Operating; Operation Monitoring - FLUVO WK Notice D'utilisation

7.2

Operating

7.2.1

Operation Monitoring

In most cases the centrifugal pump is controlled from the central point of the overall facility.
A prerequisite for a perfectly functioning centrifugal pump is adherence to the data
provided for its installation and use. See the chapter on specifications.
Important:
!
Pay particular attention to the following points for the manual operation of the
centrifugal pump:
1. Temperature of the delivery fluid: The centrifugal pump may only be operated using
water tempertures ranging from t = 0 to +50°C.
2. Temperature of the motor cooling air: The maximum temperature of the motor
cooling air is 40°C. If higher temperatures should arise (e.g. in a pump pit) then
sufficient ventilation must be provided for.
3. Switching frequency: To avoid a large temperature increase in the motor and
excessive strain on the centrifugal pump, the motor and bearings, do not switch the
motor on and off more than once per minute.
4. Minimum amount: If the sort of facility includes the possibility of a run against closed
shut-off device on the pressure-end, a minimum delivery rate of 2 m³/h at t = 0 to +50°C
must be supplied during this time (e.g. bypass).
5. Density of the delivery fluid: The power input of the pump changes in proportion to
the density of the delivery fluid. To prevent the motor being overloaded, the density
must correspond to the data in the specifications.
7.2.2 Miscellaneous
Installed reserve pumps must be run briefly once a week to ensure that they are always
ready for operation. The period of operation should
be approx. 15 minutes each time.
106 Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
OPERATOR'S MANUAL
Pumpe Typ WK / WKN
Version: 27220 - A