Wilo Control MS-L Series Installation And Operating Instructions Manual page 20

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6.5.3 Switchgear mains connection
1/L1 3/L2 5/L3 N
1
2/T1 4/T2 6T3 N
1~230V
50/60Hz
L N
Fig. 4: Mains connection 1~230 V with main
switch
1/L1 3/L2 5/L3 N
1
2/T1 4/T2 6T3 N
3~400 V
50/60 Hz
L1 L2 L3 N
Fig. 5: Mains connection 3~400 V with main
switch
20
Installation
CAUTION
Risk of material damage due to incorrectly set mains voltage!
The switchgears Control MS-L... and MS-L...-O are suitable for connection to the
mains voltages 1~230 V and 3~400 V. The switchgears are set to the mains voltage
3~400 V at the factory. Install the two cable bridges on the mains terminal strip for
connection to the mains voltage 1~230 V. Incorrect connection destroys the
switchgear!
The switchgear Control MS-L...-LS is only suitable for the stated mains voltage!
Control MS-L...: Mains connection 1~230 V, with main switch
Insert the connection cables laid by the customer through the threaded cable glands
and secure. Connect the wires to the main switch as per the connection diagram.
1 Main switch
1 2 3 4
7
4 Terminal strip: Earth
L1 N
7 Terminal strip: Mains connection
8 DIP switch 1
ON DIP
8
NOTICE! Install two cable bridges on the mains terminal strip: Terminal 1/2 and ter-
1 2 3 4 5 6 7 8
minal 3/4.
ƒ
Cable: 3-core
PE
4
ƒ
Terminals: 4/T2 (L), N (N)
ƒ
Connect the protective earth conductor (PE) to the terminal strip: earth (;).
ƒ
DIP switch 1, DIP 8: OFF
PE
Control MS-L...: Mains connection 3~400 V, with main switch
1 Main switch
1 2 3 4
7
4 Terminal strip: Earth
L1L2L3N
7 Terminal strip: Mains connection
8 DIP switch 1
ON DIP
8
NOTICE! Do not install any cable bridges on the mains terminal strip!
1 2 3 4 5 6 7 8
ƒ
Cable: 5-core
ƒ
Terminals: 2/T1 (L1), 4/T2 (L2), 6/T3 (L3), N (N)
PE
4
ƒ
Connect the protective earth conductor (PE) to the terminal strip: earth (;).
ƒ
DIP switch 1, DIP 8: ON
ƒ
There must be a clockwise rotating field!
PE
Control MS-L...-O: Mains connection 1~230 V, without main switch
Insert the connection cables laid by the customer through the threaded cable glands
and secure. Connect the wires to the terminal strip according to the connection dia-
gram. WARNING! Mains isolator to be provided by the customer!
WILO SE 2020-05