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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.
If the garage does not have a pedestrian access door, an emergency
access device must be installed. This allows manual door opening from
outside in the event of occupant incapacitation, power supply failure or
opener failure (Fig 20).
MANUAL DISENGAGEMENT
FIGURE 19
FIGURE 20
Summary of Contents for 4DS2 v1
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