Atlas Copco GA 11 VSD User Manual

• Scroll through the items to select the desired shut-down or emergency stop item.
• Press tabulator key (2) to find the date, time and other data reflecting the status of the
compressor when the last shut-down occurred.
3.22 Programmable settings
Compressor/motor (for GA 11 VSD 10 bar compressor)
Minimum
setting
Factory
setting
Maximum
setting
Set point 1 and 2, Workplace bar(e) 4 7 10
Indirect stop level bar 0.1 0.3 1
Direct stop level bar 0.3 1 1.5
Proportional band % 6 10 15
Integration time sec 5 6 10
Minimum motor speed: rpm 1074 1074 1500
Maximum speed reduction % 75 100 100
Parameters
Minimum
setting
Factory
setting
Maximum
setting
Minimum stop time: sec 5 5 30
Power recovery time sec 10 10 3600
Restart delay sec 0 0 1200
Communication time-out sec 10 30 60
Fan motor starts per day 1 2400 2400
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 level)
˚C 111 120 120
Service plan
Also see section Preventive maintenance schedule.
Consult Atlas Copco in case any timer setting should be changed. The intervals must not exceed
the nominal intervals and must coincide logically. See section Modifying service plans.
Instruction book
42 API161475

Atlas Copco GA 11 VSD Specifications

General

Brand	Atlas Copco
Model	GA 11 VSD
Category	Air Compressor
Language	English