Piping Diagram
Samsung Electronics 340
7-3 Functions (cont.)
7-3-2-4 Special operation modes (cont.)
7-3-2 Control (cont.)
▪ Refrigerant Flow
Heat pump
Outdoor Heat Exchanger (OHX)
Outdoor Heat Exchanger (OHX)
Outdoor Heat Exchanger (OHX)
Outdoor Heat Exchanger (OHX)
Outdoor Heat Exchanger (OHX)
Outdoor Heat Exchanger (OHX)
Hot Gas
Bypass Valve
(V_HG)
Low
Pressure
Sensor
(LPS)
EVI In Temp.
Sensor
(T_EI)
1
2
7
3
8
4
6
5
Accumulator
(AC)
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)
Check
Valve -
EEV Bypass
(CV_E)
Electronic Expansion
Valve - Main (E_M)
Thermistor -
Suction pipe (T_S)
IPM Cooler 1 (IPMC1)
IPM Cooler 2 (IPMC2)
Solenoid
Valve - EVI
Bypass (V_EB)
Heat Exchanger -
Intercooler (HX_IC)
Thermistor -
EVI Out (T_EO)
Electronic Expansion
Valve - EVI (E_EVI)
Thermistor -
Liquid pipe (T_L)
Ball Valve -
Liquid pipe (BV_L)
Solenoid Valve -
Accumlator oil Return (V_AR)
Solenoid Valve -
EVI 2 (V_EVI2)
Solenoid
Valve -
EVI 1 (V_EVI1)
Compressor 2
(COMP2)
(T_D2)
Thermistor -
Discharge
pipe 1 (T_D1)
Thermistor -
Compressor
Top 1 (T_CT1)
Pressure Switch -
High 1 (PW_H1)
(PW_H2)
(T_CT2)
Compressor 1
(COMP1)
Oil
Separator 1
(OS1)
(OS2)
(CV_D2)
Check Valve -
Discharge 1
(CV_D1)
Pressure
Sensor -
High (PS_H)
Solenoid Valve -
4Way (V_4W)
High Temperature & pressure Gas
High Temperature & pressure Liquid
Low Temperature & pressure Gas
Low Temperature & pressure Liquid
OFF FAN OFF
OFF FAN OFF
HEAT FAN OFF
HEAT FAN OFF
HEAT FAN OFF
HEAT FAN OFF
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