WarmFlow DI110UV - Page 28

Page 26 of 34
6.11.7 System controls
Figure 10: S-plan system wiring
Figure 11: Y-plan system wiring
N
N
N
2
E
E
E
E
L
L
L
X
Y
1
3
L
G
N
E
3
2
B
E
O
N
G
L
E
O
Pump
Boiler
Programmer
Room
Thermos
tat
Heating Zone Valve
Cylinder
Thermos
tat
HW Zone Valve
5 Amp Fused
Spur Isolator
Live (L)
Neutral (
N)
Earth (
E)
Heating On (
X)
Hot Water On (Y)
L N E
N
N
N
N
N
N
N
L
G
N
E
3
2
B
E
O
N
G
W
E
O
N
N
N
2
E
E
E
E
L
L
L
X
Y
1
3
Z
Room
Thermos
tat
Programmer
Boiler
Pump
HW Zone Valve
Cylinder
Thermos
tat
Mid-position Valve
5 Amp Fused
Spur Isolator
Live (L)
Neutral (
N)
Earth (
E)
Heating On (
X)
Hot Water On (
Y)
Hot Water Off (
Z)
L N E
N
N
N
N
N
N
N