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Wiring Diagram
Touch Duo with 2 Heating Zone Valves
Zone 2 Probe
Neutral
Live
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Heating Valve
Zone 1
P/L
L
N
To Boiler S/L
-
L
RT1
N
Z2 Room
230VAC
Sensor
Touch Duo
Model: Touch Duo
TouchScreen Series
Heating Valve
Zone 2
P/L
To Boiler S/L
A1 A2
B1
B2
ZONE 1
ZONE 2
L
N
Supply In
85-230V AC
Max Load 3 Amps
P/L = Permanent Live
S/L = Switched Live
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