![DeDietrich Innovens MCA 25/28 BIC Installation And Service Manual Download Page 42](http://html1.mh-extra.com/html/dedietrich/innovens-mca-25-28-bic/innovens-mca-25-28-bic_installation-and-service-manual_2462465042.webp)
4.11 Electrical diagram
T001963-D
2 3
1
K1
X1
X14
X13
X12
X3
X2
X4
X5
X6
X7
X8
X9
X10
X11
1 2
7 8 9 1 0
X12
3 4
5 6
X6
1 2 3
GN/
YW
WH
BL
GB
1
5
3
X21
X8
1 2 3
PUMP A
WS
BR
BL
GN/
YW
X41
X4
1 2 3
BR
BL
GN/
YW
X81
SCU-C
X11
1 2 3 4 5 6
WH
GY
OR
RD
GN
YW
DV
X7
1 2 3
WH
BK
RD
X121
IT
X5
2 3 4 1
E
BK
BL
GN/
YW
GY
1 2
3
3 2
1
1 2
3
1 2
3
X22
PWM
PUMP
12 13
BK
BK
1 2
X116
FTS
RTS
9
RD
1
BK
1
2
2
X115
8
BL
1
2
2
X114
PS
10 11
BK
BK
3 1
X112
TS
2
BK
1
X80
X10
4 5 7 6
X111
BK
BK
BK
BK
1 2 3 4
PSU
X9
2 3 4 5
X91
BK
BK
BK
BK
1 2 4 5
FAN
HLS
1
BK
BK
1
2
X117
P
230V, 50Hz
L N
SCU-C
X2
1
3
2
BL
BR
GN/
YW
X1
4
2
3
BR
BL
GN/YW
X3
4
3 2 1
5
BR
BL
BR
BL
GN/
YW
3 1
4 2
X51
S
PUMP B
DIS
P
Power supply
DV
3-way valve
PS
Pressure sensor
SCU-C
control panel PCB
PUMP A
Shunt pump (Central
heating)
PSU
Parameter storage for PCBs
PCU and SU
S
On/Off switch
HLS
Safety thermostat
PWM PUMP
Modulation signal from the
boiler pump
PUMP B
Shunt pump (DHW)
FAN
Fan
DIS
Display
IT
Ignition transformer
TS
Temperature sensor
WS
DHW sensor
E
Ignition power relay
RTS
Return sensor
GB
Combined venturi and gas valve
unit
FTS
Flow sensor
4. Installation
MCA 25/28 BIC
40
15/06/12 - 300022159-001-01
Summary of Contents for Innovens MCA 25/28 BIC
Page 7: ...15 06 12 300022159 001 01 5 ...
Page 122: ...9 Spare parts MCA 25 28 BIC 120 15 06 12 300022159 001 01 ...
Page 123: ......