Commissioning Preparations; Checking Before Power-On; Circuit Breakers - Huawei NetCol5000-A035 User Manual

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width)
Step 4 Open pressure gauge valves and the refrigerant steel vessel valve shown in
5-3
Do not move the pipe or steel vessel when charging refrigerant. Otherwise, the
value on the electric balance is influenced.
Step 5 Charge at least another 10 kg refrigerant (15 kg for a unit with a low-temperature
unit). The amount injected must not be more than the total injection amount. The
rest refrigerant is to be charged during power-on and commissioning.
Step 6 After refrigerant charging, close pressure gauge valves and the refrigerant steel
vessel valve.
----End

5.3 Commissioning Preparations

5.3.1 Checking Before Power-on

1.
2.
3.
4.

5.3.2 Circuit Breakers

Before commissioning the NetCol5000-A, familiarize yourself with the names and
positions of all circuit breakers, as shown in
Issue 17 (2020-10-22)
to charge refrigerant.
NO TICE
NO TE
After the injection is completed, tighten the needle valve bonnet, and check whether the
needle valve leaks by applying soap bubbles to the valve vent or using a halogen leak
detector. If the valve leaks, contact Huawei technical support.
The installation verification has been performed by referring to
Connections Verification.
The input voltage and frequency of the power source are within the nominal
ranges, and the phase sequence is correct.
The inlet and outlet air for the outdoor unit is smooth.
Make sure that the doors, windows, floor, and ceiling of the datacenter room/
container environment are sealed well.
Copyright © Huawei Technologies Co., Ltd.
5 Power-On Commissioning
Figure 5-4.
Figure
3.12
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