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Huawei NetCol8000-A User Manual

Huawei NetCol8000-A
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HUAWEI TECHNOLOGIES CO., LTD.
NetCol8000-A (045, 055, 060, 090, 120)
In-room Air Cooled Smart Cooling
Product
Quick Guide
Issue: 04
Part Number: 31500BLY
Date: 2020-10-10

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Huawei NetCol8000-A Specifications

General IconGeneral
BrandHuawei
ModelNetCol8000-A
CategoryAir Conditioner
LanguageEnglish

Summary

Quick Guide

1 Product Overview

2 Engineering Materials

2.1 Refrigerant R410A

Information and verification methods for R410A refrigerant authenticity.

2.2 Oil Trap and Inverted Trap (Unit: mm)

Specifications and diagrams for oil traps and inverted traps for refrigerant piping.

3 Installing the Indoor Unit

3.1 Checking Whether the Nitrogen Is Discharged at the Needle Valves of Outdoor Unit

Procedure to check for nitrogen discharge at outdoor unit needle valves.

3.2 Removing the Pallet

Steps for safely removing the pallet from the indoor unit before installation.

3.3 Removing Compressor Fasteners

Instructions for removing compressor mounting fasteners during installation.

3.4 Securing to the Floor or Base

Guidance on securing the indoor unit to the floor or a base for stability.

3.5 Lowering a Fan (Applicable to Downflow Units)

Procedure for safely lowering the fan assembly in downflow unit installations.

4 Installing the Outdoor Unit

4.1 Installation Scenario

Diagrams illustrating various installation scenarios for outdoor units.

4.2 Checking Whether the Nitrogen Is Discharged at the Needle Valves of Outdoor Unit

Procedure to verify nitrogen discharge from outdoor unit needle valves.

4.3 Horizontal installation (Choose One from the Two Installation Scenario)

Instructions for horizontal installation of outdoor units, offering scenario choices.

4.4 Vertical Installation (Choose One from the Two Installation Scenario)

Instructions for vertical installation of outdoor units, offering scenario choices.

5 Welding Refrigerant Pipes

5.1 Laying the Engineering Pipe

Detailed instructions for properly laying the engineering pipes for refrigerant.

5.2 Installation Requirements for Inverted U-shaped Traps and Oil Traps

Requirements for installing inverted U-shaped traps and oil traps in refrigerant piping systems.

5.3 Pipe Drainage

Procedure for ensuring proper pipe drainage in the refrigerant system.

5.4 Exhausting Nitrogen from the Indoor Unit Through Three Needle Valves

Steps to exhaust nitrogen from indoor unit needle valves before charging refrigerant.

5.5 Welding the Indoor Unit Ports

Procedure for welding the indoor unit ports for refrigerant pipe connections.

5.6 Exhausting Nitrogen at the Outdoor Unit Needle Valves

Procedure to exhaust nitrogen from outdoor unit needle valves.

5.7 Welding the Outdoor Unit Ports

Procedure for welding the outdoor unit ports for refrigerant pipe connections.

5.8 (Optional) Connecting Low Temperature Component Pipes

Instructions for connecting pipes for the optional low-temperature component.

6 Connecting Water Pipes

6.1 Connecting the Humidifier Water Inlet Pipe

Steps for connecting the water inlet pipe to the humidifier.

6.2 Connecting the Drainpipe

Procedure for connecting the drainpipe, including gradient requirements.

7 Installing Cables

7.1 Connecting the Equipotential Bonding Cable

Procedure for connecting the equipotential bonding cable for safety.

7.2 Connecting the Indoor Unit Power Cable

Instructions for connecting the power cables to the indoor unit.

7.3 Connecting the Outdoor Unit Power Cable

Instructions for connecting the power cables to the outdoor unit.

7.4 Connecting the Signal Cable of Outdoor Unit and Indoor Unit

Procedure for connecting signal cables between outdoor and indoor units.

7.5 (Optional) Connecting a Differential Pressure Sensor

Instructions for connecting an optional differential pressure sensor.

7.6 (Optional) Connecting the Low-Temperature Component Cables

Instructions for connecting cables for the optional low-temperature component.

7.7 (Optional) Connecting the Water Sensor

Procedure for connecting an optional water sensor.

7.8 (Optional) Connecting the T/H Sensors Outside Cabinets

Instructions for connecting T/H sensors to outdoor cabinets.

7.9 (Optional) Connecting the Teamwork Network Cable

Procedure for connecting network cables for teamwork and NetEco monitoring.

7.10 (Optional) Installing the Cap (Applicable to Upflow Units)

Steps for installing the cap accessory on upflow unit models.

Third-Party NMS Monitoring (SNMP/Modbus-TCP/Modbus-RTU Protocol)

8 Leak Checking, Vacuuming, and Precharging Refrigerant

8.1 Leak Checking

Procedure for performing leak checking on the system using nitrogen.

8.2 Vacuuming

Steps for vacuuming the system to remove air and moisture.

8.3 Precharging Refrigerant

Procedure for precharging the system with the correct amount of refrigerant.

Scenarios without a low-temperature component (NetCol8000-A045/A055/A090 Downflow)

Details for leak checking, vacuuming, and precharging without low-temp component.

Scenarios without a low-temperature component (NetCol8000-A060/A120 Downflow)

Details for leak checking, vacuuming, and precharging without low-temp component.

Scenarios with a low-temperature component (NetCol8000-A045/A055/A090 Downflow)

Details for leak checking, vacuuming, and precharging with low-temp component.

Scenarios with a low-temperature component (NetCol8000-A060/A120 Downflow)

Details for leak checking, vacuuming, and precharging with low-temp component.

Scenarios without a low-temperature component (NetCol8000-A045 Upflow)

Details for leak checking, vacuuming, and precharging without low-temp component.

Scenarios without a low-temperature component (NetCol8000-A060 Upflow)

Details for leak checking, vacuuming, and precharging without low-temp component.

Scenarios with a low-temperature component (NetCol8000-A060 Upflow)

Details for leak checking, vacuuming, and precharging with low-temp component.

Scenarios with a low-temperature component (NetCol8000-A045 Upflow)

Details for leak checking, vacuuming, and precharging with low-temp component.

9 Commissioning

9.1 Power-On

Procedure for powering on the smart cooling product and initial setup.

9.2 Startup Process

Step-by-step guide for the initial startup and wizard configuration process.

9.3 Configuring Initial Parameters

Settings for initial configuration of parameters and control modes.

9.4 (Optional) Teamwork Settings

Configuration options for teamwork networking between multiple cooling products.

10 (Optional) Power-off

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