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10. Installation
Refrigerant pipe installation
f
Branch joint (E)
Select a branch joint according to the sum of indoor unit capacity which will be connected after the branch.
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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)
MXJ-YA1509M
15.0 kW and below
MXJ-YA2512M
15.1 kW ~ 40.0 kW
MXJ-YA2812M
40.1 kW ~ 45.0 kW
MXJ-YA2815M
45.1 kW ~ 70.3 kW
MXJ-YA3419M
70.4 kW ~ 98.4 kW
MXJ-YA4119M
98.5 kW ~ 135.2 kW
MXJ-YA4422M
Over 135.2 kW
2) Distribution header
Classification
Model name
Specification (kW)
Distribution header (E)
MXJ-HA2512M
45.0 kW and below (for 4 rooms)
MXJ-HA3115M
70.3 kW and below (for 8 rooms)
MXJ-HA3819M
70.4 kW ~ 135.2 kW
(for 8 rooms)