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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.
2. Open a water outlet to depressurise the system.
CAUTION
The system might be hot.
Ensure sufficient cooling time.
Wear glasses.
Wear gloves and be aware of
chemicals.
WARNING
To ensure machine safety, use only original
and apporved spare parts.
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.
20
This marking must be located within an angle of +/-
30° parallel to the direction of flow, as shown in the
example.
Diagram of sensor fitted in a pipe.
30°
Loctite 577 is used at the factory to seal the thread,
but packing yarn/packing tape can also be used.
9.2. Components
9.2.1.
Pump/motor
Pump/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 "
tem.
2. Remove the cover.
3. Turn the "rinse/foam" handle to foam position.
4. Activate the spray handle on the outlet hose so
water runs out.
5. Check that the flow switch is turned the correct way
(the wire must follow the 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
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diode lights up.
8. Mount the cover.
Mark
Flow
30°
" on the control display to stop the sys-
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