SiEN34-705
Appendix
General Information
139
7.5 Pipe Size Selection
7.5.1 Heat Pump 50Hz/60Hz, Cooling Only 50Hz (RX(Y)Q5~54P, 50PH)
Pipe size selection
Piping between Outdoor unit and first refrigerant branch kit.
Piping between first Outdoor unit multi connection piping kit and first refrigerant branch kit. (Part A)
!
Choose from the following table in accordance with the outdoor unit capacity type.
Piping between Outdoor unit multi connection piping kits. (Part B)
Piping between outdoor unit and Outdoor unit multi connection piping kit. (Part C)
!
Choose from the following table in accordance with the total capacity type of all the outdoor
units connected above Outdoor unit multi connection piping kit.
(Unit:mm)
(See 7.7 Note 1)
Temper grade and wall thickness for pipes.
(Temper grade, O type and 1/2H type indicate the material types specified in JIS H 3300.)
(Unit:mm)
Outdoor unit capacity type
Piping size (O.D.)
Gas pipe
Liquid pipe
5HP type
φ
15.9
φ
9.5
8HP type
φ
19.1
10HP type
φ
22.2
12~16HP type
φ
28.6
φ
12.7
18~22HP type
φ
15.9
24HP type
φ
34.9
26~34HP type
φ
19.1
36~54HP type
φ
41.3
Temper grade
O Type
1/2H Type
Copper tube O.D
φ
6.4
φ
9.5
φ
12.7
φ
15.9
φ
19.1
φ
22.2
φ
25.4
φ
28.6
φ
31.8
φ
34.9
φ
38.1
φ
41.3
Copper tube W.T
(Minimum requirement)
0.80
0.80
0.80
0.99
0.80
0.80
0.88
0.99
1.10
1.21
1.32
1.43
For the m
u
lti o
u
tdoor
u
nit
s
y
s
tem,
s
elect in
a
ccord
a
nce with the following fig
u
re.
Caution
The thickne
ss
of the pipe
s
in the t
ab
le
s
how
s
the re
qu
irement
s
of J
a
p
a
ne
s
e
High Pre
ssu
re G
as
Control low. (A
s
of J
a
n. 200
3
)
The thickne
ss
a
nd m
a
teri
a
l
s
h
a
ll
b
e
s
elected in
a
ccord
a
nce with loc
a
l code.
P
a
rt C
P
a
rt B
P
a
rt A
Содержание RXYQ5PY1
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