Daikin FTK-J series Technical Manual
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Daikin FTK-J series Technical Manual

Inverter single split series
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R410A
TECHNICAL MANUAL
Inverter Single Split
Series Air Conditioner
FTK-J, FTXN-J Series
— Cooling only & Heatpump [50Hz] —
TM-5WMY-J-ST-A2

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Summary of Contents for Daikin FTK-J series

  • Page 1 R410A TECHNICAL MANUAL Inverter Single Split Series Air Conditioner FTK-J, FTXN-J Series — Cooling only & Heatpump [50Hz] — TM-5WMY-J-ST-A2...

  • Page 2: Table Of Contents

    Table of Contents Table of Contents Nomenclature........................1 Indoor ..........................1 Outdoor ..........................1 Product Line-Up ......................2 Application Information .....................4 Operating Range ......................4 Refrigerant Circuit Diagrams ..................5 Installation Guideline .....................6 Sound Data ........................10 Sound Pressure Level ....................10 NC Curve ........................11 Engineering & Physical Data ...................13 Performance Data ......................15 Calculation Steps ......................15 Performance Tables .....................17...

  • Page 3: Nomenclature

    Nomenclature Nomenclature Indoor 25 J X V1 9 Revision “ - “ : Original Copy 9 : First Revision Power Supply V1: 220-240V 1 phase 50 Hz Factory Origin X: Malaysia Product Series J: J Series Capacity 25: 2500 Watt* System K: Inverter Cooling Only XN: Inverter Heat Pump...

  • Page 4: Product Line-Up

    Nomenclature Product Line-Up Indoor Unit FTK, FTXN Classifi cation Nomenclature FTK25JXV19 FTK35JXV19 FTK50JXV19 FTK60JXV19 FTXN25JXV1 FTXN35JXV1 FTXN50JXV1 FTXN60JXV1...
  • Page 5 Nomenclature Outdoor Unit RK, RXN Nomenclature RK25FXV19 RK35FXV19 RK50CXV19 RK60CXV19 RXN25FXV1 RXN35FXV1 RXN50CXV1 RXN60CXV1...

  • Page 6: Application Information

    Application Information Application Information Operating Range Ensure the operating temperature is in allowable range. Cooling FTK25/35JXV19 – RK25/35FXV19 FTK50/60JXV19 – RK50/60CXV19 FTXN25/35JXV1 – RXN25/35FXV1 FTXN50/60JXV1 – RXN50/60CXV1 Heating FTXN25/35/50/60JXV1 – RXN25/35FXV1;50/60CXV1...

  • Page 7: Refrigerant Circuit Diagrams

    Application Information Refrigerant Circuit Diagrams Model: FTK25JXV19 – RK25FXV19 / FTK35JXV19 – RK35FXV19 / FTK50JXV19 – RK50CXV19 / FTK60JXV19 – RK60CXV19 COOLING OPERATION PIPING 3 WAY VALVE MUFFLER COMPRESSOR ELECTRONIC EXPANSION VALVE PIPING LIQUID 3 WAY STRAINER VALVE INDOOR UNIT OUTDOOR UNIT Model: FTXN25JXV1 –...

  • Page 8: Installation Guideline

    Application Information Installation Guideline Sharp edges and coil surfaces are potential injury hazard. Avoid from contact with them. Installation Diagram Indoor unit Caulk pipe hole Cut thermal insulation pipe 30mm or more from ceiling gap with putty. to an appropriate length and wrap it with tape, making Front panel sure that no gap is left in the...
  • Page 9 Application Information Outdoor Clearance If the condensing unit is operated in an atmosphere containing oils (including machine oils), salt (coastal area), sulphide gas (near hot spring, oil refi nery plant), such as substances may lead to failure of the unit. •...

  • Page 10: Cable Size

    Application Information Cable Size FTK25JXV19 FTK35JXV19 FTK50JXV19 FTK60JXV19 Model Unit RK25FXV19 RK35FXV19 RK50CXV19 RK60CXV19 Power supply cable size Number of wire Interconnection cable size Number of wire Recommended fuse FTXN25JXV1 FTXN35JXV1 FTXN50JXV1 FTXN60JXV1 Model Unit RXN25CXV19 RXN35CXV19 RXN50CXV19 RXN60CXV19 Power supply cable size Number of wire Interconnection cable size Number of wire...

  • Page 11: Refrigerant Piping

    Application Information Refrigerant Piping Piping Length and Elevation When the pipe length becomes too long, both the capacity and reliability drop. As the number of bends increases, system piping resistance to the refrigerant fl ow increases, thus lowering the cooling capacity, and as the result the compressor may become defective.

