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Daikin RXYQ5PY1 Service Manual: Refrigerant Branch Kit Selection

Daikin r-410a heat pump 50hz/60hz cooling only 50hz.
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Appendix
7.4

Refrigerant Branch Kit Selection

Refrigerant branch kits can only be
used with R-410A.
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.
Outdoor unit capacity type
! Choose the REFNET joints other than that for the first branch from the following table in
Indoor unit total capacity index
*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
3. example in the case of refnet header; indoor units 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8
136
Choose from the following table in accordance with the outdoor unit capacity type.
(Example: REFNET joint A)
5HP type
8, 10HP type
12~22HP type
12~22HP type~
accordance with the total capacity index of all the indoor units connected below the REFNET
joint.
< 200
200 ≤ x< 290
290 ≤x< 640
640 ≤
Outdoor unit
a
b
c
A
B
h
i
1
2
example in case of refnet joint header; indoor units 1 + 2 + 3 + 4 + 5 + 6
H1
REFNET header
Outdoor unit
a
b
c
d
1
2
3
Indoor units (1 - 8)
Refrigerant branch kit name
KHRP26A73T + KHRP26M73TP
Refrigerant branch kit name
KHRP26A73T + KHRP26M73TP
REFNET joint (C)
g
d
e
f
C
D
E
F
j
k
l
m
3
4
5
6
Indoor units (1-8)
Outdoor unit
a
A
b
c
d
e
f
1
2
3
4
5
Indoor units (1-8)
REFNET header
g
e
f
h
4
5
6
7
H2
KHRP26A22T
KHRP26A33T
KHRP26A72T
KHRP26A22T
KHRP26A33T
KHRP26A72T
H1
G
n
7
H2
8
REFNET joint (B)
i
B
k
j
7
8
H2
g
h
6
H1
i
8
General Information
SiEN34-705

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