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Daikin FTXJ-M Service Manual

Ra r32 split & multi split
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Service
Manual
multi split M-Series
Indoor unit
FTXJ-M FTXM-M FTXP-KV FDXM-F
FVXM-F FNA-A CTXM-M CTXM-N
ATXM-M ATXM-N FTXP-M9
RA R32 Split &
Outdoor unit
RXJ-M(9) RXJ-N RXM-M(9)
RXM-N(9) MXM-M(9) MXM-N(9)
ARXM-M(9) ARXM-N(9)
ESIE16-02K

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Summary of Contents for Daikin FTXJ-M

  • Page 1 ESIE16-02K Service Manual RA R32 Split & multi split M-Series Indoor unit Outdoor unit FTXJ-M FTXM-M FTXP-KV FDXM-F RXJ-M(9) RXJ-N RXM-M(9) FVXM-F FNA-A CTXM-M CTXM-N RXM-N(9) MXM-M(9) MXM-N(9) ATXM-M ATXM-N FTXP-M9 ARXM-M(9) ARXM-N(9)
  • Page 2 ESIE16-02K 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: Table Of Contents

    RA R32 Split & multi split M-Series ESIE16-02K 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.
  • Page 4 RA R32 Split & multi split M-Series ESIE16-02K 2.2.2.19. “L1-00” – Outdoor main PCB abnormality ....................35 2.2.2.20. “L3-00” – Switch box temperature abnormality ..................36 2.2.2.21. “L4-00” – Inverter radiating fin temperature abnormality ................36 2.2.2.22. “L5-00” – Inverter instantaneous overcurrent (AC output) ..............37 2.2.2.23.
  • Page 5 RA R32 Split & multi split M-Series ESIE16-02K 3.3.2.8. Replacing expansion valve motor ......................83 3.3.2.9. Replacing main PCB ..........................85 3.3.2.10. Replacing propeller fan blade assembly ....................86 3.3.2.11. Replacing thermistors ..........................87 3.3.2.12. Setting test mode for inverter checker ....................88 Part 4.
  • Page 6 RA R32 Split & multi split M-Series ESIE16-02K 5.3.1.4. FTXM42M ..............................117 5.3.1.5. FTXM42N ...............................117 5.3.1.6. FTXM50-60M, FTXM50-60N, ATXM50M, ATXM50N ................117 5.3.1.7. FTXM71M, FTXM71N ..........................118 5.3.1.8. FTXM20-25M9 ............................118 5.3.2. Outdoor unit ............................... 119 5.3.2.1. 2MXM40M ..............................119 5.3.2.2. 3MXM68M, 3MXM68N(9) ........................119 5.3.2.3. 4MXM68M, 4MXM68N ...........................120 5.3.2.4.
  • Page 7 RA R32 Split & multi split M-Series ESIE16-02K Figure 2-1: Service display location ..........................19 Figure 3-1: 1 service port at the stop valves ......................62 Figure 3-2: 2 service ports at stop valves .........................63 Figure 3-3: Removing plate work ..........................67 Figure 3-4: Removing the screw ..........................67 Figure 3-5: Removing casing of the sensor ......................68 Figure 3-6: Removing PCB connectors ........................68 Figure 3-7: Removing refrigerant connection cover ....................69...
  • Page 8 RA R32 Split & multi split M-Series ESIE16-02K Figure 5-22: Wiring diagram - outdoor unit RXM71M .................... 109 Figure 5-23: Wiring diagram - outdoor unit RXJ50N ....................110 Figure 5-24: Wiring diagram - outdoor unit RXM20-35N9, ARXM25-35N9 ............110 Figure 5-25: Wiring diagram - outdoor unit RXM42N9, ARXM50N9 ..............111 Figure 5-26: Wiring diagram - outdoor unit RXM50-60N9 ..................

  • Page 9: Part 1. Introduction

    RA R32 Split & multi split M-Series ESIE16-02K 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 ESIE16-02A Document release...

  • Page 10: Safety Precautions

    RA R32 Split & multi split M-Series ESIE16-02K 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: Cautions

    RA R32 Split & multi split M-Series ESIE16-02K 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. •...

