70
3061344_201509
2
1
HW
WW
(3-W
egeumschaltventil)
3
2
1
24 VAC
5
4
3
3
2
2
1
1
M2
(V
entilator)
gn/ge
br
br
bl
ws
gn
M1
(Pumpe)
2
1
1
2
E1
(Zündeinheit)
B3
(Ionisation)
bl
br
ge/gn
sw
Brenner
Gehäuse
blau
1
2
Y0
(Gaskombiventil)
Y2
Y1
X10
(Schutz-
leiter-
klemme)
br
PWM
PWM
Pumpe
bl
gn/ge
3
4
5
2
1
3
2
1
L
N
LN
LL
NL
NL
NL
N
+-
~+
-+
-
~~
~~
~+
-
++
-
~~
~+
+
-
Netz
AusgangA1
Zubehör
V1
V2
HK-Pumpe
Zündung
Ventilato
r
Ionisation
eBUS
eBUS
eBUS-
St
ecker
gn
ge
rt
GND
GND
R680
12V
+
+
-
-
eBus
EingangE1
Außenfühler
Rücklauffühler
TW-Abgas
TW-V
orlauf
Vo
rlauffühler
PWM
Drehzahl
GND
3WU-WW
3WU-HZ
Masse
Speicherfühle
r/
Hallsensor
GND
12VDC
PWMPumpe
gn
br
ws
B2
(Rücklauf-
fühler
)
S2
(T
W-
Abgas)
>
X1
X2
X3
X6
X4
X7
X5
X9
(Parameterstecker)
X8
br
gn
ge
ws
X1
2
B
4.1
S
peicherfühler
br
ws
ge
gn
br
ws
gn
br
gn
ws
ge
ws
br
gn
br
gn
ge
ws
ge/gn
sw
bl
br
bl
br
bl
br
bl
br
sw
br
bl
sw
ws
rs
br
ws
gr
gn
ge
ws
ge
gn
br
X1
1.1
(Heiztherme)
A2
A
1
br
bl
sw
gn/ge
1
2
3
4
oo
oooo
MT
3,15
A
F1
br
bl
gn/ge
sw
ws
rt
gn
ws
gr
rs
br
ge
rt
B1
(V
orlauf
-
fühler)
S1
(T
W-
Vo
rlauf)
>
ws
ge
gn
br
S3
(TW
-Brenn-
kammer)
>
nur
bei
CGB-24(K
)
2
1
1
2
B
4.2
Durchflußsenso
r
X1
1.2(Kombitherme)
Hall
AF
E1
eBUS
+
-
1
2
a
b
Net
z
Z
A1
N
N
N
L1
L1
L1
12
12
12
L1
N
L1
N
L1
N
L1
N
L1
N
Wiring diagram
Terminal box: Power supply
230 V
AC 50Hz
Z
External accessories 230 V
AC
A1
Programmable output
E1
Programmable input
eBUS
BUS connection for
external controllers
OS
Outside temperature sensor
Mains
Output
Accessories
HC pump
Ignition
Fan
Input
Outside temp.
sensor
Return temp. sensor
TW flue gas
TW flow
Flow sensor
Speed
Earth
PWM pump
Cylinder sensor/hall sensor
eBUS plug
(Parameter plug)
X1
1.2 (combi boiler)
Casing blue
B 4.1 cylinder
sensor
X1
1.2 Combi boiler
B 4.2 Flow sensor
PWM pump
(three-way diverter valve)
B1
(flow sensor)
S1
(TW flow)
S3 (TW
com
-
bustion chamber)
only for CGB-24(K)
M2 (fan)
E1 (ignition unit)
B2
(return sensor)
S2
(TW flue gas)
B3 (ionisation)
Burner
M1
(pump)
Y0 (gas combi valve)
Mains
Colour key: gn = green br = brown ws = white ge = yellow sw = black bl = blue
X10
(earth termi
-
nal)