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A
A
300 m
H
50 m (Outdoor lower H
h
15 m
A
L
r
B
D
b
a
c
d
e
C C
C C C
c1
b1
H
a1
h1
*1
a2
a3
h3
Total piping length
Farthest piping length (L)
Permissible
Piping length between outdoor unit and branch boxes
length
(one-way)
Farthest piping length after branch box (l)
Total piping length between branch boxes and indoor units
Permissible
height differ-
ence
In each branch unit (h2)
(one-way)
In each indoor unit (h3)
*1 Branch box should be placed within the level between the outdoor unit and indoor units.
300 m
150 m
30 m
H
50 m (Outdoor lower H
h
15 m
A
L
r
e
B
C
D
B
a
b
c
d
C
C
C
C
30 m
40 m)
A
B First Branch
C Indoor unit
D Cap
f
C
A Outdoor unit
B Branch box
C Indoor unit
L
b2
h2
I
a5
a6
a7 a8
a4
A
40 m)
B, C, D
C Total capacity of indoor units
a, b, c, d, e, f
C
D Model number
15, 20, 25, 32, 40, 50
F 4-Branching header
CMY-Y64-G-E
pipe size and piping length.
Flared connections
unit sides.
55 m
b2
30 m
25 m
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)
15 m
h2
15 m
h3
12 m
A Liquid pipe
B Gas pipe
ø9.52
A Liquid pipe
B Gas pipe
ø9.52
A Liquid pipe
B Gas pipe
ø6.35
ø12.7
ø9.52
E Branch kit model
CMY-Y62-G-E
G
150 m
25 m)
95 m
15
(mm)
(mm)
(mm)
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