Appendix Si39-303
114 General Information
7.4.2 How to select the refnet header
!
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
7.4.3 How to choose an outdoor branch kit (needed if the outdoor unit
capacity type is RXYQ18 or more.)
!
Choose from the following table in accordance with the number of outdoor units.
Indoor capacity index Refrigerant branch kit name
< 200 KHRP26M22H (Max.4 kit)
< 290 KHRP26M33H (Max.8 kit)
290
≤
X < 640 KHRP26M72H (Max.8 kit)
640 < KHRP26M73H(Max.8 kit) + KHRP26M73HP
a
ABCDEFG
bcdef
g
hi j kl mn
1234567
8
H2
Outdoor unit
REFNET joint (C)
Indoor units (1-8)
a
i
b
cde f
g
h
123456
Outdoor unit
REFNET joint (B)
Indoor units (1-8)
Refnet header
k
j
78
A
B
H1
H2
a
H1
H2
Outdoor unit
Refnet header
Indoor units (1-8)
cde
f
g
h
b
1234567
8
Number of outdoor units Branch kit name
2 unit BHFP22M90 + BHFP22M90P
3 unit BHFP22M135 + BHFP22M135P