Satchwell Type SST Optimiser Data Sheet

This data sheet describes the Satchwell Type SST Optimiser, an optimum start/stop programmer with a digital clock used in intermittently occupied buildings to reduce fuel costs by varying system switch-on times based on prevailing conditions. It covers specifications, settings, and operation for heating, cooling, and heating-cooling models, including features like optimum-off, compensator control, and summer/winter modes.