LG ARUM072DTE5 - Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification

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Refrigerant Piping System Installation for Heat Recovery Operation
Due to our policy of continuous product innovation, some specications may change without notication.
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Sample Layouts
INSTALLING FOR HEAT RECOVERY
OPERATION
Slave
Master
First Indoor Unit
Y-Branch
Outdoor Unit
Y-Branch
Indoor Unit
48,000 Btu/h
Indoor Unit
48,000 Btu/h
Indoor Unit
48,000 Btu/h
Indoor Unit
48,000 Btu/h
Heat Recovery Unit 1
Indoor Unit
48,000 Btu/h
Indoor Unit
48,000 Btu/h
Heat Recovery Unit 2
Heat Recovery Unit 3
Series connection of Heat Recovery Units: Total capacity of
connected Indoor Units must be ≤192,000 Btu/h.
Header
Slave
Master
First Indoor Unit
Y-Branch
Outdoor Unit
Y-Branch
Indoor Unit
48,000 Btu/h
Indoor Unit
48,000 Btu/h
Heat Recovery Unit 1
Heat Recovery Unit 2
Y-Branch
Indoor Unit
12,000 Btu/h
Indoor Unit
12,000 Btu/h
Indoor Unit
12,000 Btu/h
Indoor Unit
12,000 Btu/h
Indoor Unit
24,000 Btu/h
Indoor Unit
24,000 Btu/h
Maximum number of Indoor Units connected to a Header is eight (8).
Sample Layouts, Continued.
Images are for illustrative purposes only and are not accurate representations. For specic details on piping limitations and other refrigerant system
rules, review the information in this entire piping section, see the Multi V 5 Engineering Manual, and follow the LATS diagram.