Daikin RXS35D2VMB - User Manual

SiEBE04-507A
Service Manual
/ Inverter Pair Wall Mounted Type D-Series
SiENBE04-507A
Ser vice
Manual
[Applied Models]
!Inverter Pair : Cooling Only
!Inverter Pair : Heat Pump
Inverter Pair
Wall Mounted Type D-Series
Daikin Europe N.V. participates in the Eurovent
Certification Programme for Air Conditioners (AC),
Liquid Chilling Packages (LCP) and Fan Coil Units (FC);
the certified data of certified models are listed in the
Eurovent Directory.
ISO14001 assures an effective environmental
management system in order to help protect human
health and the environment from the potential impact
of our activities, products and services and to assist in
maintaining and improving the quality of the
environment.
Daikin Europe N.V. is approved by LRQA for its Quality
Management System in accordance with the ISO9001
standard. ISO9001 pertains to quality assurance
regarding design, development, manufacturing as well
as to services related to the product.
Daikin units comply with the European regulations that
guarantee the safety of the product.
SiENBE04-507A • 06/2007 • Copyright © Daikin Printed in Belgium by Lannoo, a company whose concern for the environment is set in the EMAS and ISO 14001 systems. www.lannooprint.be
ÉSiENBE04-507AÄËÍ
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Zandvoordestraat 300
B-8400 Oostende - Belgium
www.daikin.eu
BTW: BE 0412 120 336
RPR Oostende
"The present publication is drawn up by way of information only
and does not constitute an offer binding upon Daikin Europe N.V..
Daikin Europe N.V. has compiled the content of this publication to
the best of its knowledge. No express or implied warranty is given
for the completeness, accuracy, reliability or fitness for particular
purpose of its content and the products and services presented
therein. Specifications are subject to change without prior notice.
Daikin Europe N.V. explicitly rejects any liability for any direct or
indirect damage, In the broadest sense, arising from or related to
the use and/or interpretation of this publication. All content is
copyrighted by Daikin Europe N.V.."
Daikin’s unique position as a manufacturer of air
conditioning equipment, compressors and
refrigerants has led to its close involvement in
environmental issues.
For several years Daikin has had the intension to
become a leader in the provision of products
that have limited impact on the environment.
This challenge demands the eco design and
development of a wide range of products and
an energy management system, resulting in
energy conservation and a reduction of waste.

Summary

Part 1 List of Functions

1. List of Functions

Lists all available functions of the inverter pair unit, categorized by type.

Part 2 Specifications

1. Specifications

Provides detailed technical specifications for various models of the air conditioner.

1.1 Cooling Only

Lists specifications specific to the cooling-only models of the air conditioner.

1.2 Heat Pump

Lists specifications specific to the heat pump models of the air conditioner.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Printed Circuit Board Connector Wiring Diagram

Illustrates the wiring diagrams and connector layouts for the unit's PCBs.

1.1 Indoor Unit

Details the connector assignments and functions for the indoor unit's printed circuit board.

1.2 Outdoor Unit

Details the connector assignments and functions for the outdoor unit's printed circuit board.

Part 4 Function and Control

1. Main Functions

1.1 Frequency Principle

2. Function of Thermistor

2.1 Heat Pump Model

2.2 Cooling Only Model

3. Control Specification

3.2 Frequency Control

3.3 Controls at Mode Changing; Start-up

3.4 Discharge Pipe Control

3.5 Input Current Control

3.6 Freeze-up Protection Control

3.7 Heating Peak-cut Control

3.10 Defrost Control

3.11 Electronic Expansion Valve Control

3.12 Malfunctions

Covers detection, causes, and troubleshooting of various system malfunctions.

Part 5 System Configuration

1. System Configuration

2.1 Safety Precautions

Lists essential safety precautions for installation, operation, and maintenance to ensure user safety.

2.12 Troubleshooting

Offers solutions for common operational issues, symptoms, and troubleshooting guidance.

Part 6 Service Diagnosis

1. Caution for Diagnosis

2. Problem Symptoms and Measures

Lists common operating problems and their corresponding measures for diagnosis and resolution.

3. Service Check Function

4. Troubleshooting

Provides a comprehensive guide to diagnosing and resolving system errors and malfunctions.

