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10. Installation
Refrigerant pipe installation
2. Connect refrigerant pipes between outdoor units.
▶ To connect pipes between outdoor units, branch joints (that needs to be purchased separate) must be installed.
※ For optimal distribution of the refrigerant, you must use Y-joint for connecting outdoor units. (Do not use T-joint)
▶ When outdoor units are installed in module, there are no restrictions on the order of installation.
Caution
When refrigerant pipe
is installed at higher
level than the pipe
connection part of the
outdoor unit, you must
install a trap at the gas
pipe.
Branch joint between
outdoor units must be
installed horizontally.
When the piping
length between
outdoor unit and the
branch joint exceeds 2
m, install a vertical trap
as show in the figure.
Correct installation
200 mm or more
200~300 mm
1 m or less
2 m or more
Incorrect installation
2 m or more
51
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