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The installation of the actuator must be carried out
exclusively by competent and qualified technical
personnel with the professional technical
requirements provided by current laws in the
country in which the actuator is installed.

The actuator must be installed exclusively with the

windows closed.

It is absolutely forbidden to install the actuator on the

outer part of the window that is subjected to atmospheric
agents (rain, show, etc.).

It is absolutely forbidden to setup the actuator in areas

that may be potentially explosive.

Check the adequacy of the window and the suitability

of the materials of the window and/or frame on which the
actuator will be fastened and it must ensure a good
support of the actuator-window assembly during the
movement.

Before installing the actuator the user must verify the

following:

the thrust or traction force of the actuator must be
enough to ensure the correct movement of the window
according to its type and weight; it is strictly forbidden to
exceed the parameters stated on

Tab.1

;

the distance “D” between the window frame (wherein
the actuator is supposed to be secured) and the window
leaf (wherein the bracket is supposed to be secured)
must be between 0 mm and 30 mm for the top hung
installation (see

Fig.8

) and between 0 and 20 mm for

the bottom hung installation (see

Fig.18

and

Fig.18a

);

two hinged limit switches must be installed on both
sides of bottom hung windows, or an alternative safety
system that can prevent the window from falling
accidentally;

the fastening areas of the quick coupling must be
completely flat and/or levelled.

C25

5.2

TOP HUNG WINDOWS

5.1

GENERAL PRECAUTIONS

INSTALLATION

To install actuator C25 on top hung opening windows
proceed as follow:

Open the package (

par. 3.6

) and remove the various

componentsi;

Fig.9 -

Use a pencil and trace out the centre line “X” of

the window;

Fig.10

- Put the template on the window (side A) and

align it to the centre line "X" that was traced previously;

For non-coplanar windows the part of the
template that is involved must be cut and fit it onto
the window; make sure to keep it in the same
reference position.

Using a suitable drill, make two holes on the window
indicated on the template (2 for securing the quick
coupling and 2 for fastening each bracket);

Fig.11

and

Fig.12

- Remove the template and secure

the quick coupling using d4.2x19 screws and fasten
the coupling brackets to the window;

If the overlapping value “D” is between 20÷30mm,

secure the quick coupling using the special spacer
and the suitable screws (

Fig.8 Rif.2

The screws on the package are suited for

aluminium windows. To mount wooden windows,
use wood screws Ø4.2 with an appropriate length.

Fig.13

- Fasten the slide ways to the actuator by using

the M6 screws supplied with the small parts package
(screw tightening torque = 2,5Nm).

Fig.14

- Place the actuator onto the coupling brackets;

make sure the teethed inner wall of the guide slides
when contacted with the teethed surface of the
respective bracket.

Fig.15

- Arrange the actuator into the most suitable

position in order to allow an easy connection of the
chain terminal to the quick coupling.

If the chain terminal is not in axis with the quick

coupling, loosen the fixing screws and position
everything correctly; if there is no coaxiality, the
actuator and the window can be damaged.

Fig.16

- Fasten the chain terminal to the quick

coupling and adjust the position of the actuator on the
brackets so the window seals can be completely
pressed (see

par. 5.6

). Thus, lock the actuator to the

coupling brackets with the special clamping inserts.

If the actuator is not locked with the inserts, this
may cause serious injuries and damages to
persons and things.

Fig. 17

- Adjust the opening stroke using the switch

located on the right side of the actuator according to
the window leaf opening.

The actuator is supplied with a stroke calibrated
to 200mm. The stroke should only be selected by
competent and qualified technical personnel and
must be done with the actuator switched off.

To modify the C25 opening stroke use a
screwdriver with a suited point and make sure to
fit it up to the base of the switch, hence move it
completely. An intermediate position (incorrect
position) of the switch will lock the actuator.

Make  sure  that  when  opening  the  window  leaf,
the selected stroke is lower by a few centimetres
as  regards  to  the  actual  stroke  allowed  by
mechanical  clamps,  hinged  limiting  devices  or
obstacles.

If the actuator is set with a stroke of 380mm, make

sure that the chain does not touch the window
when the motor is running. In this case, adjust
the stroke to 200mm.

INSTALLATION AND USE INSTRUCTIONS