Publicité
Table 6. Alarm Codes
Alarm
Trigger
code
"Hi"
Air temperature is
higher than "ALA-
>Hat" for "ALA-
>Htd"
"Lo"
Air temperature is
less than "LAt" for
"Ltd"
"dor"
Door open for more
than "ALA->dod"
"E01"
"S1" error
"E02"
"S2" error
Alarm Silencing
To mute the power fail alarm, change the key-switch to Power
ON position. The power fail alarm will not be audible but the
Red LED will be displayed on the control panel.
The high temperature, low temperature, sensor failure and
door ajar alarms can be silenced by pressing any key on the
controller.
When the alarm is active, the alarm code flashes alternately
with the temperature and alarm symbol.
Once the alarm is silenced, the code stops flashing but the
temperature and the alarm symbol are still displayed.
General Purpose Freezers
Automatic
Outputs
clearance
User Configured
Blink "Hi" with the highest
temperature; If configured: cut in
alarm relay, beep the buzzer
User Configured
Blink "Lo" with the lowest
temperature; If configured: cut in
alarm relay, beep the buzzer
Always
Blink "dor". If configured: cut in
alarm relay, beep the buzzer
Always
Blink "E01". If configured: cut in
alarm relay, beep the buzzer
Always
Blink "E02". If configured: cut in
alarm relay, beep the buzzer
Controller Parameter
Settings
To access the controller settings, you must enter the
password and the access level determines which parameter
you can view and edit.
Password Protection
The unit is password protected except the set point which
can be adjusted without the password. The default password
is 990.
To change the parameters,you must enter the password.
1. Hold "Up / Down" button for 5 seconds.
2. The display will show "PAS" after a brief delay changes to
000
3. Press down arrow 10 times to get 990.
4. Press SC to confirm.
You have now entered the controller parameters menu
Example: To change high temp alarm from -19.0ºC to
-21.0ºC
-
After entering parameter menu to change High Alarm set
point.Press down arrow until ALA and press SC once.
-
Press down arrow to HAt. Press SC once -19.0ºC is
displayed.
Comments
High temperature alarm
Low temperature alarm
Door open alarm
"S1" sensor failure = (short
or open)
"S2" sensor failure = (short
or open)
Operation |
15
Publicité
