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5.2 Frequency-controlled filter pump (VS pumps)
General connection diagram for illustrative purposes:
230V AC + RCD (≤ 30 mA)
1
2
A frequency-controlled pump is connected via the digital inputs exclusively designed for this purpose :
1
2
3
4
No.
Name
1
GND
2 / 3
Stop (NC) / Run (NO)
4
Low
5
Med
6
High
Depending on the pump model/manufacturer used, there are different connection scenarios to the digital inputs. The
most common models are covered here and described below.
Important:
1) Frequency-controlled pumps from other manufacturers can be controlled as long as their connection logic matches
that of one of the pumps described below.
In any case, always consult the pump manufacturer's operating instructions and make sure that you have read and
understood all connection instructions as well as all safety instructions.
2) Before connecting the digital input cable to the Smart&Easy Control Module, switch off the entire electrical system.
3) The digital inputs are dry contacts that must never be associated with the phase, neutral or ground of the filter
cabinet's power supply, as this can damage the pump. If you don't need one of the wires of the cable for the external
digital inputs, electrically insulate it.
3
5
6
Digital inputs: 150 mW / 35 V DC / 50 mA each
Description
Ground Connection
→ Already connected internally to the other terminals (no bridges required)
Stop = closed / Run = open
Slow pump speed
Medium pump speed
Increased pump speed
4
The Smart& Easy Control Module can only switch to GND or
"Minus" . Positive voltages (e.g. +12 V) cannot be switched!
Attention: Outputs must not come into contact with 230 V!
The power supply to the pump must be provided separately.
1
Circuit breaker
2
VSP Filter Pump
Digital control cable of the filter
3
pump
4
Digital Inputs for the pump control
cable
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