Trane IntelliPak SAHL Series Installation, Operation And Maintenance Manual page 56

Installation
Figure 23. Pressure sensing
Outside Air Sensing Kit
Duct, Space and Return Plenum Pressure Transducer Tubing Schematic
Return Plenum
Transducer
Sensing Tube
to Return
Plenum
Duct and Space Static Pressure
Control Component Layout
56
Return Fan Plenum Pressure
Control Component Layout
If equipped with Return Fan and
Statitrac, Statitrac Static Reference
Tubing Connects here
(O/A Sensor)
Return Plenum
Sensing Tube
Connects Here
Return Plenum
Return Plenum
RT-SVX36G-EN