Regulus UR1 A-DT Installation And Operation Manual Download Page 3

REGULUS - Controller UR1 A-DT - www.regulus.eu

Electricity data

Controller

Power supply

2 AC 230 V

Nominal voltage

230 VAC

Nominal current

16 mA

Operating temperature

5 to 40 °C non-condensing

Storage temperature

0 to 60 °C

Mounting

on a wall

Fuse

200 mA / 250 V

IP rating

IP 20

Max. conductor cross section area

1,5 mm

2

Relay

Max. voltage

250 VAC, 30 VDC (min. 100 mA / 5 VDC)

Max. current

5 A

Load

resistive

Terminal marking

 

PE – power supply

 

T1 – temperature sensor

 

T2 – temperature sensor

 

Rele – relay terminals

 

Jumper - when closed, the relay is permanently closed disregarded of sensor temperatures 

             (however the sensors need to be connected).

 

Trimmer – to set temperature difference between T1 and T2 temperature sensors. At the counterclockwise 

 

end stop, the difference is 15 K, at the clockwise end stop, the difference is 8 K. The pump is switched 

 

off as soon as the temperature difference between the sensors drops below 4 K.

Relay

Power supply

Pump

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