Tool Name, Specications, and Appearance
Clamp meter Electronic scale Antifreeze gloves
Reducing valve
d
a: The pressure gauges and rubber hoses must be dedicated for R410A. The
measuring range of the pressure gauges must be at least 4.0 MPa, and the
rubber hoses must withstand a pressure of at least 4.5 MPa. Ensure that the
rubber hoses match the 1/4 inch needle valves inside the unit. If necessary,
prepare needle valve adapters. When charging refrigerant, you are advised to
use a safety valve to prevent refrigerant leakage during the removal of a rubber
hose, which may cause frostbite.
b. The
airow of the vacuum pump should be within 2–4 L/s and the absolute
vacuum degree should be less than or equal to 60 Pa.
c: Dry nitrogen
d: A reducing valve should be used on the nitrogen cylinder port. The measuring
range of the reducing valve should be at least 4.0 MPa.
4.2.2 Preparing Materials
Item
Description Type
Standard
material
This type of materials is
provided by Huawei, and you
can nd them in the ttings
delivered with the equipment.
Materials in the packing list
Auxiliary
material
Customers can purchase this
type of materials from Huawei
or other vendors.
Refrigerant, refrigerant oil,
pipe component, and cable
Optional
material
Customers can purchase this
type of materials from Huawei
based on application
scenarios.
Low temperature component,
T/H sensor, water sensor, and
smoke sensor
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 4 Installation
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 51
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