Connection Of Pumps And Mixers; Power Cables - Xylem LOWARA Sekamatik 200 Manuel D'installation, D'utilisation Et D'entretien

The machinery does not run smoothly and makes noises
Cause
The machinery runs in inadmissible operating range
Pump inlet, intake strainer and/or wheel/propeller
congested
Impeller does not run smoothly
Inadmissible content of gas in the pumped medium
Dual phase operation
Wear and tear
Engine mount defective
Machine mounted askew
Further steps for troubleshooting
If the aforementioned points do not help you to eliminate the fault, contact our customer service. They can help
you as follows:
Assistance by telephone or in writing by the customer service
Support on site by the customer service
Check/repair of the machinery in the factory
Please note that the use of certain services of our customer service might incur further costs! Please contact our
customer service for further information.

8.1. Connection of pumps and mixers

Danger from electric current!
Incorrect working with electric current brings danger to life! All pumps with bare cable ends must be
connected by a skilled electrician.

8.1.1. Power cables

Pumps in Star 3-phase version
Cable identification Motor
U1
V1
W1
U2
V2
W2
Pumps in Direct start version
Cable identification Motor
U
V
W
Remedy
Check the operating data of the machinery and correct, if
appropriate and/or adjust the operating conditions
Clean suction branch, suction filter and/or
impeller/propeller
Switch off machinery, protect against restart, restore
operability of the impeller
Contact the manufacturer
Specialist to check connection and to correct, if
appropriate
Replace worn parts
Contact the manufacturer
Check assembly and use rubber compensators
Terminal in control
cabinet
U1
V1
W1
U2
V2
W2
Terminal in control
cabinet
U1
V1
W1
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