Glow-worm SS 115 - Page 14

Control options – system wiring scheme
IMPORTANT: 1-10 must go to the corresponding number in the
wiring centre.
4 Installation
2x2 PORT VALVE SYSTEM
12558
1
N
2
L
not used
External wiring box
(Do not use pre-wired printed circuit board type)
E N L4EE N L
7 10
4 N E
L N
E 49N L
E 410N L
7 6
6 9N
Room Thermostat
Boiler TerminalMain Supply
3 Amp Fused
L N
3 4 5 6 7 8 9 10
SL
1 2 3
Central Heating 2 Port
Motorised Valve
Hot Water 2 Port
Motorised Valve
Cylinder Stat
E BL BR GR OR
L N
Pump
E BL BR GR OR
LN
HW
ON
CH
ON
2 Channel Programmer
LN
L in L outN
BR Brown
BL Blue
GR Grey
OR Orange
W White
HW Hot Water
CH Central Heating
Diagram 4.9
14