11
5.3 Setting CO
2
/ LN
2
injection
To be used, the
CO
2
/ LN
2
emergency injection system must be activated and the injection threshold must be set.
Configuration de l’injection CO
2
/ LN
2
:
1. Press
SEL
to access parameters.
2. Press
to display
CH 5
, validate by pressing
SEL
.
3. Press
to display
A2tp
, validate by pressing
SEL
.
4. Enter the value 1 using the
key. Validate using
SEL.
CO
2
/ LN
2
threshold is activated.
5. Go back to main menu by pressing
6. Press
SEL
1 time.
7. Press
2 times to display
AL2
, validate by pressing
SEL.
8. Modify the triggering CO
2
/ LN
2
temperature by using
and
keys.
9. Validate by pressing
SEL
.
10. Go back toi main menu by pressing
When the device is installed, the injection must only be activated once the target temperature has
been reached, otherwise the cylinders will be unloaded during the first temperature decrease.
6. Indicators et alarms LED
The main display allows a clear and visible display of indicators and warning lights. They have a simplified color code
to help you easily understand the type of defect:
•
Green: Normal running
•
Orange: minor defect (make the necessary arrangements as soon as possible)
•
Red: major defect (make the necessary arrangements immediatly)
Maintien des fonctions alarmes :
If there is no main power, alarms (buzzer, alarms report and CO
2
/N
2
[optionnal]) stay activated thanks to the 24V
batteries supplied as standard with your freezer. Temperature display is also maintained by the 24V batteries.
Warning: compressors are no longer powered, so the freezer doesn’t produce cold anymore.
When a
major alarm
is triggered, the
« OK »
indicator on the screen disappears until the problem is resolved.
6.1 Main power connected
This icon appears when the 230 VAC power supply is connected. It disappears when the 230 VAC power
supply is disconnected.
If the alarm is cut off via the front panel button, it will restart after
30 minutes
.
6.2 Temperature alarm (high or low)
This light indicates that the set temperature inside the freezer is not reached. Check the setting on the
regulator or contact after sales service.
If the alarm is cut off via the front panel button, it will restart after
4 hours
.
