Technical information

6
To obtain central heating only
- Turn the selector switch 25 to the « » position, the green LED
29 will light.
- Ensure that the time clock is on (see S
ECTION 8), and that the room
t
hermostat is calling for heat.
- The control knob
27 « » allows you to adjust the water
temperature in the central heating circuit according to seasonal
requirements.
- Turn the control knob
27:
- Clockwise in cold weather
- Anti-clockwise in mild weather (by turning the knob too far, the
Central Heating will switch off).
-
The LEDs
2
8
w
ill display the temperature of the water in the
c
entral heating circuit.
- Furthermore, your home must be fitted with a room thermostat, set
it to the desired indoor temperature.
-
The orange LED
3
0
w
ill light each time the burner operates.
Stopping the central heating
- Turn the selector switch 25 to the “ ” position. In this state the
boiler will only produce domestic hot water, alternatively, you can
turn the time clock off or turn the room thermostat down.
Stand-by mode
- Turn the selector switch 25 to the «O » position, the green LED 29
will remain alight. The appliance will remain in stand-by mode
unless the anti-frost device is activated.
Turn off the appliance*
- Turn the selector switch 25 to the «O» position
- Turn off the external power supply to the boiler.
* NOTE: IN THIS STATE THE APPLIANCES ANTI-FROST DEVICE IS INACTIVE
The boiler is fitted with a device, which in the event that the water
temperature falls below 8
o
C the pump activates and runs until a
temperature of 18
o
C is attained. In the event that the water
temperature falls below 3
o
C, the diverter valve switches to Domestic
Hot Water and the burner fires on minimum power until a
temperature of 33
o
C is attained.
This device is only activated when the boiler is operating perfectly
and
-
the system pressure is sufficient;
- the boiler is powered electrically;
- gas is available.
Schedule an annual maintenance check-up for the boiler with a
CORGI registered Service Engineeer in the UK and with a competent
person as described in I.S.813 for IE.
Correct maintenance always results in savings in the cost of running
the system.
4. ANTI-FROST DEVICE
5.
MAINTENANCE