Installation en
Installation and operating instructions Wilo-RAIN3 41
Black arrow: suction
White arrow: discharge
4: city main water inlet (G3/4’’)
7: discharge connecting hose (G1’’ swivel nut)
8: suction connecting hose (G1’’ swivel nut)
7.5 Electrical connection
DANGER
Risk of electrocution!
Risk of electrocution in case of an incorrect electrical connection. The electrical con-
nection must be exclusively performed by an electrician qualified by the local energy
supplier and in compliance with the current local regulations.
The system must be supplied by a circuit composed of a residual differential current
device (RCD), with an assigned differential current of maximum 30 mA.
ƒ The system is ready for connection.
ƒ The current type and the supply network voltage should comply with the specifica-
tions on the rating plate. It is necessary to connect RAIN3 to a power supply with an
impedance of 0.3 ohm at maximum.
CAUTION
The device socket being the main switch of the system must be reachable at any
time for safety.
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