Operation
4-5
Part 1612500−02
E 2018 Nordson Corporation
Powder Flow Settings
The controller varies the flow and atomizing air to a venturi-type powder
pump depending on the settings. Flow air controls the amount and velocity
of the powder; atomizing air dilutes the powder flow and increases the
velocity. Since the air flow values are continuously monitored and adjusted,
a slight high frequency pulsation in the air lines is normal.
Two modes of pump air control are available:
Smart Flow − This is the factory default mode. In this mode, you set Total
Flow and Flow Air %. If you decrease the flow air %, the flow air pressure
decreases, but the atomizing air pressure increases, so that the result is
that the powder velocity remains the same. The Smart Flow LED lights
when the controller is configured for Smart Flow mode.
Classic Flow − This is the traditional method of controlling powder flow and
velocity. In this mode you set flow and atomizing air separately and balance
them manually for optimum results. When the controller is configured for
Classic Flow mode, the Smart Flow LED is off.
NOTE: Refer to page 2-11 for a list of the mode defaults and configuration
instructions.
Flow Air % or Flow Air
Total Flow or Atomizing Air
Figure 4-4 Flow Setting Panels
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