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    Cable / Breaker sizing for Air Source Heat Pump

    Hi, I need to connect an air source heat pump outside. The rating plate lists the following info: Voltage: 220V 1ph Load: 2kW Running Current: 9.5A Breaker Size: 20A Cable Dia: 4mm2 Now, knowing it was a 2kW unit, I cabled in 2.5mm SWA from the house to the install location...
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