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MULTI V IV System Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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PRHR021A, 031A, 041A Heat Recovery Unit Refrigerant Circuit Diagram
HEAT RECOVERY ACCESSORIES
A : Switch operation between cooling and heating.
B : Decreases noise following subcooling operation between inlet of one indoor unit and outlet of another indoor unit during simultaneous
operation.
C : Prevents liquid from entering high-pressure vapor valve and heat recovery control unit during cooling mode.
D : Controls pressure between the high and low pressure vapor pipes during simultaneous operation.
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