  • Page 13: Information

    RA R32 Split & multi split M-Series ESIE16-02K 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. 31/05/21 Version 1.0 Page 13...

  • Page 14: General Operation

    RA R32 Split & multi split M-Series ESIE16-02K Part 1. Introduction 1.3. General operation 1.3. General operation • The Multi Split is typically used for cooling or heating in residential applications. The medium which is used to transfer the heat from inside to outside or vice versa, is refrigerant R32.

  • Page 15: How To Use

    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: Parts Of The Book

    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: Part 2. Troubleshooting

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.1. Error codes check Part 2. Troubleshooting This part contains the following chapters: Error codes check ....................................17 Error based troubleshooting .................................20 Symptom based troubleshooting................................44 Component checklist ....................................49 2.1. Error codes check 2.1.1.

  • Page 18: History Of Error Codes

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.1. Error codes check Press “ON/OFF” button for 5 sec. Power OFF and power ON the unit. Go to “trial operation” (as explain in the manual): Press “TEMP” and “MODE” buttons at the same time. Press “MODE”...

  • Page 19: Error Codes Via Outdoor Unit Pcb2 (Service Pcb) (3Mxm-N(9), 4Mxm-N(9), 5Mxm-N(9))

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.1. Error codes check 2.1.2. Error codes via outdoor unit PCB2 (Service PCB) (3MXM-N(9), 4MXM-N(9), 5MXM-N(9)) 2.1.2.1. How to retrieve error codes Troubleshooting via the service display. GREEN GREEN FLASHING: NORMAL FLASHING —...

  • Page 20: Error Based Troubleshooting

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2. Error based troubleshooting Overview of error codes: Indoor unit......................................21 “A0-00” – Detection of refrigerant leak (only for FVXM-F model) .................... 21 “A1-00” – PCB abnormality..............................21 “A1-01”...

  • Page 21: Indoor Unit

    RA R32 Split & multi split M-Series ESIE16-02K 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.

  • Page 22: A1-01" - Pcb Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.1.3. “A1-01” – PCB abnormality Trigger Effect Reset The system cannot set the internal set- Unit will stop operating. Power reset via outdoor unit. tings Possible cause Check Corrective action...

  • Page 23: A6-00" - Fan Motor Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.1.5. “A6-00” – Fan motor abnormality Trigger Effect Reset The rotation speed of the fan motor is not Unit will stop operating. Power reset via outdoor unit. detected while the output voltage to the fan is at its maximum.

  • Page 24: C7-00" - Front Panel Open/Close Fault

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.1.7. “C7-00” – Front panel open/close fault Trigger Effect Reset Shutter limit switch not activated or faulty. Unit will stop operating when error occurs Power reset via outdoor unit. 2 times.

  • Page 25: Uh-00" - Anti-Icing Function In Other Room(S)

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Sensor error. Check if connection and wiring of sensor Correct the wiring connection or repair the to PCB is OK. wiring.

  • Page 26: Outdoor Unit

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2. Outdoor unit 2.2.2.1. “E1-00” – Outdoor unit PCB abnormality Trigger Effect Reset Outdoor main PCB detects that EEPROM Unit will stop operating. Manual reset via user interface. is abnormal.

  • Page 27: E5-00" - Compressor Motor Lock Or Overheated

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.3. “E5-00” – Compressor motor lock or overheated Trigger Effect Reset Compressor overload is detected. Unit will stop operating. Automatic reset if the unit runs for 60 sec- onds without error.

  • Page 28: E7-00" - Fan Motor Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K 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 29: E8-00" - Compressor Overcurrent Detection

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.6. “E8-00” – Compressor overcurrent detection Trigger Effect Reset When the compressor is running the cur- Unit will stop operating. Manual reset via user interface. rent exceeds 9.25 A ~ 20 A (depending on the unit) for 2.5 seconds.

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

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Wrong combination hybrid and outdoor Check if correct hybrid is installed. Make official combination hybrid and out- unit. door unit. 2.2.2.8.

