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External connections Greensource heat pump
Power supply:
Connect to terminals L1, N and PE.
CANbus:
Communication cable between the heat pump and HWDU. Connect
to terminals GND, CANL, CANH and 12V. See more under section
CANbus.
External connections
Warning
Do not mix up the 12V and CAN-
bus connections! If 12V (or other
incorrect voltage) is supplied to the
CANbus contacts the processors in the
CANbus are destroyed.
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