Daikin FTXTA30AW Service Manual
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Daikin FTXTA30AW Service Manual

Optimized heating 4
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Service
Manual
Optimized Heating 4
Indoor unit
FTXTA30AW
FTXTM30-40M
FTXTP25-35K
FVXM25-35F
ATXTP25-35K
Outdoor unit
RXTA30N
RXTM30-40N
RXTP25-35N
RXTP25-35N9
ARXTP25-35N
ESIE17-19C

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Summary of Contents for Daikin FTXTA30AW

  • Page 1 ESIE17-19C Service Manual Optimized Heating 4 Indoor unit Outdoor unit FTXTA30AW RXTA30N FTXTM30-40M RXTM30-40N FTXTP25-35K RXTP25-35N FVXM25-35F RXTP25-35N9 ATXTP25-35K ARXTP25-35N...
  • Page 2 ESIE17-19C The present publication is drawn up by way of information only and does not constitute an offer binding upon Daikin Europe N.V.. Daikin Europe N.V. has compiled the content of this publication to the best of its knowledge. No express or implied warranty is given for the completeness, accuracy, reliability or fitness for particular purpose of its content and the products and services presented therein.
  • Page 3 Optimized Heating 4 ESIE17-19C Part 1. Introduction ........................9 1.1. Version log ..............................9 1.2. Safety precautions ...........................10 1.2.1. Meaning of symbols ............................. 10 1.2.2. Warnings ..............................10 1.2.3. Cautions ............................... 12 1.2.4. Information ..............................13 1.3. General operation ............................14 1.4. How to use ...............................15 1.4.1.
  • Page 4 Optimized Heating 4 ESIE17-19C 2.2.2.18. “J6-00” – Outdoor heat exchanger thermistor abnormality ..............36 2.2.2.19. “L1-00” – Main PCB abnormality ......................36 2.2.2.20. “L3-00” – Switch box temperature abnormality ..................37 2.2.2.21. “L4-00” – Inverter radiating fin temperature abnormality ................38 2.2.2.22. “L5-00” – Inverter instantaneous overcurrent (AC output) ..............38 2.2.2.23.
  • Page 5 Optimized Heating 4 ESIE17-19C 3.3.2.8. Replacing expansion valve motor ......................91 3.3.2.9. Replacing high pressure switch ....................... 94 3.3.2.10. Replacing main PCB ..........................95 3.3.2.11. Replacing propeller fan blade assembly single fan outdoor unit ............97 Part 4. Maintenance .........................99 4.1.
  • Page 6 Optimized Heating 4 ESIE17-19C Figure 3-1: 1 service port at the stop valves ......................66 Figure 3-2: 3 service ports at the stop valves ......................67 Figure 3-3: Removing the front panel ........................70 Figure 3-4: Replacing the streamer unit ........................71 Figure 3-5: Removing the humidity sensor PCB assembly ..................
  • Page 7 Optimized Heating 4 ESIE17-19C Figure 5-16: FVXM-F ..............................117 Figure 5-17: RXTA-N, RXTM-N, RXTP-N, RXTP-N9, ARXTP-N ................117 19/08/19 Version 1.1 Page 7...
  • Page 8 Optimized Heating 4 ESIE17-19C Page 8 19/08/19 Version 1.1...
  • Page 9 Optimized Heating 4 ESIE17-19C Part 1. Introduction 1.1. Version log Part 1. Introduction This part contains the following chapters: Version log......................................9 Safety precautions....................................10 General operation....................................14 How to use ......................................15 1.1. Version log Version code Description Date ESIE17-19 Release 03/04/2018 ESIE17-19A Update field settings 01/06/2018 ESIE17-19B...
  • Page 10 Optimized Heating 4 ESIE17-19C Part 1. Introduction 1.2. Safety precautions 1.2. Safety precautions The precautions described in this document cover very important topics, follow them carefully. All activities described in the service manual must be performed by an authorized person. If you are not sure how to install, operate or service the unit, contact your dealer.
  • Page 11 ARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation). ARNING Make sure the work site environment is clean and safe to work in. Beware of spilled fluids, like water, oil or other sub- stances.
  • Page 12 Optimized Heating 4 ESIE17-19C Part 1. Introduction 1.2. Safety precautions ARNING • Only use copper wires. • All field wiring must be performed in accordance with the wiring diagram and installation manual supplied with the product. • If the power cable and lead wires have scratches or deteriorated, be sure to replace them. Damaged cable and wires may cause an electrical shock, excessive heat generation or fire.
  • Page 13 Optimized Heating 4 ESIE17-19C Part 1. Introduction 1.2. Safety precautions 1.2.4. Information NFORMATION Make sure refrigerant piping installation complies with applicable legislation. In Europe, EN378 is the applicable stand- ard. NFORMATION Make sure the field piping and connections are not subjected to stress. 19/08/19 Version 1.1 Page 13...
  • Page 14 Optimized Heating 4 ESIE17-19C Part 1. Introduction 1.3. General operation 1.3. General operation • These split units are used for comfort heating/cooling and are equipped with an inverter. • The rotation speed rps (= rotation per second) of the inverter driven compressor, modulated by the inverter, can be varied according the required capacity in the room.
  • Page 15 1.4.1. Interactive information flow This Daikin product Service Manual is intended for professional use only. The actions described hereafter, are only to be performed by qualified and certified persons, taking into account the safety precautions mentioned in this manual and the local regulations as well.
  • Page 16 1.4.2. Parts of the book This Daikin product Service Manual is intended for professional use only. The actions described hereafter, are only to be performed by qualified and certified persons, taking into account the safety precautions mentioned in this manual and the local regulations as well.
  • Page 17 Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.1. Error codes check Part 2. Troubleshooting This part contains the following chapters: Error codes check ....................................17 Error based troubleshooting .................................18 Symptom based troubleshooting................................47 Component checklist ....................................48 Other capacity range ....................................64 2.1. Error codes check 2.1.1.

