Daikin RZQ100B8V3B Service Manual page 53

ESIE05-03
Refrigerant pipe
size
Model
RZQ71
RZQ100~140
Model
RZQ71~140
Part 1 – System Outline
Pipe size down and pipe size up is available for main piping (L1) only.
Not using the standard pipe size may result in capacity decrease. It is up to the installer to judge
on this phenomenon carefully in function of the complete installation.
Refrigerant pipe size
Gas pipe
Size-down Standard size
φ 12.7
φ 15.9
––
Liquid pipe
Size-down Standard size
φ 6.4 φ 9.5
Functional Diagrams
1
Size-up
––
φ 19.1
Size-up
3
φ 12.7
4
5
1–31