Desert Aire SA Series, Installation And Operation Manual

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The sensor can be mounted directly to drywall or to a standard single gauge electrical
box. 50’ of 1/8” clear pressure tubing is supplied with the sensor. Route the tubing such
that it will not be subject to damage. Do not directly attach the tube to surfaces that may
become very cold such as suction lines or supply ducts as condensation may occur in
the tubing. Connect the tubing to the static pressure differential transducer in the unit.
The correct port is labeled for the indoor air sensor.
Figure 18 - Indoor Static Pressure Sensor (rear view)
2.8.3.2 Outdoor Static Sensor
A complication in measuring the building static pressure is the dynamic action of the
wind. Measuring the wind’s pressure instead of the true outdoor static pressure will alter
the actual static pressure reading. Proper mounting of the outdoor static sensor will help
ensure accurate readings.
The outdoor air static pressure sensor should be mounted at least 12 inches above
surrounding obstacles and a minimum of 24 inches from a wall or Air Handling Unit. Do
not mount under awnings or other projections within fifteen feet. Do not mount near
economizers, intakes or exhaust fans, or barometric dampers. Do not mount within 10’
of building corners or parapet walls.
Desert Aire - SA Manual