  • Page 31: F8-00" - System Shutdown Due To Compressor Internal Temperature Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty stop valve. Check the stop valve. Replace the stop valve when required. Faulty heat exchanger thermistor. Check heat exchanger thermistor. Replace heat exchanger thermistor when required.

  • Page 32: H6-00" - Position Detection Sensor Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty connection or wiring of the PCB's. Check the connections and the wiring of Adjust connection or wiring when the PCB’s. required.

  • Page 33: H9-00" - Outdoor Air Temperature Thermistor Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty power module. Check outdoor inverter PCB. Restore the power to the outdoor inverter PCB. Input current or compressor current too Check if the HAP LED is blinking in regu- low.

  • Page 34: J8-00" - Liquid Pipe Thermistor Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty heat exchanger thermistor. Check heat exchanger thermistor. Replace heat exchanger thermistor when required. Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu- Restore the power to the outdoor main lar intervals.

  • Page 35: L1-00" - Outdoor Main Pcb Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K 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.

  • Page 36: L3-00" - Switch Box Temperature Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Check procedures Replacing procedures "Fan motor" on page 57 "Replacing DC fan motor assembly" on page 80 2.2.2.20. “L3-00” – Switch box temperature abnormality Trigger Effect Reset Switch box temperature is too high when...

  • Page 37: L5-00" - Inverter Instantaneous Overcurrent (Ac Output)

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Silicon grease is not applied properly on Check the silicon grease on the outdoor Adjust silicon grease when required. the radiation fin. unit PCB.

  • Page 38: P4-00" - Radiating Fin Temperature Sensor Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.23. “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. <...

  • Page 39: System

    RA R32 Split & multi split M-Series ESIE16-02K 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 40: U3-00" - Check Operation Not Executed Or Transmission Error

    RA R32 Split & multi split M-Series ESIE16-02K 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 >...

  • Page 41: U4-00" - Transmission Abnormality Between Indoor Unit And Outdoor Unit

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action No self-correction possible. Outdoor temperature below 5°C. Check wiring and piping in the usual man- ner. More than 3 wrong connections. Check piping &...

  • Page 42: U7-00" - Transmission Outdoor Unit-Outdoor Unit Abnormality

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty wiring. Double check if the wiring is correct. It can Correct wiring. be that the connector is the same but not the cables.

  • Page 43: Uf-00" - Wiring And Piping Mismatch

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty indoor unit main PCB. Check if the HAP LED is blinking in regu- Restore the power to the indoor main lar intervals.

  • Page 44: Symptom Based Troubleshooting

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.3. Symptom based troubleshooting 2.3. Symptom based troubleshooting 2.3.1. Operation does not start Check Detail When the operation lamp is off, there is a power failure. Is the power supply breaker ON? Check the power supply.

  • Page 45: Some Indoor Units Do Not Operate

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.3. Symptom based troubleshooting 2.3.3. Some indoor units do not operate Check Detail Check the type of the indoor units. Is the indoor unit type compatible with the outdoor unit? Check if the operation modes of the indoor units have conflict.

  • Page 46: Abnormal High Pressure

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.3. Symptom based troubleshooting Check Detail Check the expansion valve. If a passing sound is heard from the pressure reducing valve, apply sound insulation sheets of putty to reduce the valve noise. 2.3.6.

  • Page 47: Indoor Fan Starts Operating But The Compressor Does Not Operate

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.3. Symptom based troubleshooting Check item Detail Is there clogging before or after the expansion valve (capillary)? Check if there is a temperature difference before and after expansion valve (capillary). Check if the main valve unit of expansion valve operates (by noise, vibration).

  • Page 48: Operation Starts And The Unit Stops Immediately

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.3. Symptom based troubleshooting 2.3.9. Operation starts and the unit stops immediately Check Detail Check the power supply. Is the capacity of the safety breaker as specified? If the earth leakage breaker is too sensitive, then increase the set value of the earth leakage current of the breaker or replace the breaker.

  • Page 49: Component Checklist

    RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.4. Component checklist 2.4. Component checklist Overview of component checklists: Indoor unit ......................................50 Fan motor ....................................50 Outdoor unit......................................51 4-way valve ....................................51 Compressor....................................53 Electronic expansion valve...............................55 Fan motor ....................................57 Main PCB ....................................57 Refrigerant thermistors................................58 31/05/21 Version 1.1...

