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FES SERIES
Plastic Flow Switch
During flow switch installation, ensure that the paddle does not touch the wall of the pipe.
Carry out installation of your device type as described in the table below.
¾" BSP
½" NPT
Electrical Connection
Danger of death due to electrical voltage!
Work on electrical installations may only be carried out by qualified electricians or by instructed persons working under the
guidance and supervision of a qualified electrician, in accordance with the electrical regulations.
Always de-energize the system before connecting the wires of the mains cable.
CAUTION: Ensure that the maximum electrical contact load specified on the type plate is never exceeded; otherwise the reed
contact integrated in the switching unit will be damaged.
Inductive loads impair switching capacity. Please ask the manufacturer for information on protective circuits.
Elbow Plug Connector
1
2
3
Fig. 1
Loosen the central screw (pos. 1) and disconnect the junction box (pos. 2) from the connector (pos. 3), Fig. 1.
Use a screwdriver or similar tool to press out the core (pos. 4) of the junction box (Fig. 2).
Loosen the screw Cable Gland (pos. 5) Fig. 3.
Feed the connecting cable into the junction box via the screw connection (pos. 5), the clamping ring (pos.6) and the rubber insert
(pos. 7) and subsequently connect the wires as displayed in the connection diagram (see Fig. 4).
L3
3
4
6
Fig. 3
4
core
Fig. 2
In order to shorten the paddle to the required length, use a
side cutter.
When cutting, hold the paddle tight above the cut surface.
Fig. 4
5
Fig. 3
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30
4
6
8
10
12
7
6
Fig. 4
5
06
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