2. Weld o the entrance elbow below the lter dryer.
3. Weld o the lter dryer assembly include lter dryer and entrance elbow
from the above of the lter dryer.
4. Weld o the entrance elbow from the lter dryer assembly and take out the
lter dryer.
Step 5 Install the new lter dryer, as shown in Figure 4-29.
● Weld the entrance elbow and the new lter dryer to form an assembly, and
then weld the assembly to the original position. Note that the arrow direction
on the lter dryer identies the ow direction of the refrigerant.
● Do not use face-down bonding.
Figure 4-29 Installing the lter dryer
1. Remove the rubber plug sealing the port of the new lter dryer.
2. Weld the removed entrance elbow and the new lter dryer to form a new
assembly.
3. Weld the assembly to the original position.
4. Secure the hold hoop in reverse order of removing it.
Step 6 Reinstall the liquid pipe NTC temperature sensor.
Step 7 Perform a leakage test with nitrogen again.
Step 8 After checking that the smart cooling product does not leak, vacuumize the smart
cooling product and charge refrigerant.
----End
4.2.2.10 (Optional) Replacing the Liquid Level Detector
Prerequisites
● The liquid level detector needs to be replaced.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
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