  • Page 50: Indoor Unit

    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 casing when required. PROCEDURE Check the state of the rotor, replace the rotor if damaged, deformed, cracked or broken.

  • Page 51: Outdoor Unit

    129. 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 52 ESIE16-02K 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 69). PROCEDURE Switch on the Daikin unit, start heating operation.

  • Page 53: 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 54 RA R32 Split & multi split M-Series ESIE16-02K 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"...

  • Page 55: 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 56 RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.4. Component checklist 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 56 31/05/21 Version 1.1...

  • Page 57: Fan Motor

    129. 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 69). PROCEDURE Check the state of the propeller, replace the propeller if damaged, deformed, cracked or broken (refer to "Replacing propeller...

  • Page 58: 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 59 RA R32 Split & multi split M-Series ESIE16-02K 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. •...
  • Page 60 RA R32 Split & multi split M-Series ESIE16-02K Part 2. Troubleshooting 2.4. Component checklist T °C kΩ T °C kΩ T °C kΩ T °C kΩ T °C kΩ -25,0 144,32 31,1 28,0 54,5 81,0 -24,5 139,77 30,3 28,5 55,0 81,5 -24,0 135,39...

  • Page 61: Part 3. Repair

    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 62 RA R32 Split & multi split M-Series ESIE16-02K 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.

  • Page 63: Refrigerant Pump Down

    RA R32 Split & multi split M-Series ESIE16-02K Part 3. Repair 3.1. Refrigerant repair procedures Figure 3-2: 2 service ports at 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 64: Piping Repair Procedures

    RA R32 Split & multi split M-Series ESIE16-02K Part 3. Repair 3.1. Refrigerant repair procedures 3.1.4. Piping repair procedures • Make sure to cover open pipe ends during repair work so no dust or moisture can enter. • Make sure to re-apply insulation removed during repair. •...

  • Page 65: Service Tools

    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 66: Unit Specific Repair Procedures

    RA R32 Split & multi split M-Series ESIE16-02K Part 3. Repair 3.3. Unit specific repair procedures 3.3. Unit specific repair procedures Overview: Indoor unit......................................67 Replacing R32 sensor (only for FVXM-F model)........................67 Outdoor unit......................................69 Basic removal ..................................69 Replacing switch box................................

  • Page 67: Indoor Unit

    3.3.1. Indoor unit 3.3.1.1. 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 68 RA R32 Split & multi split M-Series ESIE16-02K Part 3. Repair 3.3. Unit specific repair procedures Figure 3-5: Removing casing of the sensor Remove PCB connectors, put new PCB in casing. Figure 3-6: Removing PCB connectors Installation Proceed in reverse order. Page 68 31/05/21 Version 1.1...

  • Page 69: Outdoor Unit

    3.3.2.1.2 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 70 1. Screw 3.3.2.1.4 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 71 1. Screw 3.3.2.1.5 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 72: Replacing Switch Box

    3.3. Unit specific repair procedures 3.3.2.2. Replacing 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 73 RA R32 Split & multi split M-Series ESIE16-02K Part 3. Repair 3.3. Unit specific repair procedures Figure 3-11: Removing the switch box 1. Insulation 6. Wire clamp 2. Main PCB 7. Screw 3. Electrical power wiring 8. Right side plate assembly 4.

  • Page 74: 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 75 RA R32 Split & multi split M-Series ESIE16-02K 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. 31/05/21 Version 1.1 Page 75...

  • Page 76: 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 77: 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 78 RA R32 Split & multi split M-Series ESIE16-02K Part 3. Repair 3.3. Unit specific repair procedures Figure 3-14: Removing the compressor 1. Screw 6. Nut 2. Partition plate assembly 7. Compressor 3. Terminal cover 8. Putty 4. Compressor wiring 9. Dampers 5.
  • Page 79 RA R32 Split & multi split M-Series ESIE16-02K 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 80: Replacing Dc Fan Motor Assembly

    3.3.2.6. 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" on page...
  • Page 81 RA R32 Split & multi split M-Series ESIE16-02K Part 3. Repair 3.3. Unit specific repair procedures Figure 3-15: 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.

