Minimum
setting
Factory
setting
Maximum
setting
Loading pressure (100 psi compressors) psig 78 91.4 101.5
Loading pressure (125 psi compressors) bar(e) 5.4 8 8.7
Loading pressure (125 psi compressors) psig 78 116 126.2
Loading pressure (150 psi compressors) bar(e) 5.4 9.7 10.4
Loading pressure (150 psi compressors) psig 78 140.7 150.8
Loading pressure (175 psi compressors) bar(e) 5.4 11.4 12.1
Loading pressure (175 psi compressors) psig 78 165.3 175.5
Parameters
Minimum
setting
Factory
setting
Maximum
setting
Motor running time in star sec 5 10 10
Load delay time (star-delta) sec 0 0 10
Number of motor starts starts/day 0 240 480
Minimum stop time sec 10 20 30
Programmed stop time sec 0 3 20
Power recovery time (ARAVF) sec 10 10 3600
Restart delay sec 0 0 1200
Communication time-out sec 10 30 60
Protections
Minimum
setting
Factory
setting
Maximum
setting
Compressor element outlet temperature
(shut-down warning level)
˚C 50 110 119
Compressor element outlet temperature
(shut-down warning level)
˚F 122 230 246
Compressor element outlet temperature
(shut-down level)
˚C 111 120 120
Compressor element outlet temperature
(shut-down level)
˚F 232 248 248
Service plan
The built-in service timers will give a Service warning message after their respective preprogrammed time
interval has elapsed.
Also see section.
Consult Atlas Copco if a timer setting has to be changed. The intervals must not exceed the nominal intervals
and must coincide logically. See section Modifying general settings.
Instruction book
2920 7090 51 111
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