Glow-worm Smart Wiring Center 2 Installation And Servicing page 8

INTRODUCTION
3.2.3 Monozone mode : Open vent or system boiler with DHW cylinder, 3-Port Valve
2
DHW cylinder with NTC
230V~
2
4
16A
Key
1 climapro room thermostat
2 system boiler
3 3-port valve
4 electrical supply
5 smart Wiring center 2 control unit
6 bypass necessary with open vent boilers
7 Domestic hot water cylinder
8 nTc (not supplied)
9 cylinder thermostat
10 Heating circuit
EN
11 Overheating safety (if underfloor heating)
a boiler circuit return
B Boiler circuit flow
c cold water supply
D Domestic hot water outlet
- 6 -
1
5
D
7
EBUS
4
A
6
B
5
ON OFF
DHW DHW
CYL. CH1
BUS
CH2
+ -
1
L N L L
3
BUS
2
16A
EBUS
8
9
C
4
1m min.
NTC
2 1
9
4
BUS
1
∙ Connect the live wire (white or brown) of the valve to the "L" of
the CH1 connector.
∙ Connect the earth wire (yellow/green) of the valve to the earth
of the DWH ON connector.
∙ Connect the neutral wire (blue) of the valve to the "N" of the
DWH ON connector.
∙ Connect the live wire (orange) of the valve to the "L" of the
DWH ON connector.
∙ Connect the live wire (grey) of the valve to the "L" of the DWH
OFF CH2.
1
11
DHW cylinder with thermostat
5
ON OFF
DHW DHW
CYL. CH1
230V~
CH2
2 1
L N L L
16A
3
9
BUS
16A
3-port valve electrical connections:
0020140826_00 - 08/12 - Glow-worm
10
BUS NTC
+ - 2 1
BUS
1
2