12
4.5 S-plan wiring layout
OSO Slimline cylinders can be fitted with all types
of boilers. Standard boilers operate using room
and cylinder thermostats. Please follow upper
diagram: ‘Wiring for Standard Boiler’.
1 2
E
2
3
1
T6360B
B1
Br
G
O
G/Y
3
5
7
3
4
N
L
E
N
L
E
N
L
ST6400
Boiler
Pump
3
2
1
3
2
3
2
2
2
3
1
V4043H
Zone Valve (DHW)
(supplied)
Thermal Cut Out/Thermostat
(supplied)
Isolated Mains
Supply From
Fused Spur
L N E
Zone Valve (Htg)
(not supplied)
Room
thermostat
6
9
B1
Br
G
O
G/Y
2
3
1
V4043H
4
8
10
RESET
RE
SET
M2
1
2
3
4
RESET
RE
SET
M2
1
2
3
4
1 2
E
2
3
1
T6360B
B1
Br
G
O
G/Y
3
5
7
3
4
N
L
E
N
L
E
N
L
ST6400
Boiler
Pump
3
2
1
3
2
3
2
2
2
3
1
V4043H
Room
thermostat
Zone Valve (DHW)
(supplied)
Thermal Cut Out/Thermostat
(supplied)
Isolated Mains
Supply From
Fused Spur
L N E
Zone Valve (Htg)
(not supplied)
6
9
B1
Br
G
O
G/Y
2
3
1
V4043H
4
8
10
Both wiring plans shown is based on the use
of a 10-way Junction Box (Honey-well Part no.
42002116-001). Junction Box terminal 8 is switched
live and, if needed, terminal 10 is pump live.
Wiring for standard boiler
Wiring for thermistor controlled boiler
Spare parts, see pt. 4.4
Piping diagram, see pt. 2.8
Spare parts, see pt. 4.4
Piping diagram, see pt. 2.8