QUADRIFOGLIO
52
EN
B
The unit is equipped with an antifreeze system that activates the boiler in heat-
ing mode when the system delivery water temperature drops below 6 °C.
The
device is not active if the power and/or gas supply to the unit is turned off
.
If necessary, for system protection use a suitable antifreeze liquid that meets
the same requirements as set out above and provided for by Standard UNI
8065.
B
Regarding domestic hot water, no type of treatment that can prevent its possi-
ble food use can be provided for.
Water circuit examples
Two direct heating circuits
-
Schematic diagram
fig. 16
- Electrical connections
After installation, carry out the necessary electrical connections as shown on the wiring
diagram.
Then configure the controller as described in the specific section.
fig. 17
Key
-
Parameters
Each system requires a different parameterisation. Follow the access procedure given
below.
“System Type Menu”
Press the Summer/Winter button for 10 seconds to access the card System Type Menu.
Change parameter
P.01
of the “System Type Menu” to
4
.
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.
fig. 18
Key
One direct heating circuit and one DHW circuit with circulating pump
- Schematic diagram
fig. 19
- Electrical connections
After installation, carry out the necessary electrical connections as shown on the wiring diagram.
Then configure the controller as described in the specific section.
fig. 20
72
Room thermostat 1st zone (direct)
a
1st zone (direct)
72b
Room thermostat 2nd zone (direct)
b
2nd zone (direct)
138
External probe
M
Delivery
307
Circulating pump 1st zone (direct)
RA
High Temperature Return
306
Circulating pump 2nd zone (direct)
RB
Low Temperature Return
I*
ISPESL safety devices (When required - not supplied)
To manage sliding temperature it is necessary to purchase the external probe accessory code 013018X0
306
307
72b
72
a
b
M
RA
RB
I*
138
5
6
7
8
9 10 11 12
FUSIBILE
3.15A
4
13 14 15
28 29 30 31 32 33
307
306
L
N
L L N
27 34 35 36
72
138
72B
19 20 21 22 23 24 25 26
16 17 18
139
Remote Control: it can be installed in place of 72 to manage the request of the 1st zone (direct)
301
Fault indication (voltage-free contact output): the example shows the connection of a lamp at 230Vac
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
5
6
7
8
9 10 11 12
16 17 18 19 20 21 22 23 24 25 26 27
139
FUSIBILE
3.15A
4
13 14 15
28 29 30 31 32 33
301
300
302
FUSIBILE
Esterno
N
L
L
N
34 35 36
357
T
130
306
72
a
b
155
300
M
RA
RB
I*
138
5
6
7
8
9 10 11 12
16 17 18 19 20 21 22 23 24 25 26 27
72
138
FUSIBILE
3.15A
4
13 14 15
28 29 30 31 32 33
130
306
L
N
L L N
155
300
FUSIBILE
Esterno
N
L
34 35 36
cod. 3541A282 - Rev. 0
1
- 02/2013
