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9.2. Refrigerant piping system
Connection Example
[Fig. 9.2.1]
[Outdoor model : P72 ~ P96]
A
A
B
C
B
a
b
c
C
C
C
[Outdoor model : P144 ~ P192]
unit 1
unit 2
A
A
A
A
1
2
A
E
A Outdoor unit
C Indoor unit
E Outdoor Twinning Kit
* The total length of A1 and A2 is less than 10 m [32 ft].
A
Unit combination
Outdoor model
unit 1
-
P72
-
P96
P72
P144
P96
P192
B, C, D
Total capacity of indoor units
~ 54
55 ~ 72
73 ~ 108
109 ~ 144
145 ~ 234
a, b, c, d, e
Model number
Liquid pipe
06, 08, 12, 15, 18
ø6.35 [1/4]
24, 27, 30, 36, 48, 54
ø9.52 [3/8]
72
ø9.52 [3/8]
96
ø9.52 [3/8]
8
e
D
d
C
C
B
C
D
B
a
b
c
d
C
C
C
C
B 1st branch
D Cap
F Header
A
unit 2
Liquid pipe
Gas pipe
-
ø12.7 [1/2]
ø19.05 [3/4]
-
ø12.7 [1/2]
ø22.2 [7/8]
P72
ø15.88 [5/8]
ø28.58 [1-1/8]
ø15.88 [5/8]
ø28.58 [1-1/8]
P96
(Unit: mm [in])
Liquid pipe
Gas pipe
ø9.52 [3/8]
ø15.88 [5/8]
ø9.52 [3/8]
ø19.05 [3/4]
ø9.52 [3/8]
ø22.2 [7/8]
ø12.7 [1/2]
ø28.58 [1-1/8]
ø15.88 [5/8]
ø28.58 [1-1/8]
(Unit: mm [in])
Gas pipe
ø12.7 [1/2]
ø15.88 [5/8]
ø19.05 [3/4]
ø22.2 [7/8]
A
A
B
a
b
C
C
u n i t 1
A
A
1
e
C
A1
Liquid pipe
Gas pipe
-
-
ø12.7 [1/2]
ø19.05 [3/4]
ø12.7 [1/2]
ø22.2 [7/8]
Downstream unit model total
~ 72
73 ~ 144
145 ~ 234
The 1st branch of P144 ~ P234
4-Branch header
(Downstream indoor
< =
unit model total
72)
CMY-Y104-G
Outdoor model
P144 ~ P192
F
D
c
d
e
C
C
C
u n i t 2
A
A
2
F
A
B
E
a
b
c
d
e
C
C
C
C
C
A2
Liquid pipe
Gas pipe
-
-
-
-
ø12.7 [1/2]
ø19.05 [3/4]
ø12.7 [1/2]
ø22.2 [7/8]
Joint
CMY-Y102S-G2
CMY-Y102L-G2
CMY-Y202-G2
8-Branch header
10-Branch header
(Downstream indoor
(Downstream indoor
< =
unit model total
144)
unit model total
CMY-Y108-G
CMY-Y1010-G
Outdoor Twinning Kit
CMY-Y100VBK2
D
(Unit: mm [in])
-
-
< =
234)
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