Huawei NetCol8000-E220 User Manual page 23

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Item
Storage humidity
Protection level
Installation mode
Altitude
Table 2-6 Altitude derating coefficients
Altitude
(m)
Air volume
coefficient
Cooling
capacity
coefficient
Note: The sensible heat ratio is always 100%.
Installation Requirements
If the total actual load of servers for each smart cooling product is less than 10% of rated
cooling capacity or the equipment room is not properly sealed, the humidity in the equipment
room may exceed the upper limit. This is not a product quality issue and you are advised to
add a dehumidifier.
Table 2-7 Installation requirements
Name
Base
Water supply
requirements
Issue 02 (2019-10-10)
Parameter
5%–95% RH
IPX5 (indoor)
The concrete foundation or steel base is required.
Not derated below 1000 m; derated when the altitude is
between 1000 m and 4000 m. For details about derating,
see Table
0 1000 1500
1 0.887 0.835
1 0.887 0.835
Parameter
Bearing capacity ≥ 500 kg/m
Specific requirements:
Filtering level: at least 89 μm

 6.5 < pH value < 8

Conductivity < 400 µ S/cm

TDS < 260 mg/L(180º C)
 Hardness < 100 mg/l
 Total alkalinity < 50 mg/L CaC0
Copyright © Huawei Technologies Co., Ltd.
2-6.
2000 2500 3000
0.785 0.737 0.692
0.785 0.737 0.692
2
3
2 Product Description
3500 4000
0.649 0.608
0.649 0.608
15