SIEMENS liquid crystal display Of Room Between temperature controller RDX42 Manual
Update: 29 September, 2023
This document introduces the RDX42 room temperature controller and heat pump system with LCD display from Siemens Building Technologies. The controller can provide single-stage or dual-stage heating, single-stage cooling, and output signals to compressor, reversing valve, switch valve actuator, auxiliary electric heating, and single-speed fan. It can control based on room or return air temperature and has normal, energy-saving, and off working modes. The controller also supports external remote control and installation parameter selection.