Daikin R25DSG Manuals

Manuals and User Guides for Daikin R25DSG. We have 1 Daikin R25DSG manual available for free PDF download: Service Manual

Daikin R25DSG Service Manual

Daikin R25DSG Service Manual (268 pages)

Non Inverter Pair, Indoor/Outdoor Unit

Brand: Daikin | Category: Air Conditioner | Size: 12 MB

Table of Contents

Table of Contents
3
Introduction
6
- Safety Cautions
  6
Part 1 List of Function

10
- Functions
  11
Part 2 Specifications

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

20
- Printed Circuit Board Connector Wiring Diagram
  21
  - Indoor Unit
    21
  - Outdoor Unit
    27
Part 4 Details of Functions

30
- Functions of FT25/35/50D, FT09/13/15D Models
  31
  - Air Flow Direction Control
    31
  - Fan Speed Control for Indoor Units
    32
  - Thermostat Control
    33
  - Programme Dry Function
    34
  - NIGHT SET Mode
    35
  - POWERFUL Operation
    36
  - Freeze-Up Protection Control
    37
  - Other Functions
    38
- Functions of FT60D Model
  39
  - Frequency Principle
    39
  - Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing
    41
  - Fan Speed Control for Indoor Units
    42
  - Thermostat Control
    43
  - Programme Dry Function
    44
  - Night Set Mode
    45
  - POWERFUL Operation
    46
  - Other Functions
    47
- Control Specification of R60D Model
  48
  - Function of Thermistor
    48
  - Mode Hierarchy
    49
  - Frequency Control
    50
  - Controls at Mode Changing / Start-Up
    52
  - Discharge Pipe Temperature Control
    52
  - Input Current Control
    53
  - Freeze-Up Protection Control
    53
  - Fan Control
    54
  - Liquid Compression Protection Function 2
    54
  - Electronic Expansion Valve Control
    55
  - Malfunctions
    58
  - Forced Operation Mode
    59
  - Additional Function
    59
Part 5 System Configuration

60
- System Configuration
  61
- Instructions
  62
  - Safety Precautions
    62
  - 25/35 Class
    64
  - 50/60 Class
    83
Part 6 Service Diagnosis

104
- Caution for Diagnosis
  105
- Troubleshooting by Symptoms
  107
- Service Check Function
  112
- Troubleshooting
  115
  - Error Codes and Description
    115
  - Indoor Unit PCB Abnormality
    116
  - Freeze-Up Protection Control
    117
  - Fan Motor or Related Abnormality
    118
  - Thermistor or Related Abnormality (Indoor Unit)
    121
  - Signal Transmission Error (between Indoor and Outdoor Units)
    122
  - OL Activation (Compressor Overload)
    123
  - Compressor Lock
    124
  - DC Fan Lock
    125
  - Input over Current Detection
    126
  - Discharge Pipe Temperature Control
    128
  - High Pressure Control in Cooling
    129
  - Position Sensor Abnormality
    131
  - CT or Related Abnormality
    132
  - Thermistor or Related Abnormality (Outdoor Unit)
    134
  - Electrical Box Temperature Rise
    136
  - Radiation Fin Temperature Rise
    138
  - Output over Current Detection
    140
  - Insufficient Gas
    142
  - Low-Voltage Detection
    144
- Check
  145
  - How to Check
    145
Part 7 Removal Procedure

154
- Ft09/13Dv2S, Ft25/35Dvm, Ft25/35Dsg
  155
  - Removal of Air Filter
    155
  - Removal of Front Panel
    157
  - Removal of Front Grille
    159
  - Removal of Horizontal Blades and Vertical Blades
    162
  - Removal of Electrical Box
    165
  - Removal of PCB
    168
  - Removal of Drain Pan Unit
    174
  - Removal of Fan Motor
    178
  - Removal of Heat Exchanger
    180
  - Removal of Fan Rotor
    183
- Ft15Dv2S, Ft50/60Dsg
  186
- R25/35Dv1
  204
  - Removal of Panels
    204
  - Removal of Bellmouth and Left Side Plate
    206
  - Removal of Electrical Device Mounting Plate
    207
  - Removal of Propeller Fan and Fan Motor
    208
  - Removal of Sound Blanket
    209
  - Removal of Partition Plate
    211
  - Removal of Compressor
    213
- R50Dsg
  214
  - Removal of Panels
    214
  - Removal of Electrical Box
    215
  - Removal of Compressor
    218
- R60Dsg
  220
  - Removal of the Panels and Plates
    220
  - Removal of the Fan Motor / Propeller Fan
    224
  - Removal of the PCB / Electrical Box
    228
  - Removal of the Reactor
    235
  - Removal of the Sound Blanket
    237
  - Removal of the Electronic Expansion Valve
    239
  - Removal of the Compressor
    240
Part 8 Others

242
- Others
  243
  - Test Run from the Remote Controller
    243
  - Jumper Settings
    244
Part 9 Appendix

246
- Piping Diagrams
  247
  - Indoor Units
    247
  - Outdoor Units
    249
- Wiring Diagrams
  252
  - Indoor Units
    252
  - Outdoor Units
    256
Index

262

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