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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 wires of the system bus together with 100-240 V wires.
■
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 bus inside the same cable.
Product manual 2TMD041600D0107
Mounting/Installation
│11
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