7 | Start-up
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Starting the Vacuum System
• Set the main switch (fig. 10) to “ON”.
• Press the double pushbutton (“I”, fig. 10) on the switch and control cabinet.
• The vacuum pumps switch on one after the other. The vacuum system is in operation.
Stopping the vacuum system
• Press the double pushbutton (“O”, fig. 10) on the switch and control cabinet.
• The motor switches off.
• Set the main switch (fig. 10) to the “OFF” position.
7.3 Conveying condensing vapors
A certain quantity of water vapor within the gas flow is tolerated.
For information, see technical data (chap. 15).
Contact Busch to get information on transporting other vapors.
Note the following when conveying condensing vapors:
• Start the vacuum system, all vacuum pumps must be running.
• Close the shut-off valve on the suction side (not part of the scope of delivery)
• Allow the vacuum pumps to warm up (approx. 30 min.) so that no condensate can
form in the suction chamber.
• Open the shut-off valve on the suction side and start your process
• Close the shut-off valve on the suction side after the end of the process
• The vacuum pumps must now run for approx. 30 min. to remove any moisture that
may be present.
• Switch off the vacuum system.
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