Airflow Measuring Stations Introduction to AFMS Lance Andriunas 2016 Victor Distributing Co.

Measure Airflow Accurately What is an AFMS Accurately measures airflow within a duct Measure Exhaust, Mixed but most commonly Outside Air Outputs a signal proportional to CFM Validates the Building is meeting the minimum outdoor air requirements of ASHRAE Standard 62 or California Title 24 by providing accurate monitoring and control of outside air Several LEED Credits available under EA and IEQ Measure Airflow Accurately

2 Greenheck Models Available AMS Sleeve Honeycomb Air Straightener Pick up tubes Pressure transducer Optional Controller Largest size 60”x48” AMS Has No Damper

Model AMD AMD “D” has built in damper VCD-23 includes our D2 Sleeve Honeycomb Air Straightener Pick up tubes Pressure transducer Standard Modulating Actuator Optional Controller Largest size 144”x148” “D” has built in damper VCD-23 includes our D2 VCD-33 includes our D1 VCD-42 includes an airfoil

Accurate Measurement in any situation Case Study University Gym Constant Volume High Humidity 10,000 cfm Biology Lab VAV System 4,000 cfm Maintain Positive pressure Accurate Measurement in any situation

Takeoff Service Size of duct CFM/ Velocity Damper? Actuator Controller Type D1 D2 Actuator Internal / external Controller Temperature - 20F to 180F

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