8 Technical dataInstallation and operation manual12FCAHG71~140FVEBSplit system air conditioners4P429472-1 – 2015.128 Technical dataLatest information can be found in the technical engineering data.8.1 Piping diagram: Indoor unitbacda Liquid pipe connectionb Gas pipe connectionc Filterd Heat exchanger8.2 Wiring diagram: Indoor unitThe wiring diagram is delivered with the unit, located at the inside ofthe service cover.Notes:1 In case using central remote controller, connect it to the unitin accordance with the attached installation manual.2 In case of main/sub changeover. See the installation manualattached to remote controller.3 Shows only in case of protected pipes. Use H07RN in case ofno protection.4 When connecting the input wires from outside, forced off oron/off control operation can be selected by the remotecontroller. See installation manual for more details.5 Connect power of adapter for wiring to terminal block (X2M)of indoor unit directly.6 X35A, X39A, X70A are connected when the optionalaccessories are being used. In case an auto cleaning panel isused, see the its wiring diagram.Symbols:X1M Main terminalEarth wiring15Wire number 15Field wireField cable**/12.2Connection ** continues on page 12 column 21Several wiring possibilitiesOptionNot mounted in switch boxWiring depending on modelPCBColours:BLK BlackWHT WhiteRED RedLegend:A1P Main PCBA2P Adapter PCBA3P, A4P * Sensor kit PCBA5P, A6P Receiver/display PCBA7P * Adapter for wiringBS1 (A6P) Push button (ON/Off)C105 (A1P) CapacitorDS1 (A1P) DIP switchF1U (A7P) Fuse B, 5 A 250 VF2U (A7P) Fuse B, 5 A 250 VHAP (A1P) Running LED (service monitor – green)H1P (A6P) LED (On – red)H2P (A6P) LED (timer – green)H3P (A6P) LED (filter sign – red)H4P (A6P) LED (defrost – orange)H5P (A6P) LED (element cleaning – red)H6P (A6P) LED (ventilation cleaning – green)KCR (A7P) Magnetic relayKFR (A7P) Magnetic relayKHuR (A7P) Magnetic relay (Hu)K2R Magnetic relayM1F Fan motor (indoor)M1P Motor (drain pump)M*S Motor (swing flap)PS (A1P) Power supplyR1T Thermistor (air)R2T Thermistor (liquid piping)R3T Thermistor (coil)RC (A1P) Signal receiver circuitSS1 (A5P) Selector switch (emergency)SS2 (A5P) Selector switch (wireless address set)S1L Float switchTC (A1P) Signal transmission circuitV1R (A1P) Diode moduleX1A (A7P) Connector (power supply for option PCB)X2A (A7P) PCB connector (sensor kit)X24A (A1P) PCB connector (wireless remote controller)