17
ENGLISH
GENERAL
GND
N
L
Alimentazione
230 VAC
Ground
connection
plate
JP
5
JP1
JP3
JP2
JP4
JP3A
JP3B
JP3C CH1
CH2
CH3
ST3
ST4
ST5
M6
2
M1
0
3
M8
M1
1
M9
M7
PE
M2
M1
2
8
M4
1
M1
C
1
1
M1
B
1
M1
A
1
1
2
1
2
3
1
2
3
4
1
2
3
4
1
2
3
1
2
3
2
3
3
2
3
2
2
33 32
31 30 29
28 27 26
25 24 23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
34
35
36
37
38
39
40
41
SBAG
GND
GND
SMix 2 (*)
SE
GND
GND
L
L
N
L
N
F
JUMPER di fase L - Sez. 0,75 mmq
APRE
CHIUDE
COM.
CI Dir
N
L
N
N
L
CI Mix 1
VMix 1
N
L
L
L
L
L
CI Mix 2 (*)
(*)
TS Mix 2 (*)
SMix 1
TS Mix 1
APRE
CHIUDE
COM.
N
N
L
VMix 2 (*)
TA Mix1
REC 07/08
Mixed zone 1
GND
TA Mix2
REC 07/08
Mixed zone 2
GND
TA Dir
TR1
TR2
TR3
Jumper
ST3 - ST4 - ST5
OpenTherm channel (Link-Mode)
REC 07/08
Direct zone
to the CH circuit (BAG) control card
from boiler control card
1 2 3 4 5
1 2 3 4
1 2
3 4
5
black
blue
orange
yellow/green
blue
brown
white
yellow/green
brown
brown
blue
blue
brown
pink
CN5
CN2
X4
X9
X2
JP4
CN3
CN1
P1
P3
P2
OPE OPE
FA2
BOILER CONTROL CARD
BAG CARD
FA1
SC
ER
EA
TAC
TLS
TLA
SM
SR
PA
CI
M5
M3
F1 F2
M3a
M4
N
N
L
L
F
VD
VG
brown
brown
black
blue
brown
black
blue
blue
VHv
1 2 3 4
1
4
3
2
1
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
2 3
1 2 3 4 5 6
X16
Power supply
230 VAC
red
pink
red
black
white
white
orange
orange
black
white
VLv
blue
blue
blue
black
black
grey
red
SF
brown
brown
SB
M4a
PO
CN1÷CN5 Mains voltage connections
M3÷M5
Boiler control card terminal
strip
X2÷X16
Low voltage connections
APC
Condensate pump alarm
EA
Ignition electrode
ER
Flame detection electrode
F
Fuse 3.15A F (fast)
F1-F2
Fuse 3.15A T (timed)
JP4
Boiler configuration selection
jumper (in position 2)
OPE
Gas valve operator
CI
CI Mixing column/storage
cylinder pump
PA
Water pressure switch
P1
DHW temperature setting
potentiometer
P2
CH temperature setting
potentiometer
P3
Function selector
R9
Maximum fan speed trimmer
R10
Minimum fan speed trimmer
R14
Burner ignition slow fan
trimmer
R19 Maximum CH fan speed trimmer
SC
Condensate sensor
SM CH flow temperature sensor
SR
CH return temperature sensor
SW1 Chimney sweep
TAC Ignition transformer
TR2 Main transformer
TLA Water overtemperature threshold
thermostat
TLS Heat exchanger threshold thermostat
VHv Fan power supply 230V
VLv Fan control signal
VG Gas valve
VD
3-way valve servomotor
SB
Storage cylinder temperature sensor
SF
Flue gas temperature sensor
PO DHW timer-programmer (accessory)
WIRING DIAGRAM
MAIN BOILER CONTROL CARD