–
60 m < L ≤ 100 m: R410A copper pipe; outer diameter of 1 inch (25.4
mm); wall thickness of 1.2 mm; operating pressure > 4.5 MPa
●
Thermal insulation foam: thickness ≥ 13 mm
●
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 4-22 Specifications for oil traps and inverted traps (unit: mm)
Table 4-2 Specifications for oil traps and inverted traps
No.
Name
Outer Diameter
and Thickness
(mm)
Technical Requirements
1
Oil trap
22.2x1.2
Inner diameter at the expanded
end of the copper pipe: 22.4 mm;
outer diameter at the shrunk end:
19.5 mm
2
Oil trap
25.4x1.2
Inner diameter at the expanded
end of the copper pipe: 25.8 mm;
outer diameter at the shrunk end:
22.6 mm
3
Inverted trap of
gas pipes
22.2x1.2
Inner diameters at the two
expanded ends of the copper pipe:
22.6 mm
4
Inverted trap of
gas pipes
25.4x1.2
Inner diameters at the two
expanded ends of the copper pipe:
25.8 mm
NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual
4 System Installation
Issue 05 (2020-10-10)
Copyright © Huawei Technologies Co., Ltd.
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