Melter control switch (on/off)
Heaters LED
Automatic scan sequence
Ready LED
Pump key
Operation
4-4
Part 1073401_07
E 2021 Nordson Corporation
Starting the Melter
Before starting the melter for the first time, confirm that the
S melter is fully installed including any required inputs and outputs,
applicator drivers, pattern controllers, or timers.
S melter's operating parameters are set up to support the
current manufacturing process.
Refer to Section 3, Installation, if any of the items listed above are
not complete.
To start the melter
1. Switch the melter on.
The melter:
S Tests the control panel LEDs
S Turns on the heaters (the heaters LED turns green)
S Begins to automatically scan through and display the
actual temperature of the tank and each hose and applicator that has
a setpoint temperature that is greater than zero degrees. The
sequence of the automatic scan is: tank, each hose and
applicator pair, and then back to the tank.
S Turns on the ready LED (green) when the tank and all of the
hoses and applicators are within 3 _C (5 _F) of their assigned
setpoint temperature.
2. Press the pump key to enable the pump.
S If the system has not reached the system‐ready state at the time that
the pump key is pressed, the LED on the pump key will turn yellow,
indicating that the pump is enabled, but not started. The pump will
start automatically when the system‐ready state is reached.
S If the system has reached the system‐ready state at the time that the
pump key is pressed, the pump will start and the LED on the pump
key will turn green, indicating that the pump is running.
S If the melter is set up for manual pump activation, the pump LED will
not turn on and the pump will not start until the pump is manually
started using the switching device.
NOTE: You can change the way the pump key operates by changing
parameter 8 (automatic pump on). Refer to Appendix B, Operating
Parameters.
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