11 | Maintenance
11.2.1 Basic cleaning
Responsibility
– Operating personnel
Cleaning interval
Exterior
– As required
Interior
– For hygiene reasons at least every six months
– As required
Time of cleaning
Exterior
– Possible at any time
Interior
– With cooling function switched off
Cleaning agents and equipment
NOTICE
Material damage due to use of incorrect
cleaning equipment.
§ Do not use hard, pointed objects such as steel
blades.
§ Do not use hard, coarse cleaning equipment such
as steel wool or paper towels.
Material damage due to use of too much
cleaning agent.
§ Use only cleaning equipment moistened with
cleaning agent.
Material damage due to incorrect cleaning.
§ No cleaning agent residues may remain on plastic
surfaces and seals.
§ Always subsequently clean plastic surfaces and
seals with clean water.
Suitable cleaning agents and equipment
All cleaning equipment must be clean.
Cleaning agent
Exterior and interior of appliance, Plastic surfaces
– Clean water (Neutral
pH value, low water
hardness)
– pH-neutral cleaning
agents diluted with
water
Glass surface exterior
– Clean water (Neutral
pH value, low water
hardness)
– pH-neutral cleaning
agents diluted with
water
– Commercially avail-
able glass cleaners
48 / 104
Cleaning equipment
– Moist, soft cotton cloth
– Moist suction cloth
– Moist sponge
– Moist, soft cotton cloth
– Moist chamois leather
AHT Cooling Systems GmbH | en-US
Cleaning agent
Glass surface interior
– Clean water (Neutral
pH value, low water
hardness)
Drying
– Lightly moistened, soft cotton cloth
Cleaning steps
Cleaning steps during operation
a) Open the lid.
b) If necessary, move the goods to another unit with
the same product temperature class.
c) Remove food and packaging residues.
d) Clean the tracks for the lids.
e) Close the lids properly.
f) Clean the outside of the appliance surfaces.
g) Clean the outside of the glass surfaces.
Safety when handling glass [see } Chapter 2.5.3].
h) Dry all cleaned parts and surfaces.
i) Clean the floor in front of the device.
Cleaning steps with cooling function
switched off
a) Move the goods to another appliance with the
same product temperature class.
b) Switch off cooling function [see } Chapter 5]
c) Defrost the unit.
d) Remove lid [see } Chapter 8]. Clean before rein-
stalling.
e) If necessary, remove accessories from the interior
of the unit [see } Chapter 4]. Clean before rein-
stalling.
f) Remove food residues, spilled liquids, and pack-
aging residues.
g) Clean the defrosting channel.
h) Lift out and clean the condensation water sieve.
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Fig. 15: condensation water sieve (1), defrost drain (2)
i) Remove condensation water.
– Wet vacuum cleaner/electrical devices with ex-
plosion protection marking
– Lightly moistened, soft cotton cloth
Cleaning equipment
– Moist, soft cotton cloth
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