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Components

Service manual

ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01D – 2022.02

3.9 Outdoor unit fan motor

3.9.1 Class 20~35 units

Checking procedures

INFORMATION

It is recommended to perform the checks in the listed order.

To perform a mechanical check of the propeller fan blade assembly

Prerequisite:

Stop the unit operation via the user interface.

Prerequisite:

Turn OFF the respective circuit breaker.

Prerequisite:

Remove the required plate work, see

"3.10 Plate work"

[

100].

If propeller fan blade touches the bell mounth, check if the fan motor is
correctly mounted on its base, see

"Repair procedures"

[

93].

Check the state of the propeller fan blade assembly for damage, deformations
and cracks.

Is the propeller fan blade assembly
damaged?

Action

Yes

Replace the propeller fan blade
assembly, see

Perform a mechanical check of the DC
fan motor assembly, see

To perform a mechanical check of the DC fan motor assembly

Prerequisite:

First perform a mechanical check of the propeller fan blade

assembly, see

"Checking procedures"

[

91].

Visually check:

▪

For any burnt‑out part or wire. If found, replace the fan motor, see

"Repair

procedures"

[

93].

▪

That fan motor fixation bolts are correctly installed and fixed. Correct as
needed.

Manually rotate the fan motor shaft. Check that it rotates smoothly.

Check the friction of the DC fan motor shaft bearing.

Is the DC fan motor shaft friction
normal?

Action

Yes

Perform an electrical check of the DC
fan motor assembly, see

Replace the DC fan motor assembly, see

"Repair procedures"

[

93].

To perform an electrical check of the DC fan motor assembly

First perform a mechanical check of the DC fan motor assembly, see

Содержание Comfora XP Series

Страница 1: ...Service manual Split Comfora R32 FTXP20 71L FTXP20 35M 9 FTXP50 71M ATXP20 35L ATXP20 35M RXP20 71L RXP20 71M ARXP20 35L ARXP20 35M...

Страница 2: ...ion 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 presen...

Страница 3: ...hnical data Wiring diagram Wiring diagrams for new models added Technical data Piping diagram Piping diagrams for new models added Technical data Component overview Component overviews for new models...

Страница 4: ...17 H3 00 Outdoor unit Malfunction of high pressure switch 27 2 5 18 H6 00 Outdoor unit Malfunction of position detection sensor 28 2 5 19 H8 00 Outdoor unit Malfunction of compressor input system 29 2...

Страница 5: ...8 3 14 2 Other thermistors 125 4 Third party components 128 4 1 Electrical circuit 128 4 1 1 Checking procedures 128 4 1 2 Repair procedures 129 4 2 Refrigerant circuit 130 4 2 1 Checking procedures 1...

Страница 6: ...r shutting down the system in case of an emergency Name and address of fire department police and hospital Name address and day and night telephone numbers for obtaining service In Europe EN378 provid...

Страница 7: ...t the terminals of main circuit capacitors or electrical components before servicing The voltage MUST be less than 50 V DC before you can touch electrical components For the location of the terminals...

Страница 8: ...uids like water oil or other substances Protect bystanders from injury and property from possible damage cause by service works WARNING If any work is to be conducted on the refrigerating equipment or...

Страница 9: ...ARNING Take sufficient precautions in case of refrigerant leakage If refrigerant gas leaks ventilate the area immediately Possible risks Excessive refrigerant concentrations in a closed room can lead...

Страница 10: ...unit to a utility pipe surge absorber or telephone earth Incomplete earthing may cause electrical shock WARNING ONLY use copper wires Make sure the field wiring complies with the applicable legislati...

Страница 11: ...in case analysis is required prior to re use of recovered refrigerant It is essential that electrical power is available before the task is commenced Become familiar with the equipment and its operat...

Страница 12: ...maintained and that any associated electrical components are sealed to prevent ignition in the event of a refrigerant release Consult manufacturer if in doubt Do NOT overfill the refrigerant cylinder...

Страница 13: ...TION Do NOT place any objects or equipment on top of the unit Do NOT sit climb or stand on the unit 1 5 Notices NOTICE Make sure water quality complies with EU directive 2020 2184 Check the system for...

