Bosch 25/32kW - Manual (Page 49)

ELECTRICAL SCHEMATIC
LN
N
C1 B
O
IL
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R
MODE
IN
DIC
A
T
OR
X9 (
P
IN 2)
N
X1 (
P
IN 1
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FROS
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(FR)
X
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IN 3)
X4 (
P
IN
1
)
whit
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brown
grey
X4 (
P
IN 2)
X2 (L
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X2
(N
S)
N
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INK
(REM
O
V
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)
4 1 2 3
X2 (L
R)
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R
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LA
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ROOM T
HERM
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TA
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IVE
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END
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X8 (
P
IN 5)
orange
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1 4 3
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P
IN 3)
X1
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N
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A
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4
X6 (
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IN 2)
X6 (
P
IN 4)
blue
brown
DH
W
CON
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OL
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HERM
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A
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LO
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SW
IT
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IND
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1 (
P
IN 2)
PU
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X7 (
P
IN 1
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brown
M
OTO
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D
D
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VA
LV
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X8 (
P
IN 3)
brown
grey
X1
2 (
P
IN 4)
grey
B
URNER
X1
3 (
P
IN 1
)
yellow
pink
X1
3 (
P
IN 3)
X1
3 (
P
IN 2)
orange
2
4 (C) 2
4 (C)
grey
X1
3 (
P
IN 5)
red
red
PL
UG
I
N
CON
N
E
C
T
OR
C
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NTR
A
L H
E
A
T
IN
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CON
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A
N
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BO
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ERHE
A
T
T
H
ERM
O
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TA
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X3 (
P
IN 3)
X8 (
P
IN 1
)
LIVE S
U
P
P
LY F
O
R AL
TE
R
N
A
TIVE D
IVE
RTE
R
V
A
LV
E
CH DH
W
32
MAN
U
A
L R
E
S
E
T F
L
U
E
O
V
ERHE
A
T
T
H
E
R
M
O
S
TA
T
red
NC
NO
3
NC
orange
NO
3
red
2 6
LO
C
K
O
U
T
R
E
S
E
T S
W
IT
C
H
X3 (
P
IN 3 (
L))
whit
e
whit
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X9 (
P
IN 1
)
X1 (
P
IN 3)
N
4
X1
1 (
P
IN 3)
X1
2 (
P
IN 3)
X7 (
P
IN 3)
brown
N
X7 (
P
IN 4)
N
X8 (
P
IN 4)
X8 (
P
IN 6)
X1 (
P
IN 5)
X1 (
P
IN 6)
MODE SW
IT
C
H
S
E
RVI
C
E
C
O
NNE
C
T
IO
N
MAI
N
S
C
O
NNE
C
T
IO
N
R1
R1
C1
ELECTRICAL SCHEMATIC INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32
8 716 106 252b (07/06
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FA
U
LT
F
IN
D
IN
G
& D
IA
G
R
A
M
S