R REMQ10~16P8 + REMHQ12P8Y1B
VRVIII System air conditioner
4PW48463-1A
Installation manual
10
Pipe siz
e selection
F
or an outdoor unit m
ulti installation (REYQ18~48P +
REYHQ16~24), select the pipe siz
e in accordance with the
follo
wing figure
.
A.
Piping between outdoor unit and refrigerant branc
h kit
B.
Piping between outdoor unit m
ulti connection piping units
Choose from the f
ollo
wing tab
le in accordance with the outdoor unit total capacity type
, connected
do
wnstream.
E.
Piping between refrig
erant branc
h kit and BS unit
Pipe siz
e f
or direct connection to indoor unit m
ust be the same as the connection siz
e of indoor unit.
Choose from the f
ollo
wing tab
le in accordance with the indoor unit total capacity type
, connected
do
wnstream.
Outdoor unit
capacity type (Hp)
Piping outer diameter siz
e (mm)
Indoor unit
capacity type
Piping outer diameter siz
e (mm)
Suction gas pipe
HP/LP gas pipe
Liquid pipe
Suction gas pipe
HP/LP gas pipe
Liquid pipe
8
19.1
15.9
9.5
<150
15.9
12.7
9.5
10
22.2
19.1
9.5
150
≤
x<200
19.1
15.9
9.5
12
28.6
19.1
12.7
200
≤
x<290
22.2
19.1
9.5
14+16
28.6
22.2
12.7
290
≤
x<420
28.6
19.1
12.7
18
28.6
22.2
15.9
420
≤
x<640
28.6
28.6
15.9
20+22
28.6
28.6
15.9
640
≤
x<920
34.9
28.6
19.1
24
34.9
28.6
15.9
≥
920
41.3
28.6
19.1
26~34
34.9
28.6
19.1
36
41.3
28.6
19.1
F.
Piping between refrig
erant branc
h kit or BS unit and indoor unit
Choose from the f
ollo
wing tab
le in accordance with the capacity type of the connected indoor unit.
38~48
41.3
34.9
19.1
Indoor unit
capacity type
Piping outer diameter siz
e (mm)
C.
Piping between outdoor unit m
ulti connection piping kit and outdoor unit
Choose from the f
ollo
wing tab
le in accordance with the capacity type of the connected outdoor unit.
Suction gas pipe
Liquid pipe
20, 25, 32, 40, 50
12.7
6.4
Outdoor unit
capacity type (Hp)
Piping outer diameter siz
e (mm)
63, 80, 100, 125
15.9
9.5
Suction gas pipe
HP/LP gas pipe
Liquid pipe
200
19.1
9.5
8+10
22.2
19.1
9.5
250
22.2
9.5
12
28.6
19.1
12.7
14+16
28.6
22.2
12.7
D.
Equaliz
er piping (outdoor units onl
y)
Piping outer diameter siz
e (mm)
19.1
Ho
w to calculate the ad
ditional refrig
erant to be c
har
g
e
d
Additional refr
iger
ant to be charged R (kg)
R should be rounded off in units of 0.1 kg
Example
f
or refr
iger
ant br
anch using refnet joint and refnet header f
or
REYQ34.
REYQ34 = REMQ8+REMQ16, the indoor unit
connection r
atio = 120% and the piping lengths are as belo
w
.
C
A
B
E
F
C
C
D
D
F
The refr
iger
ant charge of the system m
ust be less than
100 kg.
This means that in case the calculated
refr
iger
ant charge is equal to or more than 95
kg y
ou
m
ust divide y
our m
ultiple outdoor system into smaller
independent systems
, each containing less than 95 kg
refr
iger
ant charge
.
F
or f
actor
y charge
, ref
er to the unit name plate
.
R
=
REYQ
18+20 Hp
22+24 Hp
26 Hp
28+30 Hp
32~40 Hp
42 Hp
44+46 Hp
48 Hp
16~32 Hp
34~48 Hp
B
>100%
≤
130%
0.5
kg
>100%
≤
120%
0.5
kg
>120%
≤
130%
1.0
kg
[(X
1
x
Ø22.2
) x0.37] + [(X
2
x
Ø19.1
) x0.26] +
[(X
3
x
Ø15.9
) x0.18] + [(X
4
x
Ø12.7
) x0.12] +
[(X
5
x
Ø9.5
) x0.059] + [(X
6
x
Ø6.4
) x0.022]
+ A + B
x 1.02
REY(H)Q
A
1.0
kg
1.5
kg
2.0
kg
2.5
kg
3.0
kg
3.5
kg
4.0
kg
4.5
kg
REYHQ
16 Hp
20 Hp
22+24 Hp
A
1.0
kg
1.5
kg
2.0
kg
X
1...6
=
T
otal length (m) of liquid piping siz
e at
Øa
A
=
W
eight according to tab
le A
B
=
W
eight according to tab
le B in function of indoor unit connection r
atio
R
= [
[50x0.26]+[1x0.18]+[3x0.12]+[156x0.059]+[20x0.022]
]x1.02
+3.0+0.5
a :
Ø19.1x30
m
b :
Ø19.1x20
m
c :
Ø9.5x10
m
f :
Ø9.5x10
m
g :
Ø9.5x10
m
h :
Ø9.5x10
m
k :
Ø9.5x20
m
l :
Ø9.5x20
m
p :
Ø6.4x10
m
r :
12.7x3
m
m:
Ø9.5x20 m
s
: Ø9.5x3 m
u :
Ø15.9x1
m
d :
Ø9.5x10
m
e :
Ø9.5x10
m
i :
Ø9.5x10
m
j :
Ø9.5x10
m
n
: Ø9.5x10 m
t
: Ø9.5x3 m
o :
Ø6.4x10
m
= 27.148
⇒
R = 27.1 kg
Содержание REMQ8P9Y1B
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