Minimum
setting
Factory
setting
Maximum
setting
Loading pressure (100 psi compressors) psig 58 91.4 101.5
Loading pressure (125 psi compressors) bar(e) 4 8 8.7
Loading pressure (125 psi compressors) psig 58 116 126.2
Loading pressure (150 psi compressors) bar(e) 4 9.7 10.4
Loading pressure (150 psi compressors) psig 58 140.7 150.8
Loading pressure (175 psi compressors) bar(e) 4 11.4 12.1
Loading pressure (175 psi compressors) psig 58 165.3 175.5
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 30 30 30
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 timer will give a Service warning message after a preprogrammed time interval has
elapsed.
Also see section Preventive maintenance schedule.
Consult Atlas Copco if a timer setting has to be changed. See section Calling up/modifying service timer
settings. The intervals must not exceed the nominal intervals and must coincide logically.
Instruction book
66 2920 7083 31
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