Related Manuals for Daikin Comfora FTXP20~71L2V1B
Summary of Contents for Daikin Comfora FTXP20~71L2V1B
- Page 1 Service manual Split Comfora R32 FTXP20~71L2V1B ATXP20~35L2V1B Service manual RXP20~71L2V1B English Split Comfora R32 ARXP20~35L2V1B...
- Page 2 Disclaimer 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.
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Page 3: Table Of Contents
Table of contents 2.3.1 Checking procedures ........... 23 Table of contents 2.3.2 Repair procedures ............24 High pressure switch ..............26 2.4.1 Checking procedures ........... 26 2.4.2 Repair procedures ............26 1 Troubleshooting Indoor unit fan motor ..............27 To display the error code on the user interface......2.5.1 Checking procedures ........... -
Page 4: Troubleshooting
1 Troubleshooting Error based troubleshooting Troubleshooting 1.5.1 A1-00 – PCB abnormality To display the error code on the user interface Trigger Effect Reset The system CANNOT Unit will stop Power reset via 1 Hold for about 5 seconds. set the internal operating. -
Page 5: A6-00 - Indoor Unit Fan Motor Abnormality
1 Troubleshooting 3 Clean the indoor unit heat exchanger. See "4 Maintenance" on Possible cause: Faulty indoor unit PCB. page 48. INFORMATION Possible cause: Dirty indoor unit heat exchanger. If all procedures listed above have been performed and the 4 Perform a check of the indoor unit heat exchanger thermistor. problem is still present, contact the helpdesk. -
Page 6: E3-00 - High Pressure Switch Abnormality
1 Troubleshooting 4 Perform a check of the expansion valve. See "2.3 Expansion 1.5.7 E3-00 – High pressure switch abnormality valve" on page 23. Trigger Effect Reset Possible cause: Faulty expansion valve. High pressure switch Unit will stop Manual reset via user 5 Perform a check of the 4‑way valve. -
Page 7: E7-00 - Fan Lock Abnormality
1 Troubleshooting 6 Perform a check of the 4‑way valve. See "2.1 4-way valve" on 4 Check if the power supply is conform with the regulations. See page 18. "3.1 Power supply" on page 44. Possible cause: Faulty 4‑way valve. Possible cause: ▪ Faulty or disturbance of the power supply (imbalance 7 Perform a check of the expansion valve. -
Page 8: F6-00 - Stop Due To Cooling High Pressure
1 Troubleshooting To solve the error code Possible cause: Faulty expansion valve. INFORMATION 5 Perform a check of the main PCB. See "2.8 Main PCB" on page 32. It is recommended to perform the checks in the listed order. Possible cause: Faulty main PCB. 1 Perform a check of the refrigerant circuit. -
Page 9: H3-00 - High Pressure Switch Defect
1 Troubleshooting To solve the error code Possible cause: ▪ Faulty or disturbance of the power supply (imbalance INFORMATION >10%), It is recommended to perform the checks in the listed ▪ Power drop, order. ▪ Short circuit. 1 Perform a check of the compressor. See "2.2 ... -
Page 10: H9-00 - Outdoor Air Thermistor Abnormality
1 Troubleshooting To solve the error code Possible cause: Faulty reactor. INFORMATION INFORMATION It is recommended to perform the checks in the listed If all procedures listed above have been performed and the order. problem is still present, contact the helpdesk. 1 Perform a check of the heat exchanger thermistor. -
Page 11: L5-00 - Output Over Current Abnormality
1 Troubleshooting 1 Perform a check of the outdoor unit fan motor. See INFORMATION "2.9 Outdoor unit fan motor" on page 34. If all procedures listed above have been performed and the Possible cause: Faulty outdoor unit fan motor. problem is still present, contact the helpdesk. 2 Check if the power supply is conform with the regulations. -
Page 12: U2-00 - Main Circuit Voltage Abnormality
1 Troubleshooting 1 Check if the power supply is conform with the regulations. See 1.5.28 U2-00 – Main circuit voltage abnormality "3.1 Power supply" on page 44. Trigger Effect Reset Possible cause: Power supply Unit will stop Power reset via ▪ Faulty or disturbance of the power supply (imbalance abnormality or instant operating. - Page 13 1 Troubleshooting INFORMATION If all procedures listed above have been performed and the problem is still present, contact the helpdesk. ATXP20~35L2V1B + FTXP20~71L2V1B + ARXP20~35L2V1B + Service manual RXP20~71L2V1B Split Comfora R32 ESIE18-01 – 2019.02...
