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Fujitsu Airstage VR-II AUUA18TLAV User Manual

Fujitsu Airstage VR-II AUUA18TLAV
246 pages
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SERVICE MANUAL
208/230V 60Hz

Table of Contents

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Fujitsu Airstage VR-II AUUA18TLAV Specifications

General IconGeneral
BrandFujitsu
ModelAirstage VR-II AUUA18TLAV
CategoryAir Conditioner
LanguageEnglish

Summary

1. Test Run Procedures

Test Run Execution Procedures and Precautions

Outlines essential steps and safety measures for executing a test run.

Pre-Power-On Checks for Test Run

Details critical inspections required before applying power for test run operations.

Post-Power-On Checks for Test Run

Specifies essential checks to perform after powering on the system for test run.

Performing Test Runs

Describes methods for conducting test runs from the outdoor unit PC board and remote controller.

Test Run Control Methods

Explains the controls and signals used to manage test run operations.

2. Outdoor Unit Operation Control

Outdoor Unit Refrigerant Circuit Diagram

Illustrates the refrigerant flow and components within the outdoor unit.

Compressor Operation Modes and Control

Details compressor operation, speed control, capacity control, and sequence operations.

Outdoor Unit Protective Functions

Lists protective functions such as discharge temperature, high pressure, and low pressure protections.

3. Indoor Unit Operation

4. Trouble Shooting

Abnormal Operation Troubleshooting Guide

Covers error code displays, unit displays, communication errors, and troubleshooting indexes.

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