  • Page 12: Sound Data

    Sound Data Sound Data Sound Pressure Level 1/1 Octave A-weighted Sound Pressure Level Overall Noise (dB, ref 20μPa) Model Speed (dBA) Criteria 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz Turbo FTK25JXV19 FTXN25JXV1 Quiet Turbo FTK35JXV19 FTXN35JXV1 Quiet Turbo FTK50JXV19 FTXN50JXV1 Quiet Turbo FTK60JXV19...

  • Page 13: Nc Curve

    Sound Data NC Curve FTK25JXV19 / FTXN25JXV1 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) FTK35JXV19 / FTXN35JXV1 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 14 Sound Data FTK50JXV19 / FTXN50JXV1 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) FTK60JXV19 / FTXN60JXV1 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)

  • Page 15: Engineering & Physical Data

    Engineering & Physical Data Engineering & Physical Data Engineering Data - R410A MODEL (Cooling Only) INDOOR UNIT FTK25JXV19 FTK35JXV19 FTK50JXV19 FTK60JXV19 MODEL OUTDOOR UNIT RK25FXV19 RK35FXV19 RK50CXV19 RK60CXV19 Btu/h 8700 (4400 - 10200) 11600 (4400 - 13000) 19100 (5560 - 21150) 21500 (5970 - 22180) NOMINAL COOLING CAPACITY (Max - Min) 2560 (1300 - 3000)
  • Page 16 Engineering & Physical Data Engineering Data - R410A MODEL (Heatpump) INDOOR UNIT FTXN25JXV1 FTXN35JXV1 FTXN50JXV1 FTXN60JXV1 MODEL OUTDOOR UNIT RXN25FXV1 RXN35FXV1 RXN50CXV1 RXN60CXV1 Btu/h 8700 (4400 - 10200) 11600 (4400 - 13000) 19100 (5560 - 21150) 21500 (5970 - 22180) NOMINAL COOLING CAPACITY (Max - Min) 2560 (1300 - 3000) 3410 (1300 - 3800)

  • Page 17: Performance Data

    Performance Data Performance Data Calculation Steps Interpolation method can be used to get the total Solution: cooling capacity, TC and sensible cooling capacity, Based on the Performance Table, SC and power input, PI at those temperatures which 1. Refer to the Indoor DB column, are not stated out in the table.
  • Page 18 Performance Data (b) Indoor Condition: 25°C DB, 19°C WB By Interpolation Method Outdoor Condition: 35°C DB 25°C – 24°C – 1.82 kW  Outdoor temperature 27°C – 24°C 2.12 kW – 1.82 kW 35°C  y = 1.92 kW Similarly, = 2.55 kW 2.55 1.82...

