- Zone 1 and 1’ : Door opening on a 175° range; if door allows it, regardless direction of passage. Closing energy res¬tored in spring.
Hold open The door is blocked at 90° and cannot be opened without a deli¬berate manual action.
- Zone 2 and 2’ : Reclosing controlled over all this zone (175° to 15°). Closing speed adjustable by using grub screw.
Hold open The door is blocked at 90° and cannot be opened without a deli¬berate manual action.
- Zone 3 and 3’ : Latching action adjustable by grub screw 15° to 0°.