iView - Controller View
9-90 Manual # 42-02-7223
Car Operation - Heat Detectors
This screen contains parameters that determine how the car will behave when one or more of
the heat detectors are activated. Heat detectors can be installed in the machine room, in the
hoistway, and/or on individual floors in the building. They are connected to inputs on an ICE-
MIAC board. Outputs from an ICE-MOR board are used to control audible and visual alarms as
well as to signal when heat detectors recall is complete.
When heat detectors are activated, the fire warning light will flash until all heat detectors have
been reset. The fire-warning buzzer will sound until the car is shutdown at a floor. A car that is
parked at a floor will open its doors and shut down. A car in motion will proceed in the current
direction to the next available floor where the heat detector is not tripped. If all heat detectors in
the current direction are tripped, the car will reverse direction and proceed to the first floor
where the heat detector is not tripped. If again all heat detectors are tripped, the car will pro-
ceed to the main fire recall floor unless the car is also on Fire Service, in which case the car will
proceed to the appropriate fire recall floor. Once the car is stopped at a floor it will automati-
cally open its doors and shut down. Then, if the machine room or hoistway heat detectors are
active, a signal is provided to disconnect the main power line and/or activate the sprinklers
where available.
• Heat detectors operation overrides fire recall operation: If checked, heat detectors opera-
tion will override fire recall operation even if fire recall is already in progress when the
heat detector(s) are activated. If not checked, fire recall operation will take precedence
unless heat detectors operation is already in progress or has completed and the car has
been shut down when fire service is activated.
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