Mitsubishi PUHY-EP250 - 2-10 Restrictions on Refrigerant Pipes

[2-10 Restrictions on Refrigerant Pipes ]
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HWE12050 GB
2-10 Restrictions on Refrigerant Pipes
2-10-1 Restrictions on Refrigerant Pipe Length
(1) EP200 - EP450YKM models
Unit: m [ft]
Operation Pipe sections
Allowable length of
pipes
Length Total pipe length A+B+C+D
+a+b+c+d+e+f
1000 [3280] or less
Total pipe length (L) from the outdoor unit to the
farthest indoor unit
A+B+C+c or
A+D+f
165 [541] or less
(Equivalent length 190
[623] or less)
Total pipe length from the first branch to the far-
thest indoor unit ( )
B+C+c or
D+f
40 [131] or less
*1
*1. If the piping length exceeds 40 meters (but does not exceed 90 meters), use one-size larger pipes for indoor unit
liquid pipes. Depending on the vertical separation between indoor and outdoor units, it may not be necessary to
upgrade the pipe size. Consult your dealer for more information.
Height
difference
Between indoor and
outdoor units
Outdoor unit above in-
door unit
H 50 [164] or less
Outdoor unit below in-
door unit
H' 40 [131] or less
Between indoor units h 15 [49] or less
*2
*2. If the piping length exceeds 15 meters (but does not exceed 30 meters), use one-size larger pipes for indoor unit
liquid pipes.
L
B
e
h
f
6
1
a
c
b
3
2
5
A
D
C
d
4
H
H
'
Branch joint
Indoor Indoor Indoor
Indoor Indoor Indoor
cap
Branch header
(Outdoor unit above indoor unit) (Outdoor unit below indoor unit)
Outdoor unit
First branch
(Branch joint)