– 21 –REQUIREMENT• For power supply wiring, strictly conform to the Local Regulation in each country.• For wiring of power supply of the outdoor units, follow the Installation Manual of each outdoor unit.• Perform the electric wiring so that it does not come to contact with the high-temperature part of the pipe.The coating may melt resulting in an accident.• After connecting wires to the terminal blocks, provide a trap and fix wires with the cord clamp.• Run the refrigerant piping line and control wiring line in the same line.• Do not turn on the power of the hot water module until vacuuming of the refrigerant pipes completes. Power supply wire and communication wires specificationsPower supply wire and communication wires are procured locally.For the power supply specifications, follow to the table below. If capacity is little, it is dangerous because overheator burnout may be caused.For specifications of the power capacity of the outdoor unit and the power supply wires, refer to the InstallationManual attached to the outdoor unit.Hot water module power supply• For the power supply of the hot water module, prepare the exclusive power supply separated from that of theoutdoor unit and other indoor units.• Arrange the power supply, circuit breaker, and main switch of the hot water module connected to the sameoutdoor unit so that they are commonly used.• Power supply wire specification: Cable 3-core, in conformity with 60245 IEC 57.▼ Power supplyControl wiring, Central controller wiring• 2-core with non-polarity wires are used for the Control wiring between indoor unit (including hot water module)and outdoor unit and Central controller wiring.• To prevent noise trouble, use 2-core shield wire.• The length of the communication line means the total length of the inter-unit wire length between indoor(including hot water module) and outdoor units added with the central control system wire length.▼ Communication lineRemote controller wiring• 2-core with non-polarity wire is used for wiring of the remote controller wiring and group remote controllers wiring.Output signal function wiring• To prevent noise trouble, use 2-core shield wire.Power supply 220 V – 240 V ~, 50 HzMaximum running current 17.5 ARecommended field fuse 25 AControl wiring between indoor units(including hot water module), andoutdoor unit (2-core shield wire) Wire size (Up to 1000 m) 1.25 mm²(Up to 2000 m) 2.0 mm²Central control line wiring (2-core shieldwire)Remote controller wiring, remote controller inter-unit wiring Wire size: 0.5 mm² to 2.0 mm²Connecting to SHRM-eTotal wire length between indoor unit and Flow selector unit (L2+L3) Up to 200 mTotal wire length between remote controller and Flow selector unit (L1+L2+L3) Up to 300 mMaximum wire length of remote controller (L1) Up to 300 mOutput function wiring (2-core shield wire) Wire size (up to 2 m) 0.5 mm²41-EN 42-EN