10 | Servicing
AHT Cooling Systems GmbH | en-US
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WARNING
Electrostatic discharge and sparking with flammable refrigerant.
Sparks can ignite the leaking refrigerant when the refrigerant circuit is damaged/not sealed. Risk of
fire.
▪ To remove condensation, use a damp cloth or sponge.
▪ Do not use dry cloths or sponges to wipe dry.
▪ Do not operate any electrical devices (e.g. wet vacuum cleaners) within the refrigerator com-
partment that are not of the type recommended by the manufacturer. Devices with explosion
protection markings (see →Explanation of symbols) are permitted.
10.1 Cleaning
Reasons for regular and thorough cleaning (basic cleaning/main cleaning):
– Assurance of the required hygiene. Always keep the goods interior in a clean condition.
– Lowest possible energy consumption.
– Trouble-free operation.
– Life- time extension.
WARNING
Damage to the electrical system and refrigerant circuit by using steam and high-
pressure cleaners.
Contact with live parts may cause electric shock.
Flammable refrigerant can escape and create an explosive gas/air mixture. Risk of fire due to
sparks or overloading.
▪ Steam or high-pressure cleaners may not be used for basic cleaning.
▪ Observe the special instructions for the main cleaning.
CAUTION
Material breakage.
Risk of falling. Risk of impact due to the possibility of products falling. Cutting injuries.
▪ Do not climb onto or into the unit.
Safety in handling with glass see →Mechanical hazards
For cleaning use protective gloves.
10.1.1 Basic cleaning
Responsibility
Operating staff
Cleaning interval
weekly, or as required (see → Servicing „Check-
ing for contamination“)
Time of cleaning
Anytime possible
Cleaning agent
:
Cleaning agent
Cleaning area
– Clean water (neutral pH-value, low water
hardness)
– Unit outside and inside
– Glass surfaces outside and inside
– For heavier contamination: Slightly alkaline
cleaning agent (e.g. neutral soap and water)
– Commercially available glass cleaners
– Glass surfaces outside and inside
NOTICE
Material damage due to incorrect cleaning agents.
▪ Do not use abrasive or chemically aggressive cleaning agents/solvents.
▪ Do not use acids and alkaline washing lyes (pH-value less than 5 or above 7).
Cleaning devices
:
All cleaning devices must be clean themselves.
