Daikin FTXR12TVJUW User Manual

[Applied Models]

Inverter Pair : Heat Pump
Multi-Split Type Air Conditioners
5MXS-T, 4MXL-T Series
Service
Manual
SiUS121827E

Daikin FTXR12TVJUW Specifications

General

Brand	Daikin
Model	FTXR12TVJUW
Category	Air Conditioner
Language	English

Summary

Introduction

Safety Cautions

Crucial safety guidelines and warnings for personnel performing maintenance and repairs and end-users.

Part 1 General Information

Applicable Models

Lists all models covered by this service manual, including indoor and outdoor units.

Part 2 Specifications

RA Indoor Unit Specifications

SA Indoor Unit Specifications

Outdoor Unit Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Indoor Unit Wiring Diagrams

Provides wiring diagrams for various indoor unit models.

Outdoor Unit Wiring Diagram

Provides the wiring diagram for the outdoor unit.

Part 5 Remote Controller

Applicable Remote Controllers

Part 6 Service Diagnosis

General Problem Symptoms and Check Items

Lists common symptoms and initial checks for troubleshooting.

Troubleshooting with LED

Explains how to interpret LED indicators for fault diagnosis.

Code Indication on Remote Controller

Lists error codes and their corresponding meanings for remote controller displays.

Troubleshooting for RA Indoor Unit

Specific troubleshooting procedures for RA indoor unit issues.

Troubleshooting for SA Indoor Unit

Detailed troubleshooting steps for SA indoor unit malfunctions.

Troubleshooting for Outdoor Unit

Comprehensive troubleshooting guide for outdoor unit problems.

Check Procedures

Part 7 Trial Operation and Field Settings

Pump Down Operation

Forced Cooling Operation

Wiring Error Check Function

Trial Operation