Heating Operation - LG Multi V Water IV Installation Manual

IDU HEX
EEV
M
IDU
High Pressure Liquid
High Pressure Vapor
Low Pressure Vapor
Outside
Air Temp.
Water
Outlet pipe
Water Outlet
Temp.
Water
Inlet pipe
Plate
HEX
SC HEX
Outlet Temp.
Pressure Sensor
Remarks
Pressure Switch
Due to our policy of continuous product innovation, some specifications may change without notification.
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REFRIGERANT FLOW DIAGRAMS
208–230V 6/8/10/12 Ton; 460V 6/8/10/12/14/16 Ton
IDU HEX
Flare
Joint
M
Flare
Joint
S
Low
Pressure
Sub-Cooling HEX
EEV Service Valve
Strainer Check Valve
ARWN Heat Pump Systems

Heating Operation

Flare
Joint
EEV
Flare
Joint
IDU
Water Source Unit
High
Pressure
Discharge
Temp.
High
Pressure
INV
Comp
Suction
Temp.
Liquid
Temp.
4-Way Valve
Temperature Sensor
S
Solenoid Valve
Vapor
Liquid
31