1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
L
N
E
N
L
N
E
L
N
E
L
N
E
2
3
1
2
3
1
2
3
1
2
3
E
E
E
2
2
1
C
C
SL
Br
Bl
G
O
G/Y
Br
Bl
G
O
G/Y
H
TG
1 ON
DHW ON
DHW OFF
11
11
12
12
1
2
3
Br
Bl
G
O
G/Y
N
1
2
3
E
H
TG
2 ON
12
TYPICAL WIRING - S PLAN, TWIN ZONE
COLOUR CODES
W = WHITE G = GREEN Bl = BLUE G/Y = GREEN/YELLOW Br = BROWN
L = LIVE N = NEUTRAL C = COMMON SL = SWITCH LIVE E = EARTH
10
DU
AL C
YLINDER ST
AT
2-POR
T
VAL
VE (DHW
)
WIRING CENTRE
ROOM ST
AT
PR
OGR
A
MMER
BOILER
PUMP
2-POR
T
VAL
VE (HEA
TING 2)
2-POR
T
VAL
VE (HEA
TING 1)
ROOM ST
AT
