free@home Wireless Room Temperature Controller Insert Manual

This document provides installation, safety, and operating instructions for the Busch-Jaeger/ABB free@home wireless electronic room temperature controller inserts (models 62841 U-WL, 62842 U-WL, 62843 U-WL and their -500 variants). It covers intended use, technical specifications, mounting, commissioning via Bluetooth or System Access Point, and detailed descriptions of display symbols and touch functions for heating, cooling, and split-unit modes.