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10. Installation
Refrigerant pipe installation
Branch joint (E)
Select a branch joint according to the sum of indoor unit capacity which will be connected after the branch.
However, if the size of the pipe between branch joints (E) is bigger than the size of the pipe connected to the
outdoor unit (D), apply the pipe size (D).
1) Y-joint
Classification Model name Specification (kW)
Y-joint (E)
15.1 kW ~ 40.0 kW
40.1 kW ~ 45.0 kW
45.1 kW ~ 70.3 kW
70.4 kW ~ 98.4 kW
98.5 kW ~ 135.2 kW
2) Distribution header
Classification Model name Specification (kW)
Distribution header (E)
70.4 kW ~ 135.2 kW
(for 8 rooms)
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