User Manual

14
Installation and Wiring
Type 8071
Warning
Risk of injury due to non-conforming installation.
The electrical and fluid installation can only be carried out by
qualified and skilled staff with the appropriate tools.
Install the appropriate security devices (correctly dimensioned
fuse and/or circuit breaker).
Risk of injury due to unintentional switch on of power supply
or uncontrolled restarting of the installation.
Take appropriate measures to avoid unintentional activation of
the installation.
Guarantee a set or controlled restarting of the process sub-
sequent to the installation of the device.
7.2. Installation instructions
note
Risk of damaging the device if it is subjected to mechanical
stress.
Use flexible hoses.
note
The oval rotors may be damaged if particles with dia-
meter > 75 µm go into the fitting.
Install a strainer of 75 µm upstream and as close as possible to
the device.
Install a by-pass line on your installation to service the device
and the strainer without stopping the process (see Fig. 4).
valve
direction of flow
filter
8071
Fig. 4: Installation of a by-pass line
Install the device onto the pipe so that the shafts of the rotors
are in a horizontal plane.
Seal the external threads of the fitting with a product com-
patible with the materials from which the device housing
and the pipe are made.
Screw the device onto the pipe.
English