4.1 Error Codes and Description

Lists all error codes displayed by the system and their corresponding descriptions for diagnosis.

4.2 Indoor Unit PCB Abnormality

Guides on diagnosing and resolving issues related to the indoor unit's Printed Circuit Board (PCB).

4.3 Freeze-up Protection Control or High Pressure Control

Explains troubleshooting for freeze-up protection and high-pressure control issues in the system.

4.4 Fan Motor (DC Motor) or Related Abnormality

Details troubleshooting steps for diagnosing and resolving fan motor problems.

4.5 Thermistor or Related Abnormality (Indoor Unit)

Covers troubleshooting for indoor unit thermistor errors and related abnormalities.

4.6 Signal Transmission Error (between Indoor and Outdoor Unit)

Guides on diagnosing errors related to signal transmission between the indoor and outdoor units.

4.7 Unspecified Voltage (between Indoor and Outdoor Units)

Addresses troubleshooting for unspecified voltage issues detected between the indoor and outdoor units.

4.8 Outdoor Unit PCB Abnormality

Guides on diagnosing and resolving issues related to the outdoor unit's Printed Circuit Board (PCB).

4.9 OL Activation (Compressor Overload)

Explains troubleshooting for compressor overload (OL activation) errors and their causes.

4.10 Compressor Lock

Details troubleshooting steps for diagnosing and resolving compressor lock errors.

4.11 DC Fan Lock

Guides on troubleshooting DC fan lock issues and potential causes.

4.12 Input Over Current Detection

Explains troubleshooting for input over-current detection errors in the system.

4.13 Four Way Valve Abnormality

Covers troubleshooting for abnormalities detected in the four-way valve.

4.14 Discharge Pipe Temperature Control

Details troubleshooting for discharge pipe temperature control issues and related errors.

4.15 High Pressure Control in Cooling

Guides on troubleshooting high-pressure control issues specifically in cooling mode.

4.16 Compressor System Sensor Abnormality

Covers troubleshooting for abnormalities detected in the compressor system's sensors.

4.17 Position Sensor Abnormality

Details troubleshooting for position sensor abnormalities related to compressor startup.

4.18 DC Voltage; Current Sensor Abnormality

Explains troubleshooting for DC voltage and current sensor abnormalities.

4.19 Thermistor or Related Abnormality (Outdoor Unit)

Guides on troubleshooting outdoor unit thermistor errors and related issues.

4.20 Electrical Box Temperature Rise

Details troubleshooting for electrical box temperature rise errors.

4.21 Radiation Fin Temperature Rise

Covers troubleshooting for radiation fin temperature rise errors.

4.22 Output Over Current Detection

Explains troubleshooting for output over-current detection errors in the inverter DC section.

4.23 Insufficient Gas

Guides on troubleshooting insufficient gas conditions detected through various methods.

4.24 Over-voltage Detection

Details troubleshooting for over-voltage detection errors in the system.

5. Check

5.1 How to Check

5.1.1 Fan Motor Connector Output Check

5.1.2 Electronic Expansion Valve Check

5.1.3 Four Way Valve Performance Check

5.1.4 Thermistor Resistance Check

5.1.5 Installation Condition Check

5.1.6 Discharge Pressure Check

5.1.7 Outdoor Unit Fan System Check

5.1.8 Power Supply Waveforms Check

5.1.9 Inverter Units Refrigerant System Check

5.1.10 Power Transistor Check

5.1.11 Turning Speed Pulse Input on the Outdoor Unit PCB Check

Part 7 Removal Procedure

1. Indoor Unit

1.1 Removal of Air Filter

1.2 Removal of Front Panel

1.3 Removal of Front Grille

1.4 Removal of Horizontal Blades and Vertical Blades

1.5 Removal of Electrical Box

1.6 Removal of PCB

1.7 Removal of Drain Pan Unit

1.8 Removal of Fan Motor

1.9 Removal of Heat Exchanger

1.10 Removal of Fan Rotor

2. Outdoor Unit

2.1 Removal of Panels and Fan Motor

2.2 Removal of Electrical Box

2.3 Removal of Reactor and Partition Plate

2.4 Removal of Sound Blanket

2.5 Removal of Four Way Valve

2.6 Removal of Compressor

2.7 Removal of PCB

Daikin RXS35D2VMB Specifications