INSTALLATION
6 720 648 726 (2011/07)
31
8.5.1
ELECTRICAL WIRING DIAGRAM
Fig. 37 Electrical wiring diagram
WARNING:
B
Do NOT directly connect a 230 V thermostat to this boiler! Use the grey 230V connection box (supplied
with GB162-65).
Earth
Ionisation
Pressure
sensor
Return sensor
Safety-temperature sensor
Flow sensor
81-pole connector
Pin 81
Pin 1
Pin 1
Pin 16
16-pole connector
16-pole connector
(A
C 120
V and A
C
230
V)
81-pole connector
(A
C 0, 10, 24 and 230
V)
Connection
for pump in
connection kit
(accessor
y
)
Fa
n
Gas v
alv
e
T
ransf
o
rmer
Glo
w
ignitor
UBA 3.0 mounting base
230 V
A
C
function modules
230 V
A
C
function modules
Ear
th
Mains s
witch
Mains connection
230 V
A
C
50Hz,
max.
per
missib
le:
10 A
Outdoor-temper
ature
sensor
On/Off temper
ature
controller
,potential free
DHW sensor
Exter
nal s
witch contact
potential free
, e
.g.
for floor heating
Exter
nal three-w
a
y v
a
lv
e
Switch contact
External connection for professional use
Exter
nal heating
pump 230
V
A
C
max.
250
W
DHW pump
230
V
A
C max.
250
W
DHW circulation pump
230
V
A
C max.
250
W
green
gray
lilac
white
green
gray
red turquoise
orange
blue
FUSE 5 slo
w
b
lo
w
sand filled
Room controller RC
and EMS b
u
s
Connector f
or
BC10 basic controller
B
US
function modules
b)
The 230 Volt converter is only applicable for Logamax plus GB162-65
a)
Connection to the external pump is only possible if no internal pump
has been integrated in the connection kit.
Volt free
external control
device
external
230V controls
2
1
b)
a)
230 Volt converter
IM
P
O
R
T
A
N
T
Th
e wi
re
s
in
th
is
mai
n
s
le
ad ar
e
colou
re
d
in
accor
d
anc
e
w
ith
the
f
o
llo
wi
ng
cod
e
:
G
R
E
E
N
AN
D YE
LLO
W
- EARTH ;
BL
UE -
N
E
UTRAL ; B
R
OWN
- LIV
E
As
the
col
o
ur
s of
the
wi
re
s i
n
the
mai
n
s
le
ad
of
of
the
app
lianc
e m
a
y not
corr
esp
o
nd
wi
th
the
col
o
ure
d
mark
in
gs
i
d
e
n
ti
fyi
n
g
th
e
te
rmi
n
al
s
in
your
c
o
nne
ctor
pr
ocee
d
as
fol
lo
ws:
Th
e wi
re
col
o
u
re
d
gr
een
and
yel
lo
w m
u
st b
e
conn
ecte
d
to
the
ter
m
in
al on the conne
ctor mark
ed
wi
th the l
e
tter
E
or
b
y
th
e
e
a
rt
h
symb
ol
or
col
o
ur
ed
g
ree
n or
g
re
en-and
-yel
lo
w.
Th
e
wir
e
col
o
ure
d
br
own
m
u
st
be
conn
ecte
d
to
the
ter
m
in
al
mar
ked
w
ith
the
l
e
tter
L
or
col
o
ur
ed
r
e
d.
The
wi
re
c
o
lo
ur
ed
b
lue
must
be
conn
ecte
d
to the
ter
mi
nal
mar
ke
d
with
the
l
e
tte
r
N
or
c
o
lou
red
b
lac
k.
WA
RN
IN
G
THIS
APPL
IANC
E MUS
T
BE EAR
T
HE
D
E
n
s
u
re
th
at your
app
lianc
e is conn
ecte
d
corr
ec
tly -
if
you ar
e in
any doub
t
c
o
nsul
t a qu
al
if
ie
d
e
lectr
ici
an
.
For
l
o
cati
on of
i
n
d
iv
id
u
al
comp
one
n
ts,
see
se
rvi
c
e
se
cti
o
n
and
th
e e
xpl
ode
d
vie
ws i
n
thi
s
manual
.
