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5.3 Wiring for a two-port zone valve.
For use with a boiler that requires a permanent live.
Please check manufacturer's instructions.
230V
50-60Hz
<5A
L
N
BDR91
N L L
A B C
G/Y
BL BR
M
A-B:5(3)A
A-C:5(3)A
GR O
V4043H
G/Y: Green/Yellow
Earth wire
BL: Blue Motor Neutral
BR: Brown Motor Live
GR: Grey End
switch (if used)
Permanent Live
O:
Orange End
switch (If used).
In wired system
this typically
feeds the boiler.
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