Installation
User Manual Chemical centrifugal pumps with mechanical seal V080716
22
5.3
Electrical installation
/i
1. Electrically connect the product according to the tables above.
2. Remove the connection strips in case of a star-delta switch.
WARNING
-
If you do the electrical installation of the product, make sure
that you are qualified. Obey the local regulations.
-
Make sure that you do not connect the electric motor of the
product directly to the mains.
-
Electrically earth the product in accordance with DIN VDE 0100.
-
Use a suitable main switch with adequate safety protection.
-
Read the sticker located on the inner side of the cover of the
electrical connection box of the motor and compare the data
with the available power supply.
-
Make sure that the security class of the motor complies with
the local safety rules.
-
The available voltage and frequency must be the same as the
voltage and frequency information on the motor identification
plate.
Ty
p
e
Pole
Motor power
C
onn
ectio
n
Pole
Motor power
C
onn
ectio
n
KR-15-85 – KR-50-160
2
< 5.5kW 230/400V
4
< 2.2kW 230/400V
KR(V)/TK-80-160 – 150-250
2
≥
5.5kW 400/690V 4/6/8
≥
2.2kW 400/690V
CAUTION
For 400/690 V motors, a star-delta switch is strongly recommended.
U1
W2
U2
V1
W1
V2
L3
L1
L2
L2
L1
L3
V2
W1
V1
U2
W2
U1
U1
W2
U2
V1
W1
V2
L3
L1
L2
L2
L1
L3
V2
W1
V1
U2
W2
U1
L
N
Z1
V2
U2
V1
U1
Z2
1x 230V
3x 230V
400V
230/400V
230V
400/690V
C
M
V
M
V
690V
<2.2Kw
>2.2Kw