Aisin AXGP224E1, Technical Manual, Page: 21 / 126

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1.10 Note for branch piping
•
Always install line branch pipes to make either “vertical branching” or “horizontal branching” for both
vapor and liquid lines.
Horizontal Vertical
•
Always install header branch pipes to make “horizontal branching” for both vapor and liquid lines.
REMIND
When connecting the branch pipe, do not bend
the main pipe near the connection.
If such bending is unavoidable, provide a
minimum of 150 mm of straight portion.
However, do not use a bent pipe with an
external diameter of Ø 28.6 or larger.
Orizzontale
Vapor line
Liquid line
•
Do not perform another braching after header
branching.
•
When performing header branching, connect
the crimpt pipe (locally procured) in
accordance with the number of indoor units