Refrigerant Flow For Each Operation Mode; Dvm S Heat Pump - Cooling Operation - Samsung AM072BXV Series Service Manual

Piping Diagram

7-2 Refrigerant Flow for Each Operation Mode

7-2-1 DVM S Heat Pump – Cooling operation
Outdoor Fan Motor 1
(OFM1)
Heat Exchanger - Main (HX_M)
Thermistor -
Suction pipe
(T_S)
Solenoid Valve - Solenoid Valve
Pressure
4Way (V_4W) 4Way (V_4W2)
Sensor -
High1
(PS_H1)
Solenoid Valve -
Check Valve -
Hot Gas bypass
Discharge1 (CV_D2)
(V_HG)
(CV_D1)
Oil
Separator1 (OS2)
(OS1)
Pressure
Switch -
(PW_H2)
High1
(PW_H1)
Thermistor -
Discharge1
Thermistor -
pipe (T_CT2) (T_D2)
Compressor
(T_D1)
Top1
(T_CT1)
Compressor1 Compressor2
(COMP1) (COMP2)
Solenoid Solenoid
Valve - Valve -
EVI2
EVI1
Solenoid Valve -
(V_EVI1) (V_EVI2)
Accumulatoroil Return
Samsung Electronics
Outdoor Fan Motor 2
(OFM2)
Thermistor -
Ambient
(T_A)
Thermistor -
Cond Out
(T_CO)
Electronic
Check Valve - Expansion
Valve -
EEV Bypass
(CV_EB) Main
(E_M)
Pressure
Sensor -
Low
(PS_L)
IPM Cooler
(IPMC)
Solenoid
Valve -
Thermistor -
EVI Bypass
EVI Out
(V_EB)
(T_EO)
Heat
Thermistor Exchanger -
- EVI In
Intercooler
(T_EI)
(HX_IC)
Accumulator
(AC)
Electronic
Expansion
Valve -
EVI (E_EVI)
Thermistor -
Liquid pipe
(V_AR)
(T_L)
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Ball Valve -
Gas pipe
(BV_G)
Ball Valve -
Liquid pipe
(BV_L)
High Temperature & Pressure Gas
High Temperature & Pressure Vapor
Low Temperature & Pressure Gas
Low Temperature & Pressure Vapor
COOL
FAN ON
COOL
FAN ON
COOL
FAN ON
OFF
FAN OFF
COOL
FAN ON
OFF
FAN OFF
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