Страница 14: ...reset the error code via outdoor unit Prerequisite Problem is solved 1 Perform a power reset to reset the error code 2 4 To perform a test run Prerequisite Power supply MUST be in the specified range...

Страница 15: ...r Effect Reset The system CANNOT set the internal settings Unit will stop operating Power reset via outdoor unit To solve the error code INFORMATION It is recommended to perform the checks in the list...

Страница 16: ...RMATION It is recommended to perform the checks in the listed order 1 Check for objects near the indoor unit that may block the airflow See 4 3 External factors 4137 Possible cause Airflow of the indo...

Страница 17: ...sible cause Faulty indoor unit fan motor INFORMATION If all procedures listed above have been performed and the problem is still present contact the helpdesk 2 5 4 C4 00 Heat exchanger temperature sen...

Страница 18: ...If all procedures listed above have been performed and the problem is still present contact the helpdesk 2 5 6 E1 00 Outdoor unit PCB defect Trigger Effect Reset Main PCB detects that EEPROM is abnorm...

Страница 19: ...ed above have been performed and the problem is still present contact the helpdesk 2 5 7 E3 00 Outdoor unit Actuation of high pressure switch Trigger Effect Reset High pressure switch opens due to mea...

Страница 20: ...it runs without warning for 60 seconds To solve the error code INFORMATION It is recommended to perform the checks in the listed order 1 Check that all stop valves of the refrigerant circuit are open...

Страница 21: ...erform the checks in the listed order 1 Perform a check of the discharge pipe thermistor See 3 14 Thermistors 4118 Possible cause Faulty discharge pipe thermistor or connector fault 2 Check that all s...

Страница 22: ...ORMATION It is recommended to perform the checks in the listed order 1 Perform a check of the outdoor unit fan motor See 3 9 Outdoor unit fan motor 491 Possible cause Faulty outdoor unit fan motor 2 P...

Страница 23: ...l NOT stop operating Automatic reset after a continuous operation for some time If the error occurs too soon unit will stop operating Manual reset via user interface To solve the error code INFORMATIO...

Страница 24: ...NFORMATION It is recommended to perform the checks in the listed order 1 Check that all stop valves of the refrigerant circuit are open See 4 2 Refrigerant circuit 4130 Possible cause Closed stop valv...

Страница 25: ...rform a check of the heat exchanger thermistor See 3 14 Thermistors 4118 Possible cause Faulty heat exchanger thermistor 4 Perform a check of the expansion valve See 3 3 Expansion valve 463 Possible c...

Страница 26: ...the refrigerant circuit See 4 2 Refrigerant circuit 4130 Possible cause Non condensables and or humidity in the refrigerant circuit 4 Check if the refrigerant circuit is clogged See 4 2 Refrigerant c...

Страница 27: ...d Possible cause Thermal interface grease NOT applied properly on the heat sink INFORMATION If all procedures listed above have been performed and the problem is still present contact the helpdesk 2 5...

Страница 28: ...heck of the main PCB See 3 8 Main PCB 485 Possible cause Faulty main PCB 3 Check that all stop valves of the refrigerant circuit are open See 4 2 Refrigerant circuit 4130 Possible cause Closed stop va...

Страница 29: ...2 Compressor 452 Possible cause Faulty compressor or miswiring of the compressor power supply cable 3 Perform a check of the reactor See 3 11 Reactor 4111 Possible cause Faulty reactor INFORMATION If...

Страница 30: ...e been performed and the problem is still present contact the helpdesk 2 5 22 J6 00 Outdoor unit Malfunction of heat exchanger thermistor Trigger Effect Reset Outdoor heat exchanger thermistor input i...

Страница 31: ...sible cause Dirty outdoor heat exchanger INFORMATION If all procedures listed above have been performed and the problem is still present contact the helpdesk 2 5 24 L4 00 Outdoor unit Malfunction of i...

Страница 32: ...that flows in the inverter DC section Unit will stop operating Manual reset via user interface To solve the error code INFORMATION It is recommended to perform the checks in the listed order 1 Check...

Страница 33: ...face of the heat sink Adjust if needed Possible cause Thermal interface grease NOT applied properly on the heat sink INFORMATION If all procedures listed above have been performed and the problem is s...

