Boiler Start Up Screens - Worcester 27i System Compact Installation, Commissioning And Servicing Instructions

5.4.1 BOILER START UP SCREENS

On initial start up, the following screens are displayed:
1. All the symbols are displayed for approximately two seconds.
2. The control will run an internal test.
3. When the internal test has been successfully performed, this screen is
displayed:
– The boiler is in stand-by.
– The flow temperature sensor indicates the primary temperature
from the heat exchanger (not the target set point).
1.
~2 s
2.
3.
Fig. 57 Boiler start up screen
▶ If no adjustments are made for 30 seconds the back light is turned off.
▶ As soon as an adjustment is made, the screen will light up and the
relevant information will be displayed.
▶ If the Eco button is pressed or the Hot water temperature control
eco
is adjusted the boiler display will show N/A to indicate that these
functions are not available without the optional integral diverter valve.
N/A
Fig. 58
Greenstar i System Compact - 6 720 807 726 (2013/05)
SCREEN DISPLAY
All possible screen symbols
Alpha/Numerical display
°C
Text display
°F
Hot water
Central Heating
Chimney sweep mode
°C
°F
Alert
Service mode
Burner on
°C
Centigrade
°F
Confirmation
Table 12 Symbol description
STATUS CODES
Refer to section 7.5 for Status codes and service menus.
These are not faults, but provide information concerning the current
status of the boiler.
During normal boiler operation various Status codes can be displayed by
pressing the
The first screen of the Information menu displays the current Status
°C
code, this will change as the boiler runs through various modes and
sequences.
°F
°C
°F
°C
button.
COMMISSIONING
DESCRIPTION
This screen is displayed briefly
during boiler start up and shows
all the symbols that could be
displayed.
Displays a temperature or
boiler status code.
Displays PreHeat or Eco, or
diagnostic code
Displays this symbol during a
DHW demand.
Displays this symbol during a
CH demand.
Displays during service when
the boiler is set to maximum or
minimum output.
Displays with the boiler status
code and diagnostic code
during a fault condition.
Displays when a qualified
service engineer is in the
service menus.
The boiler is in operation and
the flame is alight.
Displays next to the
temperature reading.
This symbol confirms a manual
change.
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