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INTERNAL RELEASE DEVICE HANDLE
BOSS is generally supplied with a manual release device handle that can be operated from inside the premises (Fig. 53).
In the event of power failure, turn the handle. This will unlock the reducer and allow the door to be opened manually.
Turn the handle back to its original position in order to block the reducer.
In order to carry out the manual movement of the spar safely, it is important to check that:
- The door is supplied with suitable handles.
- Handles are positioned in such a way so as not to create hazard points during their use.
- The manual effort required to move the door should not exceed 225N for doors installed for private use and 390N for doors for
commercial or industrial use (parameters set by item 5.4.5 of EN 12453 standard).
WARNING: The release mechanism may cause the door to move in an unpredictable fashion if the door has not been correctly
centred and balanced. In such cases, it is necessary to carry out the necessary balancing operations to the up-and-
over doors.
CABLE UNLOCKING RELEASE
With such type of release system, in case of black outs, it is possible to release the motors from the outside. It is therefore
advisable, when the garage door is the only possible way of access.
The cable unlocking release can be installed either to the left or right of the operator depending on the position of the locking
handle of the garage door.
The release device (code ACG8730) is mounted on the existing locking apparatus installed on the up-and-over door.
For the assembly see the accessory specific instructions.
Follow the instructions described from Fig. 58 to 74.
54
58
61
49
55
59
62
G
B
53
56
57
60
63
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