RT-SVX36G-EN
53
Installation
O/A Sensor & Tubing Installation
An Outside Air Pressure Sensor is shipped with all units designed to operate on variable air volume
applications, units equipped with a return fan, or constant volume units with 100% modulating
exhaust w/Statitrac.
On VAV systems, a duct pressure transducer (3U60) and the outside air sensor is used to control
the discharge duct static pressure to within a customer-specified parameter.
On CV & VAV units equipped with 100% modulating exhaust w/Statitrac, a space pressure
transducer (3U62) and the outside air sensor is used to control the exhaust fan and dampers to
relieve static pressure to within a customer-specified parameter within the controlled space.
On units equipped with a return fan, a return pressure transducer (3U106) is connected to the
O/A sensor for comparison with return plenum pressure.
Refer to
and the following steps to install the sensor and the pneumatic tubing.
1.
Remove the O/A pressure sensor kit located inside the filter section. The kit contains the
following items;
•
O/A static pressure sensor with sensor mounting
•
Bracket
•
50' of 3/16” O.D. pneumatic tubing
•
Mounting hardware
Figure 22. Removing supply and exhaust fan assembly shipping hardware (90-130 Ton)
Содержание IntelliPak SAHL Series
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