  • Page 18: Table Of Contents

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2. Error based troubleshooting Overview of error codes: Indoor unit......................................19 “A0-00” – Detection of refrigerant leak (only for FVXM-F model) .................... 19 “A1-00” – Zero cross detection ..............................19 “A1-01”...

  • Page 19: Indoor Unit

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.1. Indoor unit 2.2.1.1. “A0-00” – Detection of refrigerant leak (only for FVXM-F model) Trigger Effect Reset Detect gas leakage (R32 or other gas- Outdoor unit stops running. After 10 min. of no gas detection: ses).

  • Page 20: A5-00" - Freeze-Up Protection / Heating Peak Cut Control

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Indoor Unit - Electrical components Faulty indoor PCB. Check if error still occurs after turning off Adjust power to the indoor PCB. power and turning it back on again. Replace indoor PCB when HAP LED is Check if the indoor PCB receives power.

  • Page 21: Ah-00" - Streamer Unit Error

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty indoor fan motor. Check the fan motor. Replace fan motor when required. Check fan motor connections and wiring. Adjust wiring when required. Indoor fan motor locked. Switch of the power.

  • Page 22: C4-00" - Liquid Pipe Thermistor For Heat Exchanger Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty adaptor PCB. Check if the adaptor PCB is installed. Adjust when required. Check if the connector X8A on the adap- tor PCB is not circuited. Check the wire harness.

  • Page 23: Cc-00" - Humidity Sensor Abnormality (Only For Ftxta-A Model)

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty indoor PCB. Check if error still occurs after turning off Adjust power to the indoor PCB. power and turning it back on again. Replace indoor PCB when HAP LED is Check if the indoor PCB receives power.

  • Page 24: 00" - Abnormality Of Refrigerant Leakage Sensor (Only For Fvxm-F Model)

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.1.13. “CH-00” – Abnormality of refrigerant leakage sensor (only for FVXM-F model) Trigger Effect Reset Sensor error. Unit will stop operating. See corrective action. Buzzer will beep. Possible cause Check Corrective action Sensor error.

  • Page 25: E3-00" - Discharge Pressure Abnormality (Units With No Pressure Sensor)

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.2. “E3-00” – Discharge pressure abnormality (units with no pressure sensor) Trigger Effect Reset High pressure switch opens due to meas- Unit will stop operating. Manual reset via user interface. ure pressure >...

  • Page 26: E6-00" - Compressor Motor Lock

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty overload protection. Check the overload protection. Replace the overload protection when required. Check the overload protection connec- tions and wiring. Adjust wiring when required. Faulty expansion valve.

