Daikin RKS60F3V1B - User Manual

Service
Manual
[Applied Models]
z Inverter Pair : Cooling Only
z Inverter Pair : Heat Pump
Inverter Pair
Wall Mounted Type G-Series
SiBE041011_A

Summary

1. Introduction

1.1 Safety Cautions

Important safety precautions for users and workers during repair and operation.

Part 1 List of Functions

1.1 Cooling Only

1.2 Heat Pump

Part 2 Specifications

1.1 Cooling Only

Specifications for cooling-only operation.

1.2 Heat Pump

Specifications for heat pump operation.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Indoor Unit

2. Outdoor Unit

Part 4 Function and Control

1. Main Functions

1.2 Frequency Principle

2. Function of Thermistor

3. Control Specification

Details the control logic and specifications for various unit operations.

3.2 Frequency Control

Details how compressor frequency is determined and controlled.

3.3 Controls at Mode Changing; Start-up

Explains controls during mode changes, including preheating and valve switching.

3.4 Discharge Pipe Temperature Control

Describes how discharge pipe temperature limits compressor frequency.

3.5 Input Current Control

Explains how input current affects frequency limits and operation.

3.6 Freeze-up Protection Control

Details the control to prevent indoor heat exchanger freezing during cooling.

3.7 Heating Peak-cut Control

Explains controls to prevent high pressure during heating.

3.9 Liquid Compression Protection Function

3.10 Defrost Control

Details the defrosting cycle and conditions for starting/canceling it.

3.11 Electronic Expansion Valve Control

Explains the control logic for the electronic expansion valve.

3.12 Malfunctions

Details various malfunctions and their detection methods.

3.12.1 Sensor Malfunction Detection

3.12.2 Detection of Overcurrent and Overload

Monitors overcurrent and overload conditions to protect the compressor.

3.12.3 Refrigerant Shortage Control

Detects refrigerant shortage based on power consumption or pipe temperature.

Part 6 Service Diagnosis

1. Troubleshooting with LED

Explains troubleshooting using LED indicators on indoor and outdoor units.

2. Problem Symptoms and Measures

Lists common unit problems and their corresponding checks and solutions.

3. Service Check Function

Describes methods to access error codes and perform diagnostic checks.

4. Troubleshooting

Detailed guide for diagnosing and resolving unit malfunctions.

4.1 Error Codes and Description

Provides a comprehensive list of error codes and their descriptions with reference pages.

4.2 Indoor Unit PCB Abnormality

Troubleshooting steps for errors related to the indoor unit's printed circuit board.

4.3 Freeze-up Protection Control or Heating Peak-cut Control

Diagnoses issues related to freeze-up or heating peak-cut control errors.

4.4 Fan Motor (DC Motor) or Related Abnormality

4.5 Thermistor or Related Abnormality (Indoor Unit)

4.6 Refrigerant Shortage

Troubleshooting steps for detecting and resolving refrigerant shortage issues.

4.7 Low-voltage Detection or Over-voltage Detection

4.8 Signal Transmission Error (between Indoor Unit and Outdoor Unit)

Troubleshooting steps for communication errors between indoor and outdoor units.

4.9 Signal Transmission Error on Outdoor Unit PCB (RK(X)S60 F3 V1 B, 71 Class Only)

4.10 Unspecified Voltage (between Indoor Unit and Outdoor Unit)

4.11 Outdoor Unit PCB Abnormality

Troubleshooting for errors indicating a defective outdoor unit PCB.

4.12 OL Activation (Compressor Overload)

Addresses errors related to compressor overload or OL activation.

4.13 Compressor Lock

Troubleshooting steps for compressor lock errors.

4.14 DC Fan Lock

4.15 Input Overcurrent Detection

Troubleshooting for input overcurrent detection errors.

4.16 Four Way Valve Abnormality

4.17 Discharge Pipe Temperature Control

4.18 High Pressure Control in Cooling

4.19 Compressor System Sensor Abnormality

Troubleshooting for abnormalities in compressor system sensors.

4.20 Position Sensor Abnormality

4.21 CT or Related Abnormality (RK(X)S60 F3 V1 B, 71 Class Only)

4.22 Thermistor or Related Abnormality (Outdoor Unit)

4.23 Electrical Box Temperature Rise

4.24 Radiation Fin Temperature Rise

4.25 Output Overcurrent Detection

Troubleshooting for output overcurrent detection errors.

5. Check

Procedures for checking various components and systems.

5.1 Thermistor Resistance Check

5.4 Electronic Expansion Valve Check

5.5 Four Way Valve Performance Check

5.6 Inverter Units Refrigerant System Check

5.7 Inverter Analyzer Check

Explains how to use an inverter analyzer to diagnose compressor issues.

5.8 Rotation Pulse Check on the Outdoor Unit PCB

5.10 Discharge Pressure Check

5.12 Main Circuit Short Check

5.14 Power Module Check

Part 7 Trial Operation and Field Settings

1. Pump Down Operation

2. Forced Cooling Operation

3. Trial Operation

4. Field Settings

Daikin RKS60F3V1B Specifications

General

Brand	Daikin
Model	RKS60F3V1B
Category	Air Conditioner
Language	English