Cooling Function; Setpoint; Semi-Automatic Defrosting; Appliance Lighting - AHT Ac Serie Manual De Instrucciones

5.3 | Cooling function

Display
closed/appliance lighting off)
5.3 Cooling function
Switch off cooling function for cleaning purposes only.
Switch off cooling Press
function
Press
Switch on cooling The actual temperature and
function
the symbol
display after a few seconds.
5.4

Setpoint

Display setpoint
Display adjusted
setpoint (temperat-
Press
ure)
Exit setpoint display Press
wait 15 seconds.
Change setpoint
Press
seconds.
Change setpoint
Setpoint appears on the
display and the "°C/°F" symbol
flashes.
Increase setpoint
Press
Decrease setpoint
Press
Press
Accept new entry
wait 15 seconds.
5.5

Semi-automatic defrosting

Press
Start semi-auto-
The symbol
matic defrost
display.
Defrost time
– Up to 60 minutes
After semi-automatic defrost, the unit automatically re-
turns to normal operation.
5.6

Appliance lighting

Switch on unit light-
The symbol
ing
32 / 458
Meaning displays
Interior-temperature
Cooling function active
Defrosting active
Evaporator ventilator active
Day operation (night blind
open/appliance lighting on)
Night operation (night blind

Alarm

for at least 1 second.
appears on the display.
for at least 1 second.
appear on the
.
again or
for at least 3
.
.
or
for at least 2 seconds.
appears on the
press briefly.
appears on the display.
Switch off unit light-
The symbol
ing
the display.
5.7 Alarm
Display alarm
An error code appears on the display as a flashing in-
dication alternating with the internal temperature.
The symbol appears on the display.
Error code Meaning (controller for stand-
Low temperature alarm, interior
Acknowledge alarm
Error code can NOT be acknowledged.
The error code is displayed alternately with the current
temperature until the fault is rectified.
5.8

Night blind operation

Fig. 3: Night blind operation - Handle (1), Latch (2)
Close the night blind
– Pull the night blind handle downwards to the latch
and attach.
Appliance lighting automatically switches off.
Open the night blind
– Remove the handle from the latch and let go.
The night blind rolls up to its end position, with a final
braking function.
Appliance lighting automatically switches on.
6

Transport and storage

After delivery, check the appliance for transport dam-
age.
In the event of damage, promptly contact the mainten-
ance service (see →Maintenance services).
WARNING
Damage to the refrigerant circuit.
Flammable refrigerant can escape and cause
an explosive gas/air mixture. Fire hazard.
AHT Cooling Systems GmbH | en
press briefly.
appears on
ard compressor)
Control sensor faulty
Evaporator sensor faulty
High temperature alarm, in-
terior temperature
temperature
Parameter change required
1
2
409654_1_0120