Displaying / Changing Values; Selecting Values; Changing Values; Default Settings - CompAir L07 User Manual

8. Control system
8.4

Displaying / changing values

8.4.1

Selecting values

You can display values, e.g. total hours, and set the
control system, e.g. cut-in and cut-out times, in the sub-
menu.
To reach the main menu, you must press the
keys at the same time.
 


You can use the or
following sub-menus:
[MAINTENANCE SCHED.]
[ CONTROL MENU ]
[ FAULT MEMORY ]
[ TIMER CONTROL ]
[ LIMIT VALUES ]
[OPTIONAL IN-/OUTPUTS]
Enter a sub-menu by pressing the
Again here you can use the
menu item.
To exit the sub-menu, you must press the
at the same time.
To then fully exit the main menu, you must again press
 

the +  keys at the same time.
8.4.2

Changing values

Enter the sub-menu and then the menu item containing
the value you wish to change.
Then press the key, the value flashes. You can now
 
 
press or to change the value. You must then
press the key again to confirm the value.
36
 
 +

keys to switch between the
key
.
 

or  keys to go to a
 
 
+ keys
8.5

Default settings

Danger
When programming in standby, the machine may
start up at any time.
8.5.1

Selecting language

You can change the language by pressing the


or + keys. Press these keys at the same time
until the right language appears.

8.5.2 Setting network pressure

Max. network pressure:
The network pressure is set in the [ CONTROL MENU ]
 

sub-menu. The +  keys have to be pressed at the
same time to do this. You are then taken to the main

to switch to the [ CONTROL MENU ]

menu. Use
sub-menu. Then please press the
The CUT-OUT POINT menu item now appears on the
display. Again pressing the
flash. You can now correct (increase or decrease) this
 


value using or . Then confirm the value set by
pressing the key.
Note
The control system checks whether the value set can
be used. The maximum network pressure CUT-
OUT POINT must be at least 0.2 more than the
minimum network pressure CUT-IN POINT. You may
therefore have to first set the minimum network
pressure point. To prevent your compressor suffering
from excess wear, the difference between the CUT-
OUT POINT and CUT-IN POINT should not be too
small.
Example:
CUT-OUT POINT 10.0bar
CUT-IN POINT 9.8bar
Min. network pressure:
In the [ CONTROL MENU ] sub-menu please use
to go to the CUT-IN POINT menu item.
Pressing the key causes the value to flash.
You can now correct (increase or decrease) this value
 
 
using or . Then confirm the value set by pressing
the key.


+
key .

–
key causes the value to

