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Terminal Block Identification
Functions
(IN = input, OUT = output)
No.
Terminal
Type Function
Comment
PE
IN
Mains protective earth
N
L
IN
Mains, N = Neutral
Mains, L = Live
Mains input
230 - 240 V AC
n
l
OUT
3x Neutral, switched
3x Live, switched
Mains voltage, max. 4 A
10
11
12
AV
OUT
Desalination valve, c - contact
Desalination valve, nc - normally closed
Desalination valve, no -normally open
Volt-free relay output
max. load 240 V AC, 4 A
13
14
15
DO
OUT
Dosing output, c - contact
Dosing output, nc - normally closed
Dosing output, no - normally open
Volt-free relay output
max. load 240 V AC, 4 A
16
17
18
AL/EV
OUT
Output alarm/input valve, c - contact
Output AL/EV, nc - normally closed (*)
Output AL/EV, no - normally open (*)
Volt-free relay output
max. load 240 V AC, 4 A
19
20
-
-
-
-
not used !
21
22
WM (+)
WM ( - )
IN
Water meter input
Common load for water meter input
Connect volt-free contact water
meter!
23
24
25
-
-
RS232 - Gnd
-
-
-
-
not used !
26
27
LL ( - )
LL (+)
IN
-Empty message dosing container
-Common load for empty-message input
Connect volt-free switching contact!
28
29
FC ( - )
FC (+)
IN
-Common load for empty-message input
-Flow message desalination valve
Connect volt-free switching contact
(flow-controller)!
30
31
RS232 - TxD
RS232 - RxD
OUT/
IN
-
-
not used !
(*) please observe description of the alarm output AL/EV !