Satchwell CMC 3803 Compensator/Optimiser Specification and Wiring Guide

This document provides technical specifications, wiring diagrams, and commissioning details for the Satchwell CMC 3803, a microprocessor-based compensator/optimiser for energy-saving control of central heating systems in intermittently occupied buildings. It covers features such as optimum start algorithms, dual compensation ratios, self-learning curves, programmable holidays, and detailed input/output connection instructions.