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FUNCTIONAL SPECIFICATIONS ACP BACnet
Initialization at the Start Up
The system is designed to automatically recognize the connected air conditioners. Therefore, a
period of approximately one minute will be required to recognize all the air conditioners after the
system is turn on. During this period, the following error PDU may be returned when an object
corresponding to an air conditioner is accessed.
ErrorClass = Object; ErrorCode = Unknown_Object
If an attempt is made to read the Object List property of the Device object from an air conditioner
during the above period of recognition, the following error PDU will be returned, unless the air
conditioner has been recognize:
ErrorClass = Device; ErrorCode = Configuration_In_Progress
Communication error response of ACP BACnet, please refer to ACP BACnet-BACnet Error
Response Table on page 104.
Clock Setting
The Timesynchronization service allows clock settings by the local time.
Furthermore, the UTCTimesycchronization allows clock settings by UTC