Multi air conditioner systemMulti air conditioner systems save space byletting you connect multiple indoor units to asingle outdoor unit.• For complete product features, please refercatalogue.Indoor units• It is possible to operate the indoor unitsindividually or simultaneously. The priorityof operation is placed on the first unit thatturned on.• During operation, HEAT and COOL modescannot activate at the same time for differentindoor units.• The power indicator blinks to indicate theindoor unit is standing by for a differentoperation mode.• For system which HEAT mode has beenlocked, if operation mode other than HEATis selected, the indoor unit stops and thePOWER indicator blinks.Indoor unitsOutdoor unit(CU-3E18PBE, CU-4E23PBE, CU-4E27PBE,CU-5E34PBE, CU-2E12SBE, CU-2E15SBE,CU-2E18SBE, CU-3E23SBE)2Provide maximum comfort,clean air and optimise energy savingECONAVI + INVERTER The Perfect Energy Saving TechnologyECONAVI detects where energy is normally wasted and adjusts cooling/heating power depending onroom conditions and activity levels. Then, INVERTER leverages ECONAVI sensor data and variescompressor rotation speed. This helps to optimize cooling/heating operation and reduces wastefulcooling/heating.See “To learn more...” for details.nanoe For a freshness and cleaner environmentnanoe generates negative ions using the air in the room to give a healthy air.It also provides moisturizing effect on the skin or hair and reduces the smell in the room and constrainspropagations of mold and bacteria.