NetCol8000-E220 Modular Indirect Evaporative Cooling System User Manual Issue Date 2020-08-19 HUAWEI TECHNOLOGIES CO., LTD.
Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
The "NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this document do not cover all the safety instructions. They are only supplements to the safety instructions. Huawei will not be liable for any consequence caused by the violation of general safety requirements or design, production, and usage safety standards.
Do not power on the equipment before it is installed or confirmed by professionals. 1.2 Personnel Requirements ● Personnel who plan to install or maintain Huawei equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations. ●...
Service Expert app. Obtain the initial startup password during deployment. View or obtain the running information about the smart cooling product during preventive maintenance. Only Huawei service engineers or authorized service engineers are allowed to use the WiFi module. To ensure security, remove the WiFi module immediately after use.
● Remote management: You can monitor and manage one or more devices using the remote management function provided by Huawei. ● Provides a large space for recording and storing fault and alarm data. A minimum of 1500 historical alarms can be stored.
(RCCB) that is insensitive to single-phase DC pulsation and transient impulse current. Note: If the requirements are not met, contact Huawei technical support for an optimized solution. 2.5 Technical Specifications Table 2-9 System specifications...
Take insulation measures at low temperatures to prevent freezing in the water pipe. 3.2 Material Preparations Materials are classified to Huawei-provided, self-purchased, and onsite prepared materials, which are marked as mandatory, optional, and engineering purchasing in this document.
3.2.1 (Optional) Refrigerant R410A CA UTION Do not use low-quality refrigerant. Huawei is not responsible for any damage caused by low-quality refrigerant. Follow these suggestions to choose high-quality refrigerant: Contact the refrigerant producer to confirm the refrigerant authenticity.
User Manual 3 Installation Guide If they do not exist, contact Huawei technical support. If they exist, remove each valve bonnet and use it to press the valve plugs in turn. If nitrogen is exhausted, the system is working properly. If no nitrogen is exhausted, contact Huawei technical support.
User Manual 3 Installation Guide Context The supply air duct is optional. Customers can purchase it from Huawei or prepare it by themselves. The following describes how to install a Huawei supply air duct. Procedure Step 1 Remove the pedal.
NO TICE If the R410A refrigerant is provided by Huawei, put the refrigerant steel vessel upside down when charging in the refrigerant. If the refrigerant is not provided by Huawei, check with the refrigerant provider whether the steel vessel has a siphon.
Hot aisle 5 temp/humid NO TICE ● The default addresses of T/H sensors purchased from Huawei are 1. ● Keep the last RS485_R toggle switch at OFF. ● After the addresses are set, power on the device. On the display's home screen, choose Settings >...
Confirm with Huawei before modifying parameters that cannot be modified by operator users; otherwise, Huawei will not be liable for any consequences of the unauthorized modification. ● Only certified pros are allowed to modify the advanced parameters.
On/Off status on remote is on the status of on. Prerequisites Download the Service Expert app from Huawei app store and runs on Android. Apply for permission after downloading the app. Step 1 Tap Start on the home screen of the ACC.
Pay attention to the safety symbols on the equipment and all safety instructions in this document. The safety precautions given in this document do not cover all safety precautions. Huawei will not be liable for any consequence caused by violation of the safety operation regulations and design, production, and usage standards.