
ABB-Welcome
Mounting / Installation
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6
Mounting / Installation
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Warning
Electric voltage!
Risk of death and fire due to electric voltage of 230 V.
– Low-voltage and 230 V cables must not be installed together in a flush-mounted socket!
In case of a short-circuit there is the danger of a 230 V load on the low-voltage line.
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Warning
Electric voltage!
The upstream fuse must be disconnected when working on the lighting system.
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6.1
Requirements for the electrician
Warning
Electric voltage!
Install the device only if you have the necessary electrical engineering knowledge and experience.
•
Incorrect installation endangers your life and that of the user of the electrical system.
•
Incorrect installation can cause serious damage to property, e.g. due to fire.
The minimum necessary expert knowledge and requirements for the installation are as follows:
•
Apply the "five safety rules" (DIN VDE 0105, EN 50110):
1.
Disconnect the power;
2.
Secure against being reconnected;
3.
Ensure there is no voltage;
4.
Connect to earth;
5.
Cover or barricade adjacent live parts.
•
Use suitable personal protective clothing.
•
Use only suitable tools and measuring devices.
•
Check the type of supply network (TN system, IT system, TT system) to secure the following
power supply conditions (classic connection to ground, protective earthing, necessary
additional measures, etc.).
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6.2
Mounting
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The device must only be installed on mounting rails according to DIN EN 50022.
6.3
System security
Avoid misuse by intruders and configure your telephone system in a way, that the Telephone gateway can not
directly be called from an external telephone. This will prevent unauthorised access of intruders.
If it is necessary to have external access to the Gateway, please activate the Indoor station PIN (See Page 9).
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