  • Page 82: 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 83: 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 84 RA R32 Split & multi split M-Series ESIE16-02K Part 3. Repair 3.3. Unit specific repair procedures Figure 3-18: Locking the expansion valve motor 1. Pipe retention clip 3. Expansion valve motor 2. Pipe Page 84 31/05/21 Version 1.1...

  • Page 85: Replacing Main Pcb

    3.3. Unit specific repair procedures 3.3.2.9. 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 the switch box, refer to "Replacing switch box" on page PROCEDURE Removal Cut the 2 cable ties (1).

  • Page 86: Replacing Propeller Fan Blade Assembly

    3.3. Unit specific repair procedures 3.3.2.10. Replacing propeller fan blade assembly 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 87: Replacing Thermistors

    3.3. Unit specific repair procedures 3.3.2.11. Replacing thermistors 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, see "Basic removal" on page PROCEDURE...

  • Page 88: Setting Test Mode For Inverter Checker

    RA R32 Split & multi split M-Series ESIE16-02K Part 3. Repair 3.3. Unit specific repair procedures 3.3.2.12. Setting test mode for inverter checker 3.3.2.12.1 For 2MXM outdoor units Activate power transistor test operation from the indoor unit with the remote controller. ARC466 Series Turn the system on.

  • Page 89: Part 4. Maintenance

    RA R32 Split & multi split M-Series ESIE16-02K Part 4. Maintenance 4.1. Indoor unit Part 4. Maintenance This part contains the following chapters: Indoor unit ......................................89 Outdoor unit......................................91 4.1. Indoor unit ARNING Before performing any maintenance, power off the unit. NFORMATION After all checks are made, make sure the water and brine circuits are filled properly again and fluid pressures are in line with regulations (±...

  • Page 90: To Clean The Air Filters

    RA R32 Split & multi split M-Series ESIE16-02K Part 4. Maintenance 4.1. Indoor unit 4.1.2. To clean the air filters Push the tab at the center of each air filter, then pull it down. Pull out the air filters. Remove the titanium apatite deodorizing filter and silver particle filter from the tabs. Wash the air filters with water or clean them with a vacuum cleaner.

  • Page 91: Outdoor Unit

    RA R32 Split & multi split M-Series ESIE16-02K 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 92 RA R32 Split & multi split M-Series ESIE16-02K Part 4. Maintenance 4.2. Outdoor unit Page 92 31/05/21 Version 1.1...

  • Page 93: Part 5. Appendix

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix Part 5. Appendix This part contains the following chapters: Field setting ......................................95 Wiring diagram ....................................102 Piping diagram ....................................116 Component overview of unit................................128 Product specific information ................................129 Switch box ......................................129 Field information report ..................................130 31/05/21 Version 1.1...
  • Page 94 RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix Page 94 31/05/21 Version 1.1...

  • Page 95: Field Setting

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.1. Field setting 5.1. Field setting 5.1.1. Indoor unit 5.1.1.1. Indoor fan control during thermostat off in cooling Model: FTXM-M, ATXM-M (BMS) / Remote controller: ARC466A33 Software logic change for thermostat OFF is for cooling operation (to increase SEER) (for main stream models FTXM/CTXM). Figure 5-1: How to change fan OFF to ON when in cooling thermo off Temp Temp...

  • Page 96: Brightness Setting Of Multi-Coloured Lamp Of The Indoor Unit

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.1. Field setting 5.1.1.2. Brightness setting of multi-coloured lamp of the indoor unit Press TEMP and MODE buttons simultaneously. SC is displayed on the screen. Select L (light) with TEMP buttons up or down. Press MODE button to enter brightness setting mode.

  • Page 97: Auto Restart On/Off

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.1. Field setting 5.1.1.5. Auto restart ON/OFF Remote controller: ARC480A53 Press TEMP▲, TEMP▼ and OFF simultaneously. Press TEMP▲. Select SU. Press FAN to confirm. Press TEMP▲. Select “10”. Press FAN to confirm.