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Page 14: Symptom Based Troubleshooting
1 Troubleshooting Symptom based troubleshooting 1.6.1 Operation does not start Check Detail When the operation lamp blinks, "1.5 Error based Check Detail there may be an error code, troubleshooting" on page 4. When the operation lamp is off, ▪ Is the power supply breaker activating the protection device. -
Page 15: Operating Noise And Vibrations
1 Troubleshooting In cooling mode 1.6.4 Operating noise and vibrations Check item Detail Check Detail Does the indoor unit fan run Visual inspection Check the installation conditions ▪ Use general vibration normally? (specified in the installation prevention where needed. Is the indoor unit heat exchanger Visual inspection manual). -
Page 16: Indoor Fan Starts Operating But The Compressor Does Not Operate
1 Troubleshooting 1.6.8 Operation starts and the unit stops Check item Detail immediately Is there clogging before or after ▪ Check if there is a temperature the expansion valve (capillary)? difference before and after Check Detail expansion valve (capillary). Check the power supply. ▪... -
Page 17: Swing Flap Does Not Operate
1 Troubleshooting 1.6.11 Swing flap does not operate Symptom Check Detail Swing flap does not Check swing flap Some functions can operate motor force the swing flap into a fixed position, although swing mode is selected on the remote controller. This is not a unit error, but a control function to prevent... -
Page 18: Components
2 Components Does the 4‑way valve switch? Action Components Replace the 4‑way valve body, "2.1.2 Repair procedures" on 4-way valve page 19. To perform an electrical check of the 4-way valve 2.1.1 Checking procedures 1 First perform a mechanical check of the 4‑way valve, see INFORMATION "2.1.1 Checking procedures" on page 18. -
Page 19: Repair Procedures
2 Components Screw 4‑way valve coil 4‑way valve body 2 Cut all tie straps that fix the 4‑way valve coil harness. 3 Disconnect the 4‑way valve coil connector from the main PCB. 4 To install the 4‑way valve coil, see "2.1.2 Repair procedures" on page 19. -
Page 20: Compressor
2 Components Compressor 2.2.1 Checking procedures INFORMATION It is recommended to perform the checks in the listed order. To perform a mechanical check of the compressor Prerequisite: Turn OFF the unit via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Remove the required plate work, see "2.10 ... - Page 21 2 Components To perform an insulation check of the compressor Prerequisite: First perform an electrical check of the compressor, "2.2.1 Checking procedures" on page 20. Prerequisite: Turn OFF the unit via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Remove the required plate work, see "2.10 ...
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Page 22: Repair Procedures
2 Components CAUTION Do NOT connect the Megger ground test lead to any other ground wire. 6 Measure the insulation resistance between the following terminals. The measured insulation resistance MUST be >3 MΩ. ▪ U–ground, ▪ V–ground, ▪ W–ground. Compressor insulation Action measurements are correct? Perform a check of the... -
Page 23: Expansion Valve
2 Components Compressor Damper Compressor wire terminals cover 3 Remove the caps from the compression pipe and suction pipe. 8 Add refrigerant to the refrigerant circuit, see "3.2.2 Repair procedures" on page 46. CAUTION Is the problem solved? Action The oil in the compressor is hygroscopic. Therefore remove the caps from the compressor pipes as late as No further actions required. -
Page 24: Repair Procedures
2 Components To perform an electrical check of the expansion valve Prerequisite: First perform a mechanical check of the expansion valve, see "2.3.1 Checking procedures" on page 23. 1 Make sure that the electrical connector of the expansion valve motor is correctly connected to the main PCB. 2 Disconnect the electrical connector of the expansion valve motor from the main PCB and measure the continuity between the following pins (windings) using a multi meter. - Page 25 2 Components Putty Putty Expansion valve pipe Expansion valve pipe Expansion valve body Expansion valve body Expansion valve pipe Expansion valve pipe Expansion valve body Expansion valve body INFORMATION INFORMATION The expansion valve and motor can have a different The expansion valve and motor can have a different configuration / layout.
