ACCESSING THE MENUS
The Arrow key is not active when the ST320 is in NORMAL mode. To access the
Menu screens, press the OK key twice. The first menu displayed is the FROST
menu:
Use the Touch Ring to scroll through
the Menus, and press the OK key to
select the menu you want to enter:
Pressing the Arrow key will return the ST320 to NORMAL mode. The thermostat will also return to
NORMAL mode after 10 seconds if no Key is pressed or if no movement is detected on the Touch
Ring.
FROST MENU
Entering the FROST menu allows you to turn the frost protection mode of the ST320 on or off. The
FROST mode temperature is preset at 5 ºC; this temperature is factory set and cannot be adjusted.
The FROST mode indicator will be displayed in all the FROST menu
ST320 INSTRUCTION MANUAL10
