2.3.7
Elevator Operation
**************************************************************************
NOTE: Choose one of the following four types of
operations: Single Two-Stop Automatic, Selective
Collective Automatic, Duplex Selective Collective or
Group Automatic
**************************************************************************
2.3.7.1
Single, Two-Stop, Automatic Operation
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NOTE: Specify for Single, Two-Stop elevator only.
**************************************************************************
Provide Single Two-Stop Automatic Operation.
Provide illuminating push
buttons.
2.3.7.2
Selective Collective Automatic Operation
**************************************************************************
NOTE: Specify for single elevator serving three or
more landings.
**************************************************************************
Provide Selective Collective Automatic Operation.
Provide illuminating
push buttons.
2.3.7.3
Duplex Selective Collective Automatic Operations
**************************************************************************
NOTE: Specify for two adjacent elevators.
**************************************************************************
Provide Duplex Selective Collective Automatic Operation. Provide a single
push button for terminal landings and dual push buttons, up and down, at
intermediate landings. In each car operating panel, provide push buttons
numbered to correspond to each landing. If a car is taken out of service,
or fails to respond to a landing call within a predetermined adjustable
time limit of approximately 40 to 180 seconds, transfer calls to the other
elevator functioning as a Selective Collective elevator until the
out-of-service car is returned to the system. Provide a push-button riser
adjacent to each elevator.
2.3.7.4
Group Automatic Operation
**************************************************************************
NOTE: Specify for three or more adjacent elevators.
**************************************************************************
Provide Group Automatic Operation. Provide a single push button for
terminal landings and dual push buttons, up and down, at intermediate
landings. In each car operating panel, provide push buttons numbered to
correspond to each landing. If a car is taken out of service, or fails to
respond to a landing call within a predetermined adjustable time limit of
approximately 40 to 180 seconds, transfer calls to another car until the
out-of-service car is returned to the system. Provide a push-button riser
adjacent to each elevator.
SECTION 14240
Page 17
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