  • Page 19: Performance Tables

    Performance Data Performance Tables R410A Cooling Only Model: FTK25JXV19 - RK25FXV19 Cooling Mode Outdoor temperature 19°C 25°C 30°C 35°C 40°C 46°C (CFM) 21°C 2.41 1.89 0.53 2.33 1.84 0.57 2.24 1.79 0.62 2.15 1.74 0.67 1.98 1.62 0.73 1.82 1.52 0.80 24°C 2.42 2.26 0.53 2.33 2.21 0.57 2.24 2.16 0.62 2.15 2.10 0.67 1.98 1.97 0.73 1.83 1.83 0.80 16°C...
  • Page 20 Performance Data Model: FTK35JXV19 - RK35FXV19 Cooling Mode Outdoor temperature 19°C 25°C 30°C 35°C 40°C 46°C (CFM) 21°C 3.21 2.27 0.81 3.10 2.21 0.87 2.99 2.15 0.94 2.87 2.09 1.02 2.63 1.95 1.11 2.43 1.83 1.22 24°C 3.22 2.72 0.81 3.10 2.66 0.87 2.99 2.60 0.94 2.87 2.53 1.02 2.64 2.37 1.11 2.44 2.23 1.22 16°C 27°C 3.24 3.09 0.81 3.14 3.02 0.87 3.03 2.95 0.95 2.91 2.87 1.03 2.69 2.67 1.11 2.50 2.50 1.23...
  • Page 21 Performance Data Model: FTK50JXV19 - RK50CXV19 Cooling Mode Outdoor temperature 19°C 25°C 30°C 35°C 40°C 46°C (CFM) 21°C 5.28 3.54 1.25 5.09 3.44 1.36 4.90 3.35 1.47 4.71 3.26 1.59 4.32 3.03 1.73 3.99 2.85 1.90 24°C 5.29 4.24 1.25 5.10 4.14 1.36 4.91 4.04 1.47 4.71 3.94 1.59 4.33 3.68 1.73 4.01 3.47 1.91 16°C 27°C 5.33 4.80 1.26 5.15 4.69 1.36 4.97 4.58 1.47 4.78 4.47 1.60 4.41 4.16 1.73 4.11 3.90 1.91...
  • Page 22 Performance Data Model: FTK60JXV19 - RK60CXV19 Cooling Mode Outdoor temperature 19°C 25°C 30°C 35°C 40°C 46°C (CFM) 21°C 5.94 4.09 1.43 5.73 3.98 1.54 5.52 3.88 1.67 5.30 3.77 1.81 4.86 3.50 1.97 4.49 3.30 2.17 24°C 5.95 4.90 1.43 5.74 4.79 1.55 5.52 4.68 1.67 5.30 4.56 1.81 4.87 4.26 1.97 4.51 4.02 2.17 16°C 27°C 6.00 5.55 1.43 5.80 5.43 1.55 5.59 5.30 1.68 5.38 5.16 1.82 4.97 4.81 1.97 4.62 4.51 2.18...
  • Page 23 Performance Data R410A Heatpump Model: FTXN25JXV1 - RXN25FXV1 Cooling Mode Outdoor temperature 19°C 25°C 30°C 35°C 40°C 46°C (CFM) 21°C 2.41 1.89 0.53 2.33 1.84 0.57 2.24 1.79 0.62 2.15 1.74 0.67 1.98 1.62 0.73 1.82 1.52 0.80 24°C 2.42 2.26 0.53 2.33 2.21 0.57 2.24 2.16 0.62 2.15 2.10 0.67 1.98 1.97 0.73 1.83 1.83 0.80 16°C 27°C 2.44 2.44 0.53 2.35 2.35 0.57 2.27 2.27 0.62 2.19 2.19 0.67 2.02 2.02 0.73 1.88 1.88 0.80...
  • Page 24 Performance Data Model: FTXN35JXV1 - RXN35FXV1 Cooling Mode Outdoor temperature 19°C 25°C 30°C 35°C 40°C 46°C (CFM) TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC 21°C 3.21 2.27 0.81 3.10 2.21 0.87 2.99 2.15 0.94 2.87 2.09 1.02 2.63 1.95 1.11 2.43 1.83 1.22 24°C 3.22 2.72 0.81 3.10 2.66 0.87 2.99 2.60 0.94 2.87 2.53 1.02 2.64 2.37 1.11 2.44 2.23 1.22 16°C...
  • Page 25 Performance Data Model: FTXN50JXV1 - RXN50CXV1 Cooling Mode Outdoor temperature 19°C 25°C 30°C 35°C 40°C 46°C (CFM) 21°C 5.28 3.54 1.25 5.09 3.44 1.36 4.90 3.35 1.47 4.71 3.26 1.59 4.32 3.03 1.73 3.99 2.85 1.90 24°C 5.29 4.24 1.25 5.10 4.14 1.36 4.91 4.04 1.47 4.71 3.94 1.59 4.33 3.68 1.73 4.01 3.47 1.91 16°C 27°C 5.33 4.80 1.26 5.15 4.69 1.36 4.97 4.58 1.47 4.78 4.47 1.60 4.41 4.16 1.73 4.11 3.90 1.91...
  • Page 26 Performance Data Model: FTXN60JXV1 - RXN60CXV1 Cooling Mode Outdoor temperature 19°C 25°C 30°C 35°C 40°C 46°C (CFM) 21°C 5.94 4.09 1.43 5.73 3.98 1.54 5.52 3.88 1.67 5.30 3.77 1.81 4.86 3.50 1.97 4.49 3.30 2.17 24°C 5.95 4.90 1.43 5.74 4.79 1.55 5.52 4.68 1.67 5.30 4.56 1.81 4.87 4.26 1.97 4.51 4.02 2.17 16°C 27°C 6.00 5.55 1.43 5.80 5.43 1.55 5.59 5.30 1.68 5.38 5.16 1.82 4.97 4.81 1.97 4.62 4.51 2.18...

