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Down peak is a mode designed for situations where the majority of the demand for the elevator(s) is downwards. In Down Peak mode, the controller shall be a down collective system that only responds to down hall calls above the lobby. The controller shall respond to car calls in the direction of travel. An up traveling car shall proceed to the highest down hall call and then collect calls in the down direction of travel. Once the lowest down hall call and car call have been answered, the down collective process shall be repeated.

During Down Peak mode, elevator cars in a group are sent away from the lobby towards the highest floor served, after which they commence running down the floors in response to hall calls placed by passengers wishing to leave the building. This allows the elevator system to provide maximum passenger handling capacity for people leaving the building.

The commencement of Down Peak may be triggered by a time clock, by the arrival of a certain number of fully loaded cars at the lobby within a given time period, or by a switch manually operated by a building attendant.

Elevator Special Modes 

Anti-Crime Protection (ACP)Attendant service (AS)Earthquake emergency return (EER)Emergency power operation (EPR) • Fire service mode (EFS) (Fireman's elevator) • Independent service (ISC) • Inspection service (INS) • Medical emergency/Code Blue service (EHS)Nudge modeOut of service • Peak times modes (Up peak (MIT) • Down peak) • Pet modeSabbath service (SHO)


See Also: List of Elevator and Escalator Brands • Elevator Fixtures Guide


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