Atlas Copco GA 15 Instruction Book page 66

Parameters: unloading/loading pressures for compressors with built-in refrigeration dryer
Unloading pressures
Unloading pressure (8.5 bar compressors)
Loading pressures
Loading pressure (8.5 bar compressors)
Parameters
Motor running time in star
Load delay time (star-delta)
Number of motor starts
Minimum stop time
Programmed stop time
Power recovery time (ARAVF)
Restart delay
Communication time-out
Protections
Compressor element outlet temperature (shut-
down warning level)
Compressor element outlet temperature (shut-
down level)
Service plan
The built-in service timer will give a Service warning message after a preprogrammed time interval has
elapsed.
Also see section
Consult Atlas Copco if a timer setting has to be changed. See section
settings. The intervals must not exceed the nominal intervals and must coincide logically.
Terminology
Term
ARAVF
64
Preventive maintenance
Explanation
Automatic restart after voltage failure. See section
automatic restart.
Minimum
setting
bar(e) 4.1
bar(e) 4
Minimum
setting
sec 5
sec 0
starts/day 0
sec 10
sec 30
sec 10
sec 0
sec 10
Minimum
setting
˚C 50
˚C 111
schedule.
Instruction book
Factory
setting
8
7.4
Factory
setting
10
0
240
20
30
10
0
30
Factory
setting
110
120
Calling up/modifying service timer
Elektronikon regulator
Maximum
setting
8.3
8.2
Maximum
setting
10
10
480
30
30
3600
1200
60
Maximum
setting
119
120
and Activating
API459842