Operation
4-26
P/N 7135268B
E 2008 Nordson Corporation
PURBlue EC
Purging
The Purge mode key (4, Fig. 4-9) is located below the control panel.
Fig. 4-10 Purge mode symbol
1. Ensure that the gun control modules are open.
2. Set the mode switch to Manual.
3. Enable the motor with the pump key on the control panel.
4. Press the key.
As long as the key is pressed, the enabled pump runs at the speed set
on the potentiometer (max. 50 min
-1
).
Operating Parameter 8 (Automatic Pump On) Enabled − Original State −
If the system is ready when the pump key is pressed, the pump starts up
immediately.
If the system is not ready when the pump key is pressed, the pump is
enabled. The pump starts automatically when the LED Ready is illuminated.
Operating Parameter 8 (Automatic Pump On) Disabled
1. Enable the pump.
2. If the Ready LED is illuminated, the enabled pump can be switched on
with the pump key.
Switching on Pump via the Control Option Enable/Disable Motor
(External Motor Enable)
Refer to Appendix B, Input Setup.
The pump only starts up when the pump is enabled AND the correct voltage
is applied to the input contacts. If the pump is enabled but the input voltage
is not present, the pump LED will flash green.
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