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3.4 Electrical connections
863 and 873 series valves can be connected to all control boxes of the new 4669 series as well as
to all control boxes of the previous 4663 and 4664 series and all ARAG computers.
3-wire operation > 4669 series control boxes:
- 12 Vdc power supply always on.
- Valve opens when opening/closing control is fed with
12 Vdc. Valve closes when control power is cut.
2-wire operation > 4663-4664 series control
boxes:
- Opening/closing movement obtained by reversing
power polarity with a double switch.
In both cases, the motor absorbs current only during the valve movement.
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