Limitations on the installation
3. Limitations values on the piping work .
L1
A
L2
L3
L4
h
B
H +
C
H -
D
The piping length information, please refer the following table.
Item | Unit | Descriptions |
| Standard | Maximum | |
| ||||||
A, B, C,D liquid pipe | mm | Size of the liquid side connection pipe |
| 6.35 | / | |
A, B, C,D Gas pipe | mm | Size of the gas side connection pipe |
| 9.52 | / | |
|
|
|
|
|
|
|
L1 | (one way) | m | Pipe length when the compressor connects with two indoor units |
| 10 | 25 |
|
|
|
|
|
|
|
L2 | (one way) | m | Pipe length when the compressor connects with two indoor units |
| 10 | 25 |
|
|
|
|
|
|
|
L3 | (one way) | m | Pipe length when the compressor connects only one indoor unit |
| 10 | 25 |
|
|
|
|
|
|
|
L4 | (one way) | m | Pipe length when the compressor connects only one indoor unit |
| 10 | 25 |
|
|
|
|
|
| |
L1+L2+L3+L4 | m | Total liquid piping length(It is no need to charge additional |
| 40 | 60 | |
|
|
| refrigerant within this value) |
|
|
|
h |
| m | Drop between every two indoor units |
| 1 | 5 |
|
|
|
|
|
|
|
H + |
| m | Drop between the outdoor unit and the indoor unit |
| 5 | 15 |
H - |
| m | Drop between the outdoor unit and the indoor unit |
| 5 | 10 |
9
