23
5.11
Wiring diagram
A+
B-
GND
+24Vdc
MMI
CN20
CN15
CN1
CN2
CN3
CN14
CN19
CN22
PE
CN10
CN11
CN23
CN7
CN17
CN6
+
-
CN13
CN4
CN21
CN12
SCM
TRA
EAR
L
N
BLUE
BROWN
230 V - 50 Hz
TA-230
BLACK
BLACK
BLACK
BLUE
BROWN
VD
2
3
GND
PWM
BROWN
BLUE
PM
F N
PE
BROWN
BLUE
BLUE
RED
RED
RED
BLA
CK
BLA
CK
BLUE
BLUE
BLACK
BLA
CK
BLA
CK
BRO
WN
BRO
WN
BL
UE
BL
UE
GREEN
GREEN
WHITE
WHITE
YELL
OW
YELL
OW
BL
UE
WHITE
VIOLET
VIOLET
RED
RED
RED
RED
RED
GREEN
BLACK
V
SF
SM
TFU
TS
EV
TA1
CR
ME
TA2*
SE
0/10V GND
ID2
ID1
SS
RED
ORANGE
GREEN
TPA
5V
GND
OUT
RED
WHITE
GREEN
FLM
5V GND OUT
GREEN
RED
GREEN
SR
SRE
R1
R2
NC C
NO
NC C
NO
R4 R5
MMI
MI2
MBUS
BLACK
GREEN
VIOLET
CN5
CN4
CN6
CN aux
MI1
3
2
1
4 5 6
9
8
7
10 11 12 13 14 15 16 17 18
R1 R2 R3
WIFI
YELLOW
ORANGE
RED
WHITE
GREEN
RE1
S2 AUX
S1 AUX
S1
(PT1000)
F
N
F
N
F
N
L
Line / Live
N
Neutral
F
Live
TRA
Ignition transformer
RE1
Resistance
PM
System modulating pump
V
Fan
EAR
Ignition / Detection elec-
trode
EV
Gas solenoid valve
SE
External temperature
sensor
SS
Domestic hot water sensor
SM
Boiler delivery sensor
SR
Return sensor (SR)
TS
Safety thermostat
TFU
Thermal fuse
SF
Smoke flue gas probe
FLM
Flow meter
VD
Diverter valve
TPA
Pressure transducer
SRE
Relay board
MMI
Control interface
SCM
Control board
CR
Remote control (instead of
air thermostat)
TA1-TA2
Air thermostat
TA-230
Room thermostat 230V
S1-2 AUX
Configurable auxiliary sensors
S1
(PT1000)
Solar manifold probe
0/10V
0/10 V input
ID1-ID2
Configurable digital input
ME
Terminals external to panel
MI1-MI2
Terminals inside panel
MBUS
Connections for MOD-BUS
input
WiFi
WiFi antenna board
R1÷R2÷R3
230 V max 100 W output relay
R4÷R5
Dry-contact relay max 230 VAC
- 100 W
When connecting the ambient thermostat to TA1, remove the jumper on TA2 (*) if not used.
Fig. 30
Summary of Contents for 8115101
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