© 2021 Nordson Corporation
5-6
Color Change Operation
Refer to Figure 5-1 for the feed center operator controls. A color change sequence is
started by turning the Color Change Enable selector to ON. The sequence is finished or
aborted by turning the selector to OFF.
Feed Center
Signal
System Panel/Encore Engage Controller
Operator presses Ancillary Equipment Clean Cycle
button.
• Constant signal to the system control panel and
Encore Engage gun mover control panels.
Turn ON Color Change switch.
• Lances move up automatically.
• Color Change Indicator blinks.
Turn Purge Control switch to Internal Gun Purge.
• Lance moves down to purge position.
• Lance at purge position signal.
• Lance clamp engages.
• Internal gun purge sequence begins.
Internal gun purge sequence complete.
• Constant signal to system panel and Encore
Engage gun mover control panels.
• Ready for pump purge.
Turn Purge Control switch to Pump Purge.
• Pump purge sequence begins.
Reclaim pump purge sequence complete.
• Color Change Indicator stays on continuously.
Color Change Complete.
• Turn OFF Color Change switch.
• Turn OFF Reclaim Pump Purge switch.
• Color Change Ind
icator turns off.
• Color Change sig
nal turns off.
Color Change request signal received.
• Oscillator stops at bottom-of-stroke limit switch.
• Reciprocator stops at the Clean position.
• Positioners move to forward limit switches.
• Ready for external gun clean.
• External gun clean solenoids turn ON.
• Positioners retract at slow speed.
• External gun clean complete.
• External gun clean solenoids turn OFF.
• Positioners move to internal gun purge position
(tips only inside booth).
• Positioners at internal gun purge position.
• Ready for internal gun purge.
• Constant signal to feed center panel.
• Color Change request signal OFF detected.
• Gun movers return to normal operation mode.
Figure 5-2 Color Change Sequence
Содержание Encore XL Powder
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