ENGLISH
46
Cable colours:
white
b
blue
bl
yellow
g
yellow
gg
gv
yellow-green
orange
a
brown
m
black
n
c m
a b
C1
C7
C8
a b
a b
g m
v
1
2
g
v
Vmix
(A)
(B)
(C)
(D)
(E)
Key:
pink
high-temperature system pump
ro
P1
LED
low-temperature system pump
r
P2
blink
open-therm remote control
v
CR
Low
Tmix
NTC probe
ambient thermostat
TA
Low temperature limit thermostat
TS
Mixer valve
Vmix
TA
TS
Tmix
CR
10
9
8
7
6
5
4
3
2
1
PUMP
TA
NTC
Bus
CR
LOW TEMP
n n m r r
v
a b c
a b
a b
a b c
a b
C2
C3
C4
C5
C6
C10
C11
C12
C9
a b
a b
a b
a b c
m
c
gv gv
c m m c
b
230V
Pump 1
Pump 2
F
4
5
6
7
8
9
11
3
10
b
m
2
P1
P2
m
gv
c
m
c
temperature
system
v
C13
a b
gv
N
1 2 1 3
L
N
230AC
boiler board connection
BUS
Fig. 8