  • Page 98: Outdoor Unit

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.1. Field setting 5.1.2. Outdoor unit 5.1.2.1. Facility setting for outdoor split units This function is designed for facilities such as equipment or computer rooms. It is never to be used in a residence or office where people occupy the space. Cutting jumper 6 (J6) on the circuit board will expand the operation range down to -15°C.
  • Page 99 RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.1. Field setting 5.1.2.2.2 Dip switch settings Figure 5-5: Dip switch location 1. Service monitor LEDs 6. Cool/heat selector 2. Connector for D checker 7. J_DP jumper 3. SW4 8.
  • Page 100 RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.1. Field setting 5.1.2.2.3 Cool mode lock Use the S15 connector to set the unit to cool only. Short-circuit pins 3 and 5 of the connector S15 to set to only cool (C). The following specifications apply to the connector housing and pins.

  • Page 101: Reducing Maximum Sound Levels

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.1. Field setting 5.1.2.3. Reducing maximum sound levels NFORMATION ONLY applicable for RXJ20~35M9 unit. If the sound level CANNOT meet the local regulation (e.g. Netherlands), the maximum sound level can be reduced by cutting J5 jumper on the main PCB of the outdoor unit. Figure 5-8: Cutting J5 jumper Field setting Sound level reduction...

  • Page 102: Wiring Diagram

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2. Wiring diagram 5.2.1. Indoor unit 5.2.1.1. FNA-A Figure 5-9: Wiring diagram - indoor unit FNA-A Page 102 31/05/21 Version 1.1...

  • Page 103: Ftxm20-42M, Ftxm20-42N, Ctxm-M, Ctxm-N, Atxm20-35M, Atxm20-35N

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.1.2. FTXM20-42M, FTXM20-42N, CTXM-M, CTXM-N, ATXM20-35M, ATXM20-35N Figure 5-10: Wiring diagram - indoor unit FTXM20-42M, FTXM20-42N, CTXM-M, CTXM-N, ATXM20-35M, ATXM20-35N 5.2.1.3. FTXM50-71M, FTXM50-71N, ATXM50M, ATXM50N Figure 5-11: Wiring diagram - indoor unit FTXM50-71M, FTXM50-71N, ATXM50M, ATXM50N 31/05/21 Version 1.1 Page 103...

  • Page 104: Ftxm20-35M9

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.1.4. FTXM20-35M9 Figure 5-12: Wiring diagram - indoor unit FTXM20-35M9 Wiring diagram Field wiring Indoor Transmissionn circuit Outdoor A1~4P : Printed circuit board Signal receiver : Buzzer : Frame ground : Fuse H1~H3, HK1-HK2 : Harness...

  • Page 105: Outdoor Unit

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2. Outdoor unit 5.2.2.1. 2MXM50M9 Figure 5-13: Wiring diagram - outdoor unit 2MXM50M9 5.2.2.2. 3MXM68M, 3MXM68N(9) Figure 5-14: Wiring diagram - outdoor unit 3MXM68M, 3MXM68N(9) GRN/YLW PCB2 X11A S501...

  • Page 106: 4Mxm-M, 4Mxm-N

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2.3. 4MXM-M, 4MXM-N Figure 5-15: Wiring diagram - outdoor unit 4MXM-M, 4MXM-N GRN/YLW Sheet metal Wiring diagram MS M1C Power supply PCB2 SW2 SW4 SW6 SW1 SW3 SW5 A 1 2 3 4 5 X11A S501...

  • Page 107: Rxj20-35M(9)

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2.5. RXJ20-35M(9) Figure 5-17: Wiring diagram - outdoor unit RXJ20-35M(9) 5.2.2.6. RXJ50M Figure 5-18: Wiring diagram - outdoor unit RXJ50M 31/05/21 Version 1.1 Page 107...

  • Page 108: Rxm20-35M, Arxm-M

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2.7. RXM20-35M, ARXM-M Figure 5-19: Wiring diagram - outdoor unit RXM20-35M, ARXM-M 5.2.2.8. RXM42-50M Figure 5-20: Wiring diagram - outdoor unit RXM42-50M Page 108 31/05/21 Version 1.1...

