4.1.1
Direction of rotation check
The direction of rotation must be the same as the direction of rotation arrow on the blower
cover of the centrifugal pump.
Information:
i
Check by rapidly switching on and off.
In case of 3~phase motors if the direction of rotation ist wrong, change any two
phases L1, L2 or L3 of the power supply in the motor terminal box over.
4.1.2
Additional motor equipment
Important:
If particular control devices are to be used e.g. in connection with the installa-
!
tion of the centrifugal pump in a process engineering facility, the instructions of
the manufacturer of the control device must be strictly observed.
Pumpe Typ WK / WKN
Version: 27220 - A
OPERATOR´S MANUAL
Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
63