Mitsubishi Electric CITY MULTI PUHY-P108 Service Handbook page 65

[ II Restrictions ]
(3) A combination of line and header branching
Outdoor unit
A
First branch
(Branch joint)
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
C
c
d
B 3 Indoor 4 Indoor
L
b
a
1
Indoor
Operation
Outdoor unit above in-
door unit
Outdoor unit below in-
door unit
- 56 -
A
Note : "Total sum of downstream unit model numbers"
in the table is the sum of the model numbers
of the units after point A in the figure.
Branch header
Note : Pipes from the header may not be
cap
e re-branched.
5 Indoor
2
Indoor
Pipe sections
A+B+C
+a+b+c+d+e
A+B+b
B+b
H
H'
h
To downstream units
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