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7.3.2. Piping between refrigerant branch kits or refrigerant
branch kits and Branch Selector units: D
Choose from the following table in accordance with the indoor unit
total capacity, connected downstream. Do not let the connection pip-
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r ri
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model name.
Piping outer diameter size
Indoor unit
Suction gas
capacity index
pipe
5/8 in.
< 54
(15.9 mm)
3/4 in.
× < 72
(19.1 mm)
7/8 in.
× < 111
(22.2 mm)
× < 162
1-1/8 in.
(28.6 mm)
× < 230
1-3/8 in.
× < 300
(34.9 mm)
1-5/8 in.
> 300
(41.3 mm)
Example:
o
r
c
ci
or
c
+ unit 6)
7.3.3. Piping between refrigerant branch kits or Branch Selec-
tor units and indoor units: E
Pipe size for direct connection to indoor units must be the same as the
connection size of the VRV indoor units.
Piping outer diameter size
Indoor unit
capacity index
Gas pipe
07, 09, 12, 18
1/2 in. (12.7 mm)
24, 30, 36, 42,
5/8 in. (15.9 mm)
48, 54
72
3/4 in. (19.1 mm)
96
7/8 in. (22.2 mm)
7.4. Selection of refrigerant branch kits
or i i
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r o
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oi
units, choose from the following table in accordance with the capac-
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o
oor
i
of piping size).
Outdoor unit capacity type
3P362438-5N English
i
c o
r
High/low
pressure gas
Liquid pipe
pipe
1/2 in.
(12.7 mm)
5/8 in.
3/8 in.
(15.9 mm)
(9.5 mm)
3/4 in.
(19.1 mm)
1/2 in.
(12.7 mm)
5/8 in.
(15.9 mm)
1-1/8 in.
(28.6 mm)
3/4 in.
(19.1 mm)
ci i
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i
Liquid pipe
1/4 in. (6.4 mm)
3/8 in. (9.5 mm)
c io o
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o
fir
r
c
ro
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oor
oi
c io
Kit name
KHRP25A33T9
KHRP25A33TA
KHRP25M72TU9
KHRP25M72TUA
KHRP25M73TU9
KHRP25M73TUA
or
oi
o
r
joint b - see 7.3. Selection of piping size), select the proper branch
kit model based on the total capacity of all indoor units connected
after the refrigerant branch.
Indoor unit
capacity index
(for 3 pipes)
KHRP25A22T9
< 72
KHRP25A22TA
KHRP25A33T9
× < 111
KHRP25A33TA
KHRP25M72TU9
× < 246
KHRP25M72TUA
KHRP25M73TU9
KHRP25M73TUA
o c r i
r c oo
accordance with the total capacity of all the indoor units connected
r
r
Indoor unit
capacity index
(for 3 pipes)
< 72
KHRP25M33H9
KHRP25M33HA
× < 111
KHRP25M72H9
× < 230
KHRP25M72HA
KHRP25M73HU9
KHRP25M73HUA
INFORMATION
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o
How to choose an outdoor multi connection piping kit (needed if the
outdoor unit capacity type is 192 or more). Choose from the follow-
ing table in accordance with the number of outdoor units.
Number of outdoor units
2
3
fir
r
c
Kit name
(for 2 pipes)
KHRP26A22T9
KHRP26A22TA
KHRP26A33T9
KHRP26A33TA
KHRP26M72TU9
KHRP26M72TUA
KHRP26M73TU9
KHRP26M73TUA
ro
o o i
i
Kit name
(for 2 pipes)
KHRP26M22H9/
KHRP26M22HA:
i
i
oor
i
or
KHRP26M33H9/
KHRP26M33HA:
i
i
oor
i
KHRP26M33H9
KHRP26M33HA
KHRP26M72H9
KHRP26M72HA
KHRP26M73HU9
KHRP26M73HUA
c
o
r
i
O
Branch kit name
BHFP26P100U
BHFP26P100UA
BHFP26P151U
BHFP26P151UA
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