2 General description
2.1 Introduction
Introduction
GA 18 VSD+ up to GA 37 VSD+ are single-stage, oil-injected screw compressors driven by an
interior permanent magnet (English: Interior Permanent Magnet (IPM)) motor.
The compressors are controlled by the Atlas Copco Elektronikon
TM
Touch controller (ER).
The controller is fitted to the front panel. An electric cabinet (1) comprising fuses, transformers,
relays, etc. is located behind this panel.
The compressors use VSD (English: Variable Speed Drive) technology. This means automatic
adjustment of the motor speed, depending on the compressed air demand.
The compressors are air-cooled and are enclosed in a sound-insulated bodywork.
GA Workplace
Front view, GA VSD+ Workplace
Instruction book
2920 7110 05 11
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