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MULTI V Water IV System Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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REFRIGERANT FLOW DIAGRAMS
Cooling Operation
208–230V 6/8/10/12 Ton; 460V 6/8/10/12/14/16 Ton
ARWN Heat Pump Systems
IDU HEX
IDU
IDU HEX
IDU
Flare
Joint
Flare
Joint
Flare
Joint
Flare
Joint
High
Pressure
Water Source Unit
Accumulator
Oil
Separator
Vapor
Liquid
Low
Pressure
Discharge
Temp.
Suction
Temp.
SC HEX
Outlet Temp.
Remarks
Liquid
Temp.
INV
Comp
High
Pressure
Pressure Switch
EEV
Pressure Sensor
Strainer
Check Valve
Service Valve
4-Way Valve
Solenoid Valve
Temperature Sensor
High Pressure Liquid
High Pressure Vapor
Low Pressure Vapor
M
M
S
S
Sub-Cooling HEX
EEV EEV
Water
Outlet pipe
Water
Inlet pipe
Plate
HEX
Water Outlet
Temp.
Outside
Air Temp.