Daikin RXS24LVJU Service Manual

Service
Manual
Inverter Pair
FTXS-L Series
FDXS-L Series
SiUS091133
[Applied Models]
 Inverter Pair : Cooling Only
 Inverter Pair : Heat Pump

Daikin RXS24LVJU Specifications

General

Refrigerant	R-410A
Type	Split
Cooling Capacity	24, 000 BTU/hr
Power Supply	230V/50Hz
Indoor Unit Dimensions (W x H x D)	800 x 290 x 230 mm
Outdoor Unit Dimensions (W x H x D)	800 x 550 x 285 mm

Summary

DAIKIN Service Manual Inverter Pair

Part 1 List of Functions

1. Functions

Overview of functions for FTXS and FDXS series air conditioning units.

1.1 FTXS Series Functions

Detailed list of functions available for the FTXS series indoor and outdoor units.

1.2 FDXS Series Functions

Detailed list of functions available for the FDXS series indoor and outdoor units.

Part 2 Specifications

1. Specifications

Technical specifications for air conditioning units.

1.1 FTXS Series Specifications

Technical data for FTXS series indoor and outdoor units.

1.2 FDXS Series Specifications

Technical data for FDXS series indoor and outdoor units.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Indoor Unit Wiring

Connector and PCB layout for indoor units.

2. Outdoor Unit Wiring

Connector and PCB layout for outdoor units.

Part 4 Function and Control

1. Main Functions Overview

Explanation of primary operational functions like temperature and fan speed control.

2. Function of Thermistor

Details on the role and operation of thermistors in the system.

3. Control Specification Details

Technical specifications for various control mechanisms and modes.

1. Safety Considerations

1.1 Safety Considerations for Repair

Crucial safety guidelines and warnings for performing repair work on the unit.

1.2 Safety Considerations for Users

Important safety instructions and warnings for end-users of the air conditioning system.

Part 5 Operation Manual

1. System Configuration Overview

Information on system setup and initial operation after installation.

2. FTXS Series Operation

Detailed operation instructions for the FTXS series air conditioners.

2.1 FTXS Series Remote Controller

Guide to the names and functions of parts on the FTXS series remote controller.

3. FDXS Series Operation

Detailed operation instructions for the FDXS series air conditioners.

3.1 FDXS Series Remote Controller

Guide to the names and functions of parts on the FDXS series remote controller.

Part 6 Service Diagnosis

1. Troubleshooting with LED Indicators

Diagnosing issues using LED indicators on indoor and outdoor units.

2. Problem Symptoms and Measures

Common operational problems and their corresponding solutions.

3. Service Check Function

Procedures for accessing and utilizing the service check function.

4. Troubleshooting Error Codes

Guide to identifying and resolving errors based on error codes.

5. Component Checks

Detailed checks for various system components to diagnose faults.

Part 7 Removal Procedure

1. Indoor Unit FTXS09/12LVJU Removal

Step-by-step guide for removing components of the FTXS09/12LVJU indoor unit.

2. Indoor Unit FTXS15/18/24LVJU Removal

Step-by-step guide for removing components of the FTXS15/18/24LVJU indoor unit.

3. Indoor Unit FTXS30/36LVJU Removal

Step-by-step guide for removing components of the FTXS30/36LVJU indoor unit.

4. Outdoor Unit RXS09/12LVJU Removal

Step-by-step guide for removing components of the RXS09/12LVJU outdoor unit.

5. Outdoor Unit RXS15/18LVJU Removal

Step-by-step guide for removing components of the RXS15/18LVJU outdoor unit.

6. Outdoor Unit RXS24LVJU Removal

6.1 Removal of Outer Panels

Procedure for removing the outer panels of the RXS24LVJU outdoor unit.

6.2 Removal of Electrical Box

Procedure for removing the electrical box from the RXS24LVJU outdoor unit.

6.3 Removal of PCBs

Procedure for removing the Printed Circuit Boards from the RXS24LVJU outdoor unit.

6.4 Removal of Fan Motor

Procedure for removing the fan motor from the RXS24LVJU outdoor unit.

6.5 Removal of Coils / Thermistors

Procedure for removing coils and thermistors from the RXS24LVJU outdoor unit.

6.6 Removal of Sound Blankets

Procedure for removing the sound blankets from the RXS24LVJU outdoor unit.

6.7 Removal of Compressor

Procedure for removing the compressor from the RXS24LVJU outdoor unit.

7. Outdoor Unit RKS30/36LVJU, RXS30/36LVJU Removal

7.1 Removal of Outer Panels

Procedure for removing outer panels for RKS30/36LVJU and RXS30/36LVJU outdoor units.

7.2 Removal of Electrical Box

Procedure for removing the electrical box for RKS30/36LVJU and RXS30/36LVJU outdoor units.

7.3 Removal of PCBs

Procedure for removing PCBs from RKS30/36LVJU and RXS30/36LVJU outdoor units.

7.4 Removal of Fan Motor

Procedure for removing the fan motor from RKS30/36LVJU and RXS30/36LVJU outdoor units.

7.5 Removal of Coils / Thermistors

Procedure for removing coils and thermistors from RKS30/36LVJU and RXS30/36LVJU outdoor units.

7.6 Removal of Sound Blankets

Procedure for removing sound blankets from RKS30/36LVJU and RXS30/36LVJU outdoor units.

7.7 Removal of Compressor

Procedure for removing the compressor from RKS30/36LVJU and RXS30/36LVJU outdoor units.

Part 8 Trial Operation and Field Settings

1. Pump Down Operation

Procedure for pump down operation before relocating or disposing of the unit.

2. Forced Cooling Operation

Instructions for initiating and managing the forced cooling operation mode.

3. Trial Operation Guide

Steps for performing trial operation to verify system functionality.

4. Field Settings

Configuration settings for the air conditioning system in the field.

4.1 Model Type Setting

Setting the heat pump or cooling-only model using DIP switch.

4.2 Temperature Display Switch

Procedure to switch between Fahrenheit and Celsius for temperature display.

4.3 When 2 Units are Installed in 1 Room

Configuration for systems with two indoor units in one room.

4.4 Facility Setting Jumper and Switch

Adjusting outdoor unit PCB settings for low outdoor temperature cooling.

4.5 Jumper Settings

Details on jumper functions for fan speed and power failure recovery.

5. Silicon Grease Application

Instructions for applying silicon grease to power transistor and diode bridge for heat dissipation.

Part 9 Appendix

1. Piping Diagrams

Schematic diagrams illustrating the piping of the air conditioning system.

1.1 Indoor Unit Piping Diagrams

Piping diagrams specific to the indoor units.

1.2 Outdoor Unit Piping Diagrams

Piping diagrams specific to the outdoor units.

2. Wiring Diagrams

Schematic diagrams illustrating the electrical wiring of the system.

2.1 Indoor Unit Wiring Diagrams

Wiring diagrams specific to the indoor units.

2.2 Outdoor Unit Wiring Diagrams

Wiring diagrams specific to the outdoor units.