48
4.2 - PRACTICAL CONNECTION WIRING DIAGRAM
L1
N
L1
N
(MV1)
L1
N
L1
N
(M2)
L1
N
(M1)
USC ALLARM SIGNAL
CO MAND
CO M.
INGR ANAL OG.
Modbus B
Modbus A
0-10V -
GND 0-10V - INGR.
Stemp. ACC
PF
INAIL
+24V
min
eBU S-
eBU S+
0
1
2
3
4
5
6
7
8
9
Y4
1
2
3
4
1
2
3
M2
R
FL
C.P.M.
P. CH
CO MAND
P. Coll.
CO MAND
P. Car. DHW
1
2
3
4
5
6
Y3
Y2
12 11 10 98765
4321
0
1
2
3
4
5
6
7
8
9
981011121314
2134567
Jp2
G
V
WH
TA
SE
1
2
4
A4
ALIM (50)
+24V
GND
eBUS+
2134567
9
81011121314
2
1
C
NC
31
4
11
3
10
8
2
9
1
C
NO
13
6
A1
BR
WH
WH
WH
BR
BR
WH
BR
R
R
OR
OR
PF SL PG SRR
SMG
WH
WH
R
BK
BR
BL- N
BR - L1
R
BK
F-6,3A
A2
3
1
4
2
Modbus A
Modbus B
A1
Ufly
BR
BL
BK GND
BR eBUS+
R +24V
13 2
BR
BL
Y/G
BR
BK
BR
BL
BR
IG
2
1
GND
A4
3
1
4
2
1
23
A3
3
1
4
2
2
1
C
4L
1N
5L
2N
GND
+24V
eBUS+
IG1
IG2
YG/
Ufly
(M3)
ALIM.
230 V - 50 Hz
TLG
LTLG
1b1a
BR
BL
Y/G
BCM
R
BR
BK
1
2
3
4
5
6
7
A2
A1
A4
A3
Y2
Y1
Y3
GND
1
2
1
2
3
BL
BR
Y G/
ST1
1
R
R
FILTER
4
N° MOD.
1
2-3
52 2-3/4-5
62 2-3/4-5
73 2-3/4-5/6-7
N
L1BR
BL
YG/
A5/A6-A5/A6
BMM2-7
N
L1BR
BL
YG/
2
1
2
1
BK GND
BR +eBUS
E.RIL.
1-7/8
TEFLON WH
N
L
V1
N
L1
BL
BR
YG/
ST2
1
BK (-)
BR (PWM)
BL (TACHO)
OR (+)
OR +24V
BL XWDC
1
2
3
4
1
2
3
4
A2/A3-A2/A3
BMM2-7/8
PHS
1-2: FASEHNOT SENS.
2-3: FASE SENSIBH.
PIN1
123
4
56
789101112
123
4
5678
Y1
1
2
34
A2
1
2
34
A3
A1
123
456
A4
A8
321 4
765 8
321
A7
4 5 6
A5
2
1
A6
2
1
ROD1 ROD
F1
A2
BK GND
BR +eBUS
OR +24V
BL XWDC
1
2
3
4
A3
(*) EXT 440 ÷ 900
C
NO
C NO
123
4
56
789101112
A4
S1R
WH
BK
SR
WH
BK
WH
BR
BL
BL
PF
min
TL T1L
BL
BL
MOD. 1
MOD. 2 - 8
BL
SR
2-8
PF
min
TL
2-8
WH
BK
WH
BK
BL
A4
123
4
56
789101112
(*) EXT 100 ÷ 350
C
NO
C NO
123
4
56
789101112
A4
S1R
WH
WH
SR
WH
WH
WH
BR
BL
BL
PF
min
TL T1L
BL
BL
ONLY
AUSTRALIA
MOD. 1
PF
min.
MOD. 2 - 7
BL
SR
2-7
PF
min
TL
2-7
WH
WH
WH
WH
BL
A4
123
4
56
789101112
123
456
A1
VM (R)
1 - 7 / 8
2345
A8
321 4
765 8
321
A7
4 5 6
V2
VG
1 - 7 / 8
T. ACC.
1 - 7 / 8
1
E.ACC.
1 - 7 / 8
SILICON- R
YG/
BR
BL
A5
A6
eBUS +
eBUS
+ 24 V
MOD. 1
KITSHC
(+24 V only
for 1SHC)
VM (A)
23
BR
BL
L1
N
BL
BR
Y G/
ST1
1
VM (A)
23
BR
BL
BL
BR
Y G/
ST1
1
VM (A)
23
ST1
1
VM (A)
23
BL
BR
Y G/
BR
BL
1° Mod.
intermediate /
last module
FILTER POSITIONBETWEEN MOD.
ALIM.VENT.
ALIM.VENT.
EXT 100 ÷ 350
L1
N
BL
BR
Y G/
ST1
1
VM (A)
23
L1
N
BL
BR
Y G/
ST1
1
VM (A)
23
FILTER
L1
N
BL
BR
Y G/
ST1
1
VM (A)
23
(MV1)
BL BL
BK
BK
BK
BK
FILTER
ALIM.VENT.
EXT 440 ÷ 900
ALIM.VENT.
BMM
ONLY
AUSTRALIA
PF
min.
(*)
NO
AUSTRALIA
F1
ONLY
AUSTRALIA
PF
min.
ONLY
AUSTRALIA
PF
min.
KEY
E. ACC. Ignition electrode
E. RIL. Detection electrode
HSCP / Uy Temperature control
SR Heating sensor (only mod.1)
SR 1...7 Local heating sensor
PF Flue gas press. switch (only mod.1)
PF min Flue gas minimum press. switch (only mod.1)
SL Condensate level sensor (mod.2)
T. ACC Ignition transformation
TL Limit thermostat
TL 1....7 Local limit thermostat
VG Gas valve
VM (A) Modulating Fan Power Supply
VM (R) Modulating Fan Det./Adjustment
SRR Global return sensor
PG
Gas pressure switch
IG
Main switch
1 - 2: PHASE NOT SENS.
2 - 3: PHASE NOT SENS.
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