Setting Parameters 5.2 Changing Individual Parameters
Page 28 BOGE base control for scroll compressors
Unlike continuous measurement, single measurement can also be used if
several compressors are in operation in the same compressor network.
Once single measurement has been started for each compressor, all the
individual values can be read from the compressor controls and added
together when the six hour measurement is complete. The total value
represents the number of hours that would be spent in load run throughout the
year as a result of leaks.
During continuous leakage measurement, load run values are continuous-
ly calculated in six hour cycles over a period of one week.
The measurement begins automatically when the control is started, however
it can be restarted manually at any time. Unlike single leakage measurement,
continuous measurement can also be manually started during daily produc-
tion. The measurement starts immediately once the function has been acti-
vated. The first value calculated after a six hour period will probably be false,
since the compressed air generated as part of the normal functioning of the
system will be added to the possible leak-related load run. However, it is likely
that no compressed air will be generated during the next value measurement.
The value obtained purely as a result of leakage will thus be smaller than the
first value. The control always displays the smallest value of all measurements
taken during a period of one week. This will eliminate the possibility of normal
production load runs falsifying the results.
Once the smallest value has been output for the week, continuous measure-
ment starts for the next week, at the end of which the smallest value will again
be output.
Starting Single Measurement
Single measurement starts six hours after this setting has been activated.
Ensure that:
– No compressed air is generated during the measurement as part of normal
operation of the system (for at least six hours).
– The compressor has been set to standby / ready by the control and the
green LED on the control is lit.
– (If "external output release" is activated) the external output release can
neither be disabled manually nor locked using the switch clock.
To start single measurement:
1. Call up the main display of the control.
2. Press the Info key four times.
The "Single leakage measurement" display appears (see page 16).
A code is not required to start leakage measurement.
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