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Minimum
setting
Factory
setting
Maximum
setting
Dewpoint warning temperature
ºC
25
99
Dewpoint warning temperature
ºF
77
210
Service plan
The built-in service timers will give a Service warning message after their respective
preprogrammed time interval has elapsed.
For specific data, see section Preventive Maintenance.
Consult Atlas Copco if a timer setting needs to be changed. The intervals must not exceed the
nominal intervals and must coincide logically. See section
.
Terminology
Term
Explanation
ARAVF
Automatic Restart After Voltage Failure. See section
.
Power recovery
time
Is the period within which the voltage must be restored to have an automatic restart. Is
accessible if the automatic restart is activated. To activate the automatic restart function,
consult Atlas Copco.
Restart delay
This parameter allows to programme that not all compressors are restarted at the same
time after a power failure (ARAVF active).
Compressor
element outlet
The recommended minimum setting is 70 ˚C (158 ˚F). For testing the temperature
sensor the setting can be decreased to 50 ˚C (122 ˚F). Reset the value after testing.
The regulator does not accept inconsistent settings, e.g. if the warning level is
programmed at 95 ˚C (203 ˚F), the minimum limit for the shut-down level changes to 96
˚C (204 ˚F). The recommended difference between the warning level and shut-down
level is 10 ˚C (18 ˚F).
Delay at signal
Is the time period during which the warning signal must exist before the warning
message appears.
Delay at start
Is the time period after starting which must expire before generating a warning. The
setting should be less than the setting for the delay at signal.
Minimum stop
time
Once the compressor has automatically stopped, it will remain stopped for the minimum
stop time, whatever happens with the net air pressure.
Proportional
band and
integration time
The settings for the Proportional band and integration time are determined by
experiment. Altering these settings may damage the compressor. Consult Atlas Copco.
Instruction book
72
API480496
Содержание GA 37 VSD
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