Huawei NetCol5000-A - Page 36

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
3 Installation Guide
Issue 01 (2017-07-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Oil trap and inverted trap: Install an oil trap every five to six meters in the vertical
direction along the gas pipe and an inverted trap for the inlet and outlet of the outdoor
unit to ensure system reliability.
Figure 3-3 Specifications for oil traps and inverted traps (unit: mm)
Table 3-8 Specifications for oil traps and inverted traps
No.
Name
Outer Diameter and
Thickness (mm)
Technical Requirements
1
Oil trap
22.2 x 1.2
The flaring inner diameter of the
copper pipe is 22.4 mm, and the
necking outer diameter is 19.5 mm.
2
Inverted trap of
gas pipes
22.2 x 1.2
The flaring inner diameters at both
ends of the copper pipe are 22.6 mm.
3
Inverted trap of
liquid pipes
19.0 x 1.0
Inner diameters at the two expanded
ends of the copper pipe: 19.0 mm
4
Inverted trap of
liquid pipes
15.9 x 1.0
The flaring inner diameters at both
ends of the copper pipe are 16.3 mm.
Note: The surface of molded parts must be even.