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4.3 Wiring diagram
Electrical power
1
4
supply
2
5
Gas valve
3
Fan
6
1
2
N
L
gr
1
gr
c
g/v
m
c
3
gr
c
g/v
4
g/v
m
c
n
n
m
c
g b r m cgr
r
c
b
M
~
12
11
Figure 4.3
TECHNICAL SPECIFICATIONS
Pump
Ignition and detection
electrode
Remote control / room
thermostat cable
3
4
g/v
M
n
~
g/v
m
c
gr
c
g
gr
m
r
c
b
r
c
c
b
b
b
c
COM (1)
b
n
c
n
b
c
NO (3)
10
9
7
DHW NTC
Heating NTC - Max
8
temperature NTC
9
Heating pressure switch
5
6
m
n
b
b
b
gr
gr
n
n
r
n
n
r
4
3
n
r
r
t
t
t
n
2
1
8
7
10 Flue gas pressure switch
11 DHW flowmeter
12 Three-way valve
b
m
b
a
orange
b
white
c
blue
g
yellow
gr
grey
m
brown
n
black
r
red
v
purple
g/v
yellow/green
- 19 -
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