IAC420 Universal Multi-Loop Controller Wiring and Commissioning Instructions

This document provides wiring, installation, and commissioning instructions for the Satchwell IAC420 universal multi-loop intelligent advanced controller, including detailed module descriptions, configuration procedures, and backward compatibility with the IAC400. It covers input/output modules, maths, logic, control, and reference modules, along with preset application selection, jumper settings for configurable inputs, and networking via Satchnet Bubbleland software.