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9. Piping Diagram
Heating System
• AM300KXVAGH/EU With indoor units
128
ON
FAN ON
T_IO
Heat Exchanger - Indoor unit (HX-ID)
OFF
FAN OFF
T_IO
Heat Exchanger - Indoor unit (HX-ID)
OFF
FAN OFF
T_IO
Heat Exchanger - Indoor unit (HX-ID)
Outdoor Fan Motor1 (OFM1) Outdoor Fan Motor2 (OFM2)
Thermistor -
Cond In
(T_CI)
Heat Exchanger - Main (HX_M)
Solenoid Valve -
4Way (V_4W)
Pressure
Sensor -
High
(PS_H)
Check Valve -
Discharge 1
CV_D2
(CV_D1)
Pressure
Switch -
PW_H2
High 1
(PW_H1)
Separator1
(OS2)
Thermistor -
Discharge
(T_D2)
Thermistor -
(T_CT2)
pipe 1
Compressor
(T_D1)
Top 1
(T_CT1)
Compressor1
Compressor2
(COMP1)
(COMP2)
Solenoid
Solenoid
Valve -
Valve -
EVI 1
EVI 2
(V_EVI1)
(V_EVI2)
Indoor Fan Motor (IFM)
T_IR
T_II
Indoor Fan Motor (IFM)
T_IR
T_II
Indoor Fan Motor (IFM)
T_IR
T_II
Check Valve -
EEV Bypass 1
(CV_E1)
Electronic
Expansion
Thermistor -
RE
Valve - Main 1
Ambient
3.0L
(E_M1)
(T_A)
Electronic Expansion
Valve - Main 2
(E_M2)
Thermistor -
Cond Out
(T_CO)
Check Valve -
EEV Bypass 2
(CV_E2)
Pressure
Sensor -
Low
(PS_L)
Solenoid Valve -
Thermistor -
EVI Bypass
EVI Out
(V_EB)
(T_EO)
Accumulator
(AC)
Solenoid Valve - Accumulator oil Return
(V_AR)
High Temperature High pressure Gas High
Temperature High pressure Liquid Low
Temperature Low pressure Liquid Low
Temperature Low pressure Gas
Ball Valve - Gas pipe
(BV_G)
IPM
Cooler1
(IPMC1)
IPM
Cooler2
(IPMC2)
Heat
Exchanger -
Intercooler
(HX_IC)
Thermistor -
EVI In (T_EI)
Thermistor -
Liquid pipe
(T_L)
Ball Valve - Liquid pipe
(BV_L)
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