Detail Text Description
A detailed schematic diagram labeled “SCHEMATIC FOR OS F (LIGHTS, HVAC, FCU)” displaying a wiring system for lighting, HVAC, and fan coil units. It includes various components connected by lines, indicating electrical connections. At the top left, a power pack connects to a 277-volt, 20-amp power source, shown with components like RED (line), BLACK (load), and WHITE (neutral) wires. The diagram includes a sensor system featuring a control relay, fan coil unit, and several connections like BLUE and BLACK wires.
In the top right, a circular section represents Light Level Adjustment, not used, with an LED indicator and DIP switches. Below, there are wiring connections for sensor controls utilizing 24VDC for functions like contactor wiring. The diagram is peppered with notes, symbols, and lines showing the interconnections and functions.
Beneath the schematic, detailed general and reference notes explain wiring instructions, device usage, and sensor placement. Symbols are used throughout for reference marks.
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