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Multi V 5
Heat Recovery
5. Piping Diagrams
Low pressure gas pipe
Liquid pipe
High pressure gas pipe
s
Solenoid
EEV
Sensor
•
A : To be switched operation between cooling and heating by two valves
•
B : To be used decreasing noise according to sub-cooling of inlet of indoor unit and outlet of indoor unit
(Simultaneous operation)
•
C : To prevent liquid charging between H/P gas valve and HR unit at cooling mode
•
D : To be controlled the pressure between High and Low pressure pipe during operation switching
8
B
A
D
HR Unit
s
C
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