K4
Changes in models reserved.
Dimensions not binding!
Installation
Boiler Wiring Diagram (Low Voltage)
Servicing
36
Fig. №. 22
Boiler wiring diagram (low voltage)
bk
bl
ac
k
bu
bl
ue
bn
br
ow
n
gny
e
gr
een
-y
el
low
LE
G
END:
A1
CO
NT
RO
L
BO
ARD
W
IT
H
LCD S
CRE
EN
IOP
IG
NI
TI
O
N
AND I
O
N
IZ
AT
IO
N
EL
ECT
RO
DE
M
V1
FA
N
Q
1
PUM
P
Y100
G
AS
VA
LVE
Y3
THRE
E-
W
AY V
AL
VE
X60
M
V1 f
an
pow
er
c
onnec
tor
X61
Q
1
pum
p pow
er
c
onnec
tor
X101
Eur
o
conne
ct
or
–
the
boi
ler
pow
er
s
uppl
y
X110
bondi
ng c
onnec
tor
43