Refrigerant Flow for Each Operation Mode SiEBE18-52650 Refrigerant Circuit3.3 Cooling Oil Return OperationEV H : Full closeEV C : 56 plsEVB : SH controlEVHEVCEVBEVAEVHEVAEVBEVHEVAEVBMMMMMMM(Q0408)EVA : 56 pls EV H : SH controlEVB : 56 plsEV H : Full closeEVB : 56 plsEVA : SH controlEVA : SH control: High pressure liquid refrigerant: High pressure high temp. gas refrigerant: Low pressure low temp. liquid or gas refrigerantEV1 2000 plsEV2 SH controlSVP ONSVG OFFBP UNITELECTRONICEXPANSION VALVE(BYPASS) ELECTRONICEXPANSION VALVE(ROOM A)ELECTRONICEXPANSION VALVE(ROOM B)FILTERFILTERFILTERGAS SIDETHERMISTOR(DGA)GAS SIDETHERMISTOR(DGB)LIQUID SIDETHERMISTOR(DLB)LIQUID SIDETHERMISTOR(DLA)FILTERELECTRONICEXPANSION VALVE(ROOM A)ELECTRONICEXPANSION VALVE(ROOM B)FILTERFILTERFILTERFILTERGAS SIDETHERMISTOR(DGA)GAS SIDETHERMISTOR(DGB)ELECTRONICEXPANSION VALVE(BYPASS)LIQUID SIDETHERMISTOR(DLB)LIQUID SIDETHERMISTOR(DLA)ELECTRONICEXPANSION VALVE(BYPASS)FILTERFILTERFILTERFILTERELECTRONICEXPANSION VALVE(ROOM A)ELECTRONICEXPANSION VALVE(ROOM B)ELECTRONICEXPANSION VALVE(ROOM C)FILTERGAS SIDETHERMISTOR(DGA)GAS SIDETHERMISTOR(DGB)GAS SIDETHERMISTOR(DGC)LIQUID SIDETHERMISTOR(DLA)LIQUID SIDETHERMISTOR(DLB)LIQUID SIDETHERMISTOR(DLC)SPSPHPSSV PSV GEV1EV2MMRECEIVERHEATHEATEXCHANGERTHERMISTORTHERMISTORHEATHEATEXCHANGERTHERMISTORTHERMISTORHEATHEATEXCHANGERTHERMISTORTHERMISTORHEATHEATEXCHANGERTHERMISTORTHERMISTORHEATHEATEXCHANGERTHERMISTORTHERMISTORHEATHEATEXCHANGERTHERMISTORTHERMISTORHEATHEATEXCHANGERTHERMISTORTHERMISTOROUTDOOR UNITCOMPRESSOROUTDOOR AIRTHERMISTORDC FANMOTORPROPELLERFANDC FANMOTORLIQUID SEAL PROTECTIONCHECK VALVEHEAT EXCHANGERTHERMISTORDISCHARGEPIPETHERMISTORHIGH PRESSURESWITCHELECTRONICEXPANSION VALVEDISTRIBUTORFILTERCHECKVALVECHECKVALVECHECKVALVECHECKVALVEELECTRONICEXPANSION VALVEDOUBLE PIPEHEAT EXCHANGER FILTERHEATEXCHANGER PIPEFILTERSUBCOOLINGHEAT EXCHANGERTHERMISTORFILTER4-WAY VALVEHIGH PRESSURESENSORFILTERGAS LINESTOP VALVELIQUID LINESTOP VALVEOILSEPARATORCAPILLARY TUBESUCTION PIPETHERMISTORLOW PRESSURESENSOR"ON""OFF""OFF"FIELD PIPINGFIELD PIPINGFIELD PIPINGFIELD PIPINGFIELD PIPINGFIELD PIPINGSIRROCO FANFAN MOTORSIRROCO FANFAN MOTORSIRROCO FANFAN MOTORHEAT EXCHANGERHEAT EXCHANGERHEAT EXCHANGERHEATEXCHANGERTHERMISTORHEATEXCHANGERTHERMISTORHEATEXCHANGERTHERMISTOR"OFF"FIELD PIPING SIRROCO FANFAN MOTORHEAT EXCHANGERHEATEXCHANGERTHERMISTOR"ON""ON""OFF"FIELD PIPINGFIELD PIPINGFIELD PIPINGFIELD PIPINGFIELD PIPINGFIELD PIPINGFIELD PIPINGSIRROCO FANFAN MOTORSIRROCO FANFAN MOTORSIRROCO FANFAN MOTORHEAT EXCHANGERHEAT EXCHANGERHEAT EXCHANGERHEATEXCHANGERTHERMISTORHEATEXCHANGERTHERMISTORHEATEXCHANGERTHERMISTOR