Huawei NetCol5000-A021 User Manual page 209

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
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Weld the exit straight tube and the sight glass to form an assembly, which is then welded
to the original position in the smart cooling product. Weld the entrance elbow to the smart
cooling product. Then install the threaded filter dryer on the smart cooling product. Note
that the arrow direction on the filter dryer identifies the flow direction of the refrigerant.
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Do not use face-down bonding.
Figure 6-16 Installing a threaded filter dryer
1.
2.
3.
4.
Issue 03 (2020-01-10)
Weld the entrance of the removed sight glass to the straight tube (with a thread connector)
at the exit of the filter dryer.
Weld the assembly of the sight glass and exit straight tube of the filter dryer to the
original position in the smart cooling product. Install the sight glass at a proper angle and
make the glass surface face outwards so that you can observe the sight glass from the
rear door.
Weld the entrance elbow (with a thread connector) of the filter dryer to the smart cooling
product.
Remove the plastic plug from the port of the new filter dryer.
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6 System Operation and Maintenance
201