Wilo Control EC-Booster Notice De Montage Et De Mise En Service page 60

en
6.5.6 Mains connection: Variable-speed
pump (electronically controlled
pumps)
5
2 4 6
L1 L2 L3
~
FC
~
L N
~
~
Fig. 11: Pump connection
6.5.7 Connection, thermal motor mon-
itoring
x
Fig. 12: Connection overview symbol
6.5.8 Connection to the frequency con-
verter error messages
x
Fig. 13: Connection overview symbol
60
Installation
▪ The rated current set for the motor monitoring (menu 4.25 – 4.27)
3 Terminal strip: Earth (PE)
5 Circuit breaker
FC Frequency converter
3
Insert the connection cable laid by the customer through the threaded cable glands and
secure. Connect the wires to the circuit breaker as per the connection diagram.
NOTICE! Connection is only possible using the Wilo-Control EC-B switchgear!
NOTICE
Do not apply external voltage!
An external voltage which is applied destroys the component.
One thermal motor monitoring device with bimetallic strips can be connected per
pump. Do not connect PTC or Pt100 sensors!
Insert the connection cable laid by the customer through the threaded cable glands and
secure. Connect the wires to the terminal strip according to the connection diagram.
Use the terminal number shown in the connection overview in the cover. The num-
ber shown in location "x" on the symbol indicates which pump it refers to:
▪ 1 = pump 1
▪ 2 = pump 2
▪ 3 = pump 3
NOTICE! Connection is only possible using the Wilo-Control ECe-B switchgear!
NOTICE
Do not apply external voltage!
An external voltage which is applied destroys the component.
One external error message of the frequency converter can be connected per pump.
The frequency converter output needs to act as a normally closed contact!
Insert the connection cable laid by the customer through the threaded cable glands and
secure. Connect the wires to the terminal strip according to the connection diagram.
Use the terminal number shown in the connection overview in the cover. The num-
ber shown in location "x" on the symbol indicates which pump it refers to:
▪ 1 = pump 1
▪ 2 = pump 2
▪ 3 = pump 3
WILO SE 2019-07