Abus CFA 1000, Operating Instructions Manual

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13. Emergency operation
We recommend you urgently to use a cylinder lock with emergency operation feature.
Here outside and inside can be opened and closed separately from one another.
This is important as after mounting the door lock actuator, a key is inserted on the
inside! With a conventional cylinder lock, the door can no longer be opened from the
outside. In case of a defect or if the batteries are flat, the door can no longer be opened
without force.
There are the following two possibilities to lock/unlock the lock:
1. With the hand wheel from the inside
When in idle state, the door lock actuator is uncoupled, i.e. separated mechanically from the
key. By turning the hand wheel of the door lock actuator, the lock can be locked or unlocked.
It is also possible to open the door.
The function of the hand wheel is, that is, the same as when you use a ”normal” key.
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The door lock actuator has to be in idle state (motor does not move).
. With a key from the outside
For this, a cylinder lock with an emergency operation feature is necessary. Otherwise the key
inserted on the inside blocks any operation of the cylinder lock.
The lock can (if a cylinder with emergency operation feature is used) be locked and unlocked
from outside or the door can be opened with the key.
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The door lock actuator has to be in idle state (motor does not move).
Screws for mounting the ABUS Home Tec driver to fastening element base plate
should not be tightened too strong, otherwise driver could get stuck. In that case
opening door from outside by key could become difficult.