28310011 – Elevator Recall Control Program Matrix

A matrix chart titled “Elevator Recall Control Program Matrix.” It is designed to map the interaction between input devices and fire alarm system outputs. The input devices are listed vertically in a table with corresponding numbered labels from 1 to 11. These devices include elements such as “Basement,” “Balance of 1st Level Devices,” and “Elevator Machine/Control Room Smoke Detector.” The fire alarm system outputs are listed horizontally, labeled from A to E, covering functions like “Building Alarm/Supervisory” and “Elevator Recall to Designated Level.” The matrix uses solid black circles to indicate the relationships between specific input devices and the system outputs. Two key notes are provided, each marked with a numbered hexagon symbol, explaining specific conditions related to elevator recall during a fire alarm event.