gap and a high reproducibility. The reset can be done automatically or manually in case of type '-R'. The frost protection thermostat can be used to initiate the following frost protection functions: Stop fan, Close outside air dampers, Open heating coil valve 100%, Star heating coil pump, Switch-off chiller (condenser) and humidifier, Trigger visual and/or audible frost alarm

Measuring valuestemperature
Output switch contactsingle pole change over, switching capacity max. 10 A (250 V ~)
Accuracy temperaturerepeatability ±0,5 K
Set point range-10..+15 °C (default +5 °C)
Switching valuesswitching differential: 2 °C ±1 °C
EnclosurePA6, light grey, cover ABS, transparent
ProtectionIP65 according to EN 60529
Cable entryM16 for wire max. Ø=8 mm
Connection electricalterminal block, max. 2,5 mm²
Capillary pipecopper 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 contentsInstallation set TFR/MWF (6 pcs)

Contact us:

Thermokon Sensortechnik GmbH
Platanenweg 1
35756 Mittenaar
Tel.: +49 2778 6960-0

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