13
English
7.5.
5[UVGORKRKPINGPIVJNKOKVCVKQPU
'ZCORNGQHTGHTKIGTCPVRKRKPIKPFQQTWPKVUCTGEQPPGEVGF
A
B
A
B1
1
2
F
a
b
e
f
g
h
H3
4
3
i
j
D
E
B2
B3
5
6
7
12
d
c
k
n
m
o
p
q
H1
H2
B
r
B4
8
9
t
s
B5
10
11
w
v
u
C
Outdoor unit
Outdoor unit
Outdoor unit
multi connection
piping kit (*1)
: Indoor units (cooling/heating
selectable)
: Branch Selector unit (multi)
B1
-
1
11
: Indoor unit (cooling only)
(*3)
12
: Branch Selector unit (multi)
connected in pass through
B5
B4 ,
: Branch Selector unit (single)
B3
B2 ,
REFNET joint (A-F)
(*1) “
” represents an outdoor unit multi connection piping kit.
The outdoor unit multi connection piping kit must always be installed horizontally, paying attention to the installation restrictions indicated in
|2TGECWVKQPUQPTGHTKIGTCPVRKRKPI
on page 16.
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Outdoor unit
side
Indoor unit
side
Branch Selector
unit
(1)
(2)
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Suction gas pipe
High/low pressure gas pipe
Liquid pipe
(3 lines):
3 pipes
2KRKPIHTQO$TCPEJ5GNGEVQTWPKVUVQVJGKPFQQTWPKVUCPFHTQOTGHTKIGTCPVDTCPEJMKVUVQVJGEQQNKPIQPN[KPFQQTWPKVU
(*2)
(2 lines):
2 pipes
(Suction) gas pipe
Liquid pipe
(*2) The 2-line gas pipe that is branched from the 3-line pipe and goes to the cooling-only indoor units should be connected to the suction gas pipe.
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B(1B0DLQB959B,0LQGG