  • Page 109: Rxm60-71M

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2.9. RXM60-71M Figure 5-21: Wiring diagram - outdoor unit RXM60-71M 5.2.2.10. RXM71M Figure 5-22: Wiring diagram - outdoor unit RXM71M 31/05/21 Version 1.1 Page 109...

  • Page 110: Rxj50N

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2.11. RXJ50N Figure 5-23: Wiring diagram - outdoor unit RXJ50N 5.2.2.12. RXM20-35N9, ARXM25-35N9 Figure 5-24: Wiring diagram - outdoor unit RXM20-35N9, ARXM25-35N9 Page 110 31/05/21 Version 1.1...

  • Page 111: Rxm42N9, Arxm50N9

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2.13. RXM42N9, ARXM50N9 Figure 5-25: Wiring diagram - outdoor unit RXM42N9, ARXM50N9 5.2.2.14. RXM50-60N9 Figure 5-26: Wiring diagram - outdoor unit RXM50-60N9 31/05/21 Version 1.1 Page 111...

  • Page 112: Rxm71N

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2.15. RXM71N Figure 5-27: Wiring diagram - outdoor unit RXM71N 5.2.2.16. 2MXM40M Figure 5-28: Wiring diagram - outdoor unit 2MXM40M Page 112 31/05/21 Version 1.1...

  • Page 113: 3Mxm40-52M

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2.17. 3MXM40-52M Figure 5-29: Wiring diagram - outdoor unit 3MXM40-52M 5.2.2.18. RXM20-35M9, ARXM25-35M9 Figure 5-30: Wiring diagram - outdoor unit RXM20-35M9, ARXM25-35M9 31/05/21 Version 1.1 Page 113...

  • Page 114: Rxm42-50M9, Arxm50M9

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2.19. RXM42-50M9, ARXM50M9 Figure 5-31: Wiring diagram - outdoor unit RXM42-50M9, ARXM50M9 5.2.2.20. ARXM50N Figure 5-32: Wiring diagram - outdoor unit ARXM50N Page 114 31/05/21 Version 1.1...

  • Page 115: 3Mxm40-52N, 3Mxm52N9

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.2. Wiring diagram 5.2.2.21. 3MXM40-52N, 3MXM52N9 Figure 5-33: Wiring diagram - outdoor unit 3MXM40-52N, 3MXM52N9 5.2.3. Field wiring Not applicable. 31/05/21 Version 1.1 Page 115...

  • Page 116: Piping Diagram

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3. Piping diagram 5.3.1. Indoor unit 5.3.1.1. FNA-A Figure 5-34: Piping diagram - indoor unit FNA-A 5.3.1.2. FTXM20-35M, FTXM20N, CTXM-M, CTXM-N, ATXM20-35M, ATXM20N, FTXP35M9 Figure 5-35: Piping diagram - indoor unit FTXM20-35M, FTXM20N, CTXM-M, CTXM-N, ATXM20-35M, ATXM20N, FTXP35M9 5.3.1.3.

  • Page 117: Ftxm42M

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.1.4. FTXM42M Figure 5-37: Piping diagram - indoor unit FTXM42M 5.3.1.5. FTXM42N Figure 5-38: Piping diagram - indoor unit FTXM42N 5.3.1.6. FTXM50-60M, FTXM50-60N, ATXM50M, ATXM50N Figure 5-39: Piping diagram - indoor unit FTXM50-60M, FTXM50-60N, ATXM50M, ATXM50N 31/05/21 Version 1.1 Page 117...

  • Page 118: Ftxm71M, Ftxm71N

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.1.7. FTXM71M, FTXM71N Figure 5-40: Piping diagram - indoor unit FTXM71M, FTXM71N 5.3.1.8. FTXM20-25M9 Figure 5-41: Piping diagram - indoor unit FTXM20-25M9 Indoor unit Refrigerant flow Cooling Heating Heat exchanger...

  • Page 119: Outdoor Unit

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.2. Outdoor unit 5.3.2.1. 2MXM40M Figure 5-42: Piping diagram - outdoor unit 2MXM40M Outdoor air temperature thermistor Branch pipe Heat exchanger Motor-operated valve 7.0CuT Thermistor (liquid) Room A Muffler with filter 6.4CuT...

