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Electronic Control System
Pressure Relief Procedure
Trapped air can cause the pump to cycle
unexpectedly, which could result in serious injury
from injection, splashing or moving parts. Relieve
pressure when you stop pumping and before
cleaning, checking, or servicing equipment.
1. Press the STOP button to turn off the pumps.
2. Shut off the air to the pumps by closing the
bleed-type air shutoff valve on the pumps' air supply
line, or disconnect the air line.
3. Open all system fluid drain valves that are down-
stream of the pumps.
Initial Startup
This procedure takes you through the settings, adjust-
ments and other steps that must be completed before
the system is ready for daily operation.
NOTE: Press STOP button at any time to stop the sys-
tem. See F
. 12.
IG
1. If applicable, fill all the pumps packing nut/wet cups
1/3 full with a compatible lubricant. Refer to your
pump manual for details. Do not use Graco Throat
Seal Lubricant with a sanitary application.
2. Press POWER button to turn on power to electronic
control panel.
3. Turn SEAL to OFF.
4. Open the air shutoff valves for the pneumatic con-
trols and pumps.
5. Open the pneumatic control panel door. Check for
air leaks.
6. The equipment was tested with fluid. Flush the sys-
tem before loading material. See page 28.
7. Follow Loading the Bin procedure, page 26.
24
Setting the Pump Slow Timer
The pump slow timer controls the amount of time that
the pumps will operate at the slow speed for priming the
pumps. This timer will be active when the plate is in the
bin, the control is set to AUTO, the seal is inflated and
the ram is pressurized down.
1. Press the Timer key to access the timer screens.
Continue to toggle the key until the PUMP SLOW
TIMER screen appears.
2. Press the Enter key to enable numerical entry.
3. Enter the desired set point - Minimum Value: 000,
Maximum Value: 999. Example (300 = 30 sec).
4. Press the Enter key a second time to accept the
value.
Setting the Bin Empty Timer
The bin empty timer controls the amount of time the
pumps operate at the slow speed for emptying the bin.
This timer will be activated when the ram is in AUTO
mode and the proximity switch has been tripped.
1. Press the Timer key to access the timer screens.
Continue to toggle the key until the BIN EMPTY
TIMER screen appears.
2. Press the Enter key to enable numerical entry.
3. Enter the desired set point - Minimum Value: 000,
Maximum Value: 999. Example (300 = 30 sec).
4. Press the Enter key a second time to accept the
value.
Setting the Vacuum Pump Timer
The vacuum pump timer controls the amount of time the
vacuum pump operates to assist the deflation of the
seal. This timer will be activated when the ram is in
AUTO mode and the proximity switch has been tripped.
1. Press the Timer key to access the timer screens.
Continue to toggle the key until the VACUUM PUMP
TIMER screen appears.
2. Press the Enter key to enable numerical entry.
3. Enter the desired set point - Minimum Value: 000,
Maximum Value: 999. Example (300 = 30 sec).
4. Press the Enter key a second time to accept the
value.
311163ZAH
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