AFTER INSTALLATION
After completing installation and powering up the ST620 for the rst time the programmable
thermostat will behave in the following way:
All the indicators on the display and the backlight will be turned on.
After 2 seconds the ST620 will then operate in NORMAL mode
and display the current room temperature, with the RCC
indicator ashing.
All programmable thermostat settings will be returned to default values.
If the Reset Button is pressed, the ST620 will behave in the same way as described above, except that
any previously saved user settings stored in the internal memory will be deleted and overwritten
with the default settings.
7ST620 INSTRUCTION MANUAL