Atlas Copco GA 90 VSD User Manual

6.1 DIMENSION DRAWINGS.......................................................................................................................70
6.2 INSTALLATION PROPOSAL...................................................................................................................72
6.3 ELECTRICAL CONNECTIONS.................................................................................................................75
6.4 COOLING WATER REQUIREMENTS.........................................................................................................76
6.5 PICTOGRAPHS.................................................................................................................................77
7 Operating instructions.................................................................................................78
7.1 BEFORE INITIAL START-UP..................................................................................................................78
7.2 INITIAL START-UP..............................................................................................................................78
7.3 BEFORE STARTING............................................................................................................................81
7.4 STARTING ......................................................................................................................................82
7.5 DURING OPERATION..........................................................................................................................84
7.6 CHECKING THE DISPLAY.....................................................................................................................86
7.7 STOPPING ......................................................................................................................................87
7.8 TAKING OUT OF OPERATION................................................................................................................87
8 Maintenance..................................................................................................................89
8.1 PREVENTIVE MAINTENANCE SCHEDULE..................................................................................................89
8.2 DRIVE MOTOR .................................................................................................................................91
8.3 OIL SPECIFICATIONS..........................................................................................................................92
8.4 OIL AND OIL FILTER CHANGE...............................................................................................................92
8.5 DISPOSAL OF USED MATERIAL.............................................................................................................94
8.6 STORAGE AFTER INSTALLATION...........................................................................................................94
8.7 SERVICE KITS..................................................................................................................................94
9 Adjustments and servicing procedures.....................................................................96
9.1 AIR FILTER......................................................................................................................................96
9.2 COOLERS.......................................................................................................................................96
9.3 SAFETY VALVE.................................................................................................................................97
10 Problem solving............................................................................................................98
Instruction book
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Atlas Copco GA 90 VSD Specifications

General

Model	GA 90 VSD
Category	Air Compressor
Type	Rotary Screw Compressor
Drive	Variable Speed Drive
Rated Power	90 kW
Max Working Pressure	13 bar
Cooling System	Air-cooled
Power Supply	400 V / 50 Hz