Wilo VeroLine-IPS 20, Installation And Operating Instructions Manual

English

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WILO SE 11/2013

• Any escaping dripping water can not penetrate into the motor ter-

minal box.

• If condensation or leak water is expected, a drain pipe can be con-

nected to the drain hole (Rp ¼), which flows into a duct.

The motor may have to be turned after loosening the socket screws.

CAUTION! Risk of material damage!
Danger of damage due to incorrect handling. 

• Do not damage the housing flat gasket.

NOTE
When pumping out of a tank, ensure that the liquid level is always 
high enough above the suction port of the pump so that the pump 
never runs dry. The minimum intake pressure must be observed.

NOTE
In the case of insulated systems, only the pump housing may be insu-
lated, not the lantern and motor.

7.2

Electrical connection

Safety

DANGER! Risk of fatal injury!
An improper electrical connection can result in a fatal electrical 
shock.

• Have the electrical connection established by an electrician 

approved by the local electricity supplier only and in accordance 
with local regulations.

• Observe the installation and operating instructions for the acces-

sories!

WARNING! Risk of mains overload!
An inadequate mains design can lead to system failures and even to 
cable fires due to mains overload. 

• When designing the mains, with regard to the cable cross-sections 

and fuses, give special consideration to the fact that short-term 
simultaneous operation of all pumps is possible in multi-pump 
operation.

Preparation/notes

• The electrical connection must be established via a fixed power cable, 

which is provided with a plug device or an all-pole switch with a con-
tact opening width of at least 3 mm (in accordance with VDE 0730 
Part 1 in Germany).

• The connection line is to be installed in such a way that it cannot 

under any circumstances come into contact with the pipe and/or the 
pump and motor housing.

• In order to ensure drip protection and strain relief on the threaded 

cable connection, cables are to be used which have a sufficient outer 
diameter and are to be screwed sufficiently tightly. To get rid of any 
drips that accumulate, the cables are to be bent into a drain loop near 
the threaded cable connection.

• Position the threaded cable connection or lay the cables accordingly 

to ensure that no drips can run into the terminal box.

• Unused threaded cable connections must be sealed to ensure the 

electrical protection class of the motor is maintained.

• When pumps are used in systems with water temperatures above 

90 °C, a suitably heat-resistant power cable must be used.