Страница 34: ...t 4130 Possible cause Non condensables and or humidity in the refrigerant circuit 6 Perform a check of the compressor See 3 2 Compressor 452 Possible cause Faulty compressor or miswiring of the compre...

Страница 35: ...Indoor unit main PCB 478 Possible cause Faulty indoor unit main PCB INFORMATION If all procedures listed above have been performed and the problem is still present contact the helpdesk 2 5 29 U4 00 I...

Страница 36: ...le cause Thermal interface grease NOT applied properly on the heat sink INFORMATION If all procedures listed above have been performed and the problem is still present contact the helpdesk 2 5 30 UA 0...

Страница 37: ...ing Service manual 37 ATXP20 35 FTXP20 71 ARXP20 35 RXP20 71 Split Comfora R32 ESIE18 01D 2022 02 INFORMATION If all procedures listed above have been performed and the problem is still present contac...

Страница 38: ...annot be used when the outdoor temperature is below 10 C DB When the operation lamp blinks there may be an error code activating the protection device Diagnose with remote controller indication See 2...

Страница 39: ...s defective is there a refrigerant leakage Is there capacity loss over the condensor saturation pressure or sound because of air mixed in to the circuit Incorrect size of connection wiring When the op...

Страница 40: ...f the mounting wall is too thin you must use cushion material or rubber or change the installation place Refrigerant piping is too short is the length within specified range Due to bad installation or...

Страница 41: ...efrigerant system Conduct refrigerant collection and vacuum drying and then add proper amount refrigerant Is the refrigerant overcharged Conduct refrigerant collection and vacuum drying and then add p...

Страница 42: ...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 Is the check...

Страница 43: ...the electric system Check the thermistor Connection with PCB Output Check PCB s HAP LED s if applicable if green led on the control PCB is not blinking then the microprocessor is not working if the g...

Страница 44: ...em Check the fan motor Check the magnetic switch Check the overcurrent relay Check the four way valve coil Is there a short circuit Is the four way valve coil broken Check the outdoor PCB Is there a s...

Страница 45: ...conditions Dirty heat exchanger Air filter Dirty air filter Fan motor Defective fan motor 2 6 11 Swing flap does not operate Symptom Check Detail Swing flap does not operate Check swing flap motor Som...

Страница 46: ...it for it to cool down 2 Verify that the screw is firmly fixing the coil to the valve body 3 Check if any damage or burst is present Is the 4 way valve coil firmly fixed and not visually damaged Actio...

Страница 47: ...sition check of the 4 way valve see 3 1 1 Checking procedures 446 No Perform a check the main PCB see 3 8 Main PCB 485 When outdoor temperature does not allow the unit to run in cooling or heating mod...

Страница 48: ...th the flow shown in the flow diagram See 6 3 Piping diagram 4152 Is the flow correct Action Yes Skip the next step of this procedure No Perform the next step of this procedure 3 Connect a manifold to...

Страница 49: ...ee 6 3 Piping diagram 4152 Is the flow correct Action Yes 4 way valve is OK Return to the troubleshooting of the specific error and continue with the next procedure No Perform the next step of this pr...

Страница 50: ...Repair procedures 4134 1 Remove the 4 way valve coil from the 4 way valve body see 3 1 2 Repair procedures 449 2 Remove and keep the putty if installed and the insulation if installed for re use 3 Sup...

Страница 51: ...ve body in the correct location and correctly oriented Insert the pipe ends in the pipe expansions 4 Supply nitrogen to the refrigerant circuit The nitrogen pressure MUST NOT exceed 0 02 MPa 5 Wrap a...

Страница 52: ...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 2 Compressor 3 2 1 Checking procedures INFORM...

Страница 53: ...ir procedures 458 No Perform an mechanical check of the compressor see 3 2 1 Checking procedures 452 To perform a mechanical check of the compressor Prerequisite First perform an auditive check of the...

Страница 54: ...see 3 2 1 Checking procedures 452 No Replace the compressor and or damaged dampers see 3 2 2 Repair procedures 458 To perform an electrical check of the compressor 1 First perform a mechanical check o...

Страница 55: ...inals to allow correct connection during installation V U W U Wire terminal U V Wire terminal V W Wire terminal W CAUTION Before measuring the compressor motor windings resistance measure the resistan...

