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AHT Cooling Systems GmbH
WArNiNG
Decommissioning the appliance. contact
with any parts carrying live voltage can
cause an electric shock.
▶ Only personnel trained beforehand are
permitted to switch off the appliance.
▶
Disconnect the appliance.
▶
Safeguard the appliance against uninten-
tional restart.
Decommissioning steps for operating personnel:
All devices connected to each other up to the next partition
wall must always be taken out of operation together.
1. Transfer products to another appliance with the same
product temperature class.
Disconnect the appliance:
2.
Deactivate the on/off switch if present (see
➙
Chap
-
ter 7.1) and safeguard against unintentional restart.
3.
Deactivate the circuit breaker in use for the affected
appliance (electrical fuse protection see
➙
Chapter
7.2) and safeguard against unintentional restart.
4.
Deactivate the appliance’s electric circuit by pulling
the power plug in use and safeguard the appliance
against unintentional restart (see
➙
Chapter 7.1).
5. Deactivate the circuit breaker in use for the store’s
light control voltage and safeguard against uninten-
tional restart. The socket for day/night signal (store’s
light control voltage) must be voltage free.
6.
Pull the plug from the socket for the light control sys
-
tem for day/night signal (store’s light control voltage)
and safeguard against unintentional restart.
long-term decommissioning:
∙
Steps to carry out decommissioning (see
➙
above).
∙
Open the doors.
∙
Adjust the appliance to room temperature.
∙
Perform basic cleaning (see
➙
10.1.1).
NOTICE
Material and property damage
due to closed doors
during long-term decommissioning.
▶ Do not expose the appliance to any direct sunlight.
▶ Only store the device in the operating location.
9.2.2 Re-commissioning
Re-commissioning, including the subsequent function test,
may only be carried out by specialist personnel. The pro
-
cedure is described in detail in the corresponding service
manual.
WArNiNG
re-commissioning the appliance with leaks
in the refrigerant circuit. refrigerant can
escape and cause an explosive gas/air
mixture. Risk of fire.
▶
Re-commissioning and the function test
may only be carried out by specialist per
-
sonnel.
▶ If the plug is plugged into the appliance
power circuit, the on/off switch must be
deactivated.
Check the temperature on the internal thermometer after
approx. 1-2 hours (see
➙
Chapter 4.1, Fig. 2).
NOTICE
Property damage
due to improper use
▶ Before loading the appliance with products, it must
run free of faults for approx. 2 hours.
▶ Only load the appliance with products when the
temperature stipulated for the respective product
has been reached.
9.3 Fault in operation
indication by alarm:
There are different types of alarms that indicate faults in
operation.
Priority 1 alarm:
Indicated by flashing light in the storage compartment.
Priority 2 alarm:
No indication on-site.
The alarm is recorded and saved by the system control
and the remote maintenance module.
These alarms and their causes can be retrieved in the
course of remote maintenance. If required, additional cor
-
rective measures can be taken.
lED status indicator:
see
➙
Chapter 4.2
NOTICE
Material and property damage
in the event of an LED
status indicator alarm or priority 1 alarm.
▶
Transfer products to another appliance with the
same product temperature class.
▶ Contact maintenance services immediately (see
➙
Chapter 10.4).
10. Maintenance
Regular inspection tasks by operating personnel
