Installation Guide for C1900

This manual provides installation instructions for the ABB COMMANDER 1900 Circular Chart Recorder and Recorder/Controller. It covers: * **Introduction:** Overview of the COMMANDER 1900 series manuals and the importance of the Installation Record. * **Preparation:** Details on accessories and checking the instrument's code number. * **Mechanical Installation:** Guidance on siting the instrument, including environmental requirements, and mounting options (wall, pipe, and panel). * **Electrical Installation:** Instructions on identifying input/output modules, making channel connections, selecting analog input types, voltage and current considerations, transmitter inputs, thermocouple, RTD, logic inputs, analog outputs, relay outputs, and motorized valve connections. It also details power supply selection and AC connections. * **Installation Record:** A section to log details of the electrical installation for future reference. Key sections include selecting input types, wiring diagrams for various modules, and a comprehensive installation record to be completed by the installer.