HUAWEI NetCol5000-C In-row Chilled Water Smart Cooling Product User Guide

Серия NetCol5000-A представляет собой линейку интеллектуальных кондиционеров, предназначенных для охлаждения оборудования в центрах обработки данных. Устройства охлаждения устанавливаются между стойками с оборудованием, что удовлетворяет требованиям ЦОД малого и среднего размера.

В этих устройствах используется компрессор с переменной частотой, ступенчатая регулировка мощности 10(20)%-100% с высокой эффективностью при частичной нагрузке. Силовые модули системы электропитания вентиляторов и системы управления поддерживают «горячую» замену, за одну минуту. Они также используют уникальный алгоритм для точного и эффективного управления, а система интеллектуального управления O&M создает эффективный, надежный и простой центр обработки данных.

В 2016 году интеллектуальные продукты охлаждения компании Huawei занимали самую большую долю на китайском рынке. Кондиционеры серии NetCol5000-Aа востребованы в финансовом, правительственном, транспортном, телекоммуникационном, энергетических секторах, а также в сфере медицины, образования и ISP.

Непрерывное охлаждение при нагрузке 10%~100%

Высокоэффективные компрессоры и вентиляторы EC со встроенной интеллектуальной логикой и регулировкой открытия расширительных клапанов, реализуют ступенчатую регулировку мощности 10% -100% и отвечают требованиям к охлаждению с низкой нагрузкой для центров обработки данных.

Применяет технологию увлажнения без нагревания воды, энергопотребление при увлажнении на килограмм составляет менее 50 Вт, что позволяет сэкономить 95% энергии по сравнению с электродными и инфракрасными увлажнителями.

Конструкция без сварки обеспечивает эффективное техобслуживание

В компрессорах и сухих фильтрах применяется резьбовое соединение Rotalock, поэтому устройство можно обслуживать на месте, без необходимости получения разрешения на использование открытого огня, что экономит время устранения сбоев на 80% и более.

Создайте эффективный, надежный и простой в использовании центр обработки данных.

Серия NetCol5000A представляет собой линейку интеллектуальных кондиционеров, предназначенных для охлаждения оборудования в центрах обработки данных. Устройства охлаждения устанавливаются между стойками с оборудованием, что удовлетворяет требованиям ЦОД малого и среднего размера.

В этих устройствах используется компрессор с переменной частотой, ступенчатая регулировка мощности 10 (20)%-100% с высокой эффективностью при частичной нагрузке. Силовые модули системы электропитания вентиляторов и системы управления поддерживают «горячую» замену, за одну минуту. Они также используют уникальный алгоритм для точного и эффективного управления, а система интеллектуального управления O&M создает эффективный, надежный и простой центр обработки данных.

В 2016 году интеллектуальные продукты охлаждения компании Huawei занимали самую большую долю на китайском рынке. Кондиционеры серии NetCol5000Aа востребованы в финансовом, правительственном, транспортном, телекоммуникационном, энергетических секторах, а также в сфере медицины, образования и ISP.

Узнать подробнее о NetCol5000A

HUAWEI NetCol5000-C In-row Chilled Water Smart Cooling Product

• The information in this document is subject to change due to version upgrade or other reasons. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied.
• Only qualified or trained technical personnel are allowed to perform operations on the device. Operation personnel should understand the composition and working principles of the smart cooling system and local regulations.
• Use insulated tools when installing the device. For personal safety, wear proper personal protective equipment (PPE).

NOTE
The position of the differential pressure switch is for reference only. For some models, it is close to the T/H sensor.

• Shock absorption bars (EPDM rubber, 5 mm thick) need to be installed between the ground and the base.
• The base should be at least 250 mm in height.
• You are advised to use angle steel. Thickness of 5 mm is recommended.

Holes in Top and Bottom Plates

Installing the Equipment

• The unit in this document is a fully configured NetCol5000-C. If some components are not configured, skip the corresponding steps.
• You are recommended to use tools that are fully insulated when installing devices.
• Only qualified or trained technical personnel are allowed to install, commission, and maintain smart cooling products. Otherwise, personal injuries and device damage may be caused, which is beyond the smart cooling product warranty range.

Removing Air Filters

• The equipment has been injected with 0.2–0.6 MPa of nitrogen before delivery. If no nitrogen is discharged, contact Huawei technical support.
• You can open or close the exhaust valve using a flat-head screwdriver.

Removing the Pallet

(Optional) Removing 3.4 Side Plates

(Optional) Moving the Cabinet

This section only applies to the NetCol5000-C030/032.
Four to six persons are required to move the cabinet to the installation position. After that, install the side plates.

