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6. Cleaning
The following cleaning procedure must be carried out at least twice a year.
NOTE
The cabinet must not be cleaned while the fans are running. To disable the
fans, disconnect the cabinet from the electricity supply.
WARNING
Evaporators, condensers and parts made of stainless steel may have sharp
edges. Wear protective gloves and work cautiously to avoid cut injuries.
1. Disconnect the cabinet from the mains supply or turn the separate switch to the cleaning
position.
2. Demount lids if present. Empty the cabinet.
3. Allow the cabinet to reach the ambient temperature.
4. Remove any debris.
Do not use picks or sharp tools to remove ice from the evaporator. Damage to the coil may
lead to refrigerant leakage.
5. Inspect for drain water and remove it, if there is any.
6. Clean the interior surfaces of the cabinet with a mild liquid detergent (non-toxic, pH 6-8)
and dry the surfaces carefully using a clean towel.
7. When cleaning is completed, start up the cabinet. Mount lids if present.
See section Starting up.
Check at regular intervals also that
• the operating noise of the cabinet is normal,
• the evaporator is clean and
• the inlet and outlet grids are not obstructed or dirty.
NOTE
Clean the drain sump located in the machinery compartment. Inadequate or
infrequent cleaning may shorten the service life of the electric heater / hot gas
piping for the drain sump. Detergent residues must be cleaned without delay
from the tray.
NOTE
In the event of a refrigerant leakage all products displayed in the cabinet must
be disposed of and then the cabinet must be cleaned.
7. Interruptions in electricity distribution
The cabinet will start up automatically after a power cut or an interruption in the electricity
supply. The evaporation drain sump may overflow during a power cut. After a power cut, check
that the cabinet operates normally. If necessary, contact your nearest service organisation.
Version 05/2022
ENGLISH
10
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