  • Page 120: 4Mxm68M, 4Mxm68N

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.2.3. 4MXM68M, 4MXM68N Figure 5-44: Piping diagram - outdoor unit 4MXM68M, 4MXM68N Electronic expansion valve Heat exchanger Outdoor air temperature thermistor Thermistor (liquid) Filter Refnet header 7.9CuT 7.9CuT 6.4CuT...

  • Page 121: Rxj20-35M(9)

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.2.5. RXJ20-35M(9) Figure 5-46: Piping diagram - outdoor unit RXJ20-35M(9) Heat exchanger 7.0CuT Outdoor air temperature thermistor 7.0CuT Heat exchanger thermistor Motor-operated valve 4.8CuT 6.4CuT 6.4CuT 4.8CuT Muffler with filter Muffler with filter...

  • Page 122: Rxm20-35M, Rxm20-35M9, Arxm-M, Arxm25-35M9, Arxm25-35N9

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.2.7. RXM20-35M, RXM20-35M9, ARXM-M, ARXM25-35M9, ARXM25-35N9 Figure 5-48: Piping diagram - outdoor unit RXM20-35M, RXM20-35M9, ARXM-M, ARXM25-35M9, ARXM25-35N9 Heat exchanger 7.0CuT Outdoor air temperature thermistor 7.0CuT Heat exchanger thermistor Motor-operated valve 4.8CuT...

  • Page 123: Rxm60M, Rxm60M9

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.2.9. RXM60M, RXM60M9 Figure 5-50: Piping diagram - outdoor unit RXM60M, RXM60M9 Refrigerant flow Heat exchanger Outdoor air temperature thermistor Cooling 7.9 CuT 7.9 CuT Heating 7.9 CuT 7.9 CuT 7.9 CuT...

  • Page 124: Rxj50N

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.2.11. RXJ50N Figure 5-52: Piping diagram - outdoor unit RXJ50N Page 124 31/05/21 Version 1.1...

  • Page 125: Rxm20-35N9

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.2.12. RXM20-35N9 Figure 5-53: Piping diagram - outdoor unit RXM20-35N9 5.3.2.13. RXM42-60N9, ARXM50N, ARXM50-60N9 Figure 5-54: Piping diagram - outdoor unit RXM42-60N9, ARXM50N, ARXM50-60N9 31/05/21 Version 1.1 Page 125...

  • Page 126: Rxm71N

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.2.14. RXM71N Figure 5-55: Piping diagram - outdoor unit RXM71N 5.3.2.15. 2MXM-M9 Figure 5-56: Piping diagram - outdoor unit 2MXM-M9 Page 126 31/05/21 Version 1.1...

  • Page 127: 3Mxm40-52M, 3Mxm40-52N, 3Mxm52N9

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.3. Piping diagram 5.3.2.16. 3MXM40-52M, 3MXM40-52N, 3MXM52N9 Figure 5-57: Piping diagram - outdoor unit 3MXM40-52M, 3MXM40-52N, 3MXM52N9 5.3.2.17. 4MXM80M, 4MXM80N Figure 5-58: Piping diagram - outdoor unit 4MXM80M, 4MXM80N 31/05/21 Version 1.1 Page 127...

  • Page 128: Component Overview Of Unit

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.4. Component overview of unit 5.4. Component overview of unit 5.4.1. Indoor unit Not available yet. 5.4.2. Outdoor unit Figure 5-59: Component overview - outdoor unit 1. Thermistor lead wire connector 8.

  • Page 129: Product Specific Information

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.5. Product specific information 5.5. Product specific information 5.5.1. Error codes 5.5.1.1. “E7-00” – Fan motor abnormality Unit will automatically reset the error after a continuous run for 60 minutes without any other error code. 5.5.1.2.

  • Page 130: Field Information Report

    RA R32 Split & multi split M-Series ESIE16-02K Part 5. Appendix 5.7. Field information report 5.7. Field information report See next page. Page 130 31/05/21 Version 1.1...
  • Page 131 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 132 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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