Use Case:  Stop Air Conditioning

Description:  Stop the Air Conditioning in the enclosure
This UC is invoked at the beginning of the night either manually or as part of the AT System Start

Role(s)/Actor(s): 
Primary: Operator,Maintenance
Secondary: AC

Priority: Major

Performance: TBD

Frequency: Once per day at beginning of night.

Package Assignment:  Air Conditioning System.

Preconditions: 

• AC is ONLINE

Basic Course: 

• Send command STOP AC to Air Conditioning
  Exception Course: Command failed
• ATCS sends the command to the AC sub-system

  Interface:  IfAirConditioning.StartStop

  Exception Course: Command failed
• ATCS returns OK reply

Exception Course: Command failed

• ATCS returns ERROR reply

Postconditions: 

• AC is switched OFF

Issues to be Determined or Resolved: 

Notes:

Last modified: Tue Oct 29 15:46:49 UTC 2002