Device Lighting Function; Operating And Display Elements; Temperature Display; Operating Elements And Displays - AHT ATHEN Serie Manual De Instrucciones

AHT Cooling Systems GmbH
►Contact the maintenance service
immediately (see → Chapter 10.5).
If the automatic defrosting takes place during
business hours, contact the maintenance service
(see → Chapter 10.5) .
If required, a semi-automatic defrosting (see →
Chapter 4.2.2.4/4.2.3.4) can be initiated.
After each defrosting (automatic or semi-automatic),
this is blocked for 24 hours.

Device lighting function

Switching the device lighting on and off can be
carried out (device-specific) by the bus system, an
external switch (e.g. market light) or by an internal
switch (see → Chapter 4.3).
For technical data, see → Chapter 2.2.

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 device temperature:
Temperature display in the front area (see → Chapter
4.2.2 Fig. 2.2) or display screen on the operating
element (see → Chapter 4.2.1/4.2.2/4.2.3).
With (V) devices: Thermometer in the interior
Temperature control:
Responsibility: Operating staff
Frequency: several times daily

Operating elements and displays

Depending on the device model, there are different
versions of the operating elements (controller).
Where required, remove the protecting Plexiglas
cover with a suitable screwdriver to access the
operating elements.
Removing the Plexiglas cover with a
screwdriver. Risk of stab wounds.
►Use the tool carefully.
►Make sure that the screwdriver size is
correct to avoid slipping.
►After using the screwdriver, ensure correct
and safe storage.
NOTE
Property damage caused by making incorrect
•
changes to the parameters on the operating element.
►After operating, re-secure the Plexiglas cover.

Mechanical controller

Buttons and rotary knobs are available as operating
elements (device-specific).
For technical data, see 2.2.
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CAUTION
361929_0917_BA_SM_V4_06.09.2017_U_enUS_DRUCK.docx
Fig. 1.1: Mechanical controller on series (-) operating
elements and displays
Fig. 1.2: Mechanical controller on series (V) operating
elements and displays
No. Operating element
1 Rotary knob [1]
1a Rotary knob [1a] for
deep-freezing (-)
1b Rotary knob [1b]
for cooling (+)
4 [DEFROST]
button
6 Rocker switch [6]
No. Lamp Display description
2
- Temperature display
Device fault-free and in operation
(normal mode)
green
3,
3, 3a: Deep-freeze "-"
3a,
3b:
3b
[DEFROST] button is pressed
"Defrost manually" is activated.
off
Cooling function off
optional warning lamp:
5
red
Temperature too warm
Temperature setting:
Turn rotary knob [1], [1a] or [1b].
Clockwise for colder temperatures.
Counter-clockwise for warmer temperatures.
Switch the cooling function on or off, or
defrosting manually
Switch off the cooling function or start the defrosting
manually:
Press the [DEFROST] button.
The green lamp goes out.
Function
Temperature setting
Level 1:
Warm
Level 9:
Cold
Start defrosting
manually
Switch the cooling
function on or off
Switching between
deep-freezing "-" and
cooling "+"
Cooling "+"
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