Daikin REYQ72AATJ Series - Selection of Refrigerant Branch Kits

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7.3.2. Piping between refrigerant branch kits, Branch Selector
units, or refrigerant branch kits and Branch Selector units: C
Choose from the following table in accordance with the indoor unit
total capacity, connected downstream. Do not let the connection piping
GZEGGFVJGTGHTKIGTCPVRKRKPIUK\GEJQUGPD[VJGIGPGTCNU[UVGOOQFGN
name. When selecting 2 pipes line (gas pipe and liquid pipe), use Suc-
tion gas pipe column for gas pipe and Liquid pipe column for liquid pipe.
Indoor unit
capacity index
Piping outer diameter size
Suction gas
pipe
High/low
pressure gas
pipe
Liquid pipe
<54
5/8 in.
(15.9 mm)
1/2 in.
(12.7 mm)
3/8 in.
(9.5 mm)
Űu<72
3/4 in.
(19.1 mm)
5/8 in.
(15.9 mm)
Űu<111
7/8 in.
(22.2 mm)
3/4 in.
(19.1 mm)
Űu<162
1-1/8 in.
(28.6 mm)
1/2 in.
(12.7 mm)
Űu<230
1-1/8 in.
(28.6 mm)
5/8 in.
(15.9 mm)
Űu<300
1-3/8 in.
(34.9 mm)
3/4 in.
(19.1 mm)
ű
1-5/8 in.
(41.3 mm)
Example:
&QYPUVTGCOECRCEKV[HQT%ECRCEKV[KPFGZQHWPKVWPKVWPKV
+ unit 6 + unit 7 + unit 8 + unit 9)
7.3.3. Piping between refrigerant branch kits or Branch Selec-
tor units and indoor units: D
Pipe size for direct connection to indoor units must be the same as the
connection size of the VRV indoor units.
Indoor unit
capacity index
Piping outer diameter size
Gas pipe Liquid pipe
05, 07, 09, 12, 15, 18 1/2 in. (12.7 mm) 1/4 in. (6.4 mm)
24, 30, 36, 42,
48, 54
5/8 in. (15.9 mm)
3/8 in. (9.5 mm)
72 3/4 in. (19.1 mm)
96 7/8 in. (22.2 mm)
7.4. Selection of refrigerant branch kits
(QTRKRKPIGZCORNGTGHGTVQ5GNGEVKQPQHRKRKPIUK\GQPRCIG|
• 9JGPWUKPI4'(0'6LQKPVUCVVJGƂTUVDTCPEJHTQOVJGQWVFQQT
units, choose from the following table in accordance with the capac-
KV[QHVJGQWVFQQTWPKVGZCORNG4'(0'6LQKPVCUGG5GNGEVKQP
of piping size).
Outdoor unit capacity type Kit name
REYQ72, 96A type
KHRP25A33T9
KHRP25A33TA
REYQ120-216A type
KHRP25M72TU9
KHRP25M72TUA
REYQ240-480A type
KHRP25M73TU9
KHRP25M73TUA
• (QT4'(0'6LQKPVUQVJGTVJCPVJGƂTUVDTCPEJGZCORNG4'(0'6
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
Kit name
HQTRKRGU HQTRKRGU
<72
KHRP25A22T9
KHRP25A22TA
KHRP26A22T9
KHRP26A22TA
Űu<111
KHRP25A33T9
KHRP25A33TA
KHRP26A33T9
KHRP26A33TA
Űu<246
KHRP25M72TU9
KHRP25M72TUA
KHRP26M72TU9
KHRP26M72TUA
ű
KHRP25M73TU9
KHRP25M73TUA
KHRP26M73TU9
KHRP26M73TUA
• Concerning REFNET headers, choose from the following table in
accordance with the total capacity of all the indoor units connected
after the REFNET header.
Indoor unit
capacity index
Kit name
HQTRKRGU HQTRKRGU
<72
KHRP25M33H9
KHRP25M33HA
KHRP26M22H9/
KHRP26M22HA:
OCZKOWOKPFQQTWPKVU
or
KHRP26M33H9/
KHRP26M33HA:
OCZKOWOKPFQQTWPKVU
Űu<111
KHRP26M33H9
KHRP26M33HA
Űu<230
KHRP25M72H9
KHRP25M72HA
KHRP26M72H9
KHRP26M72HA
ű
KHRP25M73HU9
KHRP25M73HUA
KHRP26M73HU9
KHRP26M73HUA
INFORMATION
/CZKOWODTCPEJGUECPDGEQPPGEVGFVQCJGCFGT
B(1B0DLQB959B,0LQGG 