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Page 26: High Pressure Switch
2 Components WARNING When reconnecting a connector to the PCB, do NOT apply force, as this may damage the connector or connector pins of the PCB. 4 Fix the expansion valve motor harness using new tie straps. Is the problem solved? Action No further actions required. -
Page 27: Indoor Unit Fan Motor
2 Components High pressure switch High pressure switch Connector Connector High pressure switch pipe High pressure switch pipe 2 Cut the high pressure switch pipe using a pipe cutter. CAUTION 3 Remove the high pressure switch from the unit. Overheating the pressure switch will damage or destroy it. 4 To install the high pressure switch, see "2.4.2 ... -
Page 28: Repair Procedures
2 Components To perform an electrical check of the DC fan motor assembly 1 First perform a mechanical check of the DC fan motor assembly, see "2.5.1 Checking procedures" on page 27. 2 Measure the resistance between the pins 1-2, 1-3, and 2-3 of the DC fan motor connector. -
Page 29: Indoor Unit Pcb
2 Components White wire Is the measured voltage on the Action indoor unit PCB correct? Return to "2.6.1 Checking procedures" on page 29 of the indoor unit PCB and continue with the next procedure. Adjust the power of the indoor unit PCB, see "2.6.2 Repair procedures" on page 30. -
Page 30: Repair Procedures
2 Components Indoor unit PCB Fuse PCB support Indoor unit (power) PCB Blown fuse on the indoor unit Action PCB support PCB? Indoor unit (control) PCB Replace the blown fuse, see 3 Remove the indoor unit PCB from the indoor unit. "2.6.2 Repair procedures" on 4 To install the indoor unit PCB, see "2.6.2 Repair procedures" on... -
Page 31: Inverter Pcb
2 Components To adjust the wiring of the indoor unit PCB Is the problem solved? Action Return to "2.6.1 Checking 1 Adjust the wiring according to the wiring diagram and procedures" on page 29 of the connection diagram, see "5.2 Wiring diagram" on page 50. indoor unit PCB and continue 2 Check that all connectors are fully plugged‑in. -
Page 32: Repair Procedures
2 Components Black wire White wire Is the measured voltage on the Action PCB correct? 8 All LED’s on the Inverter Analyzer must lit. Return to "2.8.1 Checking procedures" on page 32 of the 9 Turn off the respective circuit breaker. PCB and continue with the next 10 Wait a few minutes and confirm that the LED’s of the Inverter procedure. -
Page 33: Repair Procedures
2 Components Does the HAP LED blink in Action Blown fuse on the main PCB? Action regular intervals (1 second Replace the blown fuse, see ON/1 second OFF)? "2.8.2 Repair procedures" on Remove the main PCB, see page 33. "2.8.2 Repair procedures" on Return to "2.8.1 Checking page 33. procedures" on page 32 of the main PCB and continue with the... -
Page 34: Outdoor Unit Fan Motor
2 Components 2 Check that all connectors are fully plugged‑in. All colour codes Is the problem solved? Action MUST correspond. Return to "2.8.1 Checking 3 Check that no connectors are damaged. procedures" on page 32 of the PCB and continue with the next Is the problem solved? Action procedure. -
Page 35: Repair Procedures
2 Components 3 Route the DC fan motor harness through the harness retainers Problem solved? and bend the harness retainers to attach the DC fan motor After all checking procedures listed above have been performed: harness. 4 Attach the DC fan motor harness to the switch box. Is the problem solved? Action 5 Install a new tie strap to fix the DC fan motor harness to the... - Page 36 2 Components 1× Screw Front plate 2 Remove the front plate. 3× To remove the compressor sound insulation INFORMATION This procedure is just an example and may differ on some details for your actual unit. Prerequisite: Remove the front plate, see "2.10 ...
- Page 37 2 Components 7 Cut the cable tie. Insulation Main PCB 2 Disconnect all connectors from the main PCB. 3 Disconnect the electrical power supply wiring from the wire terminals. Cable tie Switch box 8 Lift and remove the switch box from the outdoor unit. 9 To install the switch box, see "2.10 Plate work" on page 35.
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Page 38: Indoor Unit
2 Components Cable tie Switch box 7 Install the insulation on the upper side of the switch box. Electrical power supply wiring Wire terminals Screws Wire clamp Screws Right side plate assembly 3 Connect the electrical power supply wiring to the wire terminals. 4 Install the wire clamp and fix it using the screws. - Page 39 2 Components To remove the front panel 1 Hold the front panel by the panel tabs on both sides and open Upper hook Symbol with 3 circles 4 We recommend opening the flap before removing the front grille. 5 Place both hands under the centre of the front grille, push it up and then toward you.
