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Daikin RXYQ5PY1 Service Manual Page 143

R-410a heat pump 50hz/60hz cooling only 50hz.
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SiEN34-705
7.4.2 How to Select the Refnet Header (Heat Pump/Cooling Only
RX(Y)Q5~54P, 50PH)
! Choose from the following table in accordance with the total capacity of all the indoor units
! Note: 250 type cannot be connected below the REFENT header.
*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
General Information
connected below the REFENT header.
Indoor unit total capacity index
< 200
200
x< 290
290
x< 640
640
Outdoor unit
a
b
c
A
B
h
i
1
2
example in case of refnet header ; indoor units 1 + 2 + 3 + 4 + 5 + 6
H1
REFNET header
Outdoor unit
a
b
c
1
2
Indoor units (1 - 8)
Refrigerant branch kit name
KHRP26M22H (Max. 4 branch)
KHRP26M33H (Max. 8 branch)
KHRP26M72H (Max. 8 branch) (See Note 3 - Next page)
KHRP26M73H (Max. 8 branch) + KHRP26M73HP
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
REFNET joint (B)
i
a
A
b
g
c
d
e
f
1
2
3
4
5
Indoor units (1-8)
REFNET header
g
d
e
f
h
3
4
5
6
7
H2
G
n
7
H2
8
B
k
j
7
8
H2
h
6
H1
i
8
Appendix
137

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