Wilo Star-RS 25/6 Notice De Montage Et De Mise En Service page 25

English
CAUTION! Risk of short circuit!
Once electrical connection is complete and in order to pro-
tect the terminal box from moisture, the terminal box cover
must be sealed according to regulations.
• Earth the pump/system according to regulations.
• When connecting automatic switchgears (for double pumps),
observe the relevant installation and operating instructions.
Note: Double pumps:Provide a separate power cable and a sep-
arate 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 lead to injuries to persons and
damage to property.
• Commissioning by qualified personnel only!
• Depending on the operating status of the pump or system
(fluid temperature), the entire pump can become very hot.
Touching the pump can cause burns!
8.1 Filling and bleeding
Fill and bleed the system correctly.
It is necessary to vent the pump if, for example, the radiators
remain cold although the heating and pump are running. The
pump does not pump any water if there is air in the pump room.
The pump rotor compartment is vented automatically after a
short operating 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.
14 WILO SE 03/2015