Страница 56: ...mpressor wire terminals cover 8 Install the compressor insulation 9 Turn ON the power using the respective circuit breaker 10 Start the unit operation via the user interface CAUTION NEVER operate the...

Страница 57: ...g procedures 452 Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker 1 Wait until the rectifier voltage is below 10 V DC DANGER RISK OF ELE...

Страница 58: ...e compressor see 3 2 2 Repair procedures 458 3 2 2 Repair procedures To remove the compressor Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit b...

Страница 59: ...on connectors on the compressor wire terminals to allow correct connection during installation V U W U Wire terminal U V Wire terminal V W Wire terminal W 4 Supply nitrogen to the refrigerant circuit...

Страница 60: ...rant pipes by heating the brazing point s of the component pipe s using an oxygen acetylene torch 7 Remove the nuts and bolts and remove the compressor from the unit a a b c c c a a Nut b Compressor c...

Страница 61: ...pic Therefore remove the caps from the compressor pipes as late as possible 5 Install the compressor on the correct location on the dampers Properly insert the refrigerant pipes in the pipe expansions...

Страница 62: ...r pipes and the oil inside the compressor pipes will damage or destroy the compressor 9 After soldering is done stop the nitrogen supply after the component has cooled down 10 Connect the Faston conne...

Страница 63: ...of the expansion valve Prerequisite Power OFF the unit for 3 minutes Then turn ON the unit and listen to the expansion valve assembly If the expansion valve does NOT make a latching sound continue wi...

Страница 64: ...an electrical check of the expansion valve see 3 3 1 Checking procedures 463 No Replace the expansion valve body see 3 3 2 Repair procedures 467 To perform an electrical check of the expansion valve...

Страница 65: ...orrect location and do NOT apply force as this may damage the connector or connector pins of the PCB Is the measured resistance correct Action Yes Perform an operation check of the expansion valve see...

Страница 66: ...closing sequence each expansion valve winding 1 2 3 4 is supplied with 12 V DC from the PCB You will need a good multimeter where its range is set to about 20 V DC and during opening or closing sequen...

Страница 67: ...he respective circuit breaker Prerequisite Remove the required plate work see 3 10 Plate work 4100 1 If needed remove any parts or insulation to create more space for the removal 2 Remove the cap if a...

Страница 68: ...2 Repair procedures 467 To remove the expansion valve body Prerequisite Recuperate the refrigerant from the refrigerant circuit see 4 2 2 Repair procedures 4134 Prerequisite If needed remove any part...

Страница 69: ...ugs or caps on the open pipe ends of the refrigerant piping to avoid dirt or impurities from entering the piping 9 To install the expansion valve body see 3 3 2 Repair procedures 467 To install the ex...

Страница 70: ...l see 3 3 2 Repair procedures 467 10 Perform a pressure test see 4 2 1 Checking procedures 4130 11 Add refrigerant to the refrigerant circuit see 4 2 2 Repair procedures 4134 About the installation of...

Страница 71: ...r pins of the PCB 4 Fix the expansion valve coil harness using new tie straps 5 Install the insulation cap on the expansion valve coil if applicable Is the problem solved Action Yes No further actions...

Страница 72: ...ing new tie straps 5 Install the insulation cap on the expansion valve coil if applicable Is the problem solved Action Yes No further actions required No Return to 3 3 1 Checking procedures 463 of the...

Страница 73: ...easure the resistance between the Faston connections of the high pressure switch Result The switch MUST be open INFORMATION If the high pressure switch was triggered open it will stay open until the r...

Страница 74: ...h pressure switch Heat the brazing point of the high pressure switch pipe using an oxygen acetylene torch and remove the high pressure switch pipe from the refrigerant pipe using pliers a c b b a High...

Страница 75: ...or destroy it 5 After soldering is done stop the nitrogen supply after the component has cooled down 6 Connect the Faston connectors to the high pressure switch 7 Perform a pressure test see 4 2 1 Ch...

Страница 76: ...t perform a mechanical check of the DC fan motor assembly see 3 5 1 Checking procedures 475 1 Remove the cover from the switch box see 3 10 Plate work 4100 2 Disconnect the DC fan motor connector from...

