B
A
H
B
C
L
r
D
e
a
h
b
c
d
C
C
B
A
A
A
a
b
c
d
C
D
e
f
H
h
L
r
C
C
C
C C C C C
A
(mm)
A
Liquid pipe
B
Gas pipe
380<3
ø9.52
¡
B, C, D
(mm)
C
Total capacity of indoor units
A
Liquid pipe
B
Gas pipe
ø9.52
¡
a, b, c, d, e, f
(mm)
D
Model number
A
Liquid pipe
B
Gas pipe
15, 20, 25, 32, 40, 50
ø6.35
ø12.7
ø9.52
¡
E
Branch kit model
CMY-Y62-G-E
F
4-Branching header
G
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CMY-Y64-G-E
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pipe size and piping length.
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A
2XWGRRU8QLW
B
First Branch
C
Indoor unit
D
Cap
$%&'DEFGH
[
300 m
/ $%&'H
[
150 m
Ɛ %&'H
[
30 m
H
[
50 m (Outdoor lower H
[
40 m)
h
[
15 m
$DEFGHI
[
300 m
/ $I
[
PƐ I
[
30 m
H
[
50 m (Outdoor lower H
[
40 m)
h
[
15 m
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Flared connections
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unit sides.
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5HIULJHUDQWSLSHVDUHXVHGWRFRQQHFWWKHEUDQFKER[DQGRXWGRRUXQLW
)LJ
L
I
h2
b2
b1
c1
a6
a5
a4
a3
a2
h3
h1
H
a1
a7 a8
A
Outdoor unit
B
Branch box
C
Indoor unit
Permissible
length
(one-way)
Total piping length
FEEDDDDDDDD
[
150 m
Farthest piping length (L)
FED
[
PE
[
PD
[
25 m)
Piping length between outdoor unit and branch boxes
FEE
[
55 m
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b2
[
30 m
Farthest piping length after branch box (l)
D
[
25 m
Total piping length between branch boxes and indoor units
DDDDDDDD
[
95 m
Permissible
height differ-
ence
(one-way)
,QLQGRRURXWGRRU
H
[
50 m (In case of outdoor unit is set higher than indoor unit)
H
[
40 m (In case of outdoor unit is set lower than indoor unit)
,QEUDQFKER[LQGRRUXQLWVHFWLRQK
KK
[
15 m
In each branch unit (h2)
h2
[
15 m
In each indoor unit (h3)
h3
[
12 m
1XPEHURIEHQGV
_FED__FED__FED__FED__FED__FED_
_FED__FED_
[
15
*1 Branch box should be placed within the level between the outdoor unit and indoor units.
*1
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