GEA Grasso, Operating Instructions Manual

OPERATING INSTRUCTIONS 

GRASSO SYSTEM CONTROL 

FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW 

COMPRESSORS 

_805011_om_gsc_sp2_gbr_1_.doc 

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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