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10. Programming the actuator
10.1. Limit switches at opening
The actuators leave the factory programmed and synchronized in pairs, thus the user
only needs to select the desired stroke. It is recommended that you check to ensure
that all the chains are in the same position and the actuators are connected properly as
per paragraph 9. In the event the settings are lost, a new synchronization must be
performed according to the procedures described below. The tables below explain the
meaning of the dip-switches for the Syncro or Solo operating mode (a Syncro machine
that works individually) and paired with other devices.
Three (3) stroke-end positions can be set for the chain in excursion. The setting is done
by adjusting the dip-switches No. 1 and No. 2 appropriately. The setting is simple,
immediate and executable at any time, and it is achieved by operating on the levers of
the dip-switches as shown in the table below.
After setting the stroke-end, it is recommended that you make at least one test
manoeuvre. In case of error, the setting can be repeated in order to obtain the desired
stroke.
10.2. Limit switches at closure
The limit switch at closure is automatic, electronically operated and cannot be
programmed. The actuator stops when the charge is absorbed when the window is
completely closed and the weather stripping is completely depressed, or when the
charge absorbed is more than 10% of the nominal charge. In this case, at maximum
charge the actuator exercises a traction force of over 330N. After each closure or
intervention of the electrical protection mechanism, the chain moves in the opposite
direction for around 1 mm. This is to loosen the tension of the mechanical parts and
gives correct pressure to the weather stripping. When the window frame is closed,
check that the chain terminal is at least a couple of millimetres away from the actuator
body. This ensures proper closure for the window and ensures all weather stripping is
sealed. If the chain terminal is not positioned correctly there is no guarantee that the
window will close completely. Check that attachments and support brackets are firmly
fixed to the window frame and that all screws have been correctly tightened.
10.3. Setting for SOLO operation of a Syncro
• Ensure that all the connections of the wires have been made correctly.
Mode
DIP-SWITCH No. 3 DIP-SWITCH No. 4
SOLO
SYNCRO
STROKE-END
100 mm
200 mm
400 mm
ON
OFF
DIP-SWITCH
No. 1
ON
OFF
ON
Page 11
OFF
OFF
No. 2
OFF
ON
ON
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