28
Installation and servicing instructions for wall-mounted condensing gas boiler Buderus 600 - 11R/19R/24R • 02/2006
Buderus • http://www.buderus-domestic.co.uk
Subject to modifications resulting from technical improvements!
Installation
1
1.8.2 Wiring Diagram
Glow ignitor
12
1
2
12
3
4
2
3
M
N
L
Burner-control unit (UBA)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
MV
PA
FR
FS
FK
Ionisation
Note:
KIM
STB
Flue gas monitor
FR
Return-temperature sensor (return)
FS
Safety-temperature sensor (safety)
FK
Supply-temperature sensor (supply)
KIM
Boiler identification module
MV
Gas valve
1)
Only one room-temperature regulating
device may be connected.
1
STB
20-pin connection str
ip
18-pin connection str
ip
Fuse, main switch, emergency OFF switches and
safety measures to comply with local regulations and standards
Fan
1.25 Ampere slow blow
MAINS
SWITCH
MAINS
230V
~
50 Hz
2
1
2
1
1
2
1
2
e
xter
nal
230V controls
V
olt free e
xter
nal
control de
vice
*) remo
v
e wirebr
idge
when used
V
olt free room
ther
mostat
when used with
230V timer *)
1)
1)
1)
IMP
O
RTANT
Th
e
w
ire
s
in
this ma
in
s lea
d a
re
co
lo
ur
ed
in a
ccord
an
ce
w
ith the
fo
llo
win
g co
de
:
GRE
E
N
AND YE
LLOW - E
ARTH ;
B
L
UE - NE
UTRA
L
; BROWN - LIV
E
As th
e
colou
rs
of t
he
wi
re
s in th
e
ma
in
s lea
d o
f o
f th
e a
pp
lia
nce
m
ay n
ot
cor
re
spo
nd
with t
he
colou
re
d
ma
rkin
gs id
ent
ifying
the
te
rm
in
al
s in
y
ou
r c
onn
ec
to
r pr
oc
ee
d as
fo
llows
:
The
wi
re
col
ou
red
gr
ee
n a
nd
yel
lo
w
m
ust
be
con
ne
cted
to
th
e te
rm
in
al
on
th
e co
nn
ecto
r
ma
rk
ed
wi
th
th
e l
ette
r E
or
b
y th
e e
ar
th
sym
bol
o
r
col
ou
re
d g
reen
or
g
reen
-and
-y
el
lo
w
. Th
e w
ire co
lo
ur
ed
b
ro
w
n m
us
t be
con
ne
cted
to
th
e te
rm
in
al
m
ar
ked
w
ith
th
e le
tte
r L
o
r c
olou
re
d r
ed. Th
e wir
e co
lou
re
d b
lue
mu
st b
e co
nn
ecte
d t
o th
e
ter
m
in
al m
ar
ke
d with
the
let
ter
N o
r
colou
re
d b
lack.
W
ARNING
TH
IS
AP
PLIANC
E MU
ST BE
EAR
T
HE
D
Ensure
that your
applia
nce
is
connec
te
d
cor
rec
tl
y
-
if y
o
u
are
in a
n
y doubt cons
ult
a qua
lified
ele
c
tric
ian.
For loca
tion of indivi
dual c
o
mponents,
see
s
e
rv
ice
se
ction a
n
d
th
e
ex
ploded v
iew
s in
th
is
ma
nual.