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Toshiba RUAGP Series Original Owner's Manual
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- 63 -2. Cooling only(Note 1) The above figure is a refrigerant piping system diagram for inverter pump-integrated machine.The piping system of pumpless models lacks of the pump and check valve seen in this diagram.Outdoor air temperature OAT Inlet pump water pressure PSW(S) High pressure sensor DGP* High-pressure switch 63H*Inlet water temperature ET Inlet water heat exchanger water pressure PSW(E) Low-pressure sensor SGP*Middle water temperature MT Outlet water heat exchanger water pressure PSW(L) Discharge gas temperature sensor DGT*Outlet water temperature LT Suction gas temperature sensor SGT** indicates circuit name (A, B, C, D).(*) Water drain valves for freeze preventionAir heat exchangerAir heat exchangerAir heat exchangerAccumulatorAir heat exchangerElectricexpansion valveTCircuit A Circuit BDGTAServiceportServiceportServiceportPDGPAPSGPAServiceportSGTATSolenoid valve63HATDGTBPDGPBAccumulatorPSGPBSGTBT63HBTOATAir heat exchangerAir heat exchangerElectricexpansion valveElectricexpansion valveServiceport Air heat exchangerAir heat exchangerServiceportTDGTDPDGPDAccumulatorPSGPDSGTDT63HDAccumulatorT DGTCServiceportPDGPCPSGPCSGTCTSolenoid valve63HCWater heatexchangerWater heatexchangerCircuit DCircuit CAir ventvalveTMTWaterdrainage port(*)Waterdrainage port(*)TPLTPSW(L)CheckvalveAir ventvalveTPETPSW(E)PumpStrainerChilledwaterinletChilledwateroutletCoolingoperationRefrigerant piping system diagramServiceportServiceportServiceportServiceportServiceportServiceportCompressorCompressorSolenoid valveCompressorCompressorSolenoid valveElectricexpansion valveElectricexpansion valveElectricexpansion valveCheck valveSolenoidvalveSolenoidvalveCheck valveElectricexpansion valveElectricexpansion valveElectricexpansion valveElectricexpansion valveCheck valveSolenoidvalveElectricexpansion valveCheck valveSolenoidvalveElectricexpansion valvePPSW(S) |
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