Wilo Control MS-L, Installation And Operating Instructions Manual

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en
Installation and operating instructions • Wilo-Control MS-L • Ed.02/2022-05 23
GL
WSK
-P2
WSK
-P1
SL
10 9 8 7 6 5 4 3 2 1
HW
HW GL
WSK
6 5 4 3 2 1
3
3
Control MS-L1.../MS-L...-O
WSK
6 5 2 1
3
Control MS-L1...-LS
Control MS-L2.../MS-L...-O
WSK
-P2
Sensor
+ ln
Sensor
+ ln
WSK
-P1
10 9 4 3 2 1
3
Control MS-L2...-LS
Fig. 11: Terminal strip sensors: thermal motor
monitoring
Connect one thermal motor monitoring device with bimetallic strips per pump. Do not con-
nect a PTC sensor!
Insert the connection cables laid by the customer through the threaded cable glands and se-
cure. Connect the wires to the terminal strip according to the connection diagram.
Switchgear Pump 1 Pump 2
Control MS-L1... Terminal 1/2
Control MS-L2... Terminal 1/2 Terminal 3/4
NOTICE! If a winding monitor is connected, remove the converter bridge installed at the
factory!
6.5.8 Connection of signal transmitter
for level control device
NOTICE
Do not apply external voltage!
An external voltage which is applied destroys the component.
GL
WSK
-P2
WSK
-P1
SL
10 9 8 7 6 5 4 3 2 1
HW
HW GL
WSK
6 5 4 3 2 1
3
3
Control MS-L1.../MS-L...-O
WSK
6 5 2 1
3
Control MS-L1...-LS
Control MS-L2.../MS-L...-O
WSK
-P2
Sensor
+ ln
Sensor
+ ln
WSK
-P1
10 9 4 3 2 1
3
Control MS-L2...-LS
Fig. 12: Terminal strip sensors: Level detec-
tion connection
Control MS-L.../MS-L...-O
Connect float switch for the level detection. Level detection with a level sensor or electrodes
is not possible!
Control MS-L...-LS
A rod float sensor is used for the level detection. The sensor is installed in the lifting unit at
the factory. Level detection with float switches or electrodes is not possible!
Insert the connection cables laid by the customer through the threaded cable glands and se-
cure. Connect the wires to the terminal strip according to the connection diagram.
Switchgear Base load (GL) Peak load (SL) Sensor
Control MS-L1.../MS-L1...-O Terminal 3/4 − −
Control MS-L1...-LS − − Terminal 5/6
Control MS-L2.../MS-L2...-O Terminal 5/6 Terminal 7/8 −
Control MS-L2...-LS − − Terminal 9/10
6.5.9 High water alarm connection
NOTICE
Do not apply external voltage!
An external voltage which is applied destroys the component.