Daikin SV1A25AJV1B - Installation Limitations

15 | Piping installation
Installer and user reference guide
81
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09
15.1 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. See the installation and operation manual of
the outdoor unit.
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
Maximum capacity index of connectable indoor units
per SVunit (a)
250 400 600 650
Maximum capacity index of connectable indoor units
per branch (b)
250 140
Maximum capacity index of connectable indoor units
per branch if two branches are combined (e)
— 250
Maximum capacity index of indoor units connected to
SV units in refrigerant flow-through (c)
650