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Daikin FTXG25JV1BW Service Manual

Also see for Inverter FTXG50JV1BS: Service manualOperation manualService manual

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. safety cautions
  6. part 1 list of functions
  7. Functions
  8. part 2 specifications
  9. Specifications
  10. Part 3 Printed Circuit Board Connector Wiring Diagram
  11. Indoor Unit
  12. Outdoor Unit
  13. RXG50K2V1B
  14. Part 4 Function and Control
  15. main functions
  16. operation starting control
  17. airflow direction control
  18. fan speed control for indoor unit
  19. program dry operation
  20. automatic operation
  21. thermostat control
  22. night set mode
  23. ECONO Operation
  24. INTELLIGENT EYE Operation
  25. inverter powerful operation
  26. other functions
  27. function of thermistor
  28. control specification
  29. frequency control
  30. Controls at Mode Changing / Start-up
  31. compressor protection function
  32. Discharge Pipe Temperature Control
  33. input current control
  34. Freeze-up Protection Control
  35. outdoor fan control
  36. defrost control
  37. Outdoor Electronic Expansion Valve Control
  38. pressure equalizing control
  39. Malfunctions
  40. Part 5 Operation Manual
  41. system configuration
  42. Operation Manual
  43. remote controller
  44. fan operation
  45. operating conditions
  46. Adjusting the Airflow Direction and Rate
  47. COMFORT AIRFLOW Operation
  49. POWERFUL Operation
  50. OUTDOOR UNIT QUIET Operation
  51. during operation
  52. OFF TIMER Operation
  53. ON TIMER Operation
  54. WEEKLY TIMER Operation
  55. Part 6 Service Diagnosis
  56. troubleshooting with led
  57. problem symptoms and measures
  58. Service Check Function
  59. troubleshooting
  60. indoor unit pcb abnormality
  61. Freeze-up Protection Control or Heating Peak-cut Control
  62. Fan Motor (DC Motor) or Related Abnormality
  63. Thermistor or Related Abnormality (Indoor Unit)
  64. Front Panel Open / Close Fault
  65. Signal Transmission Error (between Indoor Unit and Outdoor Unit)
  66. Unspecified Voltage (between Indoor Unit and Outdoor Unit)
  67. outdoor unit pcb abnormality
  68. OL Activation (Compressor Overload)
  69. compressor lock
  70. dc fan lock
  71. input overcurrent detection
  72. four way valve abnormality
  74. high pressure control in cooling
  75. compressor system sensor abnormality
  76. position sensor abnormality
  77. DC Voltage / Current Sensor Abnormality (25/35 Class)
  78. CT or Related Abnormality (50 Class)
  79. Thermistor or Related Abnormality (Outdoor Unit)
  80. electrical box temperature rise
  81. radiation fin temperature rise
  82. output overcurrent detection
  83. refrigerant shortage
  84. Low-voltage Detection or Over-voltage Detection
  85. signal transmission error on outdoor unit pcb
  86. thermistor resistance check
  87. fan motor connector check
  88. Electronic Expansion Valve Coil Check
  89. four way valve performance check
  90. Inverter Checker" Check
  91. rotation pulse check on the outdoor unit pcb
  92. installation condition check
  93. outdoor fan system check
  94. capacitor voltage check
  95. Part 7 Removal Procedure
  97. Removal of Horizontal Blades
  98. removal of front grille
  99. Removal of Front Panel Mechanism ASSY
  100. Removal of Display Lens ASSY
  101. Removal of Reduction Motor / Limit Switch
  102. Removal of Fan Guards / Electrical Box
  103. Removal of PCBs
  104. Removal of Swing Motors
  105. removal of indoor heat exchanger
  106. Removal of Fan Rotor / Fan Motor
  107. removal of vertical blade assys
  108. Outdoor Unit - 25/35 Class
  109. Removal of Electrical Box
  111. Removal of Reactor / Partition Plate
  112. removal of sound blankets
  113. Removal of Four Way Valve
  114. Removal of Compressor
  115. removal of outer panels
  116. Removal of Outdoor Fan / Fan Motor
  119. Removal of Sound Blankets / Thermistors
  121. removal of electronic expansion valve
  123. Part 8 Trial Operation and Field Settings
  124. pump down operation
  125. forced cooling operation
  126. trial operation
  127. field settings
  128. standby electricity saving
  129. Application of Silicon Grease to a Power Transistor and a Diode Bridge
  130. Part 9 Appendix
  131. Piping Diagrams
  132. Wiring Diagrams
Daikin FTXG25JV1BW Service Manual Manual pdf 114 page image
Troubleshooting SiBE041012_A103 Service Diagnosis4.18 Position Sensor AbnormalityRemoteControllerDisplayH6Method ofMalfunctionDetectionA compressor start-up failure is detected by checking the compressor running condition throughthe position detection circuit.MalfunctionDecisionConditions„ If the error repeats, the system is shut down.„ Reset condition: Continuous run for about 11 minutes (50 class: 5 minutes) without anyother errorSupposedCauses„ Disconnection of the compressor relay cable„ Defective compressor„ Defective outdoor unit PCB„ Start-up failure caused by the closed stop valve„ Input voltage is out of specification
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This manual is suitable for:
Inverter FTXG50JV1BSInverter FTXG50JV1BWRXG25J2V1BRXG25K2V1BRXG35J2V1BRXG35K2V1BRXG50K2V1BSuper Multi NX FTXG25JV1BSSuper Multi NX FTXG25JV1BWSuper Multi NX FTXG35JV1BSSuper Multi NX FTXG35JV1BW
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