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OPERATING INSTRUCTIONS

GRASSO SYSTEM CONTROL

FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW

COMPRESSORS

_805011_om_gsc_sp2_gbr_1_.doc 5

TABLE OF CONTENTS

1 Start-up / Operation of GSC .................................................................................................................. 8

1.1 General Information ................................................................................................................. 8

1.2 Description of the Grasso System Control................................................................................ 8

1.2.1 View............................................................................................................................... 8

1.2.2 Lamps/ Push buttons .................................................................................................. 10

1.2.3 Operator terminal....................................................................................................... 11

1.2.3.1 Key assignment............................................................................................ 12

1.2.3.2 Call up table of contents ............................................................................. 14

1.2.4 Status displays ............................................................................................................. 15

1.3 System description GSC........................................................................................................... 18

1.3.1 Explanation of the system LED................................................................................... 18

1.4 Alarms ..................................................................................................................................... 19

1.4.1 View active alarms and warnings............................................................................... 19

1.4.2 No alarm signal and the compressor will not start.................................................... 19

1.4.3 Restart following Alarms ............................................................................................ 20

GEA GSC User Manual

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