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Page 40: Reactor
2 Components 2.11.2 Repair procedures 2.11 Reactor To remove the reactor 2.11.1 Checking procedures Prerequisite: Turn OFF the unit via the user interface. To perform an electrical check of the reactor Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Turn OFF the unit via the user interface. Prerequisite: Remove the required plate work, see "2.10 ... -
Page 41: Swing Flap Motor
2 Components 2.12 Swing flap motor NOTICE Select the correct type. 2.12.1 Checking procedures To perform an electrical check of the swing flap motor Prerequisite: Turn OFF the unit via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Remove the required plate work, see "2.10 ... -
Page 42: Refrigerant Thermistors
2 Components 2.13.1 Refrigerant thermistors T °C kΩ T °C kΩ T °C kΩ T °C kΩ –19 186.53 38.08 10.21 3.32 Checking procedures –18 175.97 36.30 9.81 3.21 INFORMATION –17 166.07 34.62 9.42 3.11 It is recommended to perform the checks in the listed –16 156.80 33.02... - Page 43 2 Components 3 Cut and remove the insulation. Does the measured resistance Action of the thermistor match with 4 Pull the clip that fixes the thermistor. the temperature determined 5 Remove the thermistor from the thermistor holder. resistance? 6 Disconnect the thermistor connector from the appropriate PCB Thermistor is OK.
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Page 44: Other Thermistors
3 Third party components Is the problem solved? Action Third party components No further actions required. Return to the troubleshooting of Power supply the specific error and continue with the next procedure. 3.1.1 Checking procedures 2.13.2 Other thermistors To check if the power supply is conform with the Checking procedures regulations 1 Check that the power source is in line with the requirements... -
Page 45: Refrigerant Circuit
3 Third party components Temperature drop found? Action Refrigerant circuit Replace the clogged part, see "3.2.2 Repair procedures" on 3.2.1 Checking procedures page 46. Return to "3.2.1 Checking INFORMATION procedures" on page 45 of the It is recommended to perform the checks in the listed refrigerant circuit and continue order. -
Page 46: Repair Procedures
3 Third party components Is the pressure in the Action Is the problem solved? Action refrigerant circuit correct? Return to "3.2.1 Checking Return to "3.2.1 Checking procedures" on page 45 of the procedures" on page 45 of the refrigerant circuit and continue refrigerant circuit and continue with the next procedure. -
Page 47: External Factors
3 Third party components ▪ Pipe expansion / flare making: Repair information ▪ Remove any burrs on the cut surface using the correct tool Refrigerant piping handling such as reamer or scraper (note that excessive deburring can thin the pipe walls and cause cracking of the pipe). ▪... -
Page 48: Maintenance
4 Maintenance Claw Maintenance 4 Wash the air filters with water or clean them with a vacuum cleaner. To clean the outdoor unit heat exchanger 1 Straighten the hair fins. 2 Clear the outdoor unit heat exchanger from dust, leaves,… using a fin-comb or compressed air/N CAUTION Avoid bending or damaging the hair fins of the outdoor unit... -
Page 49: Technical Data
5 Technical data Technical data Detailed information setting mode 5.1.1 Detailed information setting mode: Indoor unit See the installer reference guide on business portal for more information. 5.1.2 Detailed information setting mode: Outdoor unit See the installer reference guide on business portal for more information. -
Page 50: Wiring Diagram
5 Technical data Wiring diagram 5.2.1 Wiring diagram: Indoor unit The wiring diagram is delivered with the unit, located inside of the outdoor unit (bottom side of the top plate). Class 20~35 Class 50~71 (1) Wiring diagram (1) Wiring diagram English Translation English... -
Page 51: Wiring Diagram: Outdoor Unit
5 Technical data 5.2.2 Wiring diagram: Outdoor unit See the internal wiring diagram supplied with the unit (on the inside of the top plate). The abbreviations used are listed below. Class 20~35 English Translation Condenser Condenser (1) Wiring diagram Discharge Discharge English Translation... -
Page 52: Piping Diagram
5 Technical data Piping diagram 5.3.1 Piping diagram: Indoor unit Class 20~35 6.4CuT 6.4CuT 9.5CuT 9.5CuT Field piping (liquid: Ø6.4 mm flare connection) Field piping (gas: Ø9.5 mm flare connection) Crossflow fan Heat exchanger Fan motor Thermistor (heat exchanger) Heating Cooling INFORMATION The diagrams shown in this manual may be incorrect due to changes/updates to the unit. - Page 53 5 Technical data Class 50~71 6.4CuT 6.4CuT 12.7CuT 12.7CuT Field piping (liquid: Ø6.4 mm flare connection) Field piping (gas: Ø12.7 mm flare connection) Crossflow fan Heat exchanger Distributor Fan motor Thermistor (heat exchanger) Heating Cooling INFORMATION The diagrams shown in this manual may be incorrect due to changes/updates to the unit.