  • Page 27: Outline & Dimension

    Outline & Dimension Outline & Dimension Indoor Unit Model: FTK25/35/50/60JXV19, FTXN25/35/50/60JXV1 THE MARK SHOWS PIPING DIRECTION LEFT RIGHT TOP VIEW NAME PLATE SIGNAL RECEIVER TERMINAL BLOCK WITH EARTH TERMINAL INDOOR UNIT SIDE VIEW ON/OFF SWITCH BOTTOM BOTTOM ROOM TEMPERATURE THERMISTOR (INSIDE) LOUVER FRONT GRILLE FIXED SCREWS...
  • Page 28 Outline & Dimension All dimensions are in mm Recommended mounting plate retention spots (5 spots in all) Through the wall hole Ø 65mm Drain hose position Liquid pipe end Gas pipe end ALTERNATIVE INSTALLATION PLATE 25/35 Dimension Model 800 288 212 104 141 153 181 207 25/35 Note: Dimension in mm...

  • Page 29: Outdoor Unit

    Outline & Dimension Outdoor Unit Model: RK25/35FXV19, RXN25/35FXV1 All dimensions are in mm Dimension Model 550 658 25/35 Note: Dimension in mm Model: RK50/60CXV19, RXN50/60CXV1 All dimensions are in mm Dimension Model 50/60 Dimension Model 50/60 Note: Dimension in mm...

  • Page 30: Wiring Diagram

    Wiring Diagram Wiring Diagram Cooling Only Indoor Unit Outdoor Unit Model: FTK25/35JXV19 Model: RK25/35FXV19 WIRED HANDSET...
  • Page 31 Wiring Diagram Indoor Unit Outdoor Unit Model: FTK50/60JXV19 Model: RK50/60CXV19 WIRED HANDSET...
  • Page 32 Wiring Diagram Heatpump Indoor Unit Outdoor Unit Model: FTXN25/35JXV1 Model: RXN25/35FXV1 WIRED HANDSET...
  • Page 33 Wiring Diagram Indoor Unit Outdoor Unit Model: FTXN50/60JXV1 Model: RXN50/60CXV1 WIRED HANDSET...

  • Page 34: Service & Maintenance

    Service & Maintenance Service & Maintenance • Disconnect from main supply before servicing the air conditioner. • The unit is designed to give long life operation with minimum maintenance required. However, it should be regularly checked and the following items should be given due attention. Components Maintenance Procedures Period...
  • Page 35 Service & Maintenance Pre Start Up Maintenance (After Extended Shutdown)  Inspect thoroughly and clean indoor and outdoor units.  Clean or replace air fi lters.  Clean condensates drain line.  Clean clogged indoor and outdoor coils.  Check fan imbalance before operation. ...

  • Page 36: Troubleshooting

    Troubleshooting Troubleshooting Indicator Lights IR Signal Receiver When an infrared remote control operating signal has been transmitted, the signal receiver on the indoor unit will respond as below to confi rm acceptance of the signal transmission. ON to OFF 1 Long Beep OFF to ON 2 Short Beeps Pump down/Cool force on...
  • Page 37 Troubleshooting LED Lights Diagnostic Table Operation / Fault Indication SLEEP COOL/HEAT TIMER (RED) (GREEN/RED) (ORANGE) Cooling mode Green Heating mode Auto mode in heating operation Auto mode in cooling operation Green Time Off (when unit is on) Sleep mode on Fan mode on Green Dry mode on...
  • Page 38 Troubleshooting Error Code Diagnosis by GS01 SWING TURBO MODE QUIET SLEEP TIMER ON TIMER CANCEL CANCEL CLOCK CANCEL OFF TIMER CANCEL Diagnosis Step 1. Hold down ON TIMER CANCEL button or OFF TIMER CANCEL button for 5 seconds, a “ ” indication fl...

  • Page 39: Troubleshooting Guidelines

    Troubleshooting Troubleshooting Guidelines Error Codes Error Description Action Normal No action. 1. Check sensor connection. 2. Check stop valve. Insuffi cient gas 3. Check for gas leak. 4. Check the EXV. 5. Check H8. 1. Check the supply voltage. 2. Check the outdoor fan by rotating with hand. DC voltage out of range 3.
  • Page 40 Troubleshooting Error Codes Error Description Action 1. Check with inverter checker. Compressor lock/start-up error 2. Check the EXV. 1. Check the fan motor connection. Outdoor DC fan motor lock 2. Check if foreign matters exist around or in the fan. 1.
  • Page 41 Troubleshooting Error Codes Error Description Action Outdoor heat exchanger Same as H9. 1. Restart the system. 2. Check sensor resistance value. Electrical box temperature 3. Check heat sink temperature and conditions. rise 4. Check outdoor fan. 5. Check the installation condition. 1.

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