Controllers for CH Pumps
Principle of Operation
The EU-20 regulator is intended to control the CH water circulation pump. The potentiometer is used to adjust the set temperature. The regulator’s task is to: switch on the pump if the temperature reaches the set value, and to switch it off if the furnace cools down 2°C below the set value. Such an operation mode prevents the unnecessary operation of the pump which makes it possible to save electricity and extends the pump’s life as well as improves its reliability.
Functions Performed by the Controller:
CH pump control
Controller’s Equipment:
CH temperature sensor
Potentiometer to adjust the set temperature
| Specification | Unit | |
| Power supply | V | 230V/50Hz +/-10% |
| Max. power consumption | W | 2 |
| Ambient temperature | °C | 5÷50 |
| Max. pumps output load | A | 1 |
| Temperature CH adjustment range | °C | 25÷85 |
| Hysteresis | °C | 2 |
| Measurement accuracy | °C | 1 |
| Sensor cable length | m | 1,5 |
| Temperature measurement range | °C | 0÷85 |
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