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The Zonex Systems 101ASPC Static Pressure Switch is designed for effective control of bypass dampers including STMPD and STCD models. This switch maintains proper static pressure in HVAC systems by modulating power to open and close the bypass dampers as zone dampers operate. This function minimizes air noise from supply outlets, particularly when zone dampers close, allowing for a quieter system operation.
The static pressure switch requires field calibration for optimal performance and should be installed in the conditioned air space on the supply duct between the bypass and the first supply damper take-offs.
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