Material Preparations - Huawei NetCol5000-A User Manual

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
Appearance, specifications, and name
Table 3-5 Commissioning tools
Appearance, specifications, and name
Pressure gauge
(2PCS)
Clamp meter
a: The pressure gauge and leather hose should be used especially for R410A, the
measurement range of the pressure gauge must be greater than or equal to 4.0 MPa, and the
tolerance range of the leather hose must be greater than or equal to 4.5 MPa. The size of
needle valve in the unit is 1/4 inch. Purchase a conversion adapter if you have a different
size of valve on leather hoses.
b: The rate flow between 2 L/s (7.2 m
vacuum ≤ 60 Pa.
c: Dry nitrogen.
d: A reducing valve needs to install to the outlet of the nitrogen steel vessel, and the
reducing valve range ≥ 4.0 MPa.

3.1.2 Material Preparations

This section describes optional components. If you have not purchased such optional
components from Huawei, prepare the following materials: pipe components and supports,
humidifier water supply/drainage components, and cables.
Indications of "Mandatory", "Optional", and "Engineering purchasing" in this document are
as follows:
Issue 13 (2019-01-15)
Leather hose
a
(5PCS)
Electronic balance
Copyright © Huawei Technologies Co., Ltd.
N/A
Vacuum pump
a
Antifreeze gloves
3
/h) and 4 L/s (14.4 m
3 Installation Guide
N/A
b c
Nitrogen
Reducing valve
3
/h) is recommended. Absolute
d
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