  • Page 27: E7-00" - Fan Motor Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Non condensables in refrigerant. Check for non condensables in refriger- In case of suspicion of non condensables, ant. recover, vacuum and recharge with virgin refrigerant.

  • Page 28: E8-00" - Compressor Overcurrent Detection

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty outdoor fan motor. Check the fan motor. Replace fan motor when required. Check fan motor connections and wiring. Adjust wiring when required. Faulty outdoor inverter PCB. Check outdoor inverter PCB.

  • Page 29: E9-00" - Electronic Expansion Valve Abnormality (Units With No Pressure Sensor)

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.7. “E9-00” – Electronic expansion valve abnormality (units with no pressure sensor) Trigger Effect Reset 1. No continuity of expansion valve. Unit will stop operating. Manual reset via user interface. 2.

  • Page 30: F3-00" - Discharge Pipe Temperature Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu- Restore the power to the outdoor main lar intervals. PCB. Check if the correct spare part is installed.

  • Page 31: F6-00" - High Pressure Abnormality Or Refrigerant Overcharge

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu- Restore the power to the outdoor main lar intervals. PCB. Check if the correct spare part is installed.

  • Page 32: F8-00" - System Shutdown Due To Compressor Internal Temperature Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Check procedures Replacing procedures "Electronic expansion valve" on page 53 "Replacing expansion valve body" on page 89 "Replacing expansion valve motor" on page 91 "Main PCB" on page 56 "Replacing main PCB"...

  • Page 33: H3-00" - High Pressure Switch Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty or disturbance of the power supply Check if the power supply is conform with Adjust power supply when required. (imbalance > 10%). Power drop. Short cir- regulations.

  • Page 34: H8-00" - Compressor Input (Ct) System Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty compressor. Check compressor. Replace compressor when required. Check connections and wiring of the com- Investigate reason of breakdown. pressor. Replace expansion valve when required. Check expansion valve (liquid back Fix possible leak.

  • Page 35: H9-00" - Outdoor Air Temperature Thermistor Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty reactor. Check reactor. Replace reactor when required. More info: Check procedures Replacing procedures "Main PCB" on page 56 "Replacing main PCB" on page 95 "Compressor"...

  • Page 36: J6-00" - Outdoor Heat Exchanger Thermistor Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Check procedures Replacing procedures "Main PCB" on page 56 "Replacing main PCB" on page 95 2.2.2.18. “J6-00” – Outdoor heat exchanger thermistor abnormality Trigger Effect Reset Thermistor input voltage is > 4.96 V or Unit will stop operating.

  • Page 37: L3-00" - Switch Box Temperature Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty outdoor fan motor. Check the fan motor. Replace fan motor when required. Check fan motor connections and wiring. Adjust wiring when required. Faulty capacity adapter on outdoor PCB. Check if the correct adapter is installed.

  • Page 38: L4-00" - Inverter Radiating Fin Temperature Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.21. “L4-00” – Inverter radiating fin temperature abnormality Trigger Effect Reset Radiation fin temperature rise is detected. Unit will stop operating. Automatic reset. Power reset via outdoor unit. Possible cause Check Corrective action Faulty outdoor fan motor.

  • Page 39: L8-00" - Electronic Thermal Overload

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty compressor. Check compressor. Replace compressor when required. Check connections and wiring of the com- Investigate reason of breakdown. pressor. Replace expansion valve when required. Check expansion valve (liquid back Fix possible leak.

  • Page 40: L9-00" - Stall Prevention Time Lag

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.24. “L9-00” – Stall prevention time lag Trigger Effect Reset Outdoor inverter PCB detects compressor Unit will stop operating. Manual reset via user interface. overload at start up. Possible cause Check Corrective action Refrigerant circuit is clogged.

  • Page 41: P1-00" - Open Phase Or Power Supply Voltage Imbalance

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting More info: Check procedures Replacing procedures "Main PCB" on page 56 "Replacing main PCB" on page 95 2.2.2.26. “P1-00” – Open phase or power supply voltage imbalance Trigger Effect Reset Outdoor inverter PCB detects incorrect Unit will stop operating.

  • Page 42: P4-00" - Radiating Fin Temperature Sensor Abnormality

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.28. “P4-00” – Radiating fin temperature sensor abnormality Trigger Effect Reset Radiating fin thermistor input voltage is Unit will stop operating. Manual reset via user interface. < 0.04 V or > 4.96 V when power is on. Possible cause Check Corrective action...

