
11
DS 2420, DS 4820
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Important instruction
Blank mounting surface, no lacquer (EMC surface-to-surface contact)
Check the device for mechanical damage. Only perfect devices can be mounted.
Disconnect the power supply prior to any assembly.
For installations connected to an electric power supply install the
s
horting plug and affix the warning signs.
The device must only mounted by suitably trained personnel.
Vertical mounting position
.
Please note that there will be a performance reduction when the
d
evices are mounted horizontally (10%).
Ensure that the ventilation is sufficient and that there is enough
s
pace for the discharged ventilation air (min. 100mm).
Any bore hole dimensions for the fixation of the device must be taken from the dimension
diagrams or from the drilling plan, not from the device.
Drill the mounting bore holes (M4) into the mounting plate. Turn-in the screws to 4mm.
Insert the device and fasten the screws.
The filter and the choke have to be mounted near to the device.
The line shields and the mounting plate must have surface-to-surface contact.
Unshielded cable heads must be kept as short as possible.
Use vibration-proof screw connections.
Ensure that the switch cabinet ventilation is sufficient.
If the ambient temperature is too high (>30°C) an air conditioning unit has to be installed.
Note
: The operation of bedewed devices is not permissible.