Piping DiagramSamsung Electronics 217Heating operationƒ PurposeEnable heating in the entire target space.ƒ Control specifications in detailƒ Refrigerant FlowHeat pump7-3 Functions (cont.)7-3-2-3 Normal operation modes (cont.)7-3-2 Control (cont.)൹൹൹vGoGlGOvoPvGoGlGOvoPvGoGlGOvoPvGoGlGOvoPvGoGlGOvoPvGoGlGOvoPoG{GMGGnoG{GMGGssG{GMGGnsG{GMGGs*'#6(#010൹൹ ൹൹ ൹ ൹ ൹൹൹൹൹൹൹൹൹ ൹Ball Valve -Gas pipe (BV_G)Outdoor Fan Motor 1(OFM1) Outdoor Fan Motor 2(OFM2)Thermistor - Ambient (T_A)Thermistor -Cond Out (T_CO)Heat Exchanger - Main (HX_M)Thermistor - Suction pipe (T_S) Check Valve -EEV Bypass (CV_EB)Electronic ExpansionValve - Main (E_M)IPM Cooler 1(IPMC1)IPM Cooler 2(IPMC2)Heat Exchanger -Intercooler (HX_IC)Thermistor -EVI In (T_EI)Thermistor -Liquid pipe (T_L)ElectronicExpansionValve -EVI (E_EVI)Thermistor -EVI Out (T_EO)Solenoid Valve -EVI Bypass(V_EB)Ball Valve -Liquid pipe (BV_L)Solenoid Valve -Accumulator oil Return (V_AR)Pressure Sensor -Low (PS_L)Solenoid Valve -Hot Gas bypass (V_HG)(V_EVI2)SolenoidValve -EVI 1(V_EVI1)Compressor 1(COMP1) (COMP2)(T_D2)(T_CT2)Thermistor -Dischargepipe 1 (T_D1)(PW_H2)(OS2)(CV_D2)Oil Separator 1(OS1)Pressure Sensor -High (PS_H)Solenoid Valve - 4Way (V_4W)PressureSwitch -High 1(PW_H1)Thermistor -CompressorTop 1(T_CT1)Check Valve -Discharge 1(CV_D1)Accumulator(AC)൹ ൹*'#6(#010*'#6(#0101(((#01((*'#6(#0101(((#01((Actuator Abbrev. - Normal CoolingCompressor COMP Operation Target high pressure control(default : 28kgf/ )Range 14 - 120HzElectronic Expansion Valve– Main (Main EEV) E_M Operation Target SH controlRange 125step ~ 2000stepElectronic Expansion Valve– EVI (EVI EEV) E_EVI Operation Vapor injection controlRange 0-480stepSolenoid Valve - 4way V_4W Operation OnSolenoid Valve – EVI Bypass V_EB Operation On (Open): *T_w > 28ఁ or 50Hz ײOff (Close): T_w < 25ײఁ and 65Hz װSolenoid Valve – EVI V_EVI Operation On (Open)Solenoid Valve – Hot Gas Bypass V_HG Operation Off (Close)Solenoid Valve – Accumulator Oil Return V_AR Operation On (Open)Solenoid Valve – Hot Gas Bypass 2 V_HG2 Operation Off (Close)Solenoid Valve-Liquid Tube V_L Operation Off (Close)Solenoid Valve – Main Cooling V_MC Operation Off (Close)Solenoid Valve-Hot Gas Charging V_HC Operation Off (Close)
