Daikin RXYSQ6P8Y1B9, Installation Manual

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Installation manual
10
RXYSQ6P8Y1B9
VRVIII-S System air conditioner
4P357505-1 – 2013.08
10.7. Example of connection for VRV indoor units
Example of connection (C
onn
e
ctio
n o
f 8
indoor units Heat p
u
mp
system)
Branc
h with
refne
t j
o
int
Bra
n
c
h with
re
fnet joint
an
d
refnet he
ader
Bran
c
h with
re
fnet hea
der
Maxi
m
u
m
all
o
wa
b
le
length
B
e
tw
e
en out
do
or
an
d
in
doo
r un
it
s
Act
ua
l pipe
len
g
th
Pipe
len
g
th
be
tw
ee
n o
u
tdoo
r an
d ind
o
o
r un
it
s
”
15
0
m
To
ta
l e
x
te
n
s
io
n
length
T
o
ta
l pip
in
g
le
ng
th f
ro
m
ou
tdo
or
un
it to
all ind
o
o
r
un
it
s be
tw
ee
n 1
0
m a
n
d
30
0
m
Allo
wab
le
height
B
e
tw
e
en out
do
or
an
d
in
doo
r un
it
s
Diff
er
en
ce in
he
ig
ht
Diff
e
re
nce
in
h
e
igh
t be
tw
ee
n o
u
tdoo
r an
d ind
o
o
r
un
it
s (
H
1
)
”
50
m (
”
4
0
m
if o
utd
oo
r
un
it
is loca
ted
in a
lo
we
r po
sition)
.
Be
tw
ee
n
in
do
or
an
d
in
do
or
un
it
s
Diff
er
en
ce in
he
ig
ht
Diff
e
re
nce
in
h
e
igh
t be
tw
ee
n a
d
ja
cent
ind
oor
u
n
its (H2)
”
5m
Allo
wab
le
le
ng
th a
fter the bra
nch
Act
ua
l pipe
len
g
th
Ref
riger
ant branc
h ki
t s
e
lect
ion
Refri
g
e
ra
n
t b
ra
n
ch
kits ca
n o
n
ly b
e
u
s
ed
wi
th
R4
10A
.
Use t
he
fo
llo
wing
re
fnet joint
Use the f
o
llo
win
g
re
fn
et he
ade
r
Pipe
si
z
e
s
e
le
ction
Caution on selecting connection pipes If t
h
e
o
v
e
ra
ll
equ
iv
a
le
n
t pipin
g
le
ngt
h is
”
0
m
, be
sur
e
to
en
la
rge
the
pip
e
d
iam
ete
r
of
the
ga
s-sid
e
ma
in
pip
in
g
. If t
he
recommended pipe size is not available, stick to the original pipe
d
ia
m
ete
r
(wh
ich
ma
y re
sult in
a sma
ll ca
pa
city de
crease
).
[Gas side] 5;<64‘‘
Outdoor
uni
t connec
ti
on pi
pin
g
si
z
e
B. P
iping bet
w
een
refrig
erant branc
h
ki
ts
‡
Use
the
pi
pe
si
z
e
fr
om t
he f
o
llo
w
ing
ta
b
le
.
C.
Piping between refrig
erant branch kit and indoor unit
‡
Pi
pe si
z
e
f
o
r
di
re
ct conne
cti
on to i
ndoor uni
t m
u
st be the same as the
connection size of indoor unit.
indo
or u
n
it
re
fn
et jo
in
t
re
fn
e
t he
ad
er
O
ut
door unit capacity
ty
pe
Re
fr
igera
nt br
anc
h kit
nam
e
KHRQ22M20T
RXYSQ6
Outdoor unit ca
pacity type
Re
fr
igera
nt branc
h kit
na
me
K
+540+
RXYSQ6
1
Main
p
ipe
(enl
arge
)
2
First
r
efr
iger
ant
br
an
ch
kit
3
Indoo
r unit
Pipi
n
g
siz
e
(outer
d
iamet
er x mini
m
u
m
thickness)
Gas pi
pe
Liquid pi
p
e
Ø
.5
x0.8
RX
YSQ
6
Ø1
.1x1
.0
(Ø22
.2x1
.0)
P
iping si
z
e
(outer di
amet
er x
minim
um
thic
kness)
Gas pipe
Liquid pipe
Ø
[
Ø
[
Gas pipe
Liquid pipe
20
+2
5+
32
+4
0
+
50
Ø1
2
.7
x
0.
8
Ø
6.
4
x
0.
8
6
3+
80
+
1
00+
12
5
Ø
15.
[
1.
0
Ø
.5x0
.8
R=
(
T
o
tal le
ng
th (m
) of liq
ui
d
SLSLQJVL]HDW‘
)
x0
.0
54+
(
T
o
ta
l l
e
ng
th (m)
of
li
q
u
id
piping size at Ø6.4
)
x0
.02
2
E
x
ample f
o
r refrig
erant
branc
h
usi
n
g
refnet joint
and
refnet header
R=
[7
3 x 0
.0
54]
+
[6
x
0
.02
2] =
5
.46
5.5
kg
a:
Ø
.5x3
0
m
d
: Ø
.5
x13
m
g: Ø
6
.4
x10
m
j: Ø6
.4x1
0
m
b:
Ø
.5x1
0
m
e
: Ø6
.4
x10
m
h: Ø
6
.4
x20
m
k: Ø
6
.4
x
m
c:
‘
5
x10
m
f: Ø6
.4x1
0
m
i:
Ø
.5x1
0
m
ab
c
d
e
f
g
hi
j
k
l
m
n
12
34
56
7
8
H2
H1 p
AB
C
D
E
F
G
H1
H2
a
i
b
cd
e
f
g
h
123456
k
j
78
A
B
a
H1
H2
cd
e
f
g
hi
b
1234567
8
1
2
3
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>([DPSOH@XQLWEK”PXQLWLN”P
>([DPSOH@XQLWL”
P
>([DPSOH@XQLWDEK”P8QLWDLN”P
>([DPSOH@XQLWDL”P
Eq
uiv
a
len
t pip
e
len
g
th
b
e
tw
e
en
out
do
or
an
d in
doo
r un
its
”
1
7
5
m
(
Assum
e
eq
uiv
a
lent
pip
e
len
g
th
o
f
re
fne
t j
o
in
t
to b
e
0.5
m
an
d o
f th
e
re
fne
t he
ad
er
t
o
b
e
1
.0
m
.
(f
or ca
lcul
at
io
n p
u
rp
o
s
es)
)
Eq
uiv
a
len
t len
gth
Pipe
len
gth
from f
irst
re
fr
ige
rant
br
an
ch k
it
(e
ithe
r
re
fn
et jo
in
t
or
re
fn
et
he
ad
e
r
) to
ind
oor unit
”
0m
A. Pi
ping between outdoor unit and refrigerant branch kit
‡
Match
to
t
he s
iz
e
of
the
con
necti
on
pi
pin
g
on
th
e out
door
uni
t.
How
t
o
ca
lc
ul
a
te th
e addit
io
n
al
refrig
e
rant
t
o
be charg
ed
Ad
dition
al r
e
fr
iger
a
n
t t
o
b
e
ch
arge
d R (
k
g
)
R sho
uld
be
ro
un
de
d o
ff in
un
it
s of
0.1
kg
O
ut
door uni
t
capacity t
y
pe
Indoor capacity inde
x
Piping siz
e
(o
ute
r
dia
m
et
er x mi
nim
u
m th
ic
kn
es
s)
4P357505-1.book Page 10 Tuesday, September 10, 2013 7:59 AM