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Mitsubishi Electric PURY-HP72 Service Handbook page 64

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[2-10 Restrictions on Refrigerant Pipes ]
(2) System that requires more than 16 BC controller ports or with multiple BC controllers <Outdoor unit HP96 model or
below>
Outdoor unit
H
H'
Reducer (P06 - P18 models)
(Supplied with the BC Controller)
h1
(P06 - P54 models)
Operation
Length
Total pipe length
Total pipe length from the out-
door unit to the farthest indoor
unit
Between outdoor unit and BC
controller
Between BC controller and in-
door unit
Height
differ-
Between indoor
ence
and outdoor
units
Between indoor unit and BC
controller
Between indoor units
Between the BC controller
(main or sub) and the sub BC
controller
*1. When the overall pipe length between the BC controller and the farthest indoor unit exceeds 40m [131ft], observe the
restrictions in the figure titled "Restrictions on pipe length" below. (Except the P96 models)
*2. When the capacity of the connected indoor units is P72 or above, use the figures in the parentheses as a reference.
HWE13080
A
BC controller (main)
C
Branch joint
(CMY-Y102S-G2)
B
Junction pipe
a
b
(CMY-R160-J)
Indoor
Indoor
(P72 - P96 models)
Maximum of 3 units per port
Total capacity of P54 or below
Pipe sections
A+B+C+D+E+a+b+c+d+e+f
A+C+E+f
B+d or C+D+e
or C+E+f
Outdoor unit
above in-
door unit
Outdoor unit
below in-
door unit
- 53 -
Branch joint
(CMY-Y202-G2)
(CMY-Y102L-G2)
(CMY-Y102S-G2)
BC controller (sub)
D
BC controller (sub)
E
d
c
Indoor
Indoor
Refer to the restrictions on the total pip-
ing length in the graphon the next page.
(Equivalent length 190 [623] or less)
A
H
H'
h1
h2
h3
Indoor
e
h1
h3
h2
h1
f
Indoor
Unit: m [ft]
Allowable length of pipes
165 [541] or less
110 [360] or less
*1
40 [131] or less
50 [164] or less
40 [131] or less
*2
15 [49](10[32]) or less
*2
15 [49](10[32]) or less
15 [49] or less
GB

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