S closed, open: normal automatic mode.
Parallel connection with automatic staircase lighting mechanism or
remote-control switch
The illumination switched either the automatic staircase lighting
mechanisms via the observer.
2-way wiring
Existing 2-way switches can replaced with “T” buttons (NC contact).
Automatic manual operation with series switch
S open, open: everything off.
S closed, closed: continuous light, manual operation, observer
inactive.659
Gira electrical installation systems
Wiring diagrams Lighting control
I
Technical
information
Wiring diagrams
Existing installation
Connection observer and system power section
Replace existing switch “S” with “T” button (NC contact). Actuating the
button for least second triggers switching.
Connection several observers (parallel connection)
Button “T” (NC contact)
(System-sensor cables from two more observer systems may not be
wired together!)
Important:
Parallel connection does not increase the maximum connected load.
