Filling And Venting - Wilo Star-Z Série Notice De Montage Et De Mise En Service

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CAUTION! Risk of short circuit!
Once electrical connection is complete and in order to protect
the terminal box from moisture, the terminal box cover must
be sealed according to regulations.
• Earth the pump/installation in accordance with the regulations.
• When connecting automatic switchgears (for double pumps),
observe the relevant installation and operating instructions.
Note: Double pumps: Provide a separate mains connection
cable and a separate fuse on the mains side for both motors of
the double pump.
8 Commissioning
WARNING! Risk of injury and damage to property!
Incorrect commissioning can cause personal injury or prop-
erty damage.
• Commissioning by qualified personnel only!
• Depending on the pump or system operating conditions
(fluid temperature), the entire pump can become very hot.
Touching the pump can cause burns!
8.1

Filling and venting

Fill and vent the system correctly.
The pump rotor room is vented automatically after a short operat-
ing period. Dry running for short periods will not harm the pump.
Please proceed as follows if it is necessary to vent the rotor room:
• Switch off the pump.
WARNING! Risk of injury!
Depending on the pump or system operating conditions
(fluid temperature), the entire pump can become very hot.
Touching the pump can cause burns!
• Close the shut-off device on the pressure side piping
34 WILO SE 08/2019