Страница 77: ...r from the indoor unit 5 To install the indoor unit fan motor see 3 5 2 Repair procedures 476 To install the DC fan motor assembly 1 Install the indoor unit fan motor in its correct location on the fa...

Страница 78: ...2 Measure the voltage between the black and white wires on the PCB The measured voltage MUST be 230 V AC a b a Black wire b White wire Is the measured voltage on the indoor unit PCB correct Action Yes...

Страница 79: ...air procedures 480 To check the wiring of the indoor unit main PCB Prerequisite First perform all earlier checks of the indoor unit main PCB see 3 6 1 Checking procedures 478 Prerequisite Stop the uni...

Страница 80: ...fic error and continue with the next procedure 3 6 2 Repair procedures To correct the wiring from the indoor unit power supply terminal to the indoor unit main PCB Prerequisite Stop the unit operation...

Страница 81: ...ain PCB from the indoor unit 4 To install the indoor unit main PCB see 3 6 2 Repair procedures 480 To install the indoor unit main PCB 1 Install the indoor unit main PCB in the correct location on the...

Страница 82: ...Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 10 Plate work 4100 1 Remove the fuse from the PCB...

Страница 83: ...n OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 10 Plate work 4100 1 Open the compressor insulation DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes aft...

Страница 84: ...the Inverter Analyzer are off 9 Disconnect the Inverter Analyzer from the Faston connectors 10 Connect the Faston connectors to the wire terminals U V and W of the compressor INFORMATION Use the notes...

Страница 85: ...t 2 Measure the voltage between the black and white wires Result The measured voltage MUST be 230 V AC a b a Black wire b White wire Is the measured voltage on the PCB correct Action Yes Return to 3 8...

Страница 86: ...n PCB see 3 8 2 Repair procedures 488 To check if the correct spare part is installed Prerequisite First perform all earlier main PCB checks see 3 8 1 Checking procedures 485 1 Visit your local spare...

Страница 87: ...that the wiring corresponds with the wiring diagram see 6 2 Wiring diagram 4144 INFORMATION Correct the wiring as needed Is the problem solved Action Yes No further actions required No Return to 3 8...

Страница 88: ...e Remove the required plate work see 3 10 Plate work 4100 1 Disconnect all connectors from the main PCB 2 Disconnect the power supply wires from the main power supply terminal X1M d d e e d a a b c a...

Страница 89: ...x using the screw 5 Route the reactor wires towards the reactor and connect the Faston connectors to the reactor 6 Connect the power supply wiring to the main power supply terminal X1M 7 Connect the r...

Страница 90: ...8 2 Repair procedures 488 To install a fuse on the main PCB WARNING For continued protection against risk of fire replace only with same type and rating of fuse 1 Install the fuse on the correct loca...

Страница 91: ...the propeller fan blade assembly see Repair procedures 493 No Perform a mechanical check of the DC fan motor assembly see Checking procedures 491 To perform a mechanical check of the DC fan motor ass...

Страница 92: ...a the user interface 6 Turn OFF the respective circuit breaker DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes after the circuit breaker has been turned OFF to be sure the rectifier voltage...

Страница 93: ...urn and measure the voltage on the DC fan motor connector pins 10 12 Result 4 pulses MUST be measured 13 Repeat the previous step and measure the voltage on the DC fan motor connector pins 10 13 Resul...

Страница 94: ...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 Repair procedur...

Страница 95: ...ng procedures INFORMATION It is recommended to perform the checks in the listed order To perform a mechanical check of the propeller fan blade assembly Prerequisite Stop the unit operation via the use...

Страница 96: ...of the DC fan motor assembly see Checking procedures 495 No Replace the DC fan motor assembly see Repair procedures 498 To perform an electrical check of the DC fan motor assembly 1 First perform a m...

Страница 97: ...r see Repair procedures 498 9 Turn ON the power of the unit 10 With the DC fan motor connector S71 disconnected from the inverter PCB measure the voltage on the connector pins 4 7 fan motor power supp...

Страница 98: ...dures 485 No Replace the DC fan motor see Repair procedures 498 Problem solved After all checking procedures listed above have been performed Is the problem solved Action Yes No further actions requir...

