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FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
No.
2
3
4.4.3 Checking the Refrigerant
Procedure
Step 1 Open the maintenance door to the compressors.
Step 2 Check whether any needle valve bonnet of the compressors is missing.
1.
2.
Figure 4-8 Needle valve positions
(1) Low-pressure needle valve
----End
4.4.4 Installing Air Ducts
Prerequisites
Before the installation, ensure that there is no construction waste in the air shaft.
Context
●
Issue 03 (2021-04-20)
Item
Bolts and nuts
Maintenance door
If any bonnet is missing, contact Huawei technical support.
If no bonnet is missing, remove the valve bonnets, and press the valve plugs
using the valve bonnets in turn. If gas flows out, the system is normal. If no
gas flows out, contact Huawei technical support.
Air ducts need to be prepared by the customer based on the site
requirements. The air duct in the figure is for reference only.
Copyright © Huawei Digital Power Technologies Co., Ltd.
4 System Installation (Building Scenario)
Check Method
Partially tighten them
using a wrench.
Open and close the
maintenance doors.
(2) Liquid pipe needle valve
Expected Result
Bolts and nuts are
tightened.
All maintenance doors
can be smoothly
opened and closed.
45
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