Vivax ACP-48COFM140GEEI, User Manual

Page: 19 / 110

14
6.3
Dimension of Connecting Pipe
Table 4
Sorts
Gas Pipe
(mm)
Liquid Pipe
(mm)
Capacity of indoor
unit(Btu/h)
7000,9000,12000
Φ9.52 Φ6.35
18000
Φ12.7 Φ6.35
21000,24000
Φ15.9 Φ9.52
Outdoor unit
ACP-48COFM140GEEI
Φ15.9 Φ9.52
ACP-56COFM164GEEI
Φ15.9 Φ9.52
Between outdoor unit
and the 1st branch
The pipe L1
Φ19.05 Φ9.52
Between the 1st and the
2nd branch
The pipe L2
Φ15.9 Φ9.52
6.4 Connection of Branch Pipe
1) If two or three BU modules used, Y-type branch pipe of FQ01A/A will be chosen.
FQ01A/A (Liquid pipe) FQ01A/A (Gas pipe)
Fig. 12
2) Y-type branch pipe is equipped with auxiliary tubes to adjust the diameter of different pipes. If
the dimension of the pipe selected is different from the dimension of branch pipe joint, Cut the
copper tube in the middle with tube cutter and clear up burrs. Please do that as following
figure.
Fig. 13
3) Y-type branch pipe must be installed in vertical or horizontal direction. In the inlet of the
branch pipe, keep at least 500mm straight pipe.