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• 2920 1291 0x. Copyright 2000, Atlas Copco Airpower n.v., Antwerp, Belgium. Any unauthorized use or copying of the contents or any part thereof is prohibited. This applies in particular to trademarks, model denominations, part numbers and drawings. • Follow all relevant safety precautions, including those mentioned on the cover of this book.

Repairs must be carried out by trained personnel from Atlas Copco who can be contacted for any further information. In all correspondence mention the type and the serial number, shown on the data plate. • In case the expected unloading period is too short, the compressor is kept running to prevent too- short standstill periods. GA90 up to GA315 and GA90 W up to GA315 W are single- stage, oil-injected screw compressors, driven by an electric Warning motor and enclosed in a sound-insulated bodywork. • Minimum pressure valve Check valve FN2. Fan Oil stop valve DP1.

Oil drain plug, air receiver Oil level indicator Loading solenoid valve DP4. World Wide Web Ppt Pdf more. Oil drain plug, oil cooler Drive motor Figs.

GA90 and GA110 W 2920 1251 02. • (this time period is called the power recovery not start (indicated as >).

See 'User manual time). For Elektronikon regulator', section 'Programmable settings for GA90/315'. 2920 1251 02. Transformers Q15/16 1X1. Terminal strip 1X3.

Earthing rail One contactor/circuit breaker on GA90 and -110, two contactors/circuit breakers on GA132 up to -315, not provided on GA W. Electric cabinet (typical example) K9F K21 F21 50749F Fig. • Instruction book Compressor outlet 7.0 bar Ref. Designation Automatically loaded Function keys Keys to control and program the Menu Show More Unload compressor. Scroll keys Keys to scroll through the display. Example of the main display Tabulator key Key to go to the next field of the display.

• Key position Compressor control mode Compressor off. If it is desired to connect the compressor to an Atlas Copco ES system (e.g. To an ES100 sequence selector), an optional Local control mode (remote control mode communication module (COM1) needs to be installed.

Microsoft Visual Basic 98. • Instruction book COM1. Communication module MKIII. Electronic regulator SIOE. Expansion modules (upper module not always installed) Guide Slot Plate Cable Fig. Installation of communication module (typical example) in compressor element (E).

Compressed air and oil are All GA/GA W discharged to air receiver/oil separator (AR) via check valve Minimum pressure valve (Vp) prevents the receiver pressure (CV). • (E1 and E2) from flooding with oil when the compressor is stopped. On GA, the coolers are cooled by fans (FN2/3) (GA90 and - 110 are provided with one fan). GA W are provided with a Valves (BV) by-pass oil cooler(s) (Co) when starting the cooling water system. • Instruction book Fig. 5b GA90 up to -160 during loading (13 bar / 200 psi) Air filter(s) Compressor element UV1.

Unloading valve Air receiver/oil separator Filler plug, oil UV2. Unloading valve Air outlet valve FN2/3. Fans Minimum pressure valve Thermostatic by-pass valve(s). • Instruction book Fig. 5c GA W 200 up to -315 during unloading (10-13 bar/125-150-200 psi) GA/GA W 90 up to -160 Control pressure is fed via flexible (2) and selector valve ® The system is controlled by Elektronikon regulator (CM) (Ss) through solenoid valve (Y1) to valves (V1 and V2). • Instruction book Fig. 5d GA W 200 up to -315 during loading (7.5 bar/100 psi) outlet of compressor element (E) decreases, valve (V3) For 7.5 bar/100 psi compressors, receiver pressure is closes by spring force and stops blowing off air.