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Each branch of the Y requires a valve to improve flow control.
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Connectors are located 1435 mm (56.5 in) above the floor. Calculate the hose length taking into account
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the position of the connectors, leaving enough margin to allow the top cover to be opened.
The extracted air contains some material in suspension. Plan regular cleaning to prevent dust accumulating
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on external hoses and/or pipes.
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Both ducts (left and right) should have similar lengths.
Fix the ducts to the collectors using clamps. It is important to ensure that the connection is air tight.
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Airflow checks after installation and while printing
The valves have to be adjusted before connecting the installation to the printer. It is recommended to use an
anemometer to measure the air speed. The measure has to be taken inside the duct (see picture).
The formula to convert from m³/h to m/s is the following:
Air Speed = Air Flow / Duct cross section area.
For duct diameters of 200 mm, the following air speeds are needed:
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Collector left: 510 m
Collector right: 240 m
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For other duct diameters, please calculate the correct air speed using the formula above.
An anemometer with a range between 0.5 and 20 m/s is adequate to make this measurement. The maximum
error of the measurement should be 2%.
ENWW
3
/h * 1 h/ 3600 sec / ((0,2 m)
3
/h * 1 h/ 3600 sec / ((0,2 m)
2
* pi / 4) = 4.50 m/s ± 0.25 m/s
2
* pi / 4) = 2.15 m/s ± 0.15 m/s
Air exhaust
15
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