ENGLISH
11
START-UP AND OPERATION (C.S.I. model)
The boiler produces heating and domestic hot water. The control panel contains the main boiler control and management functions.
Description of commands
Description of display symbols
graduated heating water temperature scale with heating function symbol
/PERATING MODE BUTTON
Setting parameters
selector
graduated domestic hot water temperature scale with domestic hot water
function symbol
fault symbol
reset symbol
pressure value
external sensor connection
heating/domestic hot water temperature
or
Heating water temperature selector:
sets the heating water temperature.
Domestic hot water temperature selector:
sets the domestic hot water
temperature.
Function key:
/. - THE BOILER IS ELECTRICALLY POWERED AND WAITING FOR OPERATING REQUESTS (
/&& - THE BOILER IS ELECTRICALLY POWERED BUT WILL NOT RESPOND TO OPERATING
requests
RESET - resets the boiler following a fault
Operating mode button:
button allows to choose the desired ope-
rating mode: pressing it, the indicator “function selector” moves to:
(winter) or
(summer)
Info button:
shows a sequence of information concerning the operating
status of the machine.
Filling button:
pushing it, the boiler automatically fills the system until the
pressure reaches 1 to 1.5 bar.
fault symbol (e.g. 10 - no flame)
function selector (turned to the chosen operating mode:
winter or
summer
burner operating symbol
anti-freeze function active symbol
system filling function symbol
fill symbol
Switching on
Switch on the boiler as follows:
- access the gas tap through the slots in the cover located in the lower part
of the boiler
- OPEN THE GAS TAP BY TURNING IT ANTI-CLOCKWISE (&IG. 1)
- power the boiler.
7HEN POWERED, THE BOILER PERFORMS A TEST SEQUENCE AND A SERIES OF NUMBERS
and letters are shown on the display.
If the test is successful the boiler is ready to work about 4 seconds after
the cycle ends.
After being powered, the boiler begins an automatic vent cycle lasting ap-
proximately 2 minutes. The display indicates
“3&” and the “function selection
indicators” light up in sequence. Press
button to interrupt the
automatic vent cycle.
4HE DISPLAY WILL LOOK LIKE &IG. 2.
If the test is unsuccessful, the boiler will not work and a “0” will flash on the
display.
In this case, contact the Technical Assistance Centre.
The boiler turns on in the status it was in before it was switched off: if
the boiler was in the winter mode when it was switched off, it will turn
ON AGAIN IN THE WINTER MODE. )F IT WAS IN THE /&& MODE, THE DISPLAY WILL
SHOW TWO SEGMENTS IN THE CENTRAL AREA (&IG. 3). 0RESS THE button to
enable operation.
Choose the desired operating mode by pressing
button, until the
symbol moves to:
WINTER
SUMMER
WINTER function (Fig. 4)
7ITH THE SELECTOR IN THIS POSITION, THE HEATING WATER AND THE DOMESTIC HOT
WATER FUNCTIONS ARE ACTIVATED. &UNCTION 3.!.2.! IS ENABLED IN THIS POSITION
(see chapter “Boiler functions”).
SUMMER function (Fig. 5)
7ITH THE SELECTOR IN THIS POSITION, JUST THE TRADITIONAL DOMESTIC HOT WATER
function is activated
Adjusting heating water temperature
Turning the selector
A
(&IG. 6), AFTER HAVING POSITIONED THE SELECTOR MODE ON
winter
, it is possible to regulate the heating water temperature.
Turn clockwise to increase the temperature and anticlockwise to decrease.
4HE BAR SEGMENTS LIGHT UP (EVERY 5
—#) AS THE TEMPERATURE IS INCREASED. 4HE
selected temperature value appears on the display.
)F YOU ENTER THE 3.!.2.!. ADJUSTMENT (FROM 55 TO 65
—#) WHILE SELECTING THE HEA-
ting water temperature, the symbol
and the graduated scale start flashing.
Adjusting heating water temperature with an external sensor
connected
7HEN AN EXTERNAL PROBE IS CONNECTED, THE VALUE OF THE DELIVERY TEMPERATURE
is automatically chosen by the system which rapidly adjusts ambient tem-
perature to the changes in external temperature. Just the central segment
OF THE BAR IS ILLUMINATED (&IG. 7).
To increase or decrease the temperature with respect to the value automa-
tically calculated by the electronic board, turn the heating water selector
clockwise to increase and anticlockwise to decrease. The bar segments
light up (at every comfort level), correction tolerance lies between - 5 and +
5 COMFORT LEVELS (&IG. 7). 7HEN CHOOSING THE LEVEL OF COMFORT, THE DIGIT AREA
of the display shows the required level of comfort while the bar shows the
matcHING SEGMENT (&IG. 8).
Heating water circuit
temperature selector
button
/.-/&&-2%3%4 FUN-
ction selector
button
Domestic
hot water
temperature se-
lector
9
