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3.6.6

Digital inputs (DCx, ACx)

The digital inputs can be used as follows:

Input no. 1: Start backwash process (signal must be applied for 3

seconds)

Input no. 2: Switch on filter pump (in lowered position filter). The

previously set speed n1 to n3 is running. The released speed

stage can be changed in the interval mode.

Input no. 3: This is used for special functions.

DC1, DC2 and DC3 must be used for potential-free contacts:

See the terminal diagram!

DC1: for potential-free contacts, for example, pressure switch at

the valve/filter

Function: When the pressure switch (t>3s) is triggered, a

backwash/rinse cycle is started (available optionally; article no.

260.6402.087)

DC2: for potential-free contacts, for example manual, external

switches. If 24-hour filtering is wanted, a bridge must be set from

DC2 to GND.

Function: The pump switches to the "Filter" position as soon as

the switch is closed.

DC3: for potential-free contact, e.g. dry run protection

Function: Trigger at start pump (time A up to 60 s) and trigger

time of pump within the operating time (time B up to 60 s) and

reset. The display "-" stands for manual reset, the display "%"

means that the pump starts running again after 15 minutes.

AC1, AC2, AC3 and N must be used for 230 V-bearing signals:

See the terminal diagram!

NOTICE

The N at the terminal AC1, AC2, AC3, N applies as general N for

all three inputs. If different phases are incorporated by confusing L

and N at ACx, there is a threat of immediate malfunctioning of the

board.

Pay special attention to phase L and neutral N of the

BADU OmniTronic and the general voltage-bearing cables!

30 EN

03|2022

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Digital Inputs (Dcx, Acx) - BADU OmniTronic Translation Of Original Operation Manual

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