ABB Welcome M2248 W Series, Product Manual

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Mounting/Installation
Product manual 2TMD042300D0022 │ 11
7 Mounting/Installation
Warning
Electric voltage!
Dangerous currents flow through the body when coming into direct or indirect
contact with live components.
This can result in electric shock, burns or even death.
– Disconnect the mains power supply prior to installation and/or disassembly!
– Permit work on the 100-240 V supply system to be performed only by
specialist staff!
7.1 Requirement 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
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 type of supply network (TN system, IT system, TT system) to
secure the following power supply conditions (classic connection to ground,
protective grounding, necessary additional measures, etc.).