Installation Instructions

Sundial or system valves
S Plan: 2 two-port valves with a wired boiler
230V
50Hz
3A RATED
V4043H
ZONE VALVE
HTG
BLUE
G/YELLOW
G/YELLOW
GREY
GREY
BLUE
BROWN
BROWN
ORANGE ORANGE
N
N
BOILER
E
E
L
L
MOTORMOTOR
PUMP
V4043H
ZONE VALVE
HW
L N E
1 2 3 4 5 6 7 8 9 10
HTG DHW
N A B
L
RECEIVER
BDR91
N A B
L
RECEIVER
BDR91
Figure 9 Two port valves
with a wired boiler. If a
wireless boiler relay is
used the Grey, Orange
wire and feed to pump and
boiler are not required.
Wiring diagrams continued
46 Appendix