20
8.
LANGUAGE
This option is used to select the language version.
9.
FITTER’S MENU
This menu is described in section IX.
10.
SERVICE MENU
In order to activate service options, it is necessary to enter a 4-digit code provided by TECH company.
11.
SOFTWARE VERSION
When this option is selected, the display shows the logo of the CH boiler manufacturer and the controller software version.