Special Function - Bosch C-IR 20 Installation And Operating Instructions Manual

• Sunday's program mode
program.
▶ Then, select a return date and time.
The logo and date of return are displayed on the main screen.
To cancel the vacation function before the return date, simply change operating
mode.
5.5

Special function

Keyboards lock function
Use this function to prevent changes to the settings (in a child room, public area,
etc.).
▶ To activate de Key lock function, press Settings > Display > Screen Lock.
▶ The logo will be displayed on the screen.
▶ Press the
Open Window function
The user activates/de-activates the function in the Open Window functionmenu.
Conditions of open window detection:
The thermostat detects an "Open window" if the displayed temperature (internal or
ambient sensor) decreases by 3°C or more during a 5 minutes period (or less).In this
case, the thermostats stops heating for 15 minutes.The function remains active
during those 15 minutes so the stop can last more time if the temperature continues
decreasing.
Return to normal mode:
The thermostat returns automatically to normal mode after the stop period.The
function can be overridden: pressing the screen during the stop heating phase, will
display a specific menu asking the user to stop or continue the stop phase.
Special cases:
• This function doesn't work if Thermostat is in OFF / Antifreeze Mode.
• If temperature is less than 10°C, thermostat will regulates at 10°C during the stop
phase.
C-IR 20 – 6721851970 (2022/12)
: the installation follows Sunday's current
key and then, press the logo for 7 seconds.
Operation
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