21
S PLAN WIRING DIAGRAM USING MULTI TIMER FOR ALL CENTRAL HEATING ZONES  Fig. 27
EARTH
MAINS
EARTH POST
NEUTRAL
LIVE
FLUE FAN
INTERSTAT
PUMP L
PUMP N
NEUTRAL
HEATING Timer
DHW Timer
NO DHW Timer
Boiler Run
Brandon
TERMINALS
WIRING
CENTRE
PERMANENT
(FUSED) LIVE
BROWN
BROWN
GREY
GREY
GREY
GREY
BLUE
BLUE
GREY
BLUE
BROWN
BROWN
ORANGE
Note: 
It is essential that the interstat can bring on one of the motorised valves 
directly as shown, failure to observe this will result in nuisance lockout.
Please Note:
EARTHS  NOT  SHOWN  FOR  CLARITY
CONNECT  EARTHS  IN  ACCORDANCE
WITH REGULATIONS!
BROWN
T6360B
Room Stat
T6360B
Room Stat
T6360B
Room Stat
L641A
Cyl. Stat
Motorised Valve 
Domestic Hot Water
Motorised Valve 
Wet Heating ZONE 1
Motorised Valve 
Wet Heating ZONE 2
Motorised Valve 
Wet Heating ZONE 3
If  wires  are  a  different  colour
code,  please  refer  to  the
manufacturers instructions.
1
2
4
5
6
7
8
9
10
1
1
12
13
3