Carrier 53KHET 12 Installation Manual

45CONNECTING ELECTRICAL WIRING (Cont.)18-6 FILED ELECTRICAL WIRING (Cont.)18-6-3 FIELD ELECTRICAL WIRING SIZE 24KOF COOL ONLY AND HEAT PUMP SYSTEMSLEGENDEarthL Live power supply.N Neutral power supply.1 Live connection indoor unit / outdoor unit.2 Neutral connection indoor unit / outdoor unitS Communication connection indoor unit / outdoor unitsSizes of electrical wiresL N 1 2 S4 mm 2 4 mm 2 1 mm 2 1 mm 2 1 mm 2NOTES(1) Connect the power supply to the outdoor unit and then getthe power required for the indoor unit from the outdoor unit.(2) All dotted lines to be fitted by installer.(3) Refer to wiring diagrams and stickers-caution sticked inside the outdoor & indoor units.220V ~ 50HzCircuit BreakerMain SwitchIndoor Units42KHET24-708F42QHET24-708FOutdoor Units38KHET24-70838QHET24-708