8
Control Status Indication:
Heating indicator
is displayed when the heat channel is switched ON.
Low Battery
• When battery voltage below 2.4V, the low battery indicator
will be displayed
on LCD.
• When low battery occurs, the backlight will not illuminate.
Battery Cut-off Handling
• When the batteries reach cut-off voltage 2.1V, the LCD will turn off.
• After battery cut-off occurs, the thermostat will enter a cut-off state until new batteries have
been fitted.
BOSS™ is a registered trademark of the Travis Perkins Group
Registered Office: Travis Perkins plc, Lodge Way House, Lodge Way, Harlestone Road,
Northampton. NN5 7UG
