Fig. 4b. System schematic for Solar 3C Heating System with Towel Rail
L N
230V
50Hz
3A RATED
2 PORT
ZONE VALVE
HTG
V4043H
ZONE VALVE
HW
E
MOTOR
GREY
BROW
N
ORANG
E
BLUE
G/YELLO
W
CYLINDER
STAT.
MOTOR
BOILER
E
N
L
PUMP
1
2
3
4
5
6
7
8
9
10
L
N
HWHTG
L
N
HWHTG
L
E
N
1
ROOM STAT.
3
NOTE:
1. We recommend a 10 way junction box
or Sundial Wiring Centre is used.
2. If using the V4043H1080 (1” BSP) or
V4043H1106 (28mm), the white wire
must be electrically isolated.
Pump overrun
BOILER
E
N
L
PUMP
7
8
9
10
L
PL
SL
E
N
N
1
C
BLUE
BROW
N
G/
Y
ORANG
E
GREY
Solar 3C
Control
Panel
See Section B for full wiring instructions for the Solar 3C Control Panel
MOTOR
BROWN
BLUE
G/Y
3 PORT
DIVERTER
VALVE
Solar 3C Jig
Towel Rail
Space
Heating
Radiators
Diverter
valve
Boiler
Solar 3C
Cylinder
Check
valve
For illustration purposes only.
12
Summary of Contents for 3C382B
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