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Page 54: Piping Diagram: Outdoor Unit
5 Technical data 5.3.2 Piping diagram: Outdoor unit Class 20~35 7.0CuT 9.5CuT 7.0CuT 4.8CuT 6.4CuT 6.4CuT 4.8CuT 9.5CuT (6.4CuT) 9.5CuT 9.5CuT 9.5CuT (9.5CuT) Field piping (liquid: Ø6.4 mm flare connection) Field piping (gas: Ø9.5 mm flare connection) Stop valve (liquid) Stop valve with service port (gas) Muffler with filter Heat exchanger Accumulator... - Page 55 5 Technical data RXP50L ·7.0· CuT ·4.0· CuT ·7.0· CuT ·6.4· CuT ·6.4· CuT ·7.0· CuT ·7.0· CuT ·4.0· CuT ·12.7· CuT ·12.7· CuT ·12.7· CuT ·6.4· CuT ·6.4· CuT S1PH ·9.5· CuT ·12.7· CuT ·12.7· CuT Field piping (liquid: Ø6.4 mm flare connection) Field piping (gas: Ø12.7 mm flare connection) Stop valve (liquid) Stop valve (gas)
- Page 56 5 Technical data RXP60~71L ·7.0· CuT ·7.0· CuT ·4.0· CuT ·7.0· CuT ·7.0· CuT ·6.4· CuT ·6.4· CuT ·4.0· CuT ·7.0· CuT ·7.0· CuT ·4.0· CuT ·12.7· CuT ·12.7· CuT ·12.7· CuT ·6.4· CuT ·6.4· CuT S1PH ·9.5· CuT ·12.7· CuT ·12.7·...
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Page 57: Component Overview
5 Technical data Component overview 5.4.1 Component overview: Indoor unit Heat exchanger Heat exchanger thermistor R2T Fan motor Swing flap Swing flap motor Room thermistor R1T PCB Switch box Indoor unit PCB ATXP20~35L2V1B + FTXP20~71L2V1B + ARXP20~35L2V1B + Service manual RXP20~71L2V1B Split Comfora R32 ESIE18-01 –... -
Page 58: Component Overview: Outdoor Unit
5 Technical data 5.4.2 Component overview: Outdoor unit Air thermistor R1T Service PCB Heat exchanger High pressure switch (only for RXP50~71L) Expansion valve Discharge pipe thermistor R3T Heat exchanger thermistor R2T Muffler Liquid receiver Accumulator Liquid service ports Compressor Gas service port Fan motor 4‑way valve coil Main + inverter PCB... -
Page 59: Field Information Report
5 Technical data Field information report See next page. ATXP20~35L2V1B + FTXP20~71L2V1B + ARXP20~35L2V1B + Service manual RXP20~71L2V1B Split Comfora R32 ESIE18-01 – 2019.02... - Page 60 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 61 Application information Application (house, apartment, office,…): New project or reimbursement: Heat emitters (radiators / under floor heating / fan coils /…): Hydraulic layout (simple schematic): Unit / Installation information 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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Page 62: Service Tools
5 Technical data Service tools 1 For an overview of the available service tools, check the Business Portal: http://www.mydaikin.eu. 2 Go to the tab After-sales support on the left navigation pane and select Technical support. 3 Click the button Service tools. An overview of the available service tools for the different products is shown. -
Page 63: Field Settings
5 Technical data Field settings 5.7.1 Field settings: Indoor unit To control the indoor unit fan during thermostat 1 Press , and simultaneously. 2 Press 3 Select SU. 4 Press to confirm. 5 Press 6 Select 4. 7 Press to confirm. 8 Press 9 Select 0 (0: fan ON, 1: fan OFF). -
Page 64: Field Settings: Outdoor Unit
5 Technical data 5.7.2 Field settings: Outdoor unit To adapt the facility settings INFORMATION These settings are only to be used for facilities such as equipment or computer rooms and never in a residence or office with people. 1 Cut the jumper J6 on the circuit board using nippers or a similar tool to expand the operation range of the outdoor unit down to –... - Page 68 ESIE18-01 2019.02...