
Chapter 3 Machenical Installation
Shenzhen Hpmont Technology Co., Ltd.
-10-
HD3Z Series User Manual V1.2
3.6
Open / Close Door Lock
Upper door lock
Open: Press the button vertically (step 1), and handknob opens. Rotate handknob clockwise 90° and
door will open (step 2).
Close: Rotate handknob 90° anticlockwise to initial position, press it vertically to lock the door.
Lower door lock
Open: Pull the handknob vertically (step 3), rotate handknob clockwise 90° (step 4) and door will open.
Close: Rotate handknob 90° anticlockwise to initial position, press it vertically to lock the door.
1
3
2
4
Pull
vertically
Rotate 90°
clockwise
Press
vertically
Rotate 90°
clockwise