  • Page 43: System

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.3. System 2.2.3.1. “U0-00” – Refrigerant shortage Trigger Effect Reset Refrigerant shortage detected. Unit will stop operating. Automatic reset. Power reset via outdoor unit. Possible cause Check Corrective action Faulty air thermistor.

  • Page 44: U4-00" - Transmission Abnormality Between Indoor Unit And Outdoor Unit

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty or disturbance of the power supply Check if the power supply is conform with Adjust power supply when required. (imbalance > 10%). Power drop. Short cir- regulations.

  • Page 45: Ua-00" - Improper Combination Of Indoor Unit And Outdoor Unit

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Wiring abnormality between indoor unit Check wiring between indoor unit and out- Adjust wiring between indoor unit and out- and outdoor unit. door unit. door unit when required.

  • Page 46: Others

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.2. Error based troubleshooting More info: Check procedures Replacing procedures "Main PCB" on page 56 "Replacing main PCB" on page 95 2.2.4. Others Not applicable. Page 46 19/08/19 Version 1.1...
  • Page 47 Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.3. Symptom based troubleshooting 2.3. Symptom based troubleshooting 2.3.1. Indoor unit Not available. 2.3.2. Outdoor unit Not available. 2.3.3. System Not applicable. 2.3.4. Others Not applicable. 19/08/19 Version 1.1 Page 47...

  • Page 48: Indoor Unit

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.4. Component checklist 2.4. Component checklist Overview of component checklists: Indoor unit......................................48 Outdoor unit......................................49 4-way valve....................................49 Compressor ..................................... 51 Electronic expansion valve ..............................53 Fan motor ....................................55 Main PCB ....................................56 High pressure switch ................................

  • Page 49: Outdoor Unit

    118. Switch the circuit breaker on. Switch on the Daikin unit via the user interface, start cooling/defrost operation. If the temperature after the heat exchanger drops, proceed with next step. If the temperature after the heat exchanger rises, the 4-way valve is stuck in heating position, replace the 4-way valve body (refer to "Replacing 4-way valve body"...
  • Page 50 ESIE17-19C Part 2. Troubleshooting 2.4. Component checklist PRELIMINARY ACTIONS Switch off Daikin unit via the user interface. Switch off Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 76). PROCEDURE Switch on the Daikin unit, start heating operation.

  • Page 51: Compressor

    Remove plate work when required. PROCEDURE Open the compressor insulation. Switch on the Daikin unit and measure the U, V, W inverter voltages. All voltages must be identical, if not, replace the inverter PCB. Switch off the Daikin unit via the user interface.
  • Page 52 Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.4. Component checklist Megger the compressor using 500 or 1000 VDC, the insulation must be higher than 3 MΩ. Replace the compressor if the windings and/or insulation measurements fail (refer to "Replacing compressor" on page 84).

  • Page 53: Electronic Expansion Valve

    Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Switch on the Daikin unit and listen to the expansion valve assembly, if the expansion valve body does not create a latching sound, continue with the electrical check.
  • Page 54 Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.4. Component checklist Connector pin 2-6: connected Connector pin 3-6: connected Connector pin 4-6: connected Harness 5P Check 6P Connector If one or more of the windings have no continuity, replace the expansion valve coil. Page 54 19/08/19 Version 1.1...

  • Page 55: Fan Motor

    118. Check procedure Mechanical check PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 76). PROCEDURE Check the state of the propeller, replace the propeller if damaged, deformed, cracked or broken (refer to "Replacing propeller...

  • Page 56: Main Pcb

    Mechanical check Not applicable. Electrical check PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 76). PROCEDURE Switch on the Daikin unit with the field supplied circuit breaker.
  • Page 57 87). 15. Switch off the Daikin unit with the field supplied circuit breaker. 16. Wait a few minutes and confirm that the LED's on the Inverter Analyzer are off. 17. Disconnect the Inverter Analyzer from the U V W wiring.

  • Page 58: High Pressure Switch

    118. Check procedure Electrical check PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 76). PROCEDURE Disconnect the high pressure switch connector from applicable PCB, see table "Component checklist"...