Leveling the Cabinet

Securing the Equipment

• A 1:100 tilt should be reserved for the main drainpipe and humidifier water inlet pipe.
• Keep a clearance of at least 25 mm between pipes. Secure the pipes to supports every a certain distance.
• Clean the water inlet engineering pipes to avoid impurities entering into the humidifier.
• A reducing valve must be installed if the inlet water pressure exceeds 0.7 MPa.
• Pipes should be wrapped with thermal insulation foam along the route.
• When routing pipes from the top, take protective measures to prevent pipe leakage from affecting servers or other devices.

• Chilled water inlet pipe
• Chilled water outlet pipe
• Drainpipe
• Humidifier water inlet pipe

Installing a Drainpipe

Installing a Humidifier Water Inlet PipeClean the engineering pipe, connect the reserved humidifier water inlet pipe to the engineering pipe, and wrap the pipe with thermal insulation foam.

Installing Chilled Water Inlet and Outlet Pipes

• G 1–1/2 inch inner thread connector (reserved)
• Straight male connector
• Gasket
• Nut
• Aluminum-plastic pipe with an inner diameter of 41 mm

• G 1–1/2 inch inner thread connector (reserved)
• G 1–1/2 inch seamless steel pipe with external threads

Wrap the pipes with thermal insulation foam.

(Optional) Leakage Test with Nitrogen

• If the pressure has fallen, apply soapy water on the pipes, especially at pipe joints, to check for leakages. Rectify the leakages if any.
• If the pressure is stable, wrap all pipes and connectors with thermal insulation foam.
• Install a reducing valve on the outlet of the nitrogen cylinder. Its outlet pressure must not exceed 0.8 MPa.
• In addition to the leakage test with nitrogen, there is the leakage test with water. You can choose one test based on site requirements.

• Rotate the chilled water valve to the maximum (100%).
• Check that the needle and exhaust valves on the pipeline are closed.
• Connect a reducing valve and a nitrogen cylinder at the needle valve position shown in the figure, charge 0.8 MPa of nitrogen (when the pressure is stable), and leave them for 24 hours.
• Check for pressure change after 24 hours.

Injecting Water to Expel Nitrogen

• Open the general water supply valve.
• Press the button on the side of the actuator and manually rotate the valve handle to the maximum in the specified direction. Check that the chilled water valve is in the open state (100%).
• Slowly open the exhaust valve to let out gas.
• Adjust the gas releasing speed until no gas flows out of the valve. Then close the exhaust valve.
• Manually close the chilled water valve.

Connecting the Equipotential Ground Cable and Power Cable

• When routing the cables, wrap the section of all signal cables inside the smart cooling product with the corrugated pipes and route them out of the corresponding cable holes so that the electric and ELV cables are separated.
• Route the power cable along the rear door post, and use cable ties to secure the cable to the post every 150–200 mm.

(Optional) Installing a Micro 5.2 Differential Pressure Sensor

Cold aisle
Connect a pressure inlet tube to the + mark and route it to the aisle through the hole on the top of the cabinet. Ensure that the pressure inlet faces downwards. Connect another pressure inlet tube to the – mark and route it to the cabinet top through the hole atop.

Hot aisle
Connect a pressure inlet tube to the + mark and route it to the cabinet top through the hole atop. Connect another pressure inlet tube to the – mark and route it to the aisle through the hole on the top of the cabinet. Ensure that the pressure inlet faces downwards. Connect the cable terminal of the micro differential pressure sensor to the DPT terminal.

(Optional) Connecting a Water 5.3 Sensor
A water sensor monitors resistance changes at terminals to determine whether the floor is watery. When the terminals of a water sensor detect water or other conductive liquid, the resistance between the two terminals decreases. Keep water sensors far away from water traps or floor drains.

(Optional) Installing T/H Sensors Outside CabinetsConnect T/H sensor cables.
T/H sensors in the aisle should be installed at the door frame inside the IT cabinet and 1.5 m above the ground (33 U). After they are secured, set the sensor positions based on their locations and the table.

Set the DIP switches on the T/H sensors.

(Optional) Connecting the Teamwork Network Cable

• T/H_1 (T/H RS485 communications port) (used for connecting to the external T/H sensor)
• T/H_2 (T/H RS485 communications port) (used for connecting to the external T/H sensor)
• CAN_IN/CAN_OUT/FE_IN/FE_OUT (used for teamwork networking)
• COM_IN (RS485 communications port) (used for connecting to the monitoring system)
• COM_OUT (RS485 communications port) (used for connecting to the monitoring system)
• FE (used for connecting to the monitoring system)
• USB

The smart cooling product supports both FE teamwork networking and CAN teamwork networking (hand-in-hand).

