AHT Cooling Systems GmbH
22.05.2018 14:09
Page 33
347163_0917_BA_ AC-COOLER_V8_06.09.2017_U_enUS_CD.docx
are technically connected to each other
permanently.
The design of the individual device models can vary.
The waste heat generated in the device is
discharged to the ambient air via an air condenser.
Display shelves can be expanded, reduced or
repositioned.
Device models with different display shelves: Lowest
display shelf at the lowest position (see
→
Chapter 7).
All devices are equipped with return air intake grille
(see
→
Chapter 10.1.1).
The device is equipped with transport rollers to
make changing the location easier (back and forth).
Automatic defrosting
All devices have automatic defrosting. During
automatic defrosting, the LED symbol “
” (see
→
Chapter 4.2) appears on the display.
The frequency, duration and time of the defrosting are
preset. The accumulated condensation water is guided
out of the device interior into a heated condensation
water receptacle and is evaporated there.
CAUTION
Leakage of defrosted water. Slipping
hazard.
►Check for puddle formation in front
of and below the device.
►Remove spilled defrosted water
immediately.
During the defrosting process, a slight increase in
the temperature can occur.
Where required, defrosting can also be initiated
manually
(see
→
Chapter 4.2.2).
Device lighting function
The function of the device lighting is coupled with
the night blind. It is controlled using a magnetic
switch (hidden). The night blind can be opened and
closed mechanically (see
→
Chapter 4.2.4).
Daytime operation function:
Night blind open.
Device lighting automatically on
Night-time operation function:
Night blind closed
Device lighting automatically off
4 Operating and display elements
Temperature display
The temperature of the device is set in the factory so
that the M package temperature class specified by
the manufacturer (see
→
Chapter 2.2) is observed.
Indication of indoor temperature of the device:
Display on the control element (see
→
Chapter
4.2, Fig. 1).
Control of indoor temperature:
Responsibility: Operating staff
Frequency:
several times daily
Operating elements and displays
There are 6 buttons available as operating elements,
which are allocated as follows:
Fig.1: Operating elements and displays
No
.
Control element
Function
1 [UP] button
Increase the
setpoint
2 [DOWN] button
Reduce the setpoint
3 [DEFROST] button
Start manual defrost
4 [SET] button
Display or change
the setpoint
Accept setpoint
setting
5 Button [5]
Switch the cooling
function on or off
6 Button [6]
Switch the inside
light on or off
Setpoint setting
Display the setpoint (temperature set):
Press the
[SET]
button.
Exit setpoint display:
Press the
[SET]
button again or wait 15 sec.
Change setpoint:
Press the
[SET]
button for at least 3 sec. The
setpoint is shown on the display and the LED
symbol “
°C/°F
” flashes.
Increase the setpoint:
Press the
[UP]
button.
Reduce the setpoint:
Press the
[DOWN]
button.
Accept new entry:
Press the
[SET]
button or wait 15 sec.
Manual defrost
Procedure with manual defrosting:
Press the
[DEFROST]
button for at least 2 sec.The
LED symbol “
”appears.
After manual defrosting, the device returns to normal
operation automatically.
Alarm display and acknowledgment
Alarm display:
A
fault code
flashes alternately on the display with
the temperature.
Display and
LED symbols
2
1
5
3
6
4
