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Wiring Example: Y Plan
CYLINDER STAT
N
L
1
2
Fused Main
Supply
1
2
CH2-ON CH1-ON
PROGRAMMER
Wiring Diagram
This product requires a fused permanent Live and Neutral
supply.
As shown in the wiring examples, the NC (normally closed)
terminal is only used in Y Plan systems with a Mid Position
3 Port Zone Valve, or when the installation is using Weather
Compensation.
12
HW-ON
HWS
COM
N/C
4
3
GREY
3
4
HW-ON
1.0-2.5mm
2
6mm MAX
HWS
N/O
5
ORANGE
WHITE
3 PORT MID POSITION
5
L
N
N
L
BLUE
Common
Hot Water
ON (N/O)
Hot Water
OFF (N/C)
GREEN/
YELLOW