5 | Control and display elements
Fig. 4: Displays
Display
Appliance lighting on (Optional)
5.2.1
General key lock
Press
Deactivate key lock
multaneously for 5 seconds.
(Access to level 1)
Level 1 is activated.
The keys are now accessible for the following functions:
– Switch cooling function on and off
– Select application
– Start semi-automatic defrosting
– Assign bus address
– Switch appliance lighting on and off
– Display and acknowledge alarm
The key lock is reactivated automatically 30 seconds
after the last actuation.
briefly appears on the display.
The key lock is activated again.
5.2.2
Cooling function
Switch off the cooling function for cleaning purposes
only.
Press
Deactivate key lock
multaneously for 5 seconds.
(Access to level 1)
Level 1 is activated.
Switch off cooling
function
Press
(Start defrosting
manually)
Press
Switch on cooling
The interior temperature ap-
function
pears on the display after a few
seconds.
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Meaning of display
Interior temperature
Application
Operating mode code
Alarm
Cooling function active
Defrosting active
Evaporator ventilator active
and
appears on the display.
and
appears on the display.
for at least 1 second.
appears on the display.
for at least 1 second.
5.2.3
Application
The following applications can be selected (customer-
specific options):
–
,
,
Deactivate key lock
(Access to level 1)
Show set application
If no change is desired, the display returns to the inte-
rior temperature after a brief period.
Change application
Apply new input
5.2.4
Semi-automatic defrosting
si-
Deactivate key lock
(Access to level 1)
Start semi-automatic
defrosting
Defrosting period
– Up to 70 min
84-hour defrost block
If the current temperature is shown on the display, the
84-hour defrost block is active.
si-
After semi-automatic defrosting, the appliance auto-
matically returns to normal operation.
The current interior temperature appears on the dis-
play.
5.2.5
Appliance lighting
Optional
Deactivate key lock
(Access to level 1)
AHT Cooling Systems GmbH | en-US
Press
and
multaneously for 5 seconds.
appears on the display.
Level 1 is activated.
Press
for at least 1 sec-
ond.
The currently set application,
e.g.
appears on the dis-
play.
Briefly press.
The newly set application is
adopted automatically after 5
seconds.
Press
and
multaneously for 5 seconds.
appears on the display.
Level 1 is activated.
Briefly press
. The
bol appears.
The key lock is reactivated au-
tomatically 30 s after the last
actuation.
appears on the display.
Then
and the symbol
pear on the display.
Press
and
multaneously for 5 seconds.
appears on the display.
Level 1 is activated.
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