Context
●
Tools: welding tool, refrigerant retrieval device (required based on local
conditions), nitrogen injection and pressure preservation tool, vacuumization
tool, refrigerant injection tool, Phillips screwdriver, protective gloves.
●
Preparation: Power off the outdoor unit and empty system of the refrigerant.
Procedure
Step 1 Shut down the smart cooling product over the EMS.
●
Method 1: Log in to the ECC800-Pro mobile phone or pad app as user admin.
a. Choose Home.
b. Tap the cabinet that houses the smart cooling product in the micro-
module view.
c.
Tap the smart cooling product to be set in the cabinet layout diagram.
d. Choose Real-time Data > OFF.
●
Method 2: Log in to the ECC800-Pro WebUI as user admin. Choose
Monitoring > Cooling > NetCol5000-A1 > Controls > Control Information,
choose Startup/Shutdown control > OFF, and then click Submit.
NO TE
1 in NetCol5000-A1 is variable and subject to changes with the smart cooling product
connection sequence. The displayed value prevails.
Step 2 Disconnect the power supplies from the smart cooling product control unit and
the outdoor unit after the smart cooling product shuts down over the EMS.
Step 3 Reclaim all the refrigerant from the system using a refrigerant retrieval device to
ensure that there is no pressure inside the system.
NO TE
Discharge the refrigerant if the local laws and regulations allow.
Step 4 Loosen the screws using a Phillips screwdriver and remove the left front panel and
left rear panel from the outdoor unit to expose the filter dryer completely.
Step 5 Cut off the cable ties for the filter dryer using diagonal pliers, weld from the
welding point shown in
,
using a welding
tool, and remove the filter dryer.
NO TICE
To avoid burning the internal components, other pipes, thermal insulation foam,
power cables, and labels, take protective measures, such as spreading wet cloth,
around the welding position.
FusionModule800 Smart Small Data Center
User Manual
6 O&M
Issue 01 (2021-02-05)
Copyright © Huawei Technologies Co., Ltd.
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