Connecting an FE Teamwork Network Cable

• All smart cooling products in a teamwork group must be of the same model.
• Do not directly connect the first and the last smart cooling products to form a ring network.
• A maximum of 32 smart cooling products can be networked in one group. The teamwork cable between two adjacent smart cooling products must not exceed 10 m.
• If CAN networking is required onsite, choose Teamwork Settings and set Enable teamwork CAN resistor for the first and last smart cooling products to Yes on the screen.

Connect one end of the FE network cable to the FE_IN port on the main control module, and connect the other end to the POE port on the smart ETH gateway.

CAN Teamwork Networking Cable

(Optional) Connecting the Monitoring Network CableThe smart cooling product supports both RS485 monitoring and FE monitoring.

Connecting the FE monitoring Cable (SNMP/Modbus-TCP Protocol)
Modbus-TCP (connecting to the smart ETH gateway): The same network cable is used for FE monitoring and FE teamwork control. SNMP: Connect the FE monitoring network cable to the FE port.

RS485 Monitoring Network Cable (Modbus-RTU Protocol)

• If there is no teamwork control, connect the COM_IN port on each smart cooling product to the customer’s monitoring system.
• In CAN networking, connect the COM_IN port on the first smart cooling product in each monitoring group to the monitoring device.

Verifying the Installation

• Turn on the smart cooling product switch in the power distribution cabinet and the AC1 and AC2 switches on the smart cooling product.
• After the device is powered on for the first time, the LCD displays the Quick Settings screen. Set parameters as instructed, such as language, date format, date, time, and time zone. If the device is not powered on for the first time, the home screen is displayed.

(Optional) Setting the T/H Control Type

Startup and Wizard Startup

First startup flowchartOffline Boot or Online Boot can be selected for the first startup.

• Download the Service Expert app from HUAWEI AppGallery. The app can only run on Android currently. You must apply for the permission to use the app after downloading it.
• If no humidifier is configured, its commissioning item is not displayed.

Wizard startup flowchart

Checking After Commissioning

• Tap Shutdown on the LCD home screen.
• Turn off all switches of the smart cooling product.
• If the smart cooling product will not be used over a long time, drain the water in the heat exchanger or take antifreeze measures to avoid frost cracks.

Precautions for Adding Glycol

To prevent glycol solution from corroding pipes and the heat exchanging coil, corrosion inhibitor should be mixed into the glycol solution. For details about the mixing schemes, consult glycol experts.

Huawei Technologies Co., Ltd.Huawei Industrial Base, Bantian, Longgang Shenzhen 518129 People’s Republic of China www.huawei.com

Documents / Resources

• Updated Replacing an Indoor Fan.
• Adjusted the document structure.

Issue 02 (2020-01-06)

Updated the safety information.

Issue 01 (2019-06-30)

This issue is the first official release.

Issue 05 (2020-08-28)

Added the encryption operation CBC switch.

Issue 06 (2020-10-22)

Added the section “Replacing the High Pressure Switch.”

Issue 03 (2020-02-20)

Updated the description about the electric control box of the outdoor unit.

Issue 08 (2021-09-17)

• Added equipotential cable specifications.
• Updated Power Cable Filter for an Outdoor Unit.
• Adjusted the document structure.
• Updated Installing the Outdoor Unit Signal Cable.

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Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues.

Purpose

This document describes the NetCol5000-A air cooled in-row precision smart cooling product in terms of its product overview, installation, power-on commissioning, operation and maintenance (O&M), and FAQ. It helps readers understand how to use and maintain the NetCol5000-A.

Figures provided in this document are for reference only.

Issue 10 (2022-07-15)

• Added the recommended flow rate of the vacuum pump used for vacuumizing.
• Updated the recommended values for temperature and humidity setpoints.
• Added related sections because FE teamwork control is supported.
• Moved the section “Alarm Reference” to the FusionCol and NetCol Smart Cooling Product Alarm Reference.
• Updated the procedure for replacing an outdoor fan.

Issue 04 (2020-06-01)

• Added the MAC-CAN networking mode.
• Added the NetCol5000-A050HRWE2 model.

Issue 11 (2022-12-15)

• Updated the safety information.
• Optimized the description in the section “Installing Drainpipes.”
• Updated the startup procedure.

Manuals and User Guides for Huawei NetCol5000-A050. We have 4 Huawei NetCol5000-A050 manuals available for free PDF download

Huawei NetCol5000-A050 User Manual (360 pages)

In-row Air Cooled Smart Cooling Product

Table of Contents

Huawei NetCol5000-A050 Quick Manual (25 pages)

Huawei NetCol5000-A050 Quick Manual (31 pages)

Huawei NetCol5000-A050 Quick Manual (27 pages)

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Intended Audience

This document is intended for:

• Technical support engineers
• Hardware installation engineers
• Commissioning engineers
• Maintenance engineers