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5 Technical data

Service manual

ATXP20~3 FTXP20~7 ARXP20~3
RXP20~71L2V1B
Split Comfora R32
ESIE18-01 – 2019.02

5.7

Field settings

5.7.1

Field settings: Indoor unit

To control the indoor unit fan during thermostat
off

Press

, and

simultaneously.

Press

Select SU.

Press

to confirm.

Press

Select 4.

Press

to confirm.

Press

Select 0 (0: fan ON, 1: fan OFF).

Press

to confirm.

Содержание Comfora FTXP20~71L2V1B

Страница 1: ...Service manual Split Comfora R32 English Service manual Split Comfora R32 FTXP20 71L2V1B ATXP20 35L2V1B RXP20 71L2V1B ARXP20 35L2V1B...

Страница 2: ...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 servic...

Страница 3: ...e 15 1 6 7 Indoor fan starts operating but the compressor does not operate 16 1 6 8 Operation starts and the unit stops immediately 16 1 6 9 Operation stops unit cannot start for a while 16 1 6 10 Uni...

Страница 4: ...ode in winter set it to test run operation using the following method INFORMATION Some of the functions CANNOT be used in the test run operation mode If a power failure occurs during operation the sys...

Страница 5: ...s a power reset 1 Perform a check of the refrigerant liquid thermistor See 2 13 Thermistors on page 41 Possible cause Faulty refrigerant liquid thermistor 2 Perform a check of the indoor unit PCB See...

Страница 6: ...a check of the compressor See 2 2 Compressor on page 20 Possible cause Faulty compressor 4 Perform a check of the expansion valve See 2 3 Expansion valve on page 23 Possible cause Faulty expansion va...

Страница 7: ...20 Possible cause Faulty compressor 3 Perform a check of the inverter PCB See 2 7 Inverter PCB on page 31 Possible cause Faulty power module inverter PCB 4 Check if the power supply is conform with t...

Страница 8: ...of the heat exchanger thermistor See 2 13 Thermistors on page 41 Possible cause Faulty heat exchanger thermistor 4 Perform a check of the expansion valve See 2 3 Expansion valve on page 23 Possible ca...

Страница 9: ...t after a continuous operation of 10 minutes If the error re occurs within 8 minutes unit will stop operating Manual reset via user interface To solve the error code INFORMATION It is recommended to p...

Страница 10: ...ect Reset Outdoor heat exchanger thermistor input is out of range Unit will stop operating Manual reset via user interface To solve the error code INFORMATION It is recommended to perform the checks i...

Страница 11: ...or on page 20 Possible cause Faulty compressor 4 Check if the power supply is conform with the regulations See 3 1 Power supply on page 44 Possible cause Faulty or disturbance of the power supply imba...

Страница 12: ...the indoor unit also needs a power reset 1 Check if the power supply is conform with the regulations See 3 1 Power supply on page 44 Possible cause Faulty or disturbance of the power supply imbalance...

Страница 13: ...e manual 13 ATXP20 35L2V1B FTXP20 71L2V1B ARXP20 35L2V1B RXP20 71L2V1B Split Comfora R32 ESIE18 01 2019 02 INFORMATION If all procedures listed above have been performed and the problem is still prese...

Страница 14: ...ion cannot be used when the outdoor temperature is below 10 C DB Check Detail When the operation lamp blinks there may be an error code activating the protection device Diagnose with remote controller...

Страница 15: ...onduct refrigerant collection and vacuum drying and then add proper amount refrigerant In cooling mode Check item Detail Does the indoor unit fan run normally Visual inspection Is the indoor unit heat...

Страница 16: ...higher Cooling operation cannot be used when the outdoor temperature is below 10 C DB 1 6 8 Operation starts and the unit stops immediately Check Detail Check the power supply Is the capacity of the s...

Страница 17: ...ing flap does not operate Symptom Check Detail Swing flap does not operate Check swing flap motor Some functions can force the swing flap into a fixed position although swing mode is selected on the r...

Страница 18: ...see 2 1 1 Checking procedures on page 18 Does the 4 way valve switch Action No Replace the 4 way valve body see 2 1 2 Repair procedures on page 19 To perform an electrical check of the 4 way valve 1 F...

Страница 19: ...move the 4 way valve coil from the 4 way valve body c a b a Screw b 4 way valve coil c 4 way valve body 2 Cut all tie straps that fix the 4 way valve coil harness 3 Disconnect the 4 way valve coil con...

Страница 20: ...Return to the troubleshooting of the specific error and continue with the next procedure 2 2 Compressor 2 2 1 Checking procedures INFORMATION It is recommended to perform the checks in the listed ord...

