Disposal; Maintenance And Repair; Maintenance Intervals; Maintenance Tasks - Wilo Easy Control MS-L 1x4kW Einbau- Und Betriebsanleitung

MAINTENANCE AND REPAIR

5. Switch off the entire unit so it is voltage-free and
secure it against accidental activation.
6. If the terminal for the collective fault signal is oc-
cupied, the external voltage source present there
must also be switched so it is voltage-free.
7. Disconnect all power supply cables and pull these
out of the threaded cable connections.
8. Connect the ends of the power supply cables so
that no moisture can enter into the cable.
9. Dismount the switchgear by undoing the screws
on the substructure.
8.3.1. return delivery / storage
For shipping purposes, the switchgear must be
packaged so it is protected against knocks and
waterproof.
Please also refer to the "transport and storage"
section.

8.4. Disposal

Proper disposal of this product avoids damage to
the environment and risks to personal health.
• Use the services of public or private waste dis-
posal companies, or consult them for the disposal
of the product or parts thereof.
• More information about proper disposal can be
obtained from the urban administration, the
waste disposal authorities or from the supplier
from whom the product was purchased.
9. Maintenance and repair
PotENtiALLy fatal danger due to electrical
voltage
When performing work on the uncovered
switchgear, there is a risk of fatal electric
shocks occurring. During all work, the switch-
gear must be disconnected from the electric-
ity network and secured against reactivation
without permission. All electrical work must
be carried out by a qualified electrician.
After completing maintenance or repair work,
the switchgear must be connected according to
the "Installation" section and activated as under
"Commissioning".
Maintenance or repair work and/or con-
structional changes that are not listed in this
operating and maintenance manual may only be
carried out by the manufacturer or by autho-
rized service centers.

9.1. Maintenance intervals

To ensure reliable operation, various maintenance
tasks must be carried out regularly.
NOTE
When used in sewage lifting units inside build-
ings or on land plots, the maintenance intervals
and work shown in DIN EN 12056-4 must be
adhered to.
Installation and operating instructions Wilo-Easy Control MS-L 1x4kW
Before initial commissioning or after a longer
period of storage:
• Clean the switchgear
yearly
• Visual inspection of individual components

9.2. Maintenance tasks

Prior to maintenance work, the switchgear must
be switched off as described under "Temporary
shutdown". Maintenance work may only be car-
ried out by qualified persons.
9.2.1. Clean the switchgear
Use a damp cotton cloth to clean the switchgear.
Do not use any aggressive or scouring cleaners
or fluids!
9.2.2. Visual inspection of individual components
Have the individual components checked for wear
by a qualified electrician or Wilo Customer Service
(e.g. melting of protective contacts, deformation
of plastic parts).
If more serious wear is ascertained, have the
affected components replaced by a specialist
electrician or Wilo Customer Service.

9.3. repairs

Prior to repair work, the switchgear must be
switched off as described under "Final shutdown"
and all power supply cables dismantled. Repair
work must be carried out by an authorized service
center or Wilo Customer Service.

10. troubleshooting and possible solutions

DANGEr due to electrical voltage
improper procedures during electrical work
may result in fatal injuries caused by electrical
voltage! Such work may only be carried out by
a qualified electrician.
Potential faults are indicated visually and audibly.
According to the fault shown, the connected
pump or signal transmitter must be checked for
correct operation and replaced if necessary.
Only perform this work if suitably qualified
personnel are available. Electrical work must be
carried out by qualified electricians for instance.
We recommend always having this work carried
out by Wilo Customer Service.
Unsanctioned modifications to the switchgear are
made at the operator's own risk and release the
manufacturer from any warranty obligations.
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