Huawei NetCol5000-A025 - Material Preparations

Appearance, Specications, and Name
Clamp meter Electric balance
(measurement
range ≥ 25 kg,
precision ≤ 50 g)
Antifreeze gloves Multimeter
Nitrogen
c
Reducing valve
d
N/A N/A
N/A N/A
a: The pressure gauge and leather hose should be dedicated for R410A. The
measurement range of the pressure gauge must be greater than or equal to 4.0
MPa. The pressure tolerance range of the leather hose must be greater than or
equal to 4.5 MPa. The size of the needle valve in the smart cooling product is
1/4 inch. Purchase a conversion adapter if you have a dierent size of valve on
leather hoses. When charging refrigerant, you are advised to use a safety valve
to prevent refrigerant leakage during the removal of the leather hose, which
may cause frostbite.
b: The
airow between 7.2m³/h and 14.4m³/h is recommended. Absolute
vacuum ≤ 60 Pa.
c: Dry nitrogen.
d: A reducing valve is required at the outlet of the nitrogen cylinder, and the
reducing valve range ≥ 4.0 MPa.
3.1.2 Material Preparations
Materials are classied to Huawei-provided, self-purchased, and onsite prepared
materials, which are marked as mandatory, optional, and engineering purchasing
in this document.
● Mandatory: materials that are provided by Huawei and can be found in the
delivered
ttings.
● Optional: materials that can be purchased from Huawei or any other vendor
(if you have ordered the materials from Huawei, you do not need to purchase
them elsewhere). For details about the
specications of such materials to be
purchased, see the following sections.
NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) 3 Installation Guide
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 30