Huawei NetCol5000-A021 User Manual page 208

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)

Use copper welding rods to weld the connection ports and check that the welding joints
are in good condition, without poor soldering.

To avoid burning the internal components, other pipes, thermal insulation foam, power
cables, and labels, take protective measures, such as spreading wet cloth, around the
welding position.

Do not use face-down bonding.
Figure 6-15 Removing a welded filter dryer
1.
2.
3.
Step 5 Install the threaded filter dryer, as shown in
Issue 03 (2020-01-10)
Remove the hold hoop from the filter dryer and the pipe clamp from the above of the
sight glass using a Phillips screwdriver.
Weld off the entrance elbow below the filter dryer and the exit above the sight glass, and
remove the assembly of the filter dryer and sight glass.
Weld off the entrance of the sight glass to remove the sight glass from the assembly.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Figure 6-16.
200