SiEN34-705
Appendix
General Information
137
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
connected below the REFENT header.
!
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,
example in case of refnet 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
Indoor unit total capacity index
Refrigerant branch kit name
< 200
KHRP26M22H (Max. 4 branch)
200
≤
x< 290
KHRP26M33H (Max. 8 branch)
290
≤
x< 640
KHRP26M72H (Max. 8 branch) (See Note 3 - Next page)
640
≤
KHRP26M73H (Max. 8 branch) + KHRP26M73HP
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
Indoor units (1-8)
REFNET joint (C)
a
i
b
c
d
e
f
g
h
1
2
3
4
5
6
k
j
7
8
A
B
H1
H2
Outdoor unit
Indoor units (1-8)
REFNET header
REFNET joint (B)
a
H1
H2
c
d
e
f
g
h
i
b
1
2
3
4
5
6
7
8
Outdoor unit
Indoor units (1 - 8)
REFNET header
