(2) Header branching
Length
Total pipe length
Total pipe length (L) from the outdoor unit to the
farthest indoor unit
Total pipe length from the first branch to the far-
thest indoor unit ( )
Height
Between indoor and
difference
outdoor units
Between indoor units
Outdoor unit
Note:Pipes from the header may not be re-branched.
A
L
First branch
a
c
e
b
d
Indoor Indoor
Indoor Indoor Indoor
1
2
3
4
5
Operation
Outdoor unit above in-
door unit
Outdoor unit below in-
door unit
- 55 -
cap
f
Indoor
6
Pipe sections
A+a+b+c+d+e+f
A+f
f
H
H'
h
[ II Restrictions ]
Unit: m [ft]
Allowable length of
pipes
300 [984] or less
150 [492] or less
40 [131] or less
50 [164] or less
40 [131] or less
15 [49] or less