Страница 99: ...ove 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 Repair procedures 498 To install the DC fan motor assemb...

Страница 100: ...an blade assembly Is the problem solved Action Yes No further actions required No Return to Checking procedures 495 of the outdoor unit fan motor and continue with the next procedure 3 10 Plate work 3...

Страница 101: ...it breaker DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes after the circuit breaker has been turned OFF to be sure the rectifier voltage is below 10 V DC before proceeding 2 Loosen and remo...

Страница 102: ...uisite Remove the front plate see 3 10 Plate work 4100 1 Untwist the cord and remove the compressor sound insulation a a Compressor sound insulation To remove the switch box INFORMATION This procedure...

Страница 103: ...b a Insulation b Main PCB 2 Disconnect all connectors from the main PCB 3 Disconnect the electrical power supply wiring from the wire terminals f a d c b e a Electrical power supply wiring b Wire ter...

Страница 104: ...a Cable tie b Switch box 8 Lift and remove the switch box from the outdoor unit 9 To install the switch box see 3 10 Plate work 4100 To install the switch box INFORMATION This procedure is just an ex...

Страница 105: ...e wire terminals 4 Install the wire clamp and fix it using the screws 5 Connect all connectors to the main PCB INFORMATION Use the wiring diagram and connection diagram for correct installation of the...

Страница 106: ...71 Split Comfora R32 ESIE18 01D 2022 02 a b a Cable tie b Switch box 7 Install the insulation on the upper side of the switch box a b a Insulation b Main PCB 3 10 2 Indoor unit To open the front panel...

Страница 107: ...to be sure the rectifier voltage is below 10 V DC before proceeding 1 Open the front panel see 3 10 Plate work 4100 2 Remove the front panel by sliding it to the left or the right and pulling it towar...

Страница 108: ...3 circles 5 We recommend opening the flap before removing the front grille 6 Place both hands under the centre of the front grille push it up and then toward you 1 2 To remove the electrical wiring b...

Страница 109: ...2 a Tab b Protruding part on the top of the cover c Screw To remove the switch box Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prer...

Страница 110: ...unit fan motor swing flap motor and swing raster motor if equipped inside the switch box and connect them to the indoor unit PCB 3 Install and tighten the screw to secure the switch box 4 Install the...

Страница 111: ...e rectifier voltage is below 10 V DC before proceeding 3 Remove the cover of the compressor wire terminals a a Compressor wire terminals cover 4 Visually check the reactor for any damage or burnt out...

Страница 112: ...e the required plate work see 3 10 Plate work 4100 2 Open the compressor insulation DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes after the circuit breaker has been turned OFF to be sure t...

Страница 113: ...12 1 Checking procedures To perform an electrical check of the swing flap motor Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prereq...

Страница 114: ...lap motor Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 10 Plate work 4100 1 Remove...

Страница 115: ...rror and continue with the next procedure 3 13 Swing raster motor 3 13 1 Checking procedures To perform an electrical check of the swing raster motor Prerequisite Stop the unit operation via the user...

Страница 116: ...r procedures 4116 3 13 2 Repair procedures To remove the swing raster motor Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisit...

Страница 117: ...ing raster motor and remove the motor Keep the rod and bracket for reuse 8 To install the swing raster motor see 3 13 2 Repair procedures 4116 To install the swing raster motor 1 Install the swing ras...

Страница 118: ...m solved Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next procedure 3 14 Thermistors 3 14 1 Refrigerant side thermistors Checkin...

Страница 119: ...8 2 Locate the thermistor INFORMATION Remove the thermistor from its holder if not reachable with a contact thermometer 3 Measure the temperature using a contact thermometer Name Symbol Location PCB C...

Страница 120: ...81 08 76 93 73 01 69 32 21 22 23 24 25 26 27 28 29 23 91 22 85 21 85 20 90 20 00 19 14 18 32 17 54 16 80 51 52 53 54 55 56 57 58 59 6 91 6 65 6 41 6 65 6 41 6 18 5 95 5 74 5 14 0 65 84 30 16 10 60 4...

Страница 121: ...ue matches the resistance determined through the measured temperature but the temperature for the corresponding thermistor is NOT correct on the user interface display replace the applicable PCB INFOR...

