Hisense AUD-18HX4SUNL Service Manual page 40

4.REFRIGERANT FLOW DIAGRAM
designation H05RN-F) or ordinary polychloroprene sheathed flexible
cord (code designation H05RN-F) .
3) Use a shielded cable for the transmitting circuit and connect it to ground .
4) In the case that power cables are connected in series, add each unit
maximum current and select wires below.
* in the case that current exceeds 63A, do not connect cables in series.
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