OPERATING INSTRUCTIONS
GRASSO SYSTEM CONTROL
FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW
COMPRESSORS
_805011_om_gsc_sp2_gbr_1_.doc 15
Number Title Help text
50 Configuration Enter:
— Refrigerants
— SC-Type
— Code
— - with/ without economiser
— - scaling of the sensors
90 Main system menu
To get to these menus, position the cursor on the menu name (using the or key) and confirm with the
key.
Danger!
Parameter changes in menu 20, 30, 35, 50 can cause serious damage to the screw compressor
unitor chiller!
1.2.4 Status displays
[Chapter 1.3. in User Manual]
To get to the "status display" views, press the
key several times, or press the key and then .
This display shows all of the information shown in the first actual values screen plus the status of the compressor
unit.
fig. 4: "Status messages" display
AV-LP: Actual value (pressure or temperature) always displayed in °C
SP: Set Point display in °C
Pos LP: Current slide position in %
dPoil: Differential oil pressure in bar
Tc: Condensation temperature in °C
dOilf: Differential oil filter pressure in bar
Hint!
See menu 05 actual values
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