Fujitsu 9RLFCC Manuel - Page 46

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Fujitsu 9RLFCC Manuel

MISCELLANEOUS

Line Set Sizes and Lengths

1/4" x 3/8"
1/4" x 1/2"
1/4" x 5/8"
3/8" x 1/2"
3/8" x 5/8"
Total System
Max.
Combined
66
66
66
Pipe Length ft (m)
(20)
(20)
(20)
Min.
Combined
9
9
9
Pipe Length ft (m)
(2.7)
(2.7)
(2.7)
While these systems share indoor units, different line sizes are required.
1/4" x 3/8"
1/4" x 1/2"
1/4" x 5/8"
3/8" x 1/2"
3/8" x 5/8"
Total System
Max.
Combined
Pipe Length ft (m)
Min.
Combined
Pipe Length ft (m)
Each Indoor Unit
Minimum and maximum pipe lengths for multi-zone units are found on pages 36, 37 and 41.
*18+18 is the only 2 indoor unit combination allowed for AOU36RLXFZ and requires kit K9FZ1818.
While these systems share indoor units, different line sizes are required.
^ Line set size from outdoor unit AOU48RLXFZ1 to the branch boxes.
1
Minimum combined pipe length from outdoor unit to branch box.
2
Minimum combined pipe length from branch box to indoor unit each.
Fujitsu Model Nomenclature
Model
ASU
Wall Mount
Universal Mount
ABU
Ceiling Suspended
ARU
Compact Duct
AUU
Cassette Mount
AOU
Outdoor Unit
46
66
66
66
66
66
66
66
66
(20)
(20)
(20)
(20)
(20)
(20)
(20)
(20)
9
9
9
9
9
9
9
9
(2.7)
(2.7)
(2.7)
(2.7)
(2.7)
(2.7)
(2.7)
(2.7)
Multi / Flex Zone Models
48
R
Reverse cycle
R =
BTUs in
heat pump
thousands
C =
Cooling only
Single Zone Systems
165
165
66
165
165
165
66
66
(50)
(50)
(20)
(50)
(50)
(50)
(20)
(20)
16
16
9
16
16
16
9
9
(5)
(5)
(2.7)
(5)
(5)
(5)
(2.7)
(2.7)
165
165
230
131
(50)
(50)
(70)
(40)
49
49
66
49
(15)
(15)
(20)
(15)
L
X
C =
Cassette
L =
Ceiling
Extended
S =
X =
Suspended
Line Set
L =
Inverter
S =
Efficient
U =
Universal
F =
66
66
66
66
165
165
165
165
(20)
(20)
(20)
(20)
(50)
(50)
(50)
(50)
9
9
9
9
16
16
16
16
(2.7)
(2.7)
(2.7)
(2.7)
(5)
(5)
(5)
(5)
377
(115)
1
2
16
10
(5)
1
(3)
2
F
Z
Super
Inverter
S =
Z=
Efficient
Extended
X =
W=
Line Set
Super
Super
S =
Efficient
HFI
F =
HFI
High
H =
Heating
Wall
W =
Mount
Only
Compact
Cassette or
C =
Compact
Duct
165
165
230
(50)
(50)
(70)
16
16
16
(5)
(5)
(5)
Zone
Wall
Mount
Only