Manual disengagement
The opener is equipped with a manual release cord to disengage shuttle and move door by
hand while holding the handle down (FIG. 19). Pull on the handle to disengage the shuttle. To
re-engage the door simply run opener in automatic mode or move door by hand until the trolley
engages in the chain shuttle.
In some situations that a pedestrian door is not in state, it is recommended that an external
disengagement device should be fitted (FIG. 20).
FIG. 19 FIG. 20
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