Mitsubishi PUHY-P250YJM-A - Refrigerant Pipe Length Restrictions

[ II Restrictions ]
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HWE1018A GB
[5] Restrictions on Pipe Length
1. Sample connection
(1) System with one refrigerant circuit (P500 model)
(2) System with two refrigerant circuits (P250, P500 models)
Unit: m [ft]
Operation Pipe sections Allowable length of pipes
Length Between outdoor units A+B 10 [32] or less
Total pipe length (L) from the outdoor unit to
the farthest indoor unit
A(B)+C
165 [541] or less
(Equivalent length 190 [623] or less)
Height
difference
Between indoor and outdoor units H 50m [164ft] or less (40m [131ft] or
less when the outdoor unit is lower,
15m [49ft] when the outdoor temper-
ature is 10°C [50°F] or lower)
Between outdoor units h1 0.1 [0.3] or less
Allowable length Total pipe length (L) from the outdoor
unit to thefarthest indoor unit
Actual length 165m [541ft] or less
Allowable height
difference
Height difference between the indoor
and the outdoor units (H)
50m [164ft] or less (40m [131ft] or less when the outdoor
unit is lower, 15m [49ft] when the outdoor temperature is
10°C [50°F] or lower)
Outdoor unit
Indoor
L
H
h1
B
C
A
L
L
H
A
Outdoor unit
Indoor