Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 891

(2) Table for selection of piping size
Model
Item
Outdoor unit
Main piping
No. 1 branch
Less than 101
Total indoor unit
down-flow capac-
101 to less than 180
ity after the sec-
ond branch.
180 or more
Notes (1) If adjustment is required between the branch connection and the unit port, always make the adjustment on the branch connection side.
(2) The selection of piping size and branch piping, total all the indoor unit down flow capacity for that piping and branch piping.
¡ Branch pipe set shapes
Model Item Mark
1
2
3
4
5
6
Notes (1)The gas side flow divider pipe is insulated.
(2)Cut piping in the center on site in the area it will be used.
FDC 140 type
Gas line Liquid line Branch used
φ19.05 φ9.52
φ19.05 φ9.52
φ19.05 φ9.52
DIS-2KX20-E
φ15.88
DIS-2KX10-E
φ9.52
φ19.05
DIS-2KX20-E
Branch pipe
519
370
424
370
Diameter is same as above dimensions
424
Diameter is same as above dimensions
370
Diameter is same as above dimensions
FDC 224 type
Gas line Liquid line Branch used
φ25.4 φ12.7
φ25.4 φ12.7
φ25.4 φ12.7
DIS-2KX30-E
φ15.88
DIS-2KX10-E
φ9.52
φ19.05
DIS-2KX20-E
φ25.4 φ12.7
DIS-2KX30-E
Item Mark
ID
7
25.4
ID
8 28.58
FDC-HKX
FDC 280 type
Gas line Liquid line Branch used
φ28.58 φ12.7
φ28.58 φ12.7
φ28.58 φ12.7
DIS-2KX30-E
φ15.88
DIS-2KX10-E
φ9.52
φ19.05
DIS-2KX20-E
φ25.4 φ12.7
DIS-2KX30-E
Reducer
OD
19.05
70
OD
25.4
70
889