Atlas Copco GA5, User Manual

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User manual
13 TIMER SUBMENU: Programming
compressor start/stop commands
13.1 Function
To program up to 56 start/stop commands for the compressor.
13.2 Procedure
1. Activate the main menu by pressing the key <<Menu>> (5-
Fig. 2.1).
2. Scroll through the available options by using the scroll keys
(6-Fig. 2.1) until the option <<Timer>> is shown on the
second line of the display.
3. Press the key <<Slct>> (select) (5-Fig. 2.1).
4. Initially, the list with start/stop commands is empty, hence
the timer function is switched off (<<Timer inactive>>).
Following screen appears:
Timer not activated
List
F1 F2 F3
Fig. 13.1. Timer screen
13.2.1 To program start/stop commands
1. Press the key <<List>>. The display will show a message
that the list is empty (<<No items>>). The bottom line will
now include the key <<Mod>> (modify).
2. Press the keys <<Mod>> and then <<Add>>. The command
<<MON 00:00 stop>> will be shown.
3. Using the scroll keys (6-Fig. 2.1), modify this command as
required, as described in section 13.2.4. Add and delete
commands as required, as described in sections 13.2.5 and
13.2.6.
4. Activate the timer as described in section 13.2.2.
13.2.2 To activate/deactivate the timer
1. The timer can only be activated if at least one start/stop
command is programmed.
2. Select the menu <<Timer>>. Press the key <<Mod>>
(modify); the message <<Timer not activated>> will blink.
3. Use the scroll keys (6-Fig. 2.1) to change the message into
<<Timer active>>.
4. Press the key <<Prog>> (program) to program the Timer
active function or key <<Canc>> to cancel the modify
operation. If activated, the regulator will execute the
programmed commands.
5. The timer can be deactivated again. In this case, the
programmed start/stop commands will not be executed
(but remain in the memory of the regulator).
13.2.3 To display the list of commands
1. Press the key <<List>> on the timer screen. A typical
display is shown in Fig. 13.2.
Mon 06:00 start
↑
Mon 17:00 stop
←
Tue 07:00 start
↓
Menu Mod
F1 F2 F3
Fig. 13.2. Example of start/stop command screen
The vertical arrows at the right-hand side indicate to use
the vertical scroll keys to select the next and previous start/
stop commands. The horizontal arrow indicates the
command which is accessible at that moment.
2. Use the key <<Menu>> to return to the submenu or the key
<<Mod>> to modify the start/stop commands.
3. After pressing the key <<Mod>>, three selections are shown
on the bottom line of the display (Fig. 13.3):
Mon 06:00 start
↑
Mon 17:00 stop
←
Tue 07:00 start
↓
Mod Add Del
F1 F2 F3
Fig. 13.3. Example of start/stop command screen
4. Use:
- <<Mod>> to modify the command indicated by the
horizontal arrow
- <<Add>> to add a new command at the location of the
horizontal arrow
- <<Del>> to delete start/stop commands
13.2.4 To modify a command
1. Suppose the command <<Mon 17:00 stop>> is to be
modified, i.e. stopping at 18 o'clock instead of 17 o'clock.
2. Press the key <<List>> and scroll through the compressor
start/stop commands until the command to be modified is
indicated by the horizontal arrow on the screen. Press the
key <<Mod>>. Press the key <<Mod>> again. The day
indication will blink (Fig. 13.4). The day can be modified
using the scroll keys (6-Fig. 2.1).
3. Press the tabulator key (7-Fig. 2.1) to go to the next field to
be modified (the hour indication). See Fig. 13.5. Modify
using keys (6).
4. Proceed in the same way to modify, if necessary, the minutes