KSB PumpDrive 2 - Page 45

7 Installation at Site
45 of 212
PumpDrive 2
DANGER
Opening the protective cover with the master switch in the OFF position
Risk of fatal injury due to electric shock!
▷ Disconnect the frequency inverter from the mains before carrying out any
maintenance and installation work.
▷ Prevent the frequency inverter from being re-started unintentionally when
carrying out any maintenance and installation work.
ü The master switch has been installed in the protective cover.
1. Guide the power cable through the cable gland.
L1 L2 L3
LINE
PE U V W
MOTOR
PTC
MOTOR
PE
-
L1
L2
L3
N
PE
1
2
3
4
5
M
3~
BR
+
L1 L2 L3PE
7
8
6
6
Fig.26: Example of power supply connection and motor connection to designated
terminals, size B
① Mains connection ② Motor connection
③ PTC connection ④ Braking resistor
⑤ Motor PTC ⑥ Jumper for IT mains
⑦ Power supply connection terminal
for master switch version
⑧ Master switch
2. Sizes A, B and C: Connect the power cable and the motor connection cable to
the designated terminals on the inside of the protective cover.
Sizes D and E: Connect the power cable and motor connection cable directly to
the master switch.