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ABB i-bus FW/S 4.1 Radio-Controlled Time Switch Manual

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This document is the installation and operating manual for the ABB i-bus® EIB radio-controlled time switch with a weekly program, model FW/S 4.1, featuring four independent channels. It provides detailed instructions on programming, operation, DCF77 synchronization, and technical specifications for controlling EIB actuators via timed switching commands.

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