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Page 19
iNSTALLATiON
iNST
ALL
A
Ti
ON
1
9
8
7
6
5
4
3
2
10
11
12
N
L
1
2
3
4
OFF
ON
OFF
ON
HW
CH
1
2
3
4
R
o
om
Ther
mosta
t
C
en
tr
al H
ea
ting C
on
tr
ol
C
1
2
C
1
D
ual A
qau S
ta
t
O
ver
hea
t S
ta
t
C
on
tr
ol S
ta
t
L
N
E
M
ains Supply
Fed
V
ia D
ouble
Pole I
sola
tor
230
VA
C ~ 5 A
mps
D
anf
oss
WB12
W
ir
ing
C
entr
e
HT
G
VAL
VE
HW
VAL
VE
Typic
al s
chematic wiring diagram for an unvented installation
(not applicable for the Viessmann 4-pipe system)
The electrical installation must
comply with IEE requirements.
For electrical installation
refer to BS7671
Note: Do not attempt
the electrical work unless
you are competent to carry
out to the above standard
Blue
Bl
Brown
Br
Green
Grey
Green /
Yellow
G
Gr
G/Y
WIRE COLOUR LEGEND
Black
Orange
Yellow
White
Red
B
Or
Y
Wh
R
B
r
B
l
G/Y
B
r
B
r
B
l
G/Y
Or
G
r
5 A
mps
B
r
B
l
G/Y
B
r
B
r
B
*B
r
B
l
G/Y
B
r
B
B
l
B
r
B
r
B
r
B
r
B
l
B
G/Y
G/Y
B
r
*B
r
* B
lue c
or
e used
fr
om standar
d 3 c
or
e
fle
x please ensur
e y
ou
use br
o
wn slee
ving a
t
b
oth t
er
mina
ting ends
t
o iden
tify c
or
e p
ot
en
tial.
3 c
or
e fle
x
4 c
or
e c
able
L
N
L
L_P
SL_B
E
N
N_P
E_P
B
r
B
l
G/Y
B
B
r
B
l
G/Y
B
oiler
Pump
ISSUE No : 3
APPROVED
DRN.
DA
TE
23-09-09
S. Gatora
V4043A
TWO POR
T
ZONE
VAL
VE
A
B
HT
G
B
r
B
l
G/Y
Or
G
r
V4043A
TWO POR
T
ZONE
VAL
VE
A
B
DHW
B
r
B
l
G/Y
Or
G
r
GAS BOILER
Boiler P
ermanen
t Live
Boiler N
eutral
Boiler E
arth
Boiler S
witch Liv
e Demand
Boiler C
ontr
olled Pump
Pr
ovide e
xtr
a c
or
e
from t
er
minal 12 t
o
L-P c
onnec
tion on
the b
oiler (sho
wn
dott
ed) and r
emo
ve
the b
oiler pump link
if the b
oiler has an
indep
endan
t
pump output.
L
N
E
(S-PL
AN)
WIRING DIA
GR
AM
WITH
TWO 2 POR
T
VAL
VES AND BOILER C
ONTR
OLLED PUMP OVERR
UN OPTION
B
r
B
l
G/Y
B
B
r
Or
ELECTR
ONICS
Содержание Vitocell 200 Cylinder
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