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Variable Refrigerant Flow Fundamentals

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Presentation Overview

Variable Refrigerant Flow technology uses a single outdoor condensing unit connected to multiple indoor fan coil units through a refrigerant piping network.

The system precisely modulates refrigerant flow to each indoor unit based on individual zone demand, enabling simultaneous heating and cooling across different areas of a building.

This inverter-driven approach eliminates the energy waste of on/off cycling, allowing the compressor to run continuously at the exact capacity required.

VRF systems are particularly well-suited to buildings with diverse occupancy patterns, high glazing ratios, or limited space for ductwork and mechanical rooms.

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June 4

Commercial HVAC Systems Fundamentals

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June 18

Air-Cooled Chiller Fundamentals