Restrictions On Pipe Length - Mitsubishi Electric PUHY-HP200 Service Handbook

[ II Restrictions ]

[8] Restrictions on Pipe Length

(1) End branching
HP200, HP250 models
Outdoor unit
A
First branch
(Branch joint)
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
HWE08110
D
L
B
C
a b
1 Indoor 2 Indoor 3
Operation
Outdoor unit above in-
door unit
Outdoor unit below in-
door unit
d
Indoor
4
c
Indoor
Pipe sections
A+B+C+D
+a+b+c+d+e+f
A+B+C+c or
A+D+f
B+C+c or
D+f
H
H'
h
- 40 -
Branch header
cap
e
f
Indoor Indoor
6
5
Unit: m [ft]
Allowable length of
pipes
300 [984] or less
150 [492] or less
(Equivalent length 175
[574] or less)
40 [131] or less
50 [164] or less
40 [131] or less
15 [49] or less
GB