The Heatmiser DS1 Basic is our central heating thermostat, ideal for conventional or combi-boiler systems. This thermostat is used in conjunction with a separate programmer.

The following features of the DS1 Basic central heating thermostat are available;

• Power On & Heat On Indication
• Modern Appearance
• Easily increase or decrease the required temperature
• Variable Switching Differential
• Range: 05-35°C
• Supply: 230v
• Outputs: Volt free 3A Max
• Dimensions: 92mm x 92mm x 26mm (Height, Width, Depth)

IN ORDER TO AVOID ANY RISK OF ELECTRIC SHOCK, TURN OFF THE POWER TO THE HEATING SYSTEM.

This dial thermostat is designed to be surface mounted.

• Separate the front part of the thermostat by unscrewing securing screws on the bottom face of the thermostat.
• Mark 2 hole positions on the wall using the backplate as a positioning template. Drill at the marked positions and insert a wall plug in to each hole.
• Terminate the thermostat as per wiring diagram and screw the DS1 back plate to the back box.
• Reconnect the thermostat front plate and insert the securing screws.