Johnson Controls P352PQ-1 Pressure Control R-410A local codes may still require

local codes may still require a dedicated vent line to the atmosphere depending on the installation environment

while specific flashes point to issues like "Airflow Fault

rotation (CWLE)

tubing is required to minimize pressure drop errors

maintaining system stability across various environmental conditions

Johnson Controls P352PQ-1 Pressure Control R-410A local codes may still requireThe Johnson Controls P352PQ 1 is a high precision electronic proportional plus integral pressure control designed for maintaining accurate static air pressure in commercial HVAC systems. This unit effectively manages a setpoint range of 0. 5 to 5 inches W. C., featuring an adjustable throttling range to match specific system requirements. Engineers and technicians utilize this controller to provide a stable 0 to 10 VDC or 0 to 20 mA analog output,