Huawei NetCol8000-E220 User Manual page 172

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
After removing the valve, seal the suction vent immediately to ensure that the system is clean
and moisture does not enter the pipe.
2.
3.
Do not move the compressor by moving its air exhaust vent.
4.
5.
Step 8 Secure the compressor bracket to the cabinet interior using a 13# socket wrench.
Step 9 Install the electric heating belt and compressor ground cable, remove the connection box
cover, and reinstall the cover after the compressor cables are connected.
Step 10 Vacuumize the system and precharge refrigerant.
Issue 02 (2019-10-10)
Heat the air intake angle valve joints using a heat gun for 10 minutes. Secure the angle
nut and pipe nut on the air intake side, using two 30# adjustable wrenches respectively.
Then loosen the adjustable nut using a 30# adjustable wrench to separate the pipe from
the angle valve. After removing the valve, seal the suction vent immediately.
Remove the two M8 screws below the compressor bracket, using a 13# socket wrench
(or solid wrench).
Remove the four nut washers and spring washers that secure the compressor and the
bracket using a 13# socket wrench (or solid wrench), and remove the compressor.
Figure 6-8 Removing a compressor bracket
Secure the new compressor to the bracket again using a solid wrench.
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6 System Operation and Maintenance
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