Operating instructions VacuStar L400
Start-up and operation
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6
Start-up and operation
6.1 Safety notes
See chapter 2.6.
6.2 Start-up
Inspection prior to initial start-up
Top up
lubricating oil
according to lubricating oil schedule. Oil
level in the oil supply tank at least to the middle of the oil sight
glass.
Start-up
Open present shut-off devices
Select with VacuStar L400 during compressor vacuum pump
operation at suction or pressure operation with four-way
switching valve.
Attention: Switching valve must only be operated in the two end
positions. Intermediate positions are not permitted.
Start the VacuStar L400 drive.
Adjust speed.
Check operating data
Inspections during operation
The following inspections have to be carried out during operation:
Prior to every start-up and during operation, the oil level must
be checked and topped up if necessary.
Open shut-off devices. Always turn the four-way cock until it hits
the stop, intermediate positions are not permitted.
Switch on drive and check whether pressure or vacuum are
created.
Pay attention to abnormal noises and leaks during operation. If
necessary, switch off VacuStar L400.
Drain condensate at the condensate and safety traps. Vessel
may not be in a state of vacuum when condensate is drained.
Checking the operating data:
The speed must range between 1000…1500 min
-1
.
Check positive working pressure at the pressure gauge
(permissible pressure refer to rating plate).
Check the operating vacuum at the vacuum meter (permissible
vacuum refer to rating plate).
The compression end temperature at 20 °C suction temperature
may not exceed the following values:
150 °C at 400 mbar operating vacuum
120 °C at 0.5 mbar excess pressure
Содержание VacuStar L400
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