7. Refrigerant piping system
15
Multi V 5
Installation of Outdoor Units
■
Total pipe length = A+B+C1+C2+C3+D+a+b+c+d+e+f+g+i+j+k+l+m+n
≤
1,000
Note
• * : Assume equivalent piping length of Y branch to be 0.5m (1.64ft), that of header to be 1m (3.28ft), calculation
purpose.
• ** : To apply Conditional Application
WARNING
When the any one (or both ) of below conditions are satisfied, the diameter of main pipe (A) must be
increased according to below table.
•
The equivalent length between outdoor unit and the farthest indoor unit is 90m (295ft) or more
(Liquid or Gas pipes are increased in accordance with below table)
•
The level difference (Outdoor unit
↔
Indoor unit) is 50m (164ft) or more (Only liquid pipe is increased)
■
Refrigerant pipe diameter from outdoor unit to first branch. (A)
Note
• * : If available on site, select pipe size from the pipe diameter table according to capacity.
Otherwise it doesn’t need to be increased.
• Model line up could be different in accordance with target region.
Max.pipe length
Total pipe length
(A+B+C1+C2+C3+D+a+b+c+d+e+f+g+i+j+k+l+m+n)
1,000m [3,281ft]
L
Longest pipe length (A+B+C3+D+k)
: between Outdoor Unit and Indoor Unit
150m [492ft]
(200m [656ft]**)
Longest pipe Equivalent length*
: between Outdoor Unit and Indoor Unit
175m [574ft]
(225m [738ft]**)
l
Longest pipe length after 1st branch
40m [131ft]
(90m [295ft]**)
Max.difference in
height
H
Between Outdoor Unit and Indoor Unit
110m [361ft]
h
Between Indoor Unit and Indoor Unit
40m [131ft]
h1
Between Outdoor Unit and Outdoor Unit
5m [16.4ft]
h2
Between Indoor Unit and HR Unit
15m [49.2ft]
a
Between HR Unit and HR Unit
30m [98.4ft]
b
Between HR Unit and HR Unit within same branch
5m [16.4ft]
Upward
Outdoorunit
total capacity
Standard Pipe Diameter
When equivalent pipe length is 90m(295ft) or more from ODU to farthest IDU
HP
Liquid pipe[mm(inch)]
Low Pressure Gaspipe
[mm(inch)]
High Pressure Gaspipe
[mm(inch)]
Liquid pipe[mm(inch)]
Low Pressure Gaspipe
[mm(inch)]
High Pressure Gaspipe
[mm(inch)]
8
Ø 9.52 (3/8)
Ø 19.05 (3/4)
Ø 15.88 (5/8)
Ø 12.7 (1/2)
Not increased
Not increased
10
Ø 9.52 (3/8)
Ø 22.2 (7/8)
Ø 19.05 (3/4)
Ø 12.7 (1/2)
Not increased
Not increased
12
Ø 12.7 (1/2)
Ø 28.58 (1-1/8)
Ø 19.05 (3/4)
Ø 15.88 (5/8)
Not increased
Not increased
14 ~ 16
Ø 12.7 (1/2)
Ø 28.58 (1-1/8)
Ø 22.2 (7/8)
Ø 15.88 (5/8)
Not increased
Not increased
18 ~ 20
Ø 15.88 (5/8)
Ø 28.58 (1-1/8)
Ø 22.2 (7/8)
Ø 19.05 (3/4)
Not increased
Not increased
22
Ø 15.88 (5/8)
Ø 28.58 (1-1/8)
Ø 28.58 (1-1/8)
Ø 19.05 (3/4)
Not increased
Not increased
24
Ø 15.88 (5/8)
Ø 34.9 (1-3/8)
Ø 28.58 (1-1/8)
Ø 19.05 (3/4)
Not increased
Not increased
26 ~ 34
Ø 19.05 (3/4)
Ø 34.9 (1-3/8)
Ø 28.58 (1-1/8)
Ø 22.2 (7/8)
Not increased
Not increased
36
Ø 19.05 (3/4)
Ø 41.3 (1-5/8)
Ø 28.58 (1-1/8)
Ø 22.2 (7/8)
Not increased
Not increased
38 ~ 60
Ø 19.05 (3/4)
Ø 41.3 (1-5/8)
Ø 34.9 (1-3/8)
Ø 22.2 (7/8)
Not increased
Not increased
62 ~ 64
Ø 22.2 (7/8)
Ø 41.3 (1-5/8)
Ø 34.9 (1-3/8)
Ø 25.4 (1) *
Not increased
Not increased
66 ~ 96
Ø 22.2 (7/8)
Ø 53.98 (2-1/8)
Ø 41.3 (1-5/8)
Ø 25.4 (1) *
Not increased
Not increased
Содержание ARUM080LTE5
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