Installation
Electrical installation
13
© Lutz-Jesco GmbH 2018
Subject to technical changes
180321
BA-24721-02-V02
Chlorine gas changeover unit
C 7523
Operating instructions
Terminal plan
Fig. 8: Control circuit board
Position
Description
A
Connector for the ribbon cable
B
Switch SW1/SW2
C
Microfuse 3.15 A (T)
D
Reserve fuse
Table 10: Elements of the circuit board
Switch
Function
Switch
downwards
Switch
upwards
SW1
Residue
discharge
OFF
(delivery state)
ON
SW2
Service switch
Normal mode
(delivery state)
Diagnosis
(only for the
factory customer
services dept.)
Table 11: Functions of the switch SW1/SW2
A
B
C
D
Terminal
Function
1
L
Left-hand
rotation phase
Voltage output to the motor
ball valve
2
L
Right-hand
rotation phase
3
PE
Protective
conductor
4
N
Neutral
conductor
Table 12: Terminal connection
Terminal
Function
5
Left
Position feedback from the motor ball valve
6
com
7
Right
8
+
Input for the contact gauge
9
-
10
Relay operating output on left
(NO, max. 3 A/250 V AC)
11
12
Relay operating output on right
(NO, max. 3 A / 250 V AC)
13
14
Relay output on left battery empty
(NO, max. 3 A / 250 V AC)
15
16
Relay output on right battery empty
(NO, max. 3 A / 250 V AC)
17
18
NO
Relay output fault (max. 3 A / 250 V AC)
active if both side are empty or fault on the motor
19
com
20
NC
21
N
Neutral
conductor
Mains input
115 - 230 V AC
22
PE
Protective
conductor
23
L
Phase
Table 12: Terminal connection
