Service Programs - MELAG Vacuclave 550 Manual De Uso

10 Function tests
10 Function tests

Service programs

Program Program name
Vacuum test
Bowie & Dick test
Draining
See also:
▪ Vacuum test [} page 40]
▪ Bowie & Dick test [} page 41]
▪ Emptying [} page 56]
Vacuum test
The device can be checked for leakages in the steam system using the
at the same time.
Perform a vacuum test in the following circumstances:
▪ Once a week in routine operation
▪ During commissioning
▪ Following longer operating pauses
▪ In the case of a corresponding malfunction (e.g. in the vacuum system)
PLEASE NOTE
Perform the vacuum test with the device in a cold and dry state.
1.
Switch on the device.
Working in the Service programs menu, select Vacuum test
2.
and press Start.
Ê
The vacuum test is started in the Default program version.
Ê
The evacuation pressure and the equilibration time or measurement time are shown on the display. The chamber is
ventilated after the end of the measuring time. Then the message will be shown on the display with an indication of
the leakage rate. Should the leakage rate be too high i.e. over 1.3 mbar, a corresponding message will be shown on
the display.
40
Operating Use/function
time
25 min For measuring the leakage rate, test with a dry and
cold device (test without load)
20 min Steam penetration test with special test package
(available from specialist stockists)
3 min For emptying and pressure release of the double jacket
steam generator, e.g. for service, decommissioning or
before transport
vacuum test. This determines the leakage rate
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