Страница 122: ...e user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 10 Plate work 4100 1 Disconnect the connector from the display PCB 2 Press the l...

Страница 123: ...MATION Some of the thermistors are wired to the same connector See connector and pin information of the thermistors at the start of the electrical check procedure and 6 2 Wiring diagram 4144 ALWAYS re...

Страница 124: ...the unit 2 Connect the connector to the display PCB Other refrigerant side thermistors 1 Install the thermistor in the thermistor holder as follows For outdoor unit air ambient thermistor Correctly in...

Страница 125: ...re to connect it on the correct location and do NOT apply force as this may damage the connector or connector pins of the PCB 5 Fix the thermistor harness using new tie straps 6 Install the insulation...

Страница 126: ...6 57 58 59 6 91 6 65 6 41 6 65 6 41 6 18 5 95 5 74 5 14 0 65 84 30 16 10 60 4 87 1 2 3 4 5 6 7 8 9 62 54 59 43 56 49 53 71 51 09 48 61 46 26 44 05 41 95 31 32 33 34 35 36 37 38 39 15 43 14 79 14 18 13...

Страница 127: ...TION All thermistors have a resistance tolerance of 3 Does the measured resistance of the thermistor match with the temperature determined resistance Action Yes Thermistor is OK Return to the troubles...

Страница 128: ...ltage MUST be 230 V AC 10 5 Unbalance between the phases MUST NOT exceed 2 Is the measured voltage power supply correct Action Yes Return to the troubleshooting of the specific error and continue with...

Страница 129: ...Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next procedure 4 1 2 Repair procedures To adjust the power supply 1 Make sure that...

Страница 130: ...cific error and continue with the next procedure 4 2 Refrigerant circuit 4 2 1 Checking procedures INFORMATION It is recommended to perform the checks in the listed order To check if the stop valves a...

Страница 131: ...ontact thermometer measure the temperature before and after every restricting device If a big temperature difference is measured 2 5 4K an internal pipe obstruction may be present at this location INF...

Страница 132: ...es with lowering compressor output Operating frequency Low pressure High pressure Heating Proper amount Higher degree of overcharge Degree of overcharge To maintain high pressure frequency decreases u...

Страница 133: ...perating frequency comes to the lowest level Heating Frequency Low pressure High pressure Proper amount Higher degree of shortage Degree of refrigerant shortage To maintain low pressure frequency init...

Страница 134: ...procedures 4134 No Return to the troubleshooting of the specific error and continue with the next procedure To perform a pressure test of the refrigerant circuit 1 Perform a pressure test in line wit...

Страница 135: ...on 4136 for more details 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 To recuperate the refr...

Страница 136: ...to the refrigerant and unit type R32 can be charged in gas phase Make sure to use a digital scale no charging cylinder Execute correct vacuum drying procedure after repair 0 1 MPa 760 mm Hg 750 Torr...

Страница 137: ...epair Pipe expansion flare making Remove any burrs on the cut surface using the correct tool such as reamer or scraper note that excessive deburring can thin the pipe walls and cause cracking of the p...

Страница 138: ...error and continue with the next procedure No Wait for the outdoor temperature to return within the operating range To check for objects that may block the airflow 1 Check for the presence of object s...

Страница 139: ...oor unit heat exchanger from dust leaves using a fin comb or compressed air N2 CAUTION Avoid bending or damaging the hair fins of the outdoor unit heat exchanger during the cleaning process Do NOT use...

Страница 140: ...the cleaning process CAUTION Rinse out the cleaning agent until there is NO cleaning agent left Otherwise the corrosion of heat exchanger and drain pan may occur Pay attention to the cleaning agent t...

Страница 141: ...nt diluted in lukewarm water Dry the air filters in the shade Be sure to remove the titanium apatite deodorising filter It is recommended to clean the air filters every 2 weeks ATXP M FTXP M 6 Push th...

Страница 142: ...f easily wash the air filters with a neutral detergent diluted in lukewarm water Dry the air filters in the shade Be sure to remove the titanium apatite deodorising and silver particle filters It is r...

Страница 143: ...ailed information setting mode Indoor unit See the installer reference guide on business portal for more information 6 1 2 Detailed information setting mode Outdoor unit See the installer reference gu...

