Maintenance
AHT Cooling Systems GmbH | en
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WARNING
Electrostatic discharge and sparking
with flammable refrigerant.
Sparks can ignite leaking refrigerant if the
refrigerant circuit is damaged or leaking.
Fire hazard.
Use a slightly moistened cloth or sponge
to remove condensation.
Do not use dry clothes or sponges to rub
dry.
Do not operate any electrical devices
(e.g. wet vacuum cleaners) inside the
cooling compartment that do not corre-
spond to the design recommended by
the manufacturer. Devices with explo-
sion protection markings
(se
e →chapter
are permitted.
11.1 Cleaning
Reasons for regular and thorough cleaning (basic
cleaning/main cleaning):
Ensuring the necessary hygiene. Always keep the
goods area in a clean condition.
Lowest possible energy consumption.
Maintaining trouble-free operation.
Extension of the service life of the appliance.
WARNING
Damage to the electrical system and re-
frigerant circuit due to the use of steam
and high-pressure cleaners.
Contact with live parts may result in electric
shock. Flammable refrigerant can escape
and cause an explosive gas/air mixture. Fire
hazard due to sparking or overload.
Do not use steam or high-pressure
cleaners for basic cleaning.
Follow the instructions for main cleaning.
CAUTION
Heavy appliance parts.
Hands may become trapped.
Use protective gloves. .
Material breakage.
Risk of falling. Risk of impact due to the
possibility of products falling. Cutting inju-
ries.
Do not climb onto or into the unit.
Safety in handling glass
se
e →chapter 2.5.3
11.1.1 Basic cleaning
Responsibility
Operating personnel
Cleaning interval
Weekly
As required
Time of cleaning
Possible at any time
Cleaning agents and equipment
NOTICE
Material damage due to incorrect cleaning
agents
Do not use abrasive or chemically aggressive de-
tergents/solvents.
Do not use acids or alkaline detergents.
Material damage due to incorrect cleaning de-
vices
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 incorrect cleaning
No cleaning agent residues may remain on plas-
tic surfaces.
Always wash off plastic surfaces with clean wa-
ter.
Suitable cleaning agents and equipment
All cleaning equipment must be clean.
Cleaning agent
Cleaning device
Unit outside and inside
Clean water (neutral
pH value, low water
hardness)
pH-neutral cleaning
agents diluted with
water
Moist, soft cotton
cloth
Wet suction cloth
Moist sponge
Glass surface outside and inside
Clean water (neutral
pH value, low water
hardness)
pH-neutral cleaning
agents diluted with
water
Commercially avail-
able glass cleaners
Moist, soft cotton
cloth
Moist chamois
leather
Drying
Slightly moistened, soft cotton cloth