  • Page 59: Muffler

    Mechanical check PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required. PROCEDURE Power on the Daikin unit with the field supplied circuit breaker.

  • Page 60: Refrigerant Thermistors

    Mechanical check PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Locate the thermistor and check if thermal contact with the piping or ambient is ensured. Electrical check NFORMATION If a thermistor check fails, replace the thermistor.
  • Page 61 Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.4. Component checklist • The resistance values are defined by below table "Thermistor resistance / temperature characteristics (type 1)": Resistance at 23°C: 21.85 kΩ. Resistance at 24°C: 20.90 kΩ. • The measured value 21.86 kΩ is inside the range, thermistor R3T passes the check. NFORMATION The user interface allows to monitor most thermistors.
  • Page 62 Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.4. Component checklist T °C kΩ T °C kΩ T °C kΩ T °C kΩ T °C kΩ 103.18 37.18 15.10 6.78 3.32 97.73 35.45 14.48 6.53 3.21 13.88 6.53 3.11 92.61 33.81 87.79 32.25 13.31...

  • Page 63: System

    Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.4. Component checklist -14,0 73,43 12,5 17,9 65,5 -13,5 71,31 17,4 39,5 92,5 -13,0 69,25 13,5 66,5 -12,5 67,27 16,6 40,5 93,5 -12,0 65,34 14,5 16,2 67,5 -11,5 63,48 15,8 41,5 94,5 -11,0 61,68 15,5 15,5...
  • Page 64 Optimized Heating 4 ESIE17-19C Part 2. Troubleshooting 2.5. Other capacity range 2.5. Other capacity range Not applicable. Page 64 19/08/19 Version 1.1...
  • Page 65 3.1.2. Recovery procedure 3.1.2.1. Outdoor unit casing Switch off the Daikin unit via the user interface. Manually open the expansion valve (located on the outdoor unit). Connect the vacuum pump, manifold, recovery unit and refrigerant bottle to the service port as shown below.
  • Page 66 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.1. Refrigerant repair procedures In case of 1 service port at the stop valves Figure 3-1: 1 service port at the stop valves 1. Vacuum pump 3. To recovery pump 2. Connect flexible hose to service port 3 stop valve NFORMATION See instruction of the recovery pump supplier how to recover the refrigerant.
  • Page 67 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.1. Refrigerant repair procedures Figure 3-2: 3 service ports at the stop valves > 1. Vacuum pump 2. To recovery pump NFORMATION See instruction of the recovery pump supplier how to recover the refrigerant. 3.1.3.
  • Page 68 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.1. Refrigerant repair procedures AUTION Refer to Installer Reference Guide for 'Pump down operation' procedure. After 5-10 min (after only 1-2 min in case of very low Ta < -10°C), close the liquid stop valve with a hexagonal wrench. Check on manifold if vacuum is reached, close gas stop valve and forced cooling operation.
  • Page 69 3.2. Service tools 3.2. Service tools For an overview of the applicable service tools, please check the Daikin Business Portal: http://www.mydaikin.eu Go to the tab “After-sales support” on the left side and then select “Technical support”. You will then find a button “Service tools” which gives you an overview on which service tool to use for which product. Also additional information on the service tool (instruction, latest software) can be found there.

  • Page 70: Indoor Unit

    3.3.1. Indoor unit 3.3.1.1. Replacing streamer unit PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. PROCEDURE Removal Remove front panel. Figure 3-3: Removing the front panel...
  • Page 71 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures Lose connection, click stream unit out and replace with new unit. Figure 3-4: Replacing the streamer unit Installation Proceed in reverse order. 19/08/19 Version 1.1 Page 71...

  • Page 72: Replacing Humidity Sensor

    3.3. Unit specific repair procedures 3.3.1.2. Replacing humidity sensor PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required, refer to "Basic removal" on page PROCEDURE Removal Disconnect the humidity sensor connector from the indoor unit PCB.
  • Page 73 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures Connect the humidity sensor harness to the appropriate connector on the indoor unit PCB. ARNING ISK OF When reconnecting a connector to the PCB, do not apply force, as this may damage the connector or connector pins of the PCB.

