Wilo Rexa UNI Notice De Montage Et De Mise En Service page 37

3.2 Improper use
DANGER
Explosion due to pumping of explosive fluids!
Pumping of highly flammable and explosive fluids
(gasoline, kerosene, etc.) in pure form is strictly pro-
hibited. There is a risk of fatal injury due to explosion!
The pumps are not designed for these fluids.
DANGER
Danger due to fluids hazardous to health!
If the pump is used in fluids hazardous to health, de-
contaminate the pump after dismantling and before
carrying out any other work! There is a risk of fatal in-
jury! Observe the specifications in the work regula-
tions! The operator must make sure that the person-
nel have received and read the work regulations!
CAUTION
Use in biogas applications forbidden!
The fluids in biogas applications are highly aggressive.
These fluids will destroy the pump. Use with these
fluids is strictly forbidden!
The submersible pumps must not be used for pumping
of:
▪ Drinking water
▪ Fluids containing hard components (such as stones,
wood, metal, etc.)
▪ Fluids containing high quantities of abrasive contents
(e.g. sand, gravel).
Intended use requires compliance with this manual. Any
other use is regarded as non-compliant with the inten-
ded use.
4 Product description
4.1 Design
Submersible sewage pump as a submersible monobloc
unit for intermittent operation for wet well installation.
Installation and operating instructions Wilo-Rexa UNI
Product description
Fig. 1: Overview
1
2
3
4
5
6
4.1.1
4.1.2
6
5
Handle/attachment point
Motor housing
Hydraulics housing
Pressure port
Pump support foot, integrated in hydraulics housing
Power supply cable
Hydraulics
Rotodynamic hydraulics with vortex impeller and hori-
zontal flange connection on the pressure side. The
screwed connection is integrated in the pressure port.
The hydraulics are not self-priming, in other words, the
fluid must flow in either automatically or with supply
pressure.
NOTICE
Combined connection for DN 50 and DN 65!
The Rexa UNI V06 is equipped with a DN 50/65 com-
bined connection. The factory setting of the connec-
tion is DN 65. To use the pump with a DN 50 connec-
tion, press the nuts in the flange inwards onto the
small hole circle. The flange can be reset to DN 65 at
any time!
Motor
The drive versions used are single-phase current and
three-phase current surface-cooled motors. The motor
is cooled by the fluid around it. The waste heat is trans-
ferred directly to the fluid via the motor housing. The
motor may emerge during operation.
With single-phase current motors, the operating capa-
citor is integrated in the motor. The connection cable is
available in the following versions:
en
1
2
3
4
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