Displaying / Changing Values; Selecting Values; Changing Values; Default Settings - Gardner Denver L15 Original Operating Manual

9. Control system
9.4

Displaying / changing values

9.4.1 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.

9.4.2 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.
 
 +
keys to switch between the
key
.
 
 or keys to go to a

 
 + 
9.5

Default settings

Warning
When programming in standby, the
machine may start up at any time.


9.5.1 Selecting language

You can change the language by pressing the

or + 
until the right language appears.
9.5.2 Setting network pressure
(only L15 - L22)
Max. network pressure:
The network pressure is set in the [ CONTROL MENU ]
sub-menu. The
same time to do this. You are then taken to the main
keys
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
pressing the
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
Min. network pressure:
In the [ CONTROL MENU ] sub-menu please use
to go to the CUT-IN POINT menu item.
Pressing the
You can now correct (increase or decrease) this value


using or
the key.
keys. Press these keys at the same time
 

+  keys have to be pressed at the

to switch to the [ CONTROL MENU ]

key causes the value to
 

or  . Then confirm the value set by
key.
9.8bar
key causes the value to flash.

 . Then confirm the value set by pressing


+
key .


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