Understanding Face and Bypass in Chilled Water HVAC Air Handlers

Описание: In the context of chilled water HVAC (Heating, Ventilation, and Air Conditioning) applications, "face and bypass" typically refers to a type of control strategy used in air handling units (AHUs) to maintain a consistent airflow and temperature in the conditioned space. Let's break down these terms:

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Face and Bypass Dampers:

Face Dampers: These are dampers located on the primary air intake side of the air handling unit. They control the amount of outside air entering the system.

Bypass Dampers: These are dampers located on the discharge side of the air handling unit. They control the amount of air that is bypassed around the cooling coil.

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