AHT Cooling Systems GmbH
10
Maintenance
Regular monitoring tasks by operating staff:
Monitoring tasks
Internal temperature
Correct closing of night
blind (device-specific)
Correct position of air intake
grille
Breakage of glass
doors/glass elements
(device-specific)
Correct loading of goods
Checking for closed glass
doors after goods removal by
customer
(device-specific)
"ROLL-IN" devices:
Checking of the hinges
Checking for
contamination
- Contamination of the
device
- Food waste and
packaging waste
Breakage of storing glass
containers/packaging glass
Glass doors/glass elements,
mirror surfaces (device-
specific)
Floor (around the device)
Puddle formation in front
of/under
the device (condensation)
Floor tub
Drain and drain sieve
Air conduits
► Requires early main
cleaning
10.1 Cleaning
Reasons for regular and thorough cleaning (deep
cleaning/main cleaning):
-
Assurance of the required hygiene.
► Always keep the goods interior in a clean
condition.
-
Lowest possible energy consumption.
-
Maintenance of trouble-free operation.
-
Extension of the life of the device.
WARNING
Damage to the electrical system and
refrigerant circuit by using steam and
high-pressure cleaners. Contact with
live parts may cause electric shock.
Frequency
see →
Chapter
several times
4.1
daily
daily
3.2
daily
3
continuously
10.1.2
1.3
continuously
9.1
continuously
1.3
9
several
9
times daily
daily
10.1.1
daily
9
daily
10.1.2
daily
10.1.1
daily
3.1
monthly
10.1.1
at least
10.1.3
¼-yearly
Devices of type R-290: The
refrigerant can escape and create an
explosive gas/air mixture. Risk of fire
due to sparks or overloading.
► For basic cleaning, do not use
steam and high-pressure cleaners
(→ see Chapters 1.6.1 and 1.6.2.1).
► For the main cleaning, follow the
special cleaning manual.
Devices of type R-290: Electrostatic
discharge and sparking in flammable
refrigerant. Sparks can ignite the
leaking refrigerant when the
refrigerant circuit is damaged/not
sealed. Risk of fire.
► To remove condensation and for
cleaning, use a slightly damp cloth or
sponge.
► Do not use dry cloths or sponges
to wipe dry (risk of electrostatic
charging and sparking).
►Do not operate any electrical
devices (e.g. wet vacuum cleaners)
inside the refrigerator compartment
unless they not comply with the
manufacturer's recommended
designs with an explosion protection
mark (see → 1.2).
Sharp edges of the device. Heavy
device parts can cause cutting injury
to the hands. Hands can be jammed.
► For cleaning, wear protective
gloves.
Entering the device areas.
Cutting injuries in the case of
material breakage.
Danger of falling. Impact hazard due
to the risk of falling goods.
► Do not climb onto or into the
device during cleaning.
10.1.1 Basic cleaning
Responsibility:
Operating staff
Cleaning interval:
Basic cleaning must be performed as required (see
→ Chapter 10 "Checking for contamination").
Time of cleaning
At any time
Cleaning agent:
- Clean water (neutral pH, low water hardness)
- Slightly alkaline cleaning agent (e.g. neutral soap
and water) for heavier contamination.
51
WARNING
CAUTION
CAUTION
Capítulos
