Daikin RXQ8PY1 - Refrigerant Branch Kit Selection

Appendix SiEN34-705
136 General Information
7.4 Refrigerant Branch Kit Selection
7.4.1 How to Select the Refnet Joint
Heat Pump 50Hz/60Hz, Cooling Only 50Hz (RX(Y)Q5~54P, 50PH)
! When using REFNET joint at the first branch counted from the outdoor unit side.
Choose from the following table in accordance with the outdoor unit capacity type.
(Example: REFNET joint A)
! Choose the REFNET joints other than that for the first branch from the following table in
accordance with the total capacity index of all the indoor units connected below the REFNET
joint.
*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 R-410A.
Outdoor unit capacity type Refrigerant branch kit name
5HP type KHRP26A22T
8, 10HP type KHRP26A33T
12~22HP type KHRP26A72T
12~22HP type~ KHRP26A73T + KHRP26M73TP
Indoor unit total capacity index Refrigerant branch kit name
< 200 KHRP26A22T
200 ≤ x< 290 KHRP26A33T
290 ≤x< 640 KHRP26A72T
640 ≤ KHRP26A73T + KHRP26M73TP
a
ABCDEFG
bcdef
g
hi j kl mn
1234567
8
H2
Outdoor unit
REFNET joint (C)
Indoor units (1-8)
H1
a
i
b
cde f
g
h
123456
k
j
78
A
B
H1
H2
Outdoor unit
Indoor units (1-8)
REFNET header
REFNET joint (B)
a
H1
H2
cde
f
g
hi
b
123 4567
8
Outdoor unit
Indoor units (1 - 8)
REFNET header