Partially Charging In Refrigerant - Huawei NetCol5000-A021 User Manual

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)

5.2.4 Partially Charging in Refrigerant

Prerequisites
Before refrigerant charging, ensure that the air is exhausted from the hose connecting to the
steel vessel of the refrigerant.
Context
Wear protective gloves when handling refrigerant.
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Procedure
Step 1 Replace the vacuum pump with the steel vessel of liquid refrigerant, as shown in
Issue 03 (2020-01-10)
Charge the refrigerant (R410A) after checking that the cooling system does not leak and
the vacuum meets the requirements.
Charge refrigerant as required upon calculation shown in
Refrigerant and Refrigerant Oil to Be
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5.2.1 Requirements of
Charged. Otherwise, the device may be damaged.
5 Power-On Commissioning
Figure 5-3.
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