8
4000121771-2
Controls and lighting
4. Central heating temperature adjustment:
• Press button
twice,
is displayed and the
current temperature setting flashes.
• Press
-
or
+
to set a temperature between 38
°
c to 87
°
c.
• The display will default to normal after 5 seconds if no
buttons are pressed.
5. Heating Mode select:
• Press button
three times,
is displayed
and
will flash along side the current mode setting.
• Press
-
or
+
to set as required.
• The display will default to normal after 5 seconds if no
buttons are pressed.
6. Long absence / Holiday mode:
•
This mode protects the boiler against frost
7. If a fault occurs:
• The green running light will change to a red flashing light
and the display will flash the letter
‘F’
with the type of fault.
•
Reset the boiler:
Switch the boiler
OFF ( 0 )
, wait for five
seconds. Switch the boiler
ON ( I )
, the boiler is reset. If the
fault continues call your Installation/Servicing company or
Heatcall using the telephone number on the inside front
cover of this literature.
(Ignition fault shown)
8. Installation filling:
•
If the boiler loses water:
The green running light will
change to a red flashing light and the display will flash the
letter
‘F’
with the low system water pressure fault and the
current system pressure.
• Fill the system by the filling device at the bottom of the
boiler until the pressure gauge reads 1.0 bar.
•
Warning:
Take care not to overfill the boiler.
At a
pressure of 2.5 bar or above the high system water
pressure fault will be displayed. The pressure must be
reduced to 1.0 bar by opening the drain valve,
see diagram
1
. If the fault continues call your Installation/Servicing
company or Heatcall using the telephone number on the
inside front cover of this literature.
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