GEA Grasso - Page 82

Grasso
Refrigeration Division
GRASSO SYSTEM CONTROL
Chap. 3 - 6 638660E_chapter3.doc 01.2003/0
3.5 Adjusting limit values
Press ,
Select the main menu 20 “Limit values“. The following selection appears on the display:
Suction press 
Psuc low alarm 
Low warning + 
Limit values 01 >>
Page on using the key.
Adjust the limit values to the suit the refrigeration plant.
3.6 Adjusting time values
Press ,
Select the main menu 30 “Timer values“. The following selection appears on the display:
Start to start 
Stop to start 
Timer values 01 >>
Page on using the key.
Adjust the timer values to the suit the refrigeration plant.
3.7 Parameterise unit options
Press ,
Select the main menu 35 “Unit options“. The following selection appears on the display:
Unit options
Sequence control
Act val Parameter
I I >>
• Use the key “Parameter” to select the sequence control parameter list.
• Use the key “Act val” to select the actual values of the master and slave.
Press once. The following selection appears on the display:
Unit options
Economiser
Act val Parameter
<< I I
• Use the key “Parameter” to select the economiser parameter list.
• Use the key “Act val” to select the actual economiser values.