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Controller EU21
Controller EU21
Controller EU21
Model: eu21
Shipping Weight: 1 lbs
€100.20
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Central Heating Pump Controllers with LED Display
Description
EU-21 controller with LED display is intended to control the central heating water circulation pump. The controller's task is to switch the pump on when the temperature reaches the set value and to switch it off when the boiler cools down below the set hysteresis value. Such a functioning mode prevents unnecessary operation of the pump, which allows to save electric energy and prolongs life of the pump as well as improves its reliability. EU-21 controller may also serve as a thermostat switching the pump off after reaching the set temperature. The controller also has an anti-stop function which prevents too long period of the circulating pump's operation standstill after the season (the pump is switched on approx. every 10 days for 1 minute). An additional protection is the anti-freeze function which prevents water freezing in the system (when the temperature drops below 6 °C, the pump is switched on permanently).
Functions performed by the controller:
- CH pump control
- possible operation as a thermostat
- anti-stop function
- anti-freeze function
Equipment of controller:
- LED display
- CH temperature sensor
Power supply V 230V/50Hz +/-10%
Maximum power consumption of the controller W 2
Ambient temperature °C 5÷50
Maximum output load of the pump A 1
CH temperature range °C 25÷85
Hysteresis °C 1÷10
Accuracy of measurement °C 1
Thermal resistance of the sensor °C -25÷90
Fuse-link A 1,6
Sensor cable length m 1,5
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