AHT Cooling Systems GmbH | en
Maintenance
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10.2 Decommissioning and
recomissioning
WARNING
Work on the electrical system.
Contact with live parts may result in electric
shock.
Only qualified staff may carry out work
on the electrical system.
Observe the electrical safety rules prior
to commencing work.
1. Disconnect the unit.
2. Secure the unit against reconnection.
10.2.1 Decommissioning
Reasons for shutdown by qualified staff
Maintenance, service, repair
(se
e →chapter 11.2
)
Main cleaning
(se
e → chapter 11.1.2)
Reasons for shutdown by operating personnel
Damage to unit.
WARNING
Decommissioning of the unit.
Contact with live parts may cause electric
shock.
Only previously trained staff must turn
off the unit.
Disconnect the appliance and secure it
against reconnection.
Steps for decommissioning
Move the goods to another appliance with the
same product temperature class.
Disconnect the unit
1.
Switch off circuit breakers used with the appli-
ance and secure them against reconnection
(
se
e → chapter 8.2).
2.
Switch off the appliance circuit by removing the
mains plug and secure against reconnection
(see
→ chapter 8.1).
Longer decommissioning
NOTICE
Material damage during prolonged decommis-
sioning
.Do not expose the unit to heat radiation
Do not place anything in or on the unit
Store the unit in a stable operating position (hori-
zontal alignment).
1.
Carry out steps to decommissioning
2.
Perform basic cleaning (se
e →chapter 11.1.1).
10.2.2 Recommissioning
Recommissioning see Commissioning chapter 9.
10.2.3 Malfunctions during operation
NOTICE
Material and property damage in the event of an
alarm display.
Move the goods to another appliance with the
same product temperature class.
Contact the maintenance service immediately
(see
→ Maintenance services).
Display of alarms
There are different types of alarms that indicate mal-
functions during operation.
Display screen (se
e → chapter 5.2)
Error code
Acoustic alarm (optional)
11 Maintenance
Inspection tasks by operating personnel
Control task
Frequency
See
→
chapter
Proper condi-
tion of units
ongoing
Intended use
operation (use)
Foreign ob-
jects in goods
area
ongoing
Intended use
operation (use)
Breakage of
stored glass
containers
ongoing
Mechanical hazards
operation (use)
Puddle for-
mation in front
of/under unit
(Condensation
,Liquids from
damaged
packaging)
ongoing
Automatic
defrosting
Mechanical
hazards
Interior-temper-
ature
several
times daily
Temperature display
operation (use)
Proper loading
with goods
ongoing
Loading
Closing
properly Night
blind
daily
Loading
Contamination
of the appli-
ance, including
glass
daily
Cleaning steps
Food and
packaging res-
idues
daily
Cleaning steps
Floor (sur-
roundings of
the unit)
daily
Cleaning steps
