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[ II Restrictions ]
- 45 -
HWE0803A GB
(2) System that requires more than 16 BC controller ports or with multiple BC controllers <Outdoor unit P120 model or
below.>
Unit: m [ft]
Operation Pipe sections Allowable length of pipes
Length Total pipe length A+B+C+D+E+a+b+c+d+e+f Refer to the restrictions on the total pip-
ing length in the graphon the next page.
Total pipe length from the out-
door unit to the farthest indoor
unit
A+C+E+f 165 [541] or less
(Equivalent length 190 [623] or less)
Between outdoor unit and BC
controller
A 110 [360] or less
Between BC controller and in-
door unit
B+d or C+D+e
or C+E+f
40 [131] or less
*1
*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)
Height
differ-
ence
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 unit and BC
controller
h1 15 [49](10[32]) or less
*2
*2. When the capacity of the connected indoor units is P72 or above, use the figures in the parentheses as a reference.
Between indoor units h2 15 [49](10[32]) or less
*2
Between the BC controller
(main or sub) and the sub BC
controller
h3 15 [49] or less
Branch joint
(CMY-Y202-G2)
(CMY-Y102L-G2)
(CMY-Y102S-G2)
Branch joint
(
CMY-Y102S-G2)
a
C
b
HH'
h1
h1
B
c
d
f
h3
D
E
A
e
h1
h2
Outdoor unit
BC controller (main)
BC controller (sub)
BC controller (sub)
Indoor Indoor Indoor Indoor
Indoor
Indoor
Reducer (P06 - P18 models)
(Supplied with the BC Controller)
(P06 - P54 models) (P72 or P96 models)
Maximum of 3 units per port
Total capacity of P54 or below
Junction pipe
(CMY-R160-J)