Maintenance, Trouble Shooting, Service; Installation Instruction For Flow Switch; Components; Pumps/Motor - Nilfisk Pegasus-BW4 Mode D'emploi

9. Maintenance, Trouble shooting,
Service
Service may only be carried out by authorized and
qualified personnel.
CAUTION
The system must only be serviced when
there is no voltage or pressure on the sys-
tem
1. Turn off the main switch at the control box
2. Open a water outlet to depressurise the syste

9.1. Installation Instruction for Flow Switch

There is a dot on one of the nut surfaces on the
sensor. This is used to position the contact point of
the sensor in relation to the direction of flow of the
medium.
This marking must be located within an angle of +/-
30° perpendicular to the direction of flow, as shown in
the example.
Mark
Flow
Diagram of sensor fitted in a pipe.
30°
30°
Loctite 577 is used at the factory to seal the thread,
but packing yarn/packing tape can also be used.
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9.2. Components

9.2.1.

Pumps/motor

Pumps/motor are maintenance free.
9.2.2.

Control system

Maintenance free
If defective: Call a service technician
9.2.3.

Flow switch

Maintenance-free.
If defective, replace the flow switch.
1. Press "0" on the control pane to stop the system.
2. Remove the cover
3. Turn "rinse/foam" handle on a satellite to foam
position.
4. Activate the spray handle on the outlet hose of
the satellite so water runs out.
5. Check that the flow switch is turned the correct
way (the wire must follow direction).
6. Turn the brass screw at the bottom of the hole
until a green diode lights up.
7. Close the spray handle again and check that the
red diode lights up.
8. Mount the cover.
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9.3. Preventive maintenance

Depending on usage, maintenance should be un-
dertaken by an authorised service engineer at least
once a year in order to prevent defects and failure of
operation. Authorised engineers are persons who due
to their skills and experience have sufficient knowl-
edge of the Booster Systems and are confident with
the state work safety regulations, accident prevent-
ing regulations, lines and generally acknowledged
technical regulations such as DIN-norms and VDE-
provisions. For your safety, this unit has been manu-
factured according to all relevant regulations valid in
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the EU and therefore it has been supplied with the
CE-marking. For further information, please refer to
the service department.

9.4. Internal cleaning of the unit

We recommend opening and cleaning the unit inside
min. once a month.
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