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1.2 The Different Parts:
The Control Unit: (art. no. 2220111)
The control unit receives the signal from the presence detector
and controls the ball valves. The signal from the presence detector
is 230 vac and the motorised ball valves run at 12 vdc. Up to three
motorised ball valves can be controlled with one control unit.
Mount in a suitable place in the monitored space.
Motorised Ball Valves: (art. no. 2130051 DN15)
Motorised ball valves to turn water supply ON and OFF.
The units are intended for tap water, 0-60°C and 0-10 bar.
If the power goes out, they can also be operated manually with
a mechanical knob on the unit. Lift the knob 5 mm and turn
clockwise to close the valve. The indicator next to the knob shows
open/closed.
Mount in a suitable place on the water pipes which are to be controlled.
Presence Detector:
If an existing presence detector is available, it can be used
to control the control unit if it can control fluorescent
lights and other reactive loads, but not if it can only control
incandescent lights.
The same presence detector is used for the lighting in the room.
We recommend Eljo Trend, E1904391. The delay on the presence detector is set
to how long the water and lighting should be on after no presence is detected.
Mount in a suitable place in the monitored space.