Table of Contents
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Vexus
INVERTER MINI SPLIT
USER
MANUAL
WARNING
• The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments
• Installation or repairs made by unqualified persons can result in hazards to you and others.
• Failure to carefully read and follow all instructions in this manual can result in equipment
malfunction, property damage, personal injury and/or death.
• This service is only for service engineer to use.
VIN310C2V31
VIN414C2V31
VIN520C2V31
VIN625C2V31
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Table of Contents
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Summarization of Contents
Precaution and Safety
Safety Precautions
Essential safety instructions to prevent hazards during operation and installation.
Critical Warnings
Important warnings regarding electrical shock, fire hazards, and improper product use.
Product Information and Installation
Model List and Dimensions
Lists available models, specifications, and physical dimensions for indoor/outdoor units.
Installation Details
Covers torque specs, cable connections, pipe length limits, and first-time installation procedures.
Re-installation Procedures
Steps for collecting refrigerant before unit removal for repair and system evacuation.
Electrical Systems and Operation
Wiring Diagrams
Electrical schematics detailing connections for indoor and outdoor units.
Operation Modes and Characteristics
Explains operating modes, temperature ranges, and electronic functions of the unit.
Troubleshooting and Diagnostics
Error Code Identification
Lists error codes displayed on the unit and their corresponding fault conditions.
Fault Diagnosis and Solutions
Detailed troubleshooting steps for common errors and component checks.
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