Commissioning - Wilo Rexa MINI3 Serie Instrucciones De Instalación Y Funcionamiento

Commissioning

Pump with three-phase current motor
The pump is suitable for connection to a clockwise rotating field. Check the rotating
field with a rotating-field-testing device before connection and correct if necessary.
CAUTION! The pump is not approved for operation with a counter-clockwise ro-
tating field!
Carry out connection to a switchgear as follows:
Wire colour
Brown (bn)
Black (bk)
Blue (bl)
Green/yellow (gn-ye)
Adjust the motor protection
Set the motor protection switch to the rated current (see rating plate).
7 Commissioning
DANGER
Risk of fatal injury due to electrical currents in accessible
basins!
Do not operate the pump if there are persons in contact with the fluid. In the
event of a fault this may cause death by electric shock! Only activate the pump
when there are no longer any persons in contact with the fluid.
NOTICE
Check the inlet quantity!
The maximum inlet volume flow must be less than the maximum pump delivery
rate. If the inlet quantity is higher, the pump will not be able to pump away the
volume flow. The pump chamber may overflow!
Check the following prior to commissioning:
▪ Has the electrical connection been carried out in accordance with regulations?
▪ Has the connection cable been routed safely?
▪ Can the float switch move freely?
▪ Has the switching level (minimum water level) been checked?
▪ Have the min./max. temperatures of the fluid been adhered to?
Installation and operating instructions Wilo-Rexa MINI3
Terminal in switchgear
U
V
W
Earth (protective earth conductor)
en
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