Filter
Top Products
[ II Restrictions ]
- 66 -
HWE09080 GB
(3) System that requires more than 16 BC controller ports or with multiple BC controllers <Heat source unit P144 model
or above>
Unit: m [ft]
Operation Pipe sections Allowable length of pipes
Length Total pipe length F+G+A+B+C+D+E+a+b+c+d+e
+f
Refer to the restrictions on the total pip-
ing length in the graph on the next page.
Total pipe length from the heat
source unit to the farthest in-
door unit
F(G)+A+C+E+f 165 [541] or less
(Equivalent length 190 [623] or less)
Between heat source unit and
BC controller
F(G)+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 model).
Between heat source units F+G 5 [16] or less
Height
differ-
ence
Between indoor
and heat source
units
Heat source
unit above
indoor unit
H 50 [164] or less
Heat source
unit below
indoor 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
Between heat source units h4 0.1 [0.3] or less
h1
h3
h1
h2
f
D
E
e
Branch joint : CMY-Q100VBK
On the low-pressure side, the twinning kit connects to the pipes on site inside the heat source unit.
When different capacity units are combined, connect the kit to the larger capacity heat source unit.
a
C
b
B
cd
A
G
F
h4
Heat source unit
1
Heat source unit
2
HH'
h1
BC controller (main)
Indoor Indoor Indoor Indoor
Indoor
Indoor
BC controller (sub)
BC controller (sub)
Branch joint
(CMY-Y202-G2)
(CMY-Y102L-G2)
(CMY-Y102S-G2)
Branch joint
(
CMY-Y102S-G2)
(P06 - P54 models) (P72 or P96 model)
Maximum of 3 units per port
Total capacity of P54 or below
Reducer (P06 - P18 models)
(Supplied with the BC Controller)
Junction pipe
(CMY-R160-J)