To Connect Duct Tubes To The Flow Sensors - Carrier VAV Zone II Installation And Startup Manual

Hold down the actuator damper release button, rotate the damper to verify that it fully opens and closes, then
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release the button.

To connect duct tubes to the flow sensors

The VAV Zone II controls airflow using the actuator and flow sensor.
Turn off the VAV Zone II's power.
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Connect the tubes to the VAV Zone II's High and Low connectors.
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NOTE Tubing should be at least 2 ft. (.61 meters) long for stable airflow measurement. The combined high
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and low tubing length should not exceed 16.4 ft. (5 meters) in order to ensure accurate measurements.
Connect the other ends of the poly tubing to the airflow pickup located in the terminal's primary air inlet.
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Avoid sharp bends in the tubing.
Connect High to High and Low to Low.
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VAV Zone II Controllers
Installation and Start-up Guide
13
Installing the VAV Zone II
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