Maintenance And Cleaning - Qualified Operator; 17_1.General Instructions; 17_2.Cleaning Of External Parts (Daily/Weekly) - Arneg Wels-Wels R290 Manuel D'installation Et D'utilisation

the unit, which has a resistance to evaporate the water.
Periodically check that the hydraulic connections are still efficient, contacting
a qualified installer.
IT IS RECOMMENDED THAT FLOOR DRAINING BE USED IN ORDER TO
SAVE ENERGY.

17.Maintenance and cleaning - qualified operator -

BEFORE CARRYING OUT ANY MAINTENANCE WORK OR
CLEANING, FIRST DISCONNECT THE UNIT FROM THE VOLTAGE
SUPPLY BY MEANS OF THE GENERAL SWITCH. ALWAYS WEAR
PROTECTIVE GLOVES FOR CLEANING.
Food products can deteriorate due to microbes and bacteria. Respecting hygiene
norms is essential in order to guarantee protection of consumer health, as well as
respecting the chain of refrigeration, for which the sales point is the last controllable
ring.
Cleaning operations must include:
1 - WASHING (removing grease, removal of about 97% of the dirt)
2 - DISINFECTING (using appropriate detergents on the surfaces to remove any
pathogenic micro-organisms that might remain after washing).
3 - RINSING
4 - DRYING
Cleaning the refrigeration units is carried out as follows:

17_1.General instructions

The surfaces to be cleaned and the detergents and water used for
cleaning must not exceed a maximum temperature of 30°C.
use only neutral type detergents
DO NOT use acid or alkaline detergents (e.g. bleach) which could corrode the
surface
DO NOT use abrasive products, chemical/organic solvents or sharp
instruments which could damage the surfaces of the units.
DO NOT use detergents with unknown chemical compositions
DO NOT spray water or detergent directly onto the electrical parts of the unit
and avoid wetting fans, light fixtures, electrical cables, and all electrical
equipment in general during cleaning operations.
DO NOT touch the unit with wet or damp hands or feet
DO NOT use alcohol or similar products to clean the methacrylate parts
(plexiglass).
DO NOT aim the jet directly at painted or plastic-coated surfaces
DO NOT apply the products directly onto the surfaces to be cleaned
DO NOT use steam cleaning equipment
DO NOT use excessive force during cleaning operations
avoid contact with or inhaling vapours emitted from acid, alkaline or ammonia
products contained in flooring detergents which may oxidise or corrode
stainless steel.
if internal cleaning is done with water jet cleaners (Rif. 14), use a LOW
PRESSURE system (max 30 bar) with an appropriate capacity to remove any
residue present. Excessive pressure could damage the surfaces.
keep a minimum distance of 30 cm from the surfaces being cleaned (Rif. 14).
DO NOT bring the jet too close to the dirt, it can cause injury to the operator
and contaminate parts that have already been cleaned, as well as the
environment.

17_2.Cleaning of external parts (Daily/Weekly)

On a weekly basis, clean all the external parts of the unit using neutral detergents
for domestic use that are compatible with the surfaces to be cleaned, or using
05060074 02 19/08/2014
Wels-WelsR290
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