Airwell SLS 2702 [24/77] English
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Airwell SLS 2702 [24/77] English

Airwell SLS 2202 [24/77] English
Page 23
English
Operation
The connection between the terminal unit and the
board is realized by a 6 ways phone cable.
The connection between the terminal unit and the
main board is not strictly necessary to the normal op-
eration of the controller.
Access to the displaying mask of the
main parameters and unit status mask.
Access to devices maintenance parame-
ters (elapsed working hour of the device
and reset of the hours meter, alarm histo-
ry) (Service Level)
Not Available
Access to the displaying masks of digital
and Analog inputs and outputs status
and of the software release.
Access to clock programming mask
Access to the displaying / programming
masks of the control setpoint (User Level
– Setpoint)
Access to “Service level” masks
Pushing this key together it is
possible to access to the
“Manufacturer Level”
Used only for unit with four compressors
or back to back configuration with Mas-
ter Slave. Switch the displaying Master
unit control / Slave unit control.
The LEDs of each keys light up when the function re-
lated to the key is active.
menu I/O set prog
info
?
on-off alarm enter
menu
I/O
set
prog
info
?
menu
prog
+
1
on-off
2
alarm
3/4 5
enter
Figure 1
1. On/Off key: it allows to switch on and off the unit.
Unit status is indicated by the lighting of the green
LED.
2. Alarm key: it is used to display the alarms, to man-
ually reset the alarms and to arrest the buzzer. If
the key is lighted in red it means that at least one
alarm was detected.
Pushing one time this key the buzzer is arrested
and the mask related the active alarm is dis-
played.
Pushing it a second time the alarm is reset.
3. Upward arrow key: it allows to program the con-
trol parameters and to move between the masks
(not backlighted).
4. Downward arrow key: it allows to program the
control parameters and to move between the
masks (not backlighted).
5. Enter key: it allows to move the cursor inside the
masks and to save the programmed parameters.
This key is continuously backlighted (in yellow) to
show that the unit is under power.
I
Display
The unit is equipped with a 4 lines – 20 columns LCD
display.
The parameters and the operation information are
shown in pages called “masks”
The navigation inside each mask is possible using as
follows the terminal unit keys.
When cursor position corresponds to the left corner
of the upper part of the display (Home) pushing the
arrow keys it is possible to access to the masks
which are associated to the selected field. If a mask
contains parameters programming fields, pushing
the key ENTER the cursor will move to those fields.
When it reaches one of the programming fields, us-
ing the arrow keys it is possible to modify the
relevant value within its programming range. The
modified value must be confirmed pushing the EN-
TER key.
4
4
x Riga0
Home Riga1
Riga2
Riga3
+--------------------+
+--------------------+
Line 0
Line 1
Line 2
Line 3
SLS1-en.qxp 29-06-2007 15:37 Pagina 23

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