QUADRIFOGLIO B
91
EN
cod. 3541D501 - Rev. 03 - 12/2013
Generators in cascade: one direct heating circuit and one DHW circuit with circu-
lating pump
Schematic diagram
The boiler's electronics can manage up to
6 modules
. 3 are given in the example.
fig. 48
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. 49
Legend
Parameters
Each system requires a different parameterisation. Follow the access procedure given
below for the
MASTER boiler
and the
SLAVE boilers
.
“Service Menu”
Check/change parameter
b02
of the “Transparent Parameters Menu” to
8
. (for models
B 70, B 125 and B 320) and to
6
(for model B 220)
Check/change parameter
b08
of the “Transparent Parameters Menu” to
3
.
“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
.
- 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. 50 - MASTER
130
306
72
a
b
155
298
MASTER
SLAVE 1
SLAVE 2
300S
300S
300M
M
RA
RB
M
RA
RB
M
RA
RB
M
M
138
I*
M
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
37 38 39 40 41 42 43 44
72
138
298
155
MASTER
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
37 38 39 40 41 42 43 44
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
SLAVE 1
FUSE
3.15A
L
N
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
37 38 39 40 41 42 43 44
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
A
C
B
300S
SLAVE 2
M
FUSE
3.15A
L
N
FUSE
3.15A
L
N
A
C
B
300S
M
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
A
C
B
300M
L
L
N
M
72
Room thermostat 1st zone (direct)
306
1st zone (direct) circulating pump
130
Hot water tank circulating pump
138
External probe
a
1st zone (direct)
155
Hot water tank probe
b
Hot water tank circuit
298
Cascade temperature sensor
M
Delivery
300M
MASTER boiler motor-operated butterfly valve
RA
High Temperature Return
A =
OPENING PHASE
RB
Low Temperature Return
B =
NEUTRAL
C =
CLOSING PHASE
300S
SLAVE boiler motor-operated butterfly valve
A =
OPENING PHASE
B =
NEUTRAL
C =
CLOSING PHASE
I*
ISPESL safety devices (When required - not supplied)
To manage sliding temperature it is necessary to purchase the external probe accessory code 013018X0
If a hot water tank probe (not supplied) is used, it is necessary to purchase the NTC probe accessory code
1KWMA11W (2 mt.) or code 043005X0 (5 mt.)
If a hot water tank thermostat (not supplied) is used, it is necessary to purchase the kit accessory code
013017X0 (to be connected in place of the Hot Water Tank Probe)
If a cascade probe (not supplied) is used, it is necessary to purchase the NTC probe accessory code
1KWMA11W (2 mt.) or code 043005X0 (5 mt.)
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
37 38 39 40 41 42 43 44
FUSE
3.15A
L
N
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
357
302
N
L
134
