Technical data

6 K44 Duo Technical manual
Zero opening
To make entrance easier, e.g. during office
hours, connect an external contact. Then use
the contact to activate or deactivate zero
opening, i.e. opening the door by pressing the
zero button on the keypad. Note that this is
only applies to relay output 1.
Unlock the door permanently
If the Toggle function is activated, the code
can be used to unlock the door. The door
remains open until a valid code is entered once
again (see the Toggle on/off section).
Door bell
If needed, a door bell can be connected to K44
Duo. To ring the bell, the visitor presses the
button labelled with a bell on the code lock’s
keypad.