Daikin RXL20G2V1B9 Manuals

Manuals and User Guides for Daikin RXL20G2V1B9. We have 2 Daikin RXL20G2V1B9 manuals available for free PDF download: Service Manual, Service Manual Removal Procedure

Daikin RXL20G2V1B9 Service Manual (294 pages)

Heat Pump/Indoor/Outdoor Units, Inverter Pair Wall Mounted Type G-Series

Brand: Daikin | Category: Air Conditioner | Size: 10 MB

Table of Contents
4
Introduction
9
- Safety Cautions
  9
- Used Icons
  13
Part 1 List of Functions

15
- Functions
  16
Part 2 Specifications

17
- Specifications
  18
Part 3 Printed Circuit Board Connector Wiring Diagram

21
- Printed Circuit Board Connector Wiring Diagram
  21
  - Indoor Unit
    21
  - Outdoor Unit
    25
- Main Functions
  34
  - Frequency Principle
    34
  - Airflow Direction Control
    36
  - Fan Speed Control for Indoor Units
    37
  - Program Dry Operation
    38
  - Automatic Operation
    39
  - Thermostat Control
    40
  - NIGHT SET Mode
    41
  - ECONO Operation
    42
  - 2-Area INTELLIGENT EYE Operation
    43
  - Area INTELLIGENT EYE Operation
    44
  - Inverter POWERFUL Operation
    45
  - Other Functions
    46
- Function of Thermistor
  47
- Control Specification
  48
  - Mode Hierarchy
    48
  - Frequency Control
    49
  - Controls at Mode Changing / Start-Up
    51
  - Compressor Protection Function
    52
  - Discharge Pipe Temperature Control
    53
  - Input Current Control
    54
  - Freeze-Up Protection Control
    55
  - Heating Peak-Cut Control
    55
  - Outdoor Fan Control
    56
  - Liquid Compression Protection Function
    56
  - Defrost Control
    57
  - Electronic Expansion Valve Control
    58
  - Malfunctions
    61
  - Forced Operation Mode
    62
  - Standby Electricity Saving
    62
- System Configuration
  64
- Operation Manual
  65
  - Remote Control
    65
  - Auto Dry Cool Heat Fan Operation
    66
  - Adjusting the Airflow Direction
    68
  - COMFORT AIRFLOW and INTELLIGENT EYE Operation
    70
  - POWERFUL Operation
    73
  - OUTDOOR UNIT QUIET Operation
    74
  - ECONO Operation
    75
  - TIMER Operation
    76
  - TIMER Operation
    77
  - WEEKLY TIMER Operation
    78
- Caution for Diagnosis
  85
  - Troubleshooting with LED
    85
- Problem Symptoms and Measures
  86
- Service Check Function
  87
  - ARC452 Series
    87
- Troubleshooting
  90
- Check
  133
  - How to Check
    133
    
    Fan Motor Connector Output Check
    133
    
    Electronic Expansion Valve Check
    133
    
    Four Way Valve Performance Check
    134
    
    Thermistor Resistance Check
    135
    
    Installation Condition Check
    136
    
    Discharge Pressure Check
    136
    
    Outdoor Fan System Check
    137
    
    Power Supply Waveforms Check
    137
    
    Capacitor Voltage Check
    138
    
    Power Module Check
    138
    
    Rotation Pulse Check on the Outdoor Unit Pcb
    139
    
    Main Circuit Short Check
    140
Part 7 Removal Procedure

141
- Indoor Unit
  143
  - Removal of Air Filter
    143
  - Removal of Front Panel
    145
  - Removal of Front Grille
    147
  - Removal of Horizontal Blades / Vertical Blades
    150
  - Removal of Electrical Box
    153
  - Removal of PCB
    156
  - Removal of Indoor Heat Exchanger
    161
  - Removal of Swing Motors
    164
  - Removal of Fan Motor
    168
- Outdoor Unit - RXL20G2V1B
  171
  - Removal of Outer Panels / Fan Motor
    171
  - Removal of Electrical Box
    179
  - Removal of Drain Pan Heater
    183
  - Removal of Thermistors
    185
  - Removal of PCB
    187
  - Removal of Reactor / Partition Plate
    190
  - Removal of Sound Blanket
    192
  - Removal of Four Way Valve
    193
  - Removal of Compressor
    196
- Outdoor Unit - RXL20G2V1B9
  198
  - Removal of Outer Panels / Fan Motor
    198
  - Removal of Electrical Box
    207
  - Removal of Drain Pan Heater
    210
  - Removal of PCB
    212
  - Removal of Reactor / Partition Plate
    220
  - Removal of Sound Blanket
    222
  - Removal of Four Way Valve
    224
  - Removal of Compressor
    227
- Outdoor Unit - RXL25G2V1B
  229
  - Removal of Outer Panels
    229
  - Removal of Electrical Box
    231
  - Removal of PCB
    236
  - Removal of Drain Pan Heater
    241
  - Removal of Sound Blanket
    243
  - Removal of Outdoor Fan / Fan Motor
    245
  - Removal of Thermistors
    248
  - Removal of Four Way Valve / Electronic Expansion Valve
    249
  - Removal of Compressor
    252
- Outdoor Unit - RXL35G2V1B
  255
  - Removal of Outer Panels
    255
  - Removal of Outdoor Fan / Fan Motor
    259
  - Removal of Electrical Box
    263
  - Removal of PCB
    269
  - Removal of Drain Pan Heater
    272
  - Removal of Sound Blanket / Thermistors
    274
  - Removal of Four Way Valve
    276
  - Removal of Electronic Expansion Valve
    277
  - Removal of Compressor
    278
Part 8 Trial Operation and Field Settings

281
- Trial Operation
  282
- Field Settings
  283
  - When 2 Units Are Installed in 1 Room
    283
  - Standby Electricity Saving
    284
  - Jumper and Switch Settings
    285
- Application of Silicon Grease to a Power Transistor and a Diode Bridge
  286
Part 9 Appendix

287
- Piping Diagrams
  288
  - Indoor Unit
    288
  - Outdoor Unit
    289
- Wiring Diagrams
  291
  - Indoor Unit
    291
  - Outdoor Unit
    291

Daikin RXL20G2V1B9 Service Manual Removal Procedure (33 pages)

2.0/2.5/3.0/3.5 kW Class

Brand: Daikin | Category: Air Conditioner | Size: 2 MB

Daikin Categories

Air Conditioner Heat Pump Chiller Remote Control Air Handlers

More Daikin Manuals

Daikin RXL20G2V1B9 Manuals

Daikin RXL20G2V1B9 Service Manual (294 pages)

Table of Contents

Part 1 List of Functions

Part 2 Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 7 Removal Procedure

Part 8 Trial Operation and Field Settings

Part 9 Appendix

Daikin RXL20G2V1B9 Service Manual Removal Procedure (33 pages)

Table of Contents

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