Operation; Standard Display; Displaying Service Functions; Resetting Service Functions To Factory Settings - Worcester ZSBR 7-28 ICS1 Service Booklet

2

Operation

Instructions on the use of the text display module are
given in the operating and installation instructions for
the boiler.
C
6 720 610 337-08.1R
e
f d
Fig. 1 Controls
a Display
b "Up" or "More" button
c "Down", or "Less" button
d "Back" button
e "Nest" button
f "Delete" button
2.1

Standard display

The text display shows the time, the CH flow tempera-
ture and the measured outside temperature in plain
English.
In addition, the 2-digit display also shows the current
CH flow temperature in Heating mode and Hot Water
mode (display range 00 °C to 99 °C).
2.2

Displaying service functions

B Press any button to activate the main menu.
B Press
or
pointing to Settings.
B Press the
button.
B Press
or
pointing to Service .
B Press the
button.
B Press
button to select Display service
parameters.
Service function 0.0, Last fault is displayed.
B Press
or
current settings.
B Press
button to exit the menu.
2.3 Setting service functions
B Press any button to activate the main menu.
B Taste
or
pointing to Settings.
B Press the
button.
B Press
or
pointing to Service.
7 181 465 347 (01.07)
a
b
c
button until the arrow cursor is
button until the arrow cursor is
button to cycle through the
button until the arrow cursor is
button until the arrow cursor is
B Press the
button.
The cursor is pointing to Display service
parameters.
B Press and hold the
onds) until the display shows shows Adjust service
parameters and the first service function to be set,
e.g. 2.0, Operating mode. If a fault has occurred, the
display will show 0.0 and the last fault.
B Press
or button until the desired service
function is displayed.
B Press the
button.
The first line of the display shows Change value.
B Use the
and
required setting.
B Press the
button.
The text display shows ATTENTION Store set-
tings?.
B Press
or
B Press to confirm your selection.
The text display shows Please wait ..., and the serv-
ice function is then displayed with the new setting.
B Press the
or
tion you wish to change is displayed.
-or-
B Press the
button to exit the menu.
2.4 Resetting service functions to fac-
tory settings
2.4.1 Resetting service functions 0.0 to 4.9 to
their factory settings (Reset 1):
B Power OFF the appliance.
B Press the button
and keep it pressed.
B Switch on the appliance, press and hold the
ton until the
display shows r1 followed by [ ] .
2.4.2 Resetting service functions 0.0 to 9.9 to
the factory setting (Reset 2):
B Power OFF the appliance.
B Simultaneously press and hold buttons
B Switch on appliance, press and hold the
buttons until the display shows r2 followed by [ ] .
To reset all parameters (except service
i
settings) set on the text display module):
B Press and hold the
settings are deleted.
Operation
button (for about 5 sec-
buttons to enter the
to select yes or no.
button until the next func-
and
and
C
button until the
but-
.
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