Daikin VRV 5-S - Installation Limitations

18 | Piping installation
Installer and user reference guide
91
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752782-1A – 2024.02
Indoor unit capacity index Refrigerant branch kit
290≤x<390 KHRA22M65H (inch)
KHRAM22M65H (mm)
INFORMATION
Maximum 8 branches can be connected to a header.
18.1.6 Installation limitations
The illustration and table below show the installation limitations.
g
a
f
e
b
c
g
g
d
g
g
g
g
g g
a, b See table below.
c Maximum limit of 16downstream ports of SV units in refrigerant flow-through.
Unused ports must also be counted. E.g. 16ports=SV8A+SV4A+SV4A.
d At least one indoor unit must be connected to a SV unit (SV6A and SV8A: always
start from one of the first four ports).
e Combine two ports when indoor unit capacity is over 140 except when SV1A is
used. Refer to the table below.
f Direct connection to the outdoor unit. For more information, see "18Piping
installation"[487].
g SV unit
Description Model
SV1 SV4 SV6 SV8
Maximum number of connectable indoor units per
SVunit (a)
5 20 30 40
Maximum number of connectable indoor units per
SVunit branch (b)
5