- Zone 1 and 1’ : Door opening on a 130° range; if door allows it, regardless direction of passage. Closing energy restored in spring.
Hold open The door is blocked at 90° and cannot be opened without a deliberate manual action.
- Zone 2 and 2’ : Reclosing controlled over all this zone (130° to 20°). Closing speed adjustable by using grub screw.
Hold open The door is blocked at 90° and cannot be opened without a deliberate manual action.
- Zone 3 and 3’ : Latching action adjustable by grub screw 20 to 0°.