"Service Menu"
The card Service Menu is accessed by pressing the Reset button for 10 seconds.
Press the Heating buttons to select "tS", "In", "Hi" or "rE"
"tS" means Transparent Parameters Menu, "In" means Information Menu, "Hi" means
History Menu, "rE" means History Menu Reset.
Select "tS" and press the Reset button.
Check/Change parameter P02 of the "Transparent Parameters Menu" to 5.
Check/Change parameter P27 of the "Transparent Parameters Menu" to 3.
Press the Heating buttons to scroll the list of parameters in increasing or decreasing or-
der. To modify the value of a parameter just press the DHW buttons; the change will be
automatically saved.
Press the Reset button to return to the Service Menu. Press the Reset button for 10 sec-
onds to exit the card Service Menu.
"System Type Menu"
Press the Summer/Winter button for 10 seconds to access the card System Type Menu.
Change parameter P.02 of the "System Type Menu" to 1.
Change parameter P.09 of the "System Type Menu" to 1.
Press the Heating buttons to scroll the list of parameters in increasing or decreasing or-
der. Press the DHW buttons to modify the value of a parameter: the change will be au-
tomatically saved.
Press the Summer/Winter button for 10 seconds to exit the card System Type Menu.
- Optional functions
As well as the electrical connections of the previous figure (required for this system con-
figuration) there are options that do not require settings.
4
5
6
7
8
9
10 11 12
302
FUSIBILE
3.15A
16 17 18 19 20 21 22 23 24 25 26 27
L
N
fig. 29 - MASTER
4
5
6
7
8
9
10 11 12
302
FUSIBILE
3.15A
16 17 18 19 20 21 22 23 24 25 26 27
L
N
fig. 30 - SLAVE
Key
139 Remote Control: it can be installed in place of 72 to manage the request of the 1st zone (direct)
302 Remote reset input (230Vac): the example shows the connection of a double-pole switch at 230Vac, allowing
the resetting of a block type fault
357 Fault indication (230Vac): the example shows the connection of a lamp at 230Vac
3.4 Gas connection
B
Before making the connection, make sure the unit is arranged for operation with
the type of fuel available and carefully clean all the pipes of the gas system to
remove any residues that could affect proper functioning of the boiler.
56
EN
13 14 15
28 29 30 31 32 33
N
FUSIBILE
Esterno
L
139
13 14 15
28 29 30 31 32 33
N
FUSIBILE
L
Esterno
cod. 3541A282 - Rev. 01 - 02/2013
The gas must be connected to the relevant connection (see fig. 48 and fig. 49) in con-
formity with current standards, with a rigid metal pipe or with a continuous surface flexible
s/steel tube, installing a gas cock between the system and boiler. Make sure all the gas
connections are tight. The gas meter capacity must be suitable for the simultaneous use
of all the units connected to it. The diameter of the gas pipe leaving the boiler does not
determine the diameter of the pipe between the unit and the meter; it must be chosen
according to its length and loss of head, in conformity with current standards.
B
Do not use the gas pipes to earth electrical appliances.
In case of connection in cascade, make sure to install a fuel shutoff valve ex-
ternally with respect to the modules.
3.5 Electrical connections
Connection to the electrical grid
B
The unit's electrical safety is only guaranteed when correctly connected to an
efficient earthing system executed according to current safety standards. Have
the efficiency and suitability of the earthing system checked by professionally
qualified personnel. The manufacturer is not responsible for any damage
caused by failure to earth the system. Also make sure that the electrical system
is adequate for the maximum power absorbed by the unit, as specified on the
boiler dataplate.
The boiler is prewired and provided with a Y-cable and plug for connection to the elec-
tricity line. The connections to the grid must be made with a permanent connection and
equipped with a bipolar switch whose contacts have a minimum opening of at least 3
mm, interposing fuses of max. 3A between the boiler and the line. It is important to re-
spect the polarities (LINE: brown wire / NEUTRAL: blue wire / EARTH: yellow-green
wire) in making connections to the electrical line. During installation or when changing
the power cable, the earth wire must be left 2 cm longer than the others.
B
The user must never change the unit's power cable. If the cable gets damaged,
switch off the unit and have it changed solely by professionally qualified person-
nel. If changing the electric power cable, use solely "HAR H05 VV-F" 3x0.75
mm2 cable with a maximum outside diameter of 8 mm.
Room thermostat (optional)
B
CAUTION: The room thermostat must have clean contacts. CONNECTING
230 V. TO THE TERMINALS OF THE ROOM THERMOSTAT WILL IRREPA-
RABLY DAMAGE THE ELECTRONIC CARD.
When connecting a remote timer control or a timer switch, do not take the pow-
er supply for these devices from their cut-out contacts. Their power supply must
be taken with a direct connection from the mains or with batteries, depending
on the kind of device.
34 35 36
External probe (optional)
Connect the probe to the respective terminals. The maximum permissible length of the
electric cable connecting the boiler - external probe is 50 m. A common 2-wire cable can
be used. The external probe should preferably be installed on the North, North-West wall
or on the wall facing most of the main living-room. The probe must never be exposed to
the early morning sun, and in general (as far as possible) it should not be exposed to
direct sunlight; protect it if necessary. In any case, the probe must not be installed near
windows, doors, vents, flues or heat sources that could affect the reading.
357
fig. 31 - Inadvisable positioning of external probe
34 35 36
Accessing the electrical terminal block
The electrical terminal block is located inside a sealed box at the bottom left of the cab-
inet. Make the electrical connections as shown in the wiring diagram on fig. 55 and run
the cables through the special cable glands.
4
5
6
7
8
9
357
FUSIBILE
3.15A
16 17 18 19 20 21 22 23 24 25 26 27
QUADRIFOGLIO
10 11 12
13 14 15
28 29 30 31 32 33
34 35 36
fig. 32 - Electrical terminal block