Страница 21: ...or see 2 2 2 Repair procedures on page 22 To perform an insulation check of the compressor Prerequisite First perform an electrical check of the compressor see 2 2 1 Checking procedures on page 20 Pre...

Страница 22: ...rcuit see 3 2 2 Repair procedures on page 46 1 If needed remove any parts to create more space for the removal of the compressor 2 Remove the cover of the compressor wire terminals a a Compressor wire...

Страница 23: ...roubleshooting of the specific error and continue with the next procedure 2 3 Expansion valve 2 3 1 Checking procedures INFORMATION It is recommended to perform the checks in the listed order To perfo...

Страница 24: ...troubleshooting of the specific error and continue with the next procedure 2 3 2 Repair procedures To remove the expansion valve motor Prerequisite Turn OFF the unit via the user interface Prerequisit...

Страница 25: ...r the refrigerant pipes to the expansion valve body CAUTION Overheating the valve will damage or destroy it a b c a Putty b Expansion valve pipe c Expansion valve body a b a Expansion valve pipe b Exp...

Страница 26: ...age 23 of the expansion valve and continue with the next procedure 2 4 High pressure switch 2 4 1 Checking procedures To perform an electrical check of the high pressure switch Prerequisite Turn OFF t...

Страница 27: ...essure switch pipe CAUTION Overheating the pressure switch will damage or destroy it 3 Connect the connector to the high pressure switch 4 Add refrigerant to the refrigerant circuit see 3 2 2 Repair p...

Страница 28: ...plate work see 2 10 Plate work on page 35 1 Pull the clip and remove the heat exchanger thermistor from its holder 2 Remove the screws to disconnect the grounding wires from the heat exchanger a a b...

Страница 29: ...indoor unit PCB and continue with the next procedure No Adjust the power of the indoor unit PCB see 2 6 2 Repair procedures on page 30 To perform an electrical check of the indoor unit PCB Procedure n...

Страница 30: ...the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 2 10 Plate work on page 35 1 Disconnect all connectors from the indoor unit PCB...

Страница 31: ...page 29 of the indoor unit PCB and continue with the next procedure 2 7 Inverter PCB 2 7 1 Checking procedures As the inverter PCB is integrated in the main PCB of the unit see 2 8 Main PCB on page 3...

Страница 32: ...nverter PCB is integrated in the main PCB of the unit see 2 8 Main PCB on page 32 for the repair procedures 2 8 Main PCB 2 8 1 Checking procedures INFORMATION It is recommended to perform the checks i...

Страница 33: ...fuse see 2 8 2 Repair procedures on page 33 No Return to 2 8 1 Checking procedures on page 32 of the main PCB and continue with the next procedure Problem solved After all checking procedures listed a...

Страница 34: ...respective circuit breaker Prerequisite Remove the required plate work see 2 10 Plate work on page 35 1 Check the state of the propeller fan blade assembly for damage deformations and cracks Is the pr...

Страница 35: ...s to detach the DC fan motor harness 7 Remove the 4 screws that fix the DC fan motor assembly 8 Remove the DC fan motor assembly from the unit 9 To install the DC fan motor assembly see 2 9 2 Repair p...

Страница 36: ...e the top plate see 2 10 Plate work on page 35 1 Loosen and remove the screws that fix the front plate a a a a a a a Screw b Front plate 2 Remove the front plate To remove the compressor sound insulat...

Страница 37: ...e assembly 4 Remove the screws that fix the wire clamp 5 Remove the wire clamp 6 Remove the screws that fix the right side plate assembly 7 Cut the cable tie a b a Cable tie b Switch box 8 Lift and re...

Страница 38: ...llation of the connectors see 5 2 Wiring diagram on page 50 WARNING When reconnecting a connector to the PCB do NOT apply force as this may damage the connector or connector pins of the PCB 6 Fix the...

Страница 39: ...lter 2 Remove 2 screws class 20 35 or 3 screws class 50 71 from the front grille 3 Push down the 3 upper hooks marked with a symbol with 3 circles a b a a Upper hook b Symbol with 3 circles 4 We recom...

Страница 40: ...troubleshooting of the specific error and continue with the next step No Replace the reactor see 2 11 2 Repair procedures on page 40 2 11 2 Repair procedures To remove the reactor Prerequisite Turn OF...

Страница 41: ...lace the swing flap motor see 2 12 2 Repair procedures on page 41 2 12 2 Repair procedures To remove the swing flap motor Prerequisite Turn OFF the unit via the user interface Prerequisite Turn OFF th...

Страница 42: ...6 53 175 97 166 07 156 80 148 10 139 94 132 28 125 09 118 34 11 12 13 14 15 16 17 18 19 38 08 36 30 34 62 33 02 31 50 30 06 28 70 27 41 26 18 41 42 43 44 45 46 47 48 49 10 21 9 81 9 42 9 06 8 71 8 37...

