Outdoor Unit - LG Multi V mini Engineering Manual

Figure 8: Heating Cycle Flow Diagram—ARUN 036, 047, 053
Airflow
T3
Airflow
T1
Indoor Unit "A"
Fan
DC
T4
HEAT PUMP CONDENSING UNIT ENGINEERING MANUAL
UNIT REFRIGERANT FLOW DIAGRAMS
T2
Fan
DC
T5
Charging
Port
Oil
Separator
P2
T7
Inverter
Comp.
T9
Sub Cooler
T10
Sub Cooler EEV

Outdoor Unit

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Airflow
T3 T2
Airflow
T1
Indoor Unit "B"
Charging
P3
Port
T6
P1
Accumulator
T8
Heating Cycle Diagram
T1 Space Temperature
Sensor
T2 IDU Refrigerant Entering
Temperature Sensor
T3 IDU Refrigerant Leaving
Temperature Sensor
T4 Outdoor Ambient
Temperature Sensor
T5 Coil Pipe Temperature
Sensor
T6 Suction Temperature
Sensor
T7 Compressor Discharge
Temperature Sensor
T8 Pipe Temperature Sensor
T9 Sub Cooler Outlet
Temperature Sensor
T10 Sub Cooler Inlet
Temperature Sensor
P1 Low Pressure Sensor
P2 High Pressure Cutout
P3 High Pressure Sensor
High Temp High
Pressure Vapor
High Temp High
Pressure Liquid
Low Temp Low
Pressure Vapor
Solenoid (Hot Gas) Valve
Solenoid (Bypass) Valve
Service Valve
Flow Regulator
Field Piping Connection
4-Way Valve
Electronic Expansion
Valve (EEV)
Temperature Sensor
Strainer
Pressure Sensor
Pressure Switch
Y-Branch
High Pressure Sensor
IDU Coil
IDU Fan
PERFORMANCE DATA 45
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