14 English8-3 WIRING EXAMPLE• Fit the power supply wiring of each unit with a switch and fuse as shown in the drawing.COMPLETE SYSTEM EXAMPLE (3 systems)1. When using 1 remote controller for 1 indoor unit. (Normal operation)Group control is not possible between ceiling suspended cassette type units and normal VRV indoor units.Power supply wiringTransmission wiringSwitchFusePower supplyMain switchRemote controllerBEV unitIndoor unitBS unit(Only for Heatrecoverysystem)Fig. 17L N1 2TO indoor TO indoor TO indoor3 F 1 F 2L N1 2 3 P 1 P 2P 1 P 2L N1 2 3 F 1 F 2L NP 1 P 2P 1 P 2L N1 2 3 F 1 F 2L NP 1 P 2P 1 P 2L NT1 T 2P 1 P 2 F 1 F 2L NP 1 P 2IN/D OUT/DF 1 F 2 F 1 F 2Control boxOutdoor unitBEV Unit AIndoor Unit A Indoor Unit B Indoor Unit C Normal VRVIndoor UnitBEV Unit B BEV Unit CMaximum one indoor unitfor each BEV unit.Remote controllerRemote controllerRemote controller Remote controllerWhen calculating the limit of connectedindoor units, count all the lower BEV unitsas one unit.If the remote controller does not have a cooling/heatingselection right, “operation switch is being managed” willbe displayed. Fig. 181 2 3 1 2 3Power supply220-240V50Hzor220V60HzPower supply220-240V50Hzor220V60HzPower supply220-240V50Hzor220V60HzPower supply220-240V50Hzor220V60Hz