This energy-saving feature is based on occupancy detection and it includes two functionalities:
Lighting
All the lights go off when the guest room is unoccupied.
Built-in into the system, requires no extra configuration.
Air conditioning unit
The AC unit goes to energy-saving mode when the guest room is unoccupied.
Requires either of the following implementations:
BACnet/IP integration of AC units
Per building (recommended)
Control relay integration of AC units
Per AC unit