13
bl
bl
gv
m
m
v
g m
b
C1
a b
C3
a b
C6
a b
C4
a b
C7
a b
C11
a b
C8
a b
C12
a b
C13
a b
C10
a b
C2
a b c
C5
a b c
C9
a b c
7
6
4 5
11
10
3
1
2
1 2 1 3
9
8
F
N
230V
Pump 2
Pump 1
L
N
230AC
P2
P1
v
g
m
b
Vmix
2
Bus
TA
LOW TEMP
NTC
CR
PUMP
7
10
9
8
6
5
4
3
2
1
CR
TA
Tmix
TS
m c
gv gv
c m m c
gv
c m
n n m r r
v
v
(A)
(B)
(C)
(D)
(E)
Fig. 8
Cable colours:
Key:
b
white
bl
blue
g
yellow
gg
yellow
gv
yellow-green
a
orange
m
brown
n
black
ro
pink
r
red
v
green
P1
high-temperature system pump
P2
low-temperature system pump
CR
open-therm remote control
Tmix
Low temperature system
NTC probe
TA
ambient thermostat
TS
Low temperature limit thermostat
Vmix
Mixer valve 24 Vac (Mut
valve art. 7.009.00132)
BUS
boiler board connection