  • Page 74: Replacing R32 Sensor (Only For Fvxm-F Model)

    3.3. Unit specific repair procedures 3.3.1.3. Replacing R32 sensor (only for FVXM-F model) PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work. PROCEDURE Removal Remove plate work (front case).
  • Page 75 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures Figure 3-9: Removing casing of the sensor Remove PCB connectors, put new PCB in casing. Figure 3-10: Removing PCB connectors Installation Proceed in reverse order. 19/08/19 Version 1.1 Page 75...

  • Page 76: Outdoor Unit

    3.3.2.1.1 Removing refrigerant connection cover PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. PROCEDURE Removal Loosen and remove 1 screw (1) that fix the refrigerant connection cover.
  • Page 77 1. Screw 3.3.2.1.3 Removing the front plate PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. PROCEDURE Removal Remove the top plate. Loosen and remove the 8 screws (1) that fix the front plate.
  • Page 78 3.3. Unit specific repair procedures 3.3.2.1.4 Removing the compressor sound insulation PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. PROCEDURE Removal Remove the top plate. Remove the front plate.

  • Page 79: Removing Switch Box

    3.3. Unit specific repair procedures 3.3.2.2. Removing switch box PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required, refer to "Basic removal" on page PROCEDURE Removal Remove the insulation (1).
  • Page 80 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures Figure 3-15: Removing the switch box 1. Insulation 6. Wire clamp 2. Main PCB 7. Screw 3. Electrical power wiring 8. Right side plate assembly 4. Wire terminals 9.

  • Page 81: Replacing 4-Way Valve Body

    PROCEDURE Removal Remove any parts that block the way to the 4-way valve. NFORMATION Follow local regulations and Daikin refrigerant repair procedures during the repair of your unit, refer to "Refriger- ant repair procedures" on page AUTION The maximum applied Nitrogen pressure must not exceed 0.02 MPa.
  • Page 82 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures NFORMATION Install the putty on the 4-way valve. Install the compressor sound insulation in the same location. Proceed in reverse order. Page 82 19/08/19 Version 1.1...

  • Page 83: Replacing 4-Way Valve Coil

    3.3.2.4. Replacing 4-way valve coil PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required. Remove any part that block the way to the 4-way valve coil.

  • Page 84: Replacing Compressor

    Remove plate work when required. Remove any part that blocks the way to the compressor. PROCEDURE NFORMATION Follow local regulations and Daikin refrigerant repair procedures during the repair of your unit, refer to "Refriger- ant repair procedures" on page AUTION The maximum applied Nitrogen pressure must not exceed 0.02 MPa.
  • Page 85 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures Figure 3-18: Removing the compressor 1. Screw 6. Nut 2. Partition plate assembly 7. Compressor 3. Terminal cover 8. Putty 4. Compressor wiring 9. Dampers 5. Compressor pipe 10.
  • Page 86 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures Installation AUTION The oil in the compressor is hygroscopic. Remove the caps from the compressor piping as late as possible. NFORMATION Before installing a new compressor, determine the cause of the compressor failure and take all required corrective actions.

  • Page 87: Replacing Dc Fan Motor Assembly

    PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove the propeller fan blade assembly, refer to "Replacing propeller fan blade assembly single fan outdoor unit" on...
  • Page 88 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures Figure 3-19: Removing the DC fan motor assembly 1. Insulation 5. Harness retainer 2. Fan motor assembly harness 6. Screw 3. Connector 7. Fan motor assembly 4. Slot Installation Proceed in reverse order.

  • Page 89: Replacing Expansion Valve Body

    Remove plate work when required. Remove any part that block the way to the expansion valve body. PROCEDURE NFORMATION Follow local regulations and Daikin refrigerant repair procedures during the repair of your unit, refer to "Refriger- ant repair procedures" on page AUTION The maximum applied Nitrogen pressure must not exceed 0.02 MPa.
  • Page 90 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures NFORMATION Install the putty on the expansion valve body piping. Proceed in reverse order. Page 90 19/08/19 Version 1.1...

  • Page 91: Replacing Expansion Valve Motor

    3.3.2.8. Replacing expansion valve motor PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required. Remove any part that block the way to the expansion valve motor.
  • Page 92 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures NFORMATION The expansion valve motor ( ) is equipped with a pipe retention clip ( ). The pipe retention clip ( must be placed over the pipe ( to lock the expansion valve motor ( When installing the expansion valve motor (3), lock it on the expansion valve on the CORRECT direction.
  • Page 93 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures Figure 3-23: Locking the expansion valve motor 1. Expansion valve motor 4. Notch 2. Metal bracket 5. Expansion valve body 3. Nipples 19/08/19 Version 1.1 Page 93...

