Specifications

856
FDC-HKX
18.5.4 Refrigerant piping
(1) Table for selection of piping size
Outdoor unit
(Main line)
Liquid line
Gas line
Branch pipe set
Branch line
Sum up to down stream capacity
Indoor unit
180 or
more
φ9.52 ×
0.8mm
φ19.05 ×
1.0mm
φ25.4 ×
1.2mm
φ28.58 ×
1.4mm
φ6.35 ×
0.8 mm
φ12.7 ×
1.0 mm
φ15.88 ×
1.0 mm
φ19.05 ×
1.0 mm
φ9.52 × 0.8 mm
φ19.05 ×
1.0 mm
less than 180
(not including 180)
101 or more
less than 180
(not including 101)
φ15.88 ×
1.0 mm
22, 28
36, 45
type
56
71 type
90
112
140 type
φ12.7×
1.0 mm
φ25.4 ×
1.2 mm
DIS -1KX30-E
DIS-1KX10-E
FDC140 type FDC224 type FDC280 type
φ12.7 × 1.0mm
φ9.52 × 0.8 mm
Model Item Mark Branch pipe Item Mark Reducer
DIS-1KX30-EDIS-1KX10-E
Gas lineLiquid lineGas line
Gas lineLiquid lineGas line
Liquid line Liquid line
1
2
3
4
5
6
7
8
119
519
φ
15.88
φ
19.05
φ
25.4
φ
15.88
φ
19.05
φ
25.4
φ
12.7
ID
ID
OD
25.4
ID
28.58
ID 38.1
ID 34.92
ID 31.8
OD
25.4
370
87
φ
9.52
φ12.7
φ
12.7
φ
9.52
φ
6.35
ID ID
424
94.5
φ
12.7
φ
19.05
φ
15.88
ID φ
12.7
φ
19.05
φ
15.88
ID
370
ID φ
9.52
ID φ
12.7
ID φ
9.52
ID φ
12.7
ID φ
6.35
87
100
155
ID
19.05
ID
15.88
OD
12.7
120
ID
28.58
ID
25.4
OD
19.05
120
Notes
Notes
(1)This shows the total capacity of the indoor units connected after indicated branch pipe.
(2)When the diameter of the opening between the flow divider coupling and the unit must be adjusted, be sure to make the adjustment on
the flow divider pipecoupling side.
(1)The gas side flow divider pipe is insulated.
(2)Cut piping in the center on site in the area it will be used.
Diameter is same as above dimensions
Diameter is same as above dimensions
Diameter is same as above dimensions
Diameter is same as above dimensions
¡ Branch pipe set shapes