Publicidad
Idiomas disponibles
Idiomas disponibles
(A)
Header unit
Height difference
between outdoor units
H4
Outdoor unit connection piping kit
Main piping
L1
L2
Branching pipe
First branching
L3
L4
L5
a
b
Indoor unit
L9
L8
Height difference
between outdoor
L10
and indoor units
H1
Flow Selector unit
L13
Multi port type Flow Selector unit
j
Height difference between indoor units connected to the same flow selector
unit
29-EN
(C)
Follower unit
Outdoor unit
(B)
Lc
Follower unit
LO
La
Lb
LA
Branching header
Y-shaped branching joint
L7
c
d
e
Ln
The longest pipe length Flow selector unit group
L12
L11
i
g
h
f
H3
Farthest pipe length
L
Li
The longest pipe length from the first branch
L14
k
l
m
Farthest
indoor unit
n
(N)
H3
– 15 –
◆ Allowable length and allowable height difference of refrigerant pipe
Total extension
of pipe (Real
length of liquid
pipe)
Farthest pipe length L (*1)
Max. length of
main pipe L1
Equivalent length of farthest pipe
Pipe
from 1 st branching Li
length
Equivalent length of farthest pipe between outdoor units
LO
Equivalent length of outdoor unit connecting pipe
Max. real length of pipe from the end branch to the
indoor unit
Max. equivalent length of pipe between branches
Max. real length of pipe from Flow selector unit to the
indoor unit Ln
The total pipe length in one Multi
port type Flow Selector unit (Real
length of liquid pipe)
Height difference
between indoor units
H2
Height difference
between outdoor
and indoor unit
H1
Difference
in height
Height difference
between indoor
units H2
Height difference between indoor units connected to the
same fl ow selector unit H3
Height difference between outdoor units H4
Allowable Length
Item
ft
Single outdoor unit system
1640
Multiple outdoor unit system
3937 (*2)
1200 (*2)
Equivalent length
656
Real length
591
Equivalent length
394
H2 ≤ 49 ft
(15 m)
Reallength
328
Equivalent length
328
H2 > 49 ft
(15 m)
Reallength
279
H1 > 9.8 ft (3 m)
164
H1 ≤ 9.8 ft (3 m)
213
49
33
164
164
115
4 branches (*3)
394
8 or 12 branches
591
(*3)
230
Upper outdoor unit
H2 ≤ 9.8 ft
295 (*4)
90 (*4)
(3 m)
Lower outdoor unit
131
Upper outdoor unit
164
H2 > 9.8 ft
(3 m)
Lower outdoor unit
131
Upper outdoor unit
131
Connection
ratio ≤ 105%
98
Lower outdoor unit
(*5)
9.8 (*6)
Upper outdoor unit
49
Connection
ratio > 105%
49
Lower outdoor unit
(*5)
9.8 (*6)
49
16
Pipe section
m
500
LA + La + Lb + Lc + L1 +
L2 + L3 + L4 + L5 + L6 +
L7 + L8 + L9 + L10 + L11 +
L12 + L13 + L14 + a + b +
c + d + e + f + g + h + i + j
+ k + l + m + n
200
Lc + LA + L1 + L3 + L13 +
L14 + n
180
120
100
L1
100
85
50
L3 + L13 + L14 + n
65
15
LA + Lb, LA + Lc
10
La, Lb, Lc
L4 + a, L5 + b, L6 + c, d,
50
e, L10 + f
L2, L3, L4, L5, L6, L7, L8,
50
L9, L10, L13
L11 + g, L11+ L12 + h, L11
35
+ L12 + i, L14 + m, L14 +
n, j, k , l, m, n
120
L14 + j + k + l + m + n
180
70
40
―
50
40
40
30
3 (*6)
―
15
15
3 (*6)
15
―
5
―
30-EN
Publicidad