  • Page 94: Replacing High Pressure Switch

    Remove plate work when required. Remove any part that block the way to the high pressure switch. PROCEDURE NFORMATION Follow local regulations and Daikin refrigerant repair procedures during the repair of your unit, refer to "Refriger- ant repair procedures" on page AUTION The maximum applied Nitrogen pressure must not exceed 0.02 MPa.

  • Page 95: Replacing Main Pcb

    3.3.2.10. Replacing main PCB PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required, refer to "Basic removal" on page Remove the switch box, refer to "Removing switch box"...
  • Page 96 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures AUTION Make sure to apply enough heat conductive paste. Attach new heat conductive paste (2) before attaching the heat sink (1) to the power electronics. Figure 3-27: Apply heat conductive paste 1.

  • Page 97: Replacing Propeller Fan Blade Assembly Single Fan Outdoor Unit

    3.3. Unit specific repair procedures 3.3.2.11. Replacing propeller fan blade assembly single fan outdoor unit PRELIMINARY ACTIONS Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required. PROCEDURE Removal Remove the nut (1) that fixes the propeller fan blade assembly (2).
  • Page 98 Optimized Heating 4 ESIE17-19C Part 3. Repair 3.3. Unit specific repair procedures Page 98 19/08/19 Version 1.1...

  • Page 99: Indoor Unit

    Optimized Heating 4 ESIE17-19C Part 4. Maintenance 4.1. Indoor unit Part 4. Maintenance This part contains the following chapters: Indoor unit ......................................99 Outdoor unit......................................100 4.1. Indoor unit 4.1.1. General maintenance indoor unit Optimal operation conditions Cooling Heating Differential between suction temperature 8~18°C 14~30°C and discharge temperature...
  • Page 100 Optimized Heating 4 ESIE17-19C Part 4. Maintenance 4.2. Outdoor unit 4.2. Outdoor unit 4.2.1. General maintenance outdoor unit Outdoor unit coil Straighten hair fins. Clear coil from dust, leaves, etc. with a fin-comb, or compressed air/N2. Avoid bending or damaging of the Alu fins during the cleaning process.
  • Page 101 Optimized Heating 4 ESIE17-19C Part 5. Appendix Part 5. Appendix This part contains the following chapters: Field setting ......................................103 Detailed information setting mode..............................111 Wiring diagram ....................................112 Piping diagram ....................................115 Component overview of unit................................118 Product specific information ................................118 Switch box ......................................118 Field information report ..................................118 19/08/19 Version 1.1...

  • Page 102: Esie17-19C | Part 5. Appendix

    Optimized Heating 4 ESIE17-19C Part 5. Appendix Page 102 19/08/19 Version 1.1...

