6138/11 Room Thermostat with Display Operating Instructions

This document provides multilingual operating instructions, safety warnings, and installation/dismounting procedures for the Busch-Jaeger room thermostat with display (model 6138/11-xx, RDF/A x.1). The device controls fan convector heaters or conventional heating/cooling systems, featuring operating mode selection, temperature setpoint adjustment, fan speed control, and various display messages for status and alarms.