Electrical Connections - Kessel aqualift f Installation, Operating And Maintenance Instructions

The pump power cable and level sensor cable have been
connected to the control unit at the factory.
Independent from this, the further instruction in this section
of the manual must be followed. In the case installation work
has already been done, this manuals instructions should be
reviewed and checked to make sure all work on the system
has been done accurately and correctly.
Only certified electricians should perform the following
Caution:
work on this electrical system. Prior to any work being con-
ducted on the control unit, motor or pressure switch, the
system must be completely disconnected from its power
source. Also it should be insured that the power is not ac-
cidentally re-connected during this work.
An external main switch must be installed for the control unit
5.1 General instructions
that can be used in an emergency to switch off all power to
the system.
This must be installed so that it is clearly visible. All cables
entering the control unit must be secured with the included
fastening nuts for strain / pull relief. Inlets to the control unit
which are not used must be properly seals with the included
plastic nuts.
All the cables connected to the electrical switch unit must
IMPORTANT:
be fixed in place using suitable measures (e.g. cable ties)
so that they do not cause a hazard in the 1-error case, i.e.
if a connection becomes loose...
Please heed national and local safety regulations. If these
are not observed, personal hazard / injury may be the result.
In addition, no liability or warranty will be granted. After work
has been completed, the control unit housing cover must be
sealed properly again to assure the control unit is protected
from water /moisture and unallowed access.
The level sensor cable should not be laid in the same con-
duit as the power cable or any other electrical cable to pre-
vent electrical interference.

5. Electrical connections

5.2 Control unit mounting
The supplied control unit should be installed in an easily ac-
cessible location in a frost free, weather protected, flood free
and properly ventilated area. The control unit should be mo-
unted to a firm wall as eye level. To prevent elevated inter-
nal temperatures, sufficient air circulation should be availa-
ble.
The supplied template should be used to properly drill the
four holes into the wall where the control unit will be moun-
ted. The four supplied dowels should be inserted into these
four holes, the control unit placed over the four dowels and
the back wall of the control unit fixed to the dowels with the
four supplied screws.
Control unit cover hinges (2))
Plastic dowels (5x25mm) (4)
Fastening screws (M3.5x30) (4)
Cover screws (max 1 Nm torque)(4)
2
Control unit housing without electronics
3
When the control unit cover is open the IP 54 protection class
is no longer provided. Prior to operation, it should be confir-
med that excessive moisture or spraying water will not ne-
gatively effect the system
After any work is done on the control unit, the cover must be
closed and properly fastened in order to provide the proper
dust / moisture protection
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