Страница 43: ...ire c b a a f d e a Tie strap b Insulation c Thermistor wire d Clip e Thermistor f Thermistor holder 3 Cut and remove the insulation 4 Pull the clip that fixes the thermistor 5 Remove the thermistor f...

Страница 44: ...r PCB to the indoor unit PCB Is the problem solved Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next procedure 3 Third party comp...

Страница 45: ...continue with the next procedure To check if the refrigerant circuit is correctly charged 1 Recuperate all refrigerant from the unit see 3 2 2 Repair procedures on page 46 2 Weigh the recuperated refr...

Страница 46: ...the next procedure To replace the clogged leaking part of the refrigerant circuit 1 See the correct procedure for the component that needs to be repaired See also Repair information on page 47 for mor...

Страница 47: ...eration see installer reference guide for the correct procedure 4 After 5 10 minutes after only 1 2 minutes in case temperature 10 C close the liquid stop valve using a hexagonal wrench 5 Check the ma...

Страница 48: ...ng the cleaning process Is the problem solved Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next procedure 4 3 To clean the air fi...

Страница 49: ...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 ref...

Страница 50: ...odule LED 1 LED 2 Light emitting diode M1F Fan motor M1S Swing flap motor MR Magnetic relay PCB1 PCB2 PCB3 Printed circuit board R1T Room thermistor R2T Suction pipe thermistor S6 S602 Connector S1W O...

Страница 51: ...nector V2 V3 Varistor X1M Terminal strip Y1S Reversing solenoid valve coil PTC1 Thermistor Y1E Electronic expansion valve Z C Noise filter ferrite core Z F Noise filter Class 50 71 1 Wiring diagram En...

Страница 52: ...uT 9 5CuT 6 4CuT a b c d R2T M1F a Field piping liquid 6 4 mm flare connection b Field piping gas 9 5 mm flare connection c Crossflow fan d Heat exchanger M1F Fan motor R2T Thermistor heat exchanger H...

Страница 53: ...a Field piping liquid 6 4 mm flare connection b Field piping gas 12 7 mm flare connection c Crossflow fan d Heat exchanger e Distributor M1F Fan motor R2T Thermistor heat exchanger Heating Cooling IN...

Страница 54: ...4 mm flare connection b Field piping gas 9 5 mm flare connection c Stop valve liquid d Stop valve with service port gas e Muffler with filter f Heat exchanger g Accumulator h Muffler M1C Compressor M1...

Страница 55: ...onnection b Field piping gas 12 7 mm flare connection c Stop valve liquid d Stop valve gas e Muffler f Liquid receiver g Filter h Muffler with filter i Heat exchanger j Compressor Accumulator Compress...

Страница 56: ...piping liquid 6 4 mm flare connection b Field piping gas 12 7 mm flare connection c Stop valve liquid d Stop valve gas e Muffler f Liquid receiver g Filter h Muffler with filter i Heat exchanger j Acc...

Страница 57: ...B RXP20 71L2V1B Split Comfora R32 ESIE18 01 2019 02 5 4 Component overview 5 4 1 Component overview Indoor unit a b c d e f h g a Heat exchanger b Heat exchanger thermistor R2T c Fan motor d Swing fla...

Страница 58: ...j h k l n m o p q a b c d e f g h m m a Air thermistor R1T b Heat exchanger c Expansion valve d Heat exchanger thermistor R2T e Liquid receiver f Liquid service ports g Gas service port h 4 way valve...

Страница 59: ...5 Technical data Service manual 59 ATXP20 35L2V1B FTXP20 71L2V1B ARXP20 35L2V1B RXP20 71L2V1B Split Comfora R32 ESIE18 01 2019 02 5 5 Field information report See next page...

Страница 60: ...tion is required Please fill out the following form before contacting your distributor FIELD INFORMATION REPORT Key person information Name Company name Your contact details Phone number E mail addres...

Страница 61: ...CB A1P Software version hydro PCB A5P Software version user interface Software version outdoor PCB Minimum water volume Maximum water volume Brine composition and mixture Brine freeze up temperature S...

Страница 62: ...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...

Страница 63: ...t Comfora R32 ESIE18 01 2019 02 5 7 Field settings 5 7 1 Field settings Indoor unit To control the indoor unit fan during thermostat off 1 Press and simultaneously 2 Press 3 Select SU 4 Press to confi...

Страница 64: ...umper J6 on the circuit board using nippers or a similar tool to expand the operation range of the outdoor unit down to 15 C INFORMATION The outdoor unit will stop operating when the temperature drops...

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