S
PLAN
WIRING
DIAGRAM
SHOWING
ZONE
CONTROLLED
BY
UNDERFLOOR
HEA
TING
ZONE
Fig.29
23
EAR
TH
PUMP
M
L641A
Cyl.S
tat
T6360B
Room
S
tat
Motorised
V
alve
WET
HEA
TING
ZONE
1
ZONE
2
UNDERFLOOR
HEA
TING
SYSTEM
&
CONTROL
Motorised
V
alve
Domestic
Hot
W
ater
EAR
TH
POST
MAINS
Brandon
TERMINALS
WIRING
CENTRE
NEUTRAL
LIVE
FLUE
F
AN
INTERST
A
T
PUMP
L
PUMP
N
NEUTRAL
HEA
TING
T
imer
DHW
T
imer
NO
DHW
T
imer
Boiler
Run
PERMANENT
(FUSED)
LIVE
M
Orange
Grey
Grey
Brown
Brown
Brown
Blue
Blue
Grey
Orange
Orange
1
2
4
5
6
7
8
9
10
1
1
12
13
3