7
4000121771-2
Controls and lighting
18
11444
11445
1. Lighting the boiler:
Make sure that:
• The boiler is connected to the electrical
supply.
• The gas service cock is open.
Switch
ON (I)
The running lamp will illuminate green.
2. Stop the boiler:
• Switch to
OFF (0)
the electrical supply is
OFF.
3. Domestic hot water temperature
adjustment:
• Press button
once,
is displayed and the
current temperature setting flashes.
• Press
-
or
+
to set a temperature between 38
°
c to 65
°
c.
• The display will default to normal after 5 seconds if no
buttons are pressed.
11525
Central heating adjustment
The temperature of the water in the central heating circuit can
be set between, approx. 38
O
C and 87
O
C.
It is supplied, factory set to 38
O
C - 73
O
C
Diagram 2
1 -
OFF/ON switch
2 -
Display
3 -
Programing buttons
4 -
Running lamp illuminated green when boiler
is ON (flashing red when fault indicated)
4
1
3
2
Timed central heating and
instantaneous domestic hot water
Central heating and
domestic hot water
Domestic hot water only
Central heating only
Long absence / Holiday mode
and Appliance frost protection
11524
Domestic hot water
The temperature can be adjusted from approx. 38
°
C up to
65
°
C.
