Call Up Table Of Contents - GEA Grasso Manual

Grasso
Refrigeration Division
1.2.3

Call up table of contents

To get to the table of contents, press the
Number Title
05 Actual values
10 Control settings
15 Operating modes
20 Limit values
25 Alarms
30 Timer settings
35 Unit Options
50 Configuration
90 Main system menu
To get to these menus, position the cursor on the menu name (using the
the key.
Parameter changes in menu 20, 30, 35, 50 can cause serious damage to the piston compressor unit!
1.2.3.1 Actual values menu
05 Actual values
PV SP
Cap Imot
Tc dPoil
Actual values 01 >>
Capacity ( )
Suction press
Discharge press
<< Actual values 01 >>
Oil diff press
Oil press
Crankc press
<< Actual values 01
Chap. 1 - 6
key. A list of the available menus is then displayed.
Help text
Display of all unit's actual values
Display and set up of all control parameters
Selection of operation mode
Set up of alarm, warning and limitation parameters
Display of current and previous alarms
Set up of timers
Selection of unit option menus
Enter:
- Compressor type
- Scaling of the sensors
PV:
SP:
Cap:
Imot:
Tc:
dPoil:
Capacity:
Suction press:
Discharge press:
Oil diff press:
Oil press:
>> Crankc press:
638660E_chapter1.doc
- Refrigerant used
- With/without economiser
- Number of cylinders
Process Variable, display in °C/R (pressure) or °C (temp)
Set Point display in °C / °C/R
Actual capacity step (for the low pressure stage) in %
Motor current in A
Discharge pressure in °C/R
Differential oil pressure in bar
Actual capacity step for the high and low pressure stage
in %
Suction pressure in bar (a)
Discharge pressure in bar (a)
Oil differential pressure in bar, calculated from the oil
pressure minus crankcase or suction pressure
Oil pressure in bar (a)
Crankcase pressure in bar (a)
GRASSO SYSTEM CONTROL
or key) and confirm with
01.2004/1