AHT AC-M Operating Instructions

en | AHT Cooling Systems GmbH Automatic defrosting | 4.1
409654_1_0120
31 / 458
The design of the individual appliance models may
vary.
The appliance is equipped with display shelves.
Number of shelves see →Technical data
Appliance models with different display shelving
The bottom display shelf must be at the lowest posi-
tion.
See →Setup and installation
The appliance is equipped with casters for easy move-
ment back and forth.
The waste heat generated in the appliance is trans-
ferred to the ambient air via a heat exchanger.
4.1 Automatic defrosting
The appliance features automatic defrosting.
The frequency, duration and time of defrosting are pre-
set.
Defrost time
– Up to 60 minutes
During automatic defrosting, the following display
screen and symbols appear on the display (see →
Page31,Chapter 5).
Controller Display Symbol
DIXELL
Interior-temper-
ature
The water produced on defrosting is routed from the
interior of the unit into heated condensation water
trays where it evaporates.
CAUTION
Leakage of condensation water.
Slipping hazard.
▪ Check for puddles in front of and under the
appliance.
▪ Promptly remove leaking condensation wa-
ter.
▪ Contact the maintenance service immedi-
ately (see →Maintenance services).
During defrosting, a minor temperature increase may
occur.
If required, semi-automatic defrosting can be used
(see →Semi-automatic defrost).
4.2 Appliance lighting function
The function of the appliance lighting is coupled with
the night blind. It is controlled using a magnetic switch
(not visible). The night blind can be closed and
opened mechanically (see → Page32,Chapter 5.8).
Day mode function
– Night blind open.
– Appliance lighting is automatically on.
Night mode function
– Night blind closed.
– Appliance lighting is automatically off.
A control element is available to switch the appliance
lighting on and off.
See Page32,Chapter 5.6
5 Control and display
elements
5.1 Temperature display
The temperature of the appliance is set at the factory
to ensure compliance with the M-package temperature
class specified by the manufacturer (see →Technical
data).
Internal appliance temperature display
– Display screen at the control element (see →
Page31,Chapter 5).
Check of internal temperature
Responsibility
– Operating personnel
Frequency
– several times daily
5.2 DIXELL electronic controller
The controller is located at the front.
Buttons are available as operating elements, with the
following assignments:
Fig.1: Operating elements
Key Function
Switch the unit lighting on and
off
Start semi-automatic defrost
Display or change setpoint
Accept setpoint adjustment
Increase setpoint
Decrease setpoint
Switch cooling function on and
off
Fig.2: Display screens

AHT AC-M Specifications

General

Brand	AHT
Model	AC-M
Category	Freezer
Language	English