Left-hand coil and right-hand coil in HVAC system refer to the orientation of the coil’s connections relative to the direction of airflow. This designation is important for cooling coil to ensure proper counter-flow, which maximized heat transfer efficiency.
Here’s how to determine the “hand” of a coil:
“When viewing the coil with the direction of airflow at your back, the coil is classified as left-hand if the connections (headers) are located on the left side, and right-hand if they are located on the right side.”
Related notes:
Chilled water cooling coil characteristic
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