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5. Description of spray gun and control module
The function of the manual spray gun is to spray powder electrically charged by a high-voltage unit built
into the spray gun that delivers up to 80 kV and 110 µ A.
Only pressure on the trigger enables start-up of the power supply and electrical charging of the powder.
5.1. Functions available from spray gun
Area 1 : The red LED under each icon corresponds to the selected voltage/current characteristic in
progress. Selection of a different characteristic is only possible if the trigger is released.
Round spray nozzle mode application icon
Fan spray nozzle mode application icon
"Over-powder-coating" mode application icon
Metallic powder mode application icon.
(The three LEDs are lit for this choice).
Simultaneous flashing of all LEDs indicates a communication fault with the control module
§ 6.8.1 page
24).
Area 2 : Powder flow rate can be adjusted here.
• It can be reduced by pressing the button
• or increased by pressing the button
There are thirteen powder flow rate setting levels, one of which is zero. The operator can display the
powder flow rate on the "CRN 457" control module. A powder cloud fills up with an index varying from 0
to 12 (there is no corresponding display on the spray gun). On start-up of the spray gun, the powder flow
rate value is 0 (zero flow rate). It is possible to select the flow rate without having to press the trigger.
Index revision : H
1
2
3
13
Factory settings
U = 70kV and I = 70 µ A
U = 80kV and I = 30 µ A
U = 65kV and I = 10 µ A
U = 40kV and I = 110 µ A
(see
6336
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