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Airwell VRF Series User Manual

Airwell VRF Series
380 pages
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Engineering Manual
VRF Air-Conditioning System
VRF-Outdoor Unit: YAV
Cassette: CKV / KXV
Floor-Ceiling: SXV
Ducted: DLV / DSV
Wall-Mounted: PNV
11,2 to 14 kW
12,5 to 16 kW
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Airwell VRF Series Specifications

General IconGeneral
BrandAirwell
ModelVRF Series
CategoryAir Conditioner
LanguageEnglish

Summary

Abbreviation Explanation

Part I Product Outline

VRF System Outline

Provides an overview of the VRF system, its configuration, and operating principles.

Product Model Introduction

Introduces the various indoor and outdoor unit models available in the VRF system.

VRF System Project Design

Details the process and considerations for designing a VRF system project.

Part II VRF System Working and Control Elements Introduction

Refrigeration System Outline

Details the refrigeration system diagram and its key components for VRF units.

Indoor Unit Fan Control

Explains the rules and control logic for the indoor unit's DC fan motors.

Outdoor Unit Fan Control

Describes the operation and control of the outdoor unit's fan (OFAN) in various modes.

Compressor Control

Details the control mechanisms for the VRF system's compressor, including speed settings.

EEV Control

Explains the operation and control of the Electronic Expansion Valve (EEV) in the system.

System Faults and Protections

Covers system faults, protection mechanisms, and their actions for both IDU and ODU.

Part III Indoor Unit

Slim Cassette Series (CKV)

Details the specifications, characteristics, and components of the CKV slim cassette indoor units.

Cassette Series (KXV)

Provides specifications, characteristics, and component lists for the KXV cassette indoor units.

Floor and Ceiling Series (SXV)

Details specifications, characteristics, and components for the SXV floor and ceiling indoor units.

Slim Ducted Series (DLV)

Covers specifications, characteristics, and components for the DLV slim ducted indoor units.

Ducted Series (DSV)

Provides specifications, characteristics, and component lists for the DSV ducted indoor units.

Wall Mounted Series (PNV)

Details specifications, characteristics, and components for the PNV wall-mounted indoor units.

Part IV Outdoor Unit

Outdoor Unit

Presents the specifications and models of the YAV series outdoor units.

HMI Introduction

Introduces the Human Machine Interface (HMI) for setting outdoor unit status and control modes.

Part V Controller Components

VRF Control System Introduction

Explains the VRF control system architecture, including main bus and local bus communication.

LWC Introduction

Introduces the Local Wired Controller (LWC), its scope, functions, and installation.

LWCS Introduction

Introduces the Local Wired Controller Simplified (LWCS), its scope, functions, and installation.

IR-RC Introduction

Describes the Infra-Red Remote Controller (IR-RC) models, their appearance, and capabilities.

Part VI IDU and ODU Troubleshooting

Fault and Protection Code List

Lists all fault and protection codes for Indoor (IDU) and Outdoor (ODU) units with their meanings.

Indoor Unit Troubleshooting

Provides diagnostic flowcharts and solutions for common indoor unit faults and issues.

Outdoor Units Troubleshooting

Offers troubleshooting steps and diagnostic flowcharts for outdoor unit faults and protections.

Part VII Appendix

R410A Saturation Table (Gauge Pressure)

Provides a saturation table for R410A refrigerant, listing pressure values at different temperatures.

PC Monitor Operation Instruction

Details the operation and installation of the PC monitor software for VRF system diagnostics.

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