Venting VAC-12CHSA/XA21 PLUS

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Summary

1. IMPORTANT NOTICE

3. Refrigeration Cycle Diagram

4. Operation Details

Electronic Controller Modes

Defrosting and Auxiliary Heating

Defrosting Function Overview

Explains the defrosting function, its conditions, and how it operates.

Defrosting Enter and Exit Program

Outlines the specific programs and conditions for entering and exiting defrost mode.

Defrosting Quitting and Auxiliary Heating

Conditions for Quitting Defrosting

Auxiliary Electric Heating Function

System Functions and Protections

Auto-restart Function

Protection Mechanisms

Covers various protection features like compressor, anti-frosting, and cold air prevention.

Failure Codes and Troubleshooting

Failure Code Identification

Lists and explains the failure codes displayed by the unit for diagnostics.

Explosion View and Parts - Indoor Unit VAC-09 CHSA;XA21 PLUS

Explosion View and Parts - Outdoor Unit VAC-09 CHSA;XA21 PLUS

Explosion View and Parts - Indoor Unit VAC-12 CHSA;XA21 PLUS

Explosion View and Parts - Outdoor Unit VAC-12 CHSA;XA21 PLUS

Explosion View and Parts - Indoor Unit VAC-18 CHSA;XA21 PLUS

Explosion View and Parts - Outdoor Unit VAC-18 CHSA;XA21 PLUS

Explosion View and Parts - Indoor Unit VAC-24 CHSA;XA21 PLUS

Explosion View and Parts - Outdoor Unit VAC-24 CHSA;XA21 PLUS

Safety Precautions

Installation Safety Rules

Covers essential safety rules and recommendations for installing the appliance.

User Safety Rules

Outlines safety rules and recommendations for the user during operation and maintenance.

Installation Manual Overview

First-Time Installation Procedures

Troubleshooting Guide

Product Does Not Operate

Troubleshooting steps for when the unit fails to operate at all.

Sensor and Fan Troubleshooting

Sensor Failure (E1, E2)

Troubleshooting steps for sensor failure error codes E1 and E2.

Indoor Fan Failure (E6)

Troubleshooting steps for when the indoor fan does not operate (E6).

System Protection Troubleshooting

System Protection (E4)

Troubleshooting for system protection error E4, related to Freon levels.

System Protection (E5)

Troubleshooting for system protection error E5, related to pressure switches.

Component Operation Troubleshooting

Compressor;Outdoor Fan Not Operating

Troubleshooting steps for when the compressor or outdoor fan fails to operate.

Vane Not Operating

Troubleshooting steps for when the vane mechanism does not move.

Cooling;Heating Conversion Disabled

Troubleshooting for issues with the cooling and heating mode conversion.

Repair Examples

Repairing E1 or E2 Errors

Examples and solutions for repairing common errors E1 and E2.

Repairing E6 Error

Examples and solutions for repairing common error E6.