Technical data

6 720 611 447 GB (03.11)
30
Text Display
6.8 Settings
6.8.1 Heating (if TR 2 is connected)
Optimum Start
If the optimum start facility is used:
Set the heating ON time to 1 hour before the house
needs to be at the required temperature.
The boiler will start in heating mode at the optimum
time, which could be at any time during that hour.
B From the main menu, select Settings and from the
first submenu, select Heating.
B Press or to switch Optimum Start on or off.
Basic setting: “ON”
6.8.2 Hot Water (Storage Tank, system models
only)
The text display can control the hot water either with
Times and temperatures or only times.
• Times and temperatures: One can choose up to
six different times with temperatures, see page 29
“Hot water”.
• Only times: During that times the Storage Tank will
be charged to the chosen temperature.
B From the main menu, select Settings and from the
first submenu select hot water.
B Press or to switch Times and temperatures
or only times.
6.8.3 Service
Displaying service functions
This option displays various current settings and sta-
tuses of the electrically controlled appliance and system
components for the benefit of the heating engineer.
Service parameters
Language
Available languages are: English, Français (French),
Deutsch (German).
B From the main menu, select Settings, from the first
submenu select Service, from the Second submenu
select Further options, and from the third submenu
select Language.
B Press or to select the desired language.
Two other supplementary functions can be selected
from the third submenu Language:
• Time correction
•LCD contrast.
Time correction:
B Press and hold the button (about 5 seconds)
until the display shows Time correction and LCD
contrast.
B Press or to select Time correction.
B Press the button. The display shows Change
value.
B Press or to set the number of seconds in
24 hours.
Basic setting: “+ 0 s”
LCD contrast:
B Press and hold the button (about 5 seconds)
until the display shows Time correction and LCD
contrast.
B Press or to select LCD contrast.
B Press the button. The display shows Change
value.
B Press or to adjust the LCD contrast.
Basic setting: e. g. “47”
Operating times
This option shows the hours of service (appliance,
burner and hot water) since commissioning.
B From the main menu, select Settings, from the first
submenu select Service, from the Second submenu
select Further options, and from the third submenu
select Operating times.
Fault history
This option displays any faults that have occurred for
the information of the service engineer. The first fault
displayed may still be active. Any other faults displayed
are no longer active.
B From the main menu, select Settings, from the first
submenu select Service, from the Second submenu
select Further options, and from the third submenu
select Fault history.
6.9 Individual timer programmes
Tables for your own timer programmes you find in the
User Manual.
i
Turn the hot water temperature control
always higher than the temperature at the
text display is chosen.