product is started, refrigerant must be sucked from the needle valve after the
expansion valve. The refrigerant cylinder should be upside down or tilted (more
than 45°). Ensure that the refrigerant is slowly sucked into the compressor,
preventing the compressor from being damaged due to slugging.
Refrigerant has been lled in the outdoor unit based on the standard pipe length
before delivery. If the pipe between the indoor unit and outdoor unit is less than
or equal to 10 m, no extra refrigerant needs to be
lled.
For a 5 U rack-mounted smart cooling product with a low ambient kit, the
amount of refrigerant to be
lled is the amount of refrigerant to be lled for a 5 U
rack-mounted smart cooling product without a low ambient kit plus 2 kg.
If the pipe between the indoor unit and outdoor unit is longer than 10 m, add
refrigerant to the system to ensure normal system operation. The following table
lists the amount of refrigerant to be added for each 1 m increase in the length of
the pipe connecting the indoor and outdoor units.
Table 4-11 Amount of refrigerant to be added
Liquid Pipe Diameter (mm) Amount of Refrigerant to Be Added
(kg/m)
6 0.009
9.52 0.04
12.7 1
----End
4.2.5 Installing Power Supply and Distribution Devices
4.2.5.1 Installing Lithium Batteries
Context
Install lithium batteries in the 7 U or higher position of the cabinet.
Procedure
Step 1 Push a lithium battery into the cabinet and secure it.
FusionModule500 Smart Mini Data Center
User Manual 4 Installation Guide
Issue 02 (2020-12-25) Copyright © Huawei Technologies Co., Ltd. 100
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