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4.3 Wiring diagram
Electrical power
1
4
supply
2
Gas valve
5
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
gr
g b r m cgr
M
~
NO (3)
12
Figure 4.3
TECHNICAL SPECIFICATIONS
Pump
Ignition and detection
electrode
Remote control / room
thermostat cable
3
4
g/v
n
M
n
~
g/v
m
c
c
g
gr
m
r
c
b
b
c
c
n
b
b
c
n
COM (1)
4
n
b
c
n
b
c
2
11
10
7
Boiler thermostat
8
Boiler NTC probe
NTC heating - Max NTC
9
temperature
5
6
m
b
b
b
b
m
b
gr
gr
n
r
n
r
3
n
t
t
n
1
9
Heating pressure
10
switch
Flue gas pressure
11
switch
12 Three-way valve
7
c
b
r
8
r
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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