6
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.s
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
COMFORT
ON/OFF
33
32
R
COMFORT
Afficheur gauche
Afficheur droit
28
Regulation of Domestic hot water
To obtain Domestic hot water, press the button
COMFORT 28
(yellow LED comes on)
To adjust the Domestic hot water temperature in winter or summer
operation, use the knob
33
. It is possible to determine the temperature of
water stored in the tank between 40°C and 70°C.
COMFORT
Interruption of heating
To interrupt heating, turn the knob
32
to the
sun
position
.
The boiler will continue to operate in the summer position to provide
Domestic hot water only.
Switch-off procedure
To switch the boiler off, press the button
26
. Close the gas tap
located under the boiler and move the boiler external power supply switch
to the OFF position.
ON/OFF
Display: display of current operations
During operation of the boiler, in other words when it is performing its
normal functions, the left side of the display shows a series of characters
referring to the operations, as indicated below:
0
No heating command
C
Heating
c
pump in post-circulation mode for heating
d
Domestic hot water
h
Pump in post-circulation mode for Domestic hot water
b
Tank reheating
On the right, the display shows (2 characters):
- in heating mode: heating installation output temperature
- in Domestic hot water distribution mode: drawing-off temperature.
- in tank reheating mode: tank temperature or drawing-off temperature.
