Duct Static Pressure Sensor Location

Sensors located above a ceiling tend to get lost and forgotten.

Duct static pressure sensor location. Once the sensor is installed you could fine tune the set point there as necessary to ensure that you had adequate pressure everywhere else. Duct static pressure transmitter. Capacity out in the supply duct system not at the fan. I would pick a point in the longer duct because that is more likely to be the duct run that set the fan system static.

Multi range differential zone pressure transmitters. Duct static sensors a300 series rps sd 01 21121 60681. The recommended frequency of data collection is between 5 and 30 minutes. The normal range for duct static pressure is from 0 75 in.

For the same reason the static pressure sensor should be located as far out into the duct system as is practical so that the high end of the setpoint range 1 3 in. Location mount the static pressure probe on the duct plenum or air handler to allow exposure to the average airflow. Locate the static pressuresensor for modulatingfan. For the longest time i have been told and have seen in the field static pressure sensors controlling vortex or vfd located at the fan discharge or downstream of the duct before any take offs.

The sensor is field installed and the controller is set to maintain the duct. As the zone dampers throttle back the duct pressure rises and the fan is controlled to reduce the duct pressure. In many systems the first locationis. Air pressure sensors surge dampeners.

Choose a static pressure sensor that allows the hvac controller to operate in the upper half of the sensor s normal operating range. Is the static pressure set point too high or too low. Locate the static pressure sensor at the panel. Avoid locations where air stratification can cause changes in airflow.

More who we are. Kele overview 24 product categories line card 300. Is there a reset schedule for the duct static pressure. Expect some field adjustmentto be requiredto find.

Two thirdsthe distancefrom the supply fan to the end of the. The most commonly recommended static pressure sensor location is a point in the supply duct at which the duct static pressure at design flow is approximately two thirds of the duct static pressure drop from the fan outlet to the terminal unit inlet. When analyzing the static pressure the trends to look for include. Duct static pressure duct static pressure set point zone damper position signal.

So you might select 2 3 of the physical distance down that duct. For the longest time i never questioned this logic. 325 pa in this example can be as low as possible.