Huawei NetCol5000-A020 Manuals

Manuals and User Guides for Huawei NetCol5000-A020. We have 1 Huawei NetCol5000-A020 manual available for free PDF download: User Manual

Huawei NetCol5000-A020 User Manual

Huawei NetCol5000-A020 User Manual (138 pages)

Air Cooled In-row Precision Air Conditioner

Brand: Huawei | Category: Air Conditioner | Size: 8.6 MB

Table of Contents

About this Document

3
- Table of Contents
  5
1 Precautions

8
- Safety Precautions
  8
- Electrical Safety
  9
- Mechanical Safety
  11
- Running Safety
  12
- Others
  12
2 Product Description

14
- Model Description
  14
- Composition of an Indoor Unit
  14
- Monitoring Function
  16
- Controller
  16
- Monitoring System
  17
- Application Environment
  18
- Technical Specifications
  20
3 Installation Guide

22
- Installation Preparations
  22
- Preparing Tools
  22
- Material Preparations
  24
- Installation Precautions
  31
- Installation Layout
  33
- Transportation and Unpacking
  35
- Installation Flowchart
  37
- Mechanical Installation
  38
- Install the Outdoor Unit
  46
- Exhausting Nitrogen
  46
- Connecting Pipelines
  47
- Routing Refrigerant Pipes
  48
- Connecting Water Pipes
  50
- Leak Checking
  51
- Electrical Connection
  52
- Cable Installation
  52
- Connecting Power Cables
  53
- Installing the Voltage Jumper
  54
- Connecting the Signal Cables
  55
- Preparations before Connection
  55
- Connecting Outdoor Unit On/Off Signal Cable
  58
- Connecting a Water Sensor
  59
- Teamwork Networking and Monitoring
  59
- Installing T/H Sensors
  62
- Connections Verification
  64
4 Power-On Commissioning

67
- Tools
  67
- Partially Charging in Refrigerant
  67
- Calculation Requirements of Chilled Oil and Refrigerant to be Charged
  67
- Charging Refrigerant Oil
  68
- Vacuumizing
  70
- Partially Charging in Refrigerant
  71
- Power-On Preparations
  72
- Powering on the Equipment
  74
- Commissioning Procedure
  75
- Powering off the Equipment
  78
5 System Operation and Maintenance

79
- Safety Precautions
  79
- Indoor Unit Maintenance Items
  79
- Troubleshooting
  80
- Other Cooling System Components
  83
- Thermostatic Expansion Valve
  84
- Alarm Reference
  85
- Troubleshooting
  97
- The Netcol5000-A020 Generates Abnormal Voice
  97
- A Compressor Does Not Work
  98
- Compressor Generates Excessive Noises
  99
- An Indoor Fan Fails to Start
  100
- Humidification Fails
  102
- The Heating Function Is Unavailable
  103
- The Water Overflows the Netcol5000-A020
  105
- The T/H Sensor Cannot Detect the Humidity and Temperature
  105
- The LCD Does Not Light
  106
- Parts Replacement
  107
- Replacing Air Filters
  107
- Replacing an Indoor Fan
  109
- Replacing the Compressor
  110
- Replacing the Humidifier Cylinder
  114
- Electric Heater
  116
- Replacing the Solenoid Coil
  119
- Replacing the Solenoid Coil on the Liquid Solenoid Valve
  120
- Replacing the Solenoid Coil on the Hot Gas Bypass Valve
  121
- Replacing Components in the Electric Control Box
  121
- Replacing the Return Air and Supply Air Temperature Sensor
  123
- Replacing an T/H Sensor
  125
- Replacing the Power Module
  126
- Replacing the Float
  128
- Replacing the LCD
  129
A Acronyms and Abbreviations

131
B Laying out the Cooling System

132
C Electrical Ports

133
D Electrical Schematic Diagram

135
E Schematic Diagram of the Main Control Board

136
F Schematic Diagram of the Voltage Jumper

137
G Control Schematic Diagram of the Humidifier Cylinder

138

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