GEA Grasso, Manual

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Grasso
Refrigeration Division
GRASSO SYSTEM CONTROL
01.2003/0 638660E_chapter3.doc Chap. 3 - 5
Press once. The following selection appears on the display:
Configuration
accept save
( ?) ( ?)
<< I I
Use the key “accept“ to accept the new configuration.
)
To undo all changes and exit the configuration menu without accepting and saving press .
)
After changing the compressor type and/or refrigerant and accepting the new configuration with
“accept” certain limit values, time values and control values are set to their default values. Therefore, it is
advised to check and if necessary adjust these values before continuing with “save”.
)
It is advised to check and adjust all other settings before continouing with “save”. See also the sequence
of steps described in chapter 3.1 “Overview of steps to take for commisioning”.
3.3 Adjusting control settings
Press ,
Select the main menu 10 “Control settings“. The following selection appears on the display:
Set Point 1
Set Point 2
Active SP
Control 01 >>
Page on using the key.
Adjust the control parameters to suit the refrigeration plant.
3.4 Adjusting operating mode settings
Press ,
Select the main menu 15 “Operating mode“. The following selection appears on the display:
Operating mode >>
Page on using the key.
Adjust the operating mode parameters to suit the refrigeration plant.