AHT Cooling Systems GmbH
page 14
Installation of glass sliding lids
1. Insert smaller, lower sliding lid.
2. Insert upper sliding lid.
3. Fully close the lids.
4. Check for smooth functionality.
Electrical connection
The connection to the power supply is provided by the
operator. For technical data, see → chapter 2.2.
unit to the power supply.
Contact with live parts may cause electric
shock. Risk of fire due to sparks or
overloading.
►Work on the electrical system may only be
performed by qualified staff.
Refer to the local electrical safety
Follow the applicable standards and
Follow the information on the serial plate
→ chapter 2.2.1). The network voltage
and the network frequency must matc
h the
specifications on the serial plate.
Do not connect any damaged unit to the
circuit.
Damaged parts (such as power cords)
must only be replaced by trained staff.
Contact the maintenance service (see
→
hapter 10.4).
Do not squeeze or bend power supply
Observe the minimum requirement for
→ chapter 2.2).
The unit must be electrically protected
according to the applicable laws and
regulations and the requirements of AHT
(see
→ chapter 7.2).
Connect the unit only to a network circuit
with protective grounding.
Do not use extension cords or multiple
Concealed electrical parts must not be
her work on the
NOTICE
• Material and property damage caused by non-
AHT-approved deviations (voltage, frequency) in
the operator's electrical network.
►The manufacturer is not responsible for damage
to the electrical unit of the operator and the
subsequent damage caused thereby.
• Material and property damage due to a wrong
electrical connection.
►Load shedding circuits or device shutdowns are
not permitted.
Unit-connection cable
At the end of the unit-connection cable you can find a
labeling flag with a snowflake.
Fig. 4. Symbol snowflake
The unit-connection cable is used for cooling
purposes.
NOTICE
• Property damage due to missing connection
(cooling).
►Do not connect the unit-connection cable to the
power supply of the ambient light.
Light-connection cable (optional)
At the end of the light-connection cable you can find
a labeling flag with a lamp.
Fig. 5. Symbol lamp
Unit/Light- connection cable:
No labeling flag.
NOTICE
• Property damage due to missing connection
(cooling).
►Unit/Light- connection cable requires permanent
power supply.
Units with IEC-Box
For technical data, see → chapter 2.2.
Units can be equipped with a so-called IEC-Box.
Fig.6: IEC-Box
Wrong electrical connection to the IEC-Box.
Contact with live parts may cause electric
shock. Risk of fire due to sparks or
overloading.
►The brackets of the IEC-Box must be
properly fixed and secured by the screw holder
(see → Fig.6).
AHT recommends (e.g. island arrangement) the
usage of a cable duct with internal or external
sockets. In the case of floor mounting, do not exceed
lower edge of the ventilation grille on the backside.
Electrical protection
Each electrical supply circuit must be equipped with
appropriate protection means according to National
requirements and local regulations.
For technical data, see → chapter 2.2.
Faulty/inadequate electrical fuse.
Contact with live parts may cause
electric shock. Risk of fire due to sparks
or overloading.
►Provide adequate protection.
►Observe applicable local
requirements (for example, for electrical
installation and operating of the device).
►Follow the applicable standards and
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