The schematic details a hydronic piping system layout featuring a circulation pump, a modulating control valve with a line size bypass valve assembly, and several motorized open/closed valves (MAV). Flow directions, instrumentation points (such as thermometers or sensors), and connections to vertical chilled water supply/return and heating water supply/return risers are clearly indicated. Standard mechanical symbols are used throughout the diagram to represent valves, flow meters, and connection junctions.
Text on the drawing
T T M M M M LINE SIZE BYPASS VALVE MOTORIZED OPEN/CLOSED VALVE (TYP 4) MODULATING CONTROL VALVE MAV CHILLED WATER SUPPLY/RETURN HEATING WATER SUPPLY/RETURN CIRCULATION PUMP 1
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