GEA Grasso - Page 79

Grasso
Refrigeration Division
GRASSO SYSTEM CONTROL
01.2003/0 638660E_chapter3.doc Chap. 3 - 3
Line: “ECO system“, use the and keys to select whether an economiser system is installed (two stage
only).
Line: “Injection control", use the and keys to select whether the GSC controls the refrigerant injection
in case of an economiser.
Line: “AKVA type”, use the and keys to select the type of AKVA valve installed.
Press once. The following selection appears on the display:
Nom speed 
Aux output 
<< Configuration 01 >>
Line: “Nom speed“ use digital keyboard keys to enter the value for the nominal motor speed in rpm.
Line: “Aux output“ use the and keys to select the function of the auxiliary output.
Available functions for the auxiliary output:
Function Description
The digital output „Auxiliary output“ becomes active if...
Warning ...a warning is active
More cap ...more capacity needed
Standby ...the 1
st
compressor is standby
Starting ...the 1
st
compressor is starting
Limited ...a capcity limitation is active
Min. cap ...the 1
st
compressor has reached the minimum capacity boundary (variable setting)
Max. cap ...the 1
st
compressor has reached the maximum capacity boundary (variable setting)
Neutral ...the process value is within the neutral zone
Press once. The following selection appears on the display:
Motor curr 
Crankc press 
<< Configuration 01 >>
Line: “Motor curr“, use the and keys to select whether the motor current sensor is fitted.
Line: “Crankc press“, use the and keys to select whether the crankcase pressure sensor is fitted.