Daikin VRV II Series, Design, Installation & Testing Instructions, Page: 119 / 242

Si39-303 Appendix
General Information 113
7.4 Refrigerant branch kit selection
7.4.1 How to select the refnet joint
!
When using refnet joints at the first branch counted from the outdoor unit side.
Choose from the following table in accordance with the capacity of the outdoor unit.
!
For refnet joints other than the first branch, select the proper branch kit model based on the
total capacity index of downstream indoor units.
*Example of downstream indoor units
1. example in case of refnet joint C; indoor units 3 + 4 + 5 + 6 + 7 + 8,
2. example in case of refnet joint B indoor units 7 + 8
example in case of refnet joint header; indoor units 1 + 2 + 3 + 4 + 5 + 6
3. example in the case of refnet header; indoor units 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8
Refrigerant branch kits can only be
used with R410A.
Outdoor unit capacity type Refrigerant branch kit name
RXYQ5 type KHRP26M22T
RXYQ8, 10type KHRP26M33T
RXYQ12 ~ 22 type KHRP26M72T
RXYQ24 type ~ KHRP KHRP73TP
Indoor capacity index Refrigerant branch kit name
< 200 KHRP26M22T
200
≤
X < 290 KHRP26M33T
290
≤
X < 640 KHRP26M72T
640 < KHRP KHRP73TP
a
A B C D E F G
b c d e f
g
h i j k l m n
1 2 3 4 5 6 7
8
H2
Outdoor unit
REFNET joint (C)
Indoor units (1-8)
H1
a
i
b
c d e f
g
h
1 2 3 4 5 6
Outdoor unit
REFNET joint (B)
Indoor units (1-8)
Refnet header
k
j
7 8
A
B
H1
H2
a
H1
H2
Outdoor unit Refnet header
Indoor units (1-8)
c d e f
g
h b
1 2 3 4 5 6 7
8