Busch-Tenton free@home Room Temperature Controller Mounting and Operating Instructions

This document is a multilingual mounting and operating instruction for Busch-Jaeger/ABB Tenton free@home® room temperature controllers (RTR/RTC) and control elements, including variants with integrated room air quality sensors (IAQ). It covers intended use, technical data (24 V DC bus power, IP20), mounting options (flush-mounted or surface-mounted with optional removal protection), bus connection, commissioning via System Access Point, and safety warnings against electric shock.