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Busch-Welcome
7
Mounting / Installation
Warning
Electric voltage!
Risk of death due to electrical voltage of 100 to 240 V during short-circuit in the low-voltage
conduit.
–
Low-voltage and 100 to 240 V conduits must not be installed together in a flush-mounted box!
7.1
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 from power;
2. Secure against being re-connected;
3. Ensure there is no voltage;
4. Connect to earth and short-circuit;
5. Cover or barricade adjacent live parts.
•
Use suitable personal protective clothing.
•
Use only suitable tools and measuring devices.
•
Check the supply network type (TN system, IT system, TT system) to secure the following
power supply conditions (classic connection to ground, protective earthing, necessary
additional measures, etc.).
7.2
General installation instructions
•
Terminate all branches of the wiring system via a connected bus device (e.g., indoor station, outdoor station,
system device).
•
Do not install the system controller directly next to the bell transformer and other power supplies (to avoid
interference).
•
Do not install the lines of the system bus together with 100 to 240 V lines.
•
Do not use common cables for the connecting wires of the door openers and wires of the system bus.
•
Avoid bridges between different cable types.
•
Use only two wires for the system bus in a four-core or multi-core cable.
•
When looping, never install the incoming and outgoing bus inside the same cable.
•
Never install the internal and external system bus inside the same cable.
| 2CKA001473B7474
Mounting / Installation
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