21ST620WBC INSTRUCTION MANUAL
ADVANCED FUNCTIONS
Menu Screen Overview
Press the OK key twice and use
the touch ring to scroll through
the Menus, and you can then press
the OK key to select the menu you
want to use.
You can scroll through the menus in either direction, depending on the direction you move your finger around the
Touch Ring. The menus are displayed in the order shown in the picture above.
Pressing the Arrow key will return the ST620 to AUTO/MANUAL mode. The programmable thermostat will also return
to AUTO/MANUAL mode after 10 seconds if no Key is pressed.
NOTE: SERVICE and CONTROL are functions that should be carried out by an installer or competent person.
These function are explained in detail on Page 33.
