4.2.2.3 Oil Trap and Inverted Trap
Table 4-13 Refrigerant pipe components
Item Specications
Liquid pipe L ≤ 60 m: R410A copper pipe; outer diameter of 5/8 inch (15.88
mm); wall thickness of 1.0 mm; operating pressure > 4.5 MPa
60 m < L ≤ 100 m: R410A copper pipe; outer diameter of 3/4 inch
(19.05 mm); wall thickness of 1.0 mm; operating pressure > 4.5
MPa
Gas pipe R410A copper pipe; outer diameter of 7/8 inch; thickness of 1.2
mm; operating pressure ≥ 4.5 MPa
Thermal
insulation
foam
Thickness: ≥ 9.2 mm
Oil trap
and
inverted
trap
When the outdoor unit is installed at a position higher than the
indoor unit, install an oil trap every ve 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 Oil trap and inverted trap (unit: mm)
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 4 Installation
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 54
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