Daikin RX12FVJU Manuals

Manuals and User Guides for Daikin RX12FVJU. We have 2 Daikin RX12FVJU manuals available for free PDF download: Service Manual

Daikin RX12FVJU Service Manual

Daikin RX12FVJU Service Manual (308 pages)

Inverter Pair Wall Mounted Type

Brand: Daikin | Category: Air Conditioner | Size: 21 MB

Table of Contents

Table of Contents
3
Introduction
7
- Safety Cautions
  7
- Used Icons
  11
Part 1 List of Functions

12
- List of Functions
  13
Part 2 Specifications

14
- Specifications
  15
Part 3 Printed Circuit Board Connector Wiring Diagram

18
- Printed Circuit Board Connector Wiring Diagram
  19
  - Ftxs09/12Dvju
    19
  - Ftxs15/18/24Dvju
    21
  - Rx09/12Fvju
    23
  - Rx15/18/24Fvju
    25
Part 4 Function and Control

28
- Main Functions
  30
  - Frequency Principle
    30
  - Power-Airflow Dual Flaps, Wide-Angle Louvres and Auto-Swing
    32
  - Fan Speed Control for Indoor Units
    33
  - Programme Dry Function
    34
  - Automatic Operation
    35
  - Thermostat Control
    36
  - NIGHT SET Mode
    37
  - Intelligent Eye
    38
  - HOME LEAVE Operation
    40
  - Inverter POWERFUL Operation
    41
  - Other Functions
    42
- Function of Thermistor
  44
  - Heat Pump Model
    44
- Control Specification (09/12 Class)
  45
  - Mode Hierarchy
    45
  - Frequency Control
    46
  - Controls at Mode Changing / Start-Up
    48
  - Discharge Pipe Temperature Control
    49
  - Input Current Control
    50
  - Freeze-Up Protection Control
    50
  - Heating Peak-Cut Control
    51
  - Fan Control
    51
  - Liquid Compression Protection Function 2
    51
  - Defrost Control
    52
  - Electronic Expansion Valve Control
    53
  - Malfunctions
    56
  - Forced Operation Mode
    57
  - Additional Function
    57
- Control Specification (15/18/24 Class)
  58
  - Mode Hierarchy
    58
  - Frequency Control
    59
  - Controls at Mode Changing / Start-Up
    61
  - Discharge Pipe Temperature Control
    62
  - Input Current Control
    63
  - Freeze-Up Protection Control
    64
  - Heating Peak-Cut Control
    64
  - Fan Control
    65
  - Liquid Compression Protection Function 2
    65
  - Low Hz High Pressure Limit
    66
  - Defrost Control
    66
  - Electronic Expansion Valve Control
    67
  - Malfunctions
    70
  - Forced Operation Mode
    71
  - Additional Function
    71
Part 5 Operation Manual

72
- System Configuration
  73
- Instruction
  74
  - Safety Precautions
    74
  - Ftxs09/12Dvju
    76
  - Ftxs15/18/24Dvju
    101
Part 6 Service Diagnosis

126
- Caution for Diagnosis
  127
- Problem Symptoms and Measures
  129
- Service Check Function
  130
- Troubleshooting
  133
  - Error Codes and Description
    133
  - Indoor Unit PCB Abnormality
    134
  - Freeze-Up Protection Control or High Pressure Control
    135
  - Fan Motor or Related Abnormality
    137
  - Thermistor or Related Abnormality (Indoor Unit)
    140
  - Signal Transmission Error (between Indoor and Outdoor Unit)
    141
  - OL Activation (Compressor Overload)
    143
  - Compressor Lock
    144
  - DC Fan Lock
    146
  - Input over Current Detection
    147
  - Four Way Valve Abnormality
    150
  - Discharge Pipe Temperature Control
    154
  - High Pressure Control in Cooling
    156
  - Position Sensor Abnormality
    160
  - DC Voltage / Current Sensor Abnormality
    162
  - CT or Related Abnormality
    163
  - Thermistor or Related Abnormality (Outdoor Unit)
    165
  - Sius04
    166
  - Electrical Box Temperature Rise
    167
  - Radiation Fin Temperature Rise
    169
  - Output over Current Detection
    171
  - Insufficient Gas
    175
  - Over-Voltage Detection
    179
  - Low-Voltage Detection
    180
- Check
  181
  - How to Check
    181
Part 7 Removal Procedure

192
- Ftxs09/12Dvju
  193
  - Removal of Air Filter
    193
  - Removal of Front Grille
    196
  - Removal of Horizontal Blade and Vertical Blade
    199
  - Removal of Electrical Box, PCB and Swing Motor
    201
  - Removal of Heat Exchanger
    207
  - Install of Drain Plug
    210
  - Removal of Fan Rotor and Fan Motor
    212
- Ftxs15/18/24Dvju
  216
- Rx09/12Fvju
  240
  - Removal of Panels and Fan Motor
    240
  - Removal of Electrical Box
    248
  - Removal of Reactor and Partition Plate
    250
  - Removal of Sound Blanket
    252
  - Removal of Four Way Valve
    255
  - Removal of Compressor
    257
  - Removal of PCB
    260
- Rx15/18/24Fvju
  263
  - Removal of the Panels and Plates
    263
  - Removal of the Fan Motor / Propeller Fan
    268
  - Removal of the PCB / Electrical Box
    272
  - Removal of the Reactor
    281
  - Removal of the Sound Blanket
    283
  - Removal of the Four Way Valve
    286
  - Removal of the Electronic Expansion Valve
    287
  - Removal of the Compressor
    288
Part 8 Others

291
- Others
  291
  - Test Run from the Remote Controller
    291
  - Jumper Settings
    292
Part 9 Appendix

294
- Piping Diagrams
  295
  - Indoor Units
    295
  - Outdoor Units
    296
- Wiring Diagrams
  298
  - Indoor Units
    298
  - Outdoor Units
    299
Index

300

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Daikin RX12FVJU Service Manual

Daikin RX12FVJU Service Manual (26 pages)

Brand: Daikin | Category: Air Conditioner | Size: 1 MB

Table of Contents

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