  • Page 103: Field Setting

    Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.1. Field setting 5.1. Field setting 5.1.1. Indoor unit 5.1.1.1. How to activate fireplace logic ARC466A55 For symbol use 'hot wind' without the frame. How to activate ‘fireplace logic’: 1. Set unit to heating mode - symbol for heating on display light continuously.
  • Page 104 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.1. Field setting Press Select the value to set the desired target temperature: 0= -2,0°C 1= -1,0°C 2= 0°C (factory setting) 3= +1,0°C 4= +2,0°C 10. Press to confirm. 5.1.1.2.3 To control the indoor unit fan during thermostat off in cooling Press simultaneously.
  • Page 105 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.1. Field setting 5.1.2. Outdoor unit Jumpers Jumper 6 Jumper 8 Jumper 12 J6: facility setting jumper and switch (cooling at low outdoor temperature) Outline: this function is limited only for facilities (the target of air conditioning is equipment such as computer). Never use it in spaces occupied by humans such as a residence or office. Detail you can expand the operation range to -10°C by cutting the jumper or turning on switch on the outdoor unit PCB.
  • Page 106 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.1. Field setting 5.1.3. Remote controller Model Controller FTXTM-M ARC466A55 FTXTP-K ARC480A11 ATXTP-K ARC480A11 5.1.3.1. Change power saving mode OFF to ON 5.1.3.1.1 Remote controller ARC466A55 Figure 5-1: How to change power saving mode OFF to ON - Remote controller: ARC466A33/ARC466A55 Select Temp Temp...
  • Page 107 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.1. Field setting 5.1.3.1.2 Remote controller ARC480A11 Figure 5-2: How to change power saving mode OFF to ON - Remote controller: ARC480A11 Temp Temp Select Display Select “SU” Temp Select “10” Temp Select Auto restart Auto restart Send signal to indoor unit...
  • Page 108 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.1. Field setting 5.1.3.2. Change fan OFF to ON in cooling thermo off 5.1.3.2.1 Remote controller ARC466A55 Figure 5-3: How to change fan OFF to ON when in cooling thermo off - Remote controller: ARC466A33/ARC466A55 Temp Temp MODE...
  • Page 109 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.1. Field setting 5.1.3.3. Set target temperature in heating (DFu4) + DFu4 R/C,set = system set temperature = remocon set temperature R/C,set DFu4= offset 5.1.3.3.1 Remote controller ARC466A55 Figure 5-5: How to adjust target set temperature in heating operation - Remote controller: ARC466A55 Temp Temp Select...
  • Page 110 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.1. Field setting 5.1.3.3.2 Remote controller ARC480A11 Figure 5-6: How to adjust target set temperature in heating operation - Remote controller: ARC480A11 Temp Temp Select Display Select “SU” Temp Select “7” Temp Adjust target set temperature 0: -2.0°C Select 1: -1.0°C...

  • Page 111: Detailed Information Setting Mode

    Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.2. Detailed information setting mode 5.2. Detailed information setting mode 5.2.1. Indoor unit Not applicable. 5.2.2. Outdoor unit Not applicable. 5.2.3. Remote controller Not applicable. 19/08/19 Version 1.1 Page 111...

  • Page 112: Wiring Diagram

    Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.3. Wiring diagram 5.3. Wiring diagram 5.3.1. Indoor unit Figure 5-7: FTXTA-AW Figure 5-8: FTXTM30-M Page 112 19/08/19 Version 1.1...
  • Page 113 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.3. Wiring diagram Figure 5-9: FTXTM40-M Figure 5-10: FTXTP-K, ATXTP-K Figure 5-11: FVXM-F 19/08/19 Version 1.1 Page 113...
  • Page 114 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.3. Wiring diagram 5.3.2. Outdoor unit Figure 5-12: RXTA-N, RXTM-N, RXTP-N, RXTP-N9, ARXTP-N 5.3.3. Field wiring Not applicable. Page 114 19/08/19 Version 1.1...

  • Page 115: Piping Diagram

    Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.4. Piping diagram 5.4. Piping diagram 5.4.1. Indoor unit Figure 5-13: FTXTA-AW 19/08/19 Version 1.1 Page 115...
  • Page 116 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.4. Piping diagram Figure 5-14: FTXTM40-M Figure 5-15: FTXTM-M, FTXTP-K, ATXTP-K Page 116 19/08/19 Version 1.1...
  • Page 117 Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.4. Piping diagram Figure 5-16: FVXM-F 5.4.2. Outdoor unit Figure 5-17: RXTA-N, RXTM-N, RXTP-N, RXTP-N9, ARXTP-N 19/08/19 Version 1.1 Page 117...

  • Page 118: Component Overview Of Unit

    Optimized Heating 4 ESIE17-19C Part 5. Appendix 5.5. Component overview of unit 5.5. Component overview of unit 5.5.1. Indoor unit Not applicable. 5.5.2. Outdoor unit Not applicable. 5.6. Product specific information 5.6.1. Error codes Not applicable. 5.6.2. Component checklist Not applicable. 5.7.
  • Page 119 In case a problem occurred on the unit which could not be resolved by using the content of this service manual or in case you have a problem which could be resolved but of which the manufacturer should be notified, we advise you to contact your distributor. To facilitate the investigation, additional information is required.
  • Page 120 Application info Application (house, apartment, office, …): New project or refurbishment: Heat emitters (radiators / under floor heating / fan coils / …): Hydraulic layout (simple schematic): Unit / Installation info Model name: Serial number: Installation / commissioning date: Software version hydro PCB A1P: Software version hydro PCB A5P: Software version user interface: Software version outdoor PCB:...

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