Patent ID: 11958083
Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 9:
10. The system of claim 9, wherein the controller is configured to transition the locking mechanism to the locked configuration based on the condition being a first condition;
wherein the controller is configured to transition the locking mechanism to the open configuration based on the condition being a second condition different from the first condition;
wherein the first condition comprises at least one of:
the sash lowering solely due to an effect of gravity, and
the locking mechanism is in the open configuration and the sash not lowering;

wherein the second condition comprises at least one of:
the sash being manually moved,
a time since a last movement of the sash exceeding a first threshold value,
no person being detected proximate to the sash, and
a time elapsed since a person was detected proximate to the sash exceeding a second threshold value.