English
12 WILO SE 12/2020
Pump mains connections
CAUTION! Risk of damage to the product!
Observe the installation and operating instruc
-
tions for the pumps!
Power connection
The pumps must be connected to the terminal
strips in accordance with the circuit diagram, PE
must be connected to the earth rail. Use shielded
motor cables.
Connecting cable shields to the EMC threaded
cable glands
(CC ... WM)
(1) or
(2)
(3)
Connecting cable shields to the shield clamps
(CC ... BM)
NOTICE:
The length of the cut (step 3) must be matched
exactly to the width of the clamp used!
NOTICE
If the pump connection cables are extended
beyond the dimension supplied ex-works, it is
necessary to comply with the EMC note in the
operating manual of the frequency converter (only
CC-FC version).
Connection of excess temperature protection/
pump fault
The thermal winding contacts or fault signal con
-
tacts (CCe version) on the pumps can be con
-
nected to the terminals in accordance with the
circuit diagram.
CAUTION! Risk of damage to the product!
Do not connect any external voltage to the
terminals!
Connection of pump control signal (CCe version
only)
Analogue control signals of the pumps (0 – 10V)
can be connected to the terminals in accordance
with the circuit diagram. Use shielded cables.
CAUTION! Risk of damage to the product!
Do not connect any external voltage to the
terminals!