Hydraulic Connections; Electrical Connections - Wilo MVIL Notice De Montage Et De Mise En Service

5.2 Hydraulic connections

CAUTION !

5.3 Electrical connections

Supply network
Three-phase:
DO NOT FORGET TO CONNECT TO EARTH.
CAUTION ! A connection error would damage
the motor. The power cable must never touch
the pipe or the pump; make sure that it is shel-
tered from any humidity.
6. Starting up
6.1 Prior cleaning
6.2 Filling - degassing
CAUTION !
Pump under pressure (fig. 2)
WARNING ! In hot water, a stream of water
may escape from the venting port. Take all
required precautions as regards persons and
motor.
Pump in suction
1st CASE (fig. 5-1):
2nd CASE (fig. 5-2):
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