Fujitsu AB* A12GATH, Design & Technical Manual

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3-4. HEADER
„ „
HEADER INSTALLATION
„ z
Header selection
Header
3 - 6 Branches 3 - 8 Branches
UTR-H0906L UTR-H0908L
UTR-H1806L UTR-H1808L
When Separate into two branches, please use a separation tube instead.
„ z
Installation
(1) Connecting the connection pipes from the indoor units.
Gas pipe
Outdoor
unit side
Liquid pipe
Outdoor
unit side
Always have at least one
indoor unit connected to
the port furthest (opposite)
the outdoor unit side.
Always have at least one
indoor unit connected to
the port furthest (opposite)
the outdoor unit side.
You can connect the
indoor unit to any branch.
You can connect the
indoor unit to any branch.
(2) Use a pipe cutter to cut at the location that matches the piping size or use expanders as
necessary.
Joint pipe
Con
nec
tion
s
Field pipe
Expander
Cut in the center of
the connections
(3) Attach a plugging pipe provided if there is no piping connected at the headers.
Connection pipes
Closed pipes
- (06 - 34) -
SY
ST
EM
DE
SIGN
SY
ST
EM
DE
SIGN