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Installing the unit
CAUTION! Always pull the mains plug before opening the case!
Only work on the control system when it is dead.
Unscrew the screw on the top of the case and take off the lid. The control electronics is in
the lid. Contact pins are used to restore the connection to the clamps in the lower part of the
case when it is put back on. The basin of the case can be screwed on through the two holes
to the wall using the fastening screws provided (
with the cable bushings downwards).
Electrical connection
Warning: The electrical connection should only be made by a professional electrician in
accordance with the relevant local guidelines. The sensor lines may not be fed through the
same cable channel as the supply voltage. The maximum load of output A1 equals 1.5A
while that of outputs A2 and A3 each equals 2.5A! All of the outputs are fused along with the
equipment at 3.15A. If filter pumps are directly connected, mind their rating plate. The fuse
protection can be increased to max. 5A (medium-lag). The strip terminal
PE must be used for
all protective conductors.
Note: The system has to be grounded properly and furnished with surge arresters to
protect it from damage due to lightening. Sensor failures due to storms and static electricity
are usually the result of faulty construction.
All sensor ground wires are internally looped and can be exchanged as need be.
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