Beretta EXCLUSIVE GREEN HE C.S.I. Serie Manual Del Instalador Y Del Usuario página 11

12 - 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
Heating water circuit
temperature selector
ON-OFF-RESET fun-
ction selector
Operating mode button
Heating water temperature selector: sets the heatinga water temperature.
Domestic hot water temperature selector: sets the domestic hot water
temperature.
Function key:
ON - the boiler is electrically powered and waiting for operating requests (
- )
OFF - the boiler is electrically powered but will not respond to operating
requests
RESET - resets the boiler following a fault
Operating mode button:
rating mode: pressing it, the indicator "function selector"
(winter) or (summer)
Info button: shows a sequence of information concerning the operating
status of the machine.
Filling button: pushing it, the boiler automatically fi lls the system until the
pressure reaches 1 to 1.5 bar.
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 (Fig. 1)
- power the boiler.
When 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 "SF" and the "function selection
indicators" light up in sequence. Press
automatic vent cycle.
The display will look like Fig. 2.
If the test is unsuccessful, the boiler will not work and a "0" will fl ash 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. If it was in the OFF mode, the display will
show two segments in the central area (Fig. 3). Press the
enable operation.
Choose the desired operating mode by pressing
symbol moves to:
WINTER
SUMMER
WINTER function (Fig. 4)
With the selector in this position, the heating water and the domestic hot
INFO
Filling
button
button
Domestic
hot water
temperature se-
lector
Setting parameters
selector
button allows to choose the desired ope-
moves to:
button to interrupt the
button, until the
Description of display symbols
graduated heating water temperature scale with heating function symbol
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
fault symbol (e.g. 10 - no fl ame)
function selector (turned to the chosen operating mode:
winter or
burner operating symbol
anti-freeze function active symbol
system fi lling function symbol
fi ll symbol
water functions are activated. Function S.A.R.A is enabled in this position
(see chapter "Boiler functions").
SUMMER function (Fig. 5)
With the selector in this position, just the traditional domestic hot water
function is activated
Adjusting heating water temperature
Turning the selector A (Fig. 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.
The bar segments light up (every 5°C) as the temperature is increased. The
selected temperature value appears on the display.
If you enter the S.A.R.A. adjustment (from 55 to 65°C) while selecting the hea-
ting water temperature, the symbol
Adjusting heating water temperature with an external sensor
connected
When 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
button to
of the bar is illuminated (Fig. 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 (Fig. 7). When choosing the level of comfort, the digit area
of the display shows the required level of comfort while the bar shows the
matching segment (Fig. 8).
summer
and the graduated scale start fl ashing.
ENGLISH
11