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X7
DHW valve
X8
Heat pump on/off
X9
Boiler on / off
A1
Heat pump 0 – 20mA control
C2
RF Receiver
C3
Heat pump communications signal
Outputs from system controller – Configuration 3.2
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230 Volts
230 Volts
230 Volts
Danger, power
supplied from
external source.
Isolate elsewhere
Extra low voltage
Extra Low voltage
Extra Low voltage
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