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9 - Reposition TOUCH EN12978 on the spring, pull it downward, add
and tight the screws.
10 - Verify that steel cable blocking clamp screw is properly tighten (Pic.
3).
11 - Check if the lever is positioned with its roller onto the central micro-
switch pin (the central micro-switch pin must be pressed by the
roller). If not, trim the lever to the desired position (Pic. 4).
12 - Connect a tester to the terminal block and verify electrical continuity
(in rest condition the circuit is closed).
13 - Apply pressure anywhere along the rubber profile and check that
electrical circuit is opened, then disconnect tester.
14 - Insert the lower cover and fasten by screw (Pic. 5).
15 - Punch a hole in the upper cover along the predisposed area (Pic.
6).
Insert the electrical cable (Pic. 7) and, if necessary, add a cable-
gland to guarantee the IP54 protection degree. Connect the wires to
the terminal block, insert the cover and fasten down by screw.
16 - Check that device functions.
N.B.:
- The connection wires between TOUCH EN12978 and the control panel
must be positioned inside pipes and
prevent any type of mechanical damage.
- Power supply must conform to safe voltage characteristics (SELV or
PELV circuitry).
- The current must be limited to a maximum of 0.5 A.
P
ERIODIC MAINTENANCE
Periodic maintenance must be carried out every 12 months by competent
personnel in strict accordance with the following instructions.
1 - Verify that covers (upper and lower) and aluminium support are in
good working condition and are not deformed in any manner; verify
that rubber profile is in good condition and is free of lacerations.
2 - Remove cover.
3 - Check that steel cable is in good condition and shows no signs of
fraying; otherwise substitute.
4 - Check that, in conditions of rest, the roller of the lever is positioned
onto the central micro-switch pin. If not, regulate its position by acting
on the screw.
5 - Check that terminal electrical connections are properly tightened.
6 - Check that upper cover is in good condition and substitute if
necessary.
7 - Verify that there are no traces of humidity or extraneous objects
present.
8 - Connect a tester to the terminals in substitution of control device
connections.
9 - Unscrew the roller support screw and remove the roller. Verify if in
absence of pressure onto the central micro-switch pin, the electrical
circuit is opened.
10 - Keeping the central micro-switch pin depressed, apply pressure on
the rubber profile and check that electrical circuit is opened.
11 - Discontinue pressure on the rubber profile and check that electrical
contact continuity (circuit closed).
12 - Always keeping the central micro-switch pin depressed, loosen the
lock nut of the registration screw and tighten the registration screw
as tight as possible and verify interruption of electrical contact.
13 - Fix the roller on the lever and tight the screw. Retighten the
registration screw until the lever is positioned with its roller onto
the central micro-switch pin (the central micro-switch pin must be
pressed by the roller), check that the electrical circuit closes. Block
the lock nut and restore control device connections.
14 - Reassemble the cover.
15 - Verify that rating or marking plate is entirely legible.
protective glands in order to
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10
10
10
Regulation check nut
Position the roller on central micro-switch pin
Insertion
Pre-notched part
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4
5
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7
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