Страница 144: ...iring diagram Indoor Indoor Outdoor Outdoor Transmission circuit Transmission circuit Signal receiver Signal receiver Wireless remote control Wireless remote control Horizontal Horizontal Vertical Ver...

Страница 145: ...oard R1T Room thermistor R2T Suction pipe thermistor S6 S602 Connector S1W Operation switch V2 Varistor X1M Terminal strip Z C Ferrite core FTXP20 35M9 1 Wiring diagram English Translation Wiring diag...

Страница 146: ...Caution When the main power is turned off and then back on again operation will resume automatically 3 Legend A1P A4P Printed circuit board BZ Buzzer FG Frame ground FU1 Fuse H Harness IPM Intelligen...

Страница 147: ...l Wireless remote control Horizontal Horizontal Vertical Vertical 2 Notes English Translation Connection X1M Main terminal Field supply PCB Protective earth Field wire NOTES BLK Black RED Red BLU Blue...

Страница 148: ...5 RXP20 71 Split Comfora R32 ESIE18 01D 2022 02 R1T R2T Thermistor BS1 S1W Operation switch R2V V2 Varistor X1M Terminal strip Z C Ferrite core IPM Intelligent power module H P LED Pilot lamp V1R DB30...

Страница 149: ...diagram Wiring diagram Indoor Indoor Outdoor Outdoor Condenser Condenser Discharge Discharge 2 Notes English Translation Note Note Connection X1M Main terminal Field supply PCB Protective earth Field...

Страница 150: ...Thermistor Y1E Electronic expansion valve Z C Noise filter ferrite core Z F Noise filter RXP50 71L RXP50 71M 1 Wiring diagram English Translation Wiring diagram Wiring diagram Indoor Indoor Outdoor Ou...

Страница 151: ...ligent power module L Live M1C Compressor motor M1F Fan motor MR Magnetic relay N Neutral N 4 N 5 Number of passes PAM Pulse amplitude modulation PCB Printed circuit board PS Switching power supply Q1...

Страница 152: ...9 5CuT 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 exchang...

Страница 153: ...1F 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 Heating Cooling INFORMATION The...

Страница 154: ...ield 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 INFORM...

Страница 155: ...uid 6 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 Compres...

Страница 156: ...with service port gas e Muffler with filter f Heat exchanger g Accumulator h Muffler S1PH High pressure switch M1C Compressor M1F Fan R1T Thermistor outdoor air R2T Thermistor heat exchanger R3T Therm...

Страница 157: ...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 Accumulator M1C Comp...

Страница 158: ...d 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 A...

Страница 159: ...ith service port gas e Muffler with filter f Heat exchanger g Accumulator h Muffler S1PH High pressure switch M1C Compressor M1F Fan R1T Thermistor outdoor air R2T Thermistor heat exchanger R3T Thermi...

Страница 160: ...plit Comfora R32 ESIE18 01D 2022 02 6 4 Component overview 6 4 1 Component overview Indoor unit ATXP L FTXP L a b c d e f h g a Heat exchanger b Heat exchanger thermistor R2T c Fan motor d Swing flap...

Страница 161: ...RXP20 71 Split Comfora R32 ESIE18 01D 2022 02 ATXP M FTXP M a b c d e f h g i j a Heat exchanger b Heat exchanger thermistor R2T c Fan motor d Swing flap e Swing flap motor f Room thermistor R1T PCB g...

Страница 162: ...f g h m m a Air thermistor R1T j Service PCB b Heat exchanger k High pressure switch only for RXP50 71L RXP50 71M and ARXP20 35M c Expansion valve l Discharge pipe thermistor R3T d Heat exchanger the...

Страница 163: ...6 Technical data Service manual 163 ATXP20 35 FTXP20 71 ARXP20 35 RXP20 71 Split Comfora R32 ESIE18 01D 2022 02 6 5 Field information report See next page...

Страница 164: ...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 165: ...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 166: ...vice tools check the Daikin Business Portal authentication required 2 Go to the tab After sales support on the left navigation pane and select Technical support 3 Click the button Service tools An ove...

Страница 167: ...set temperature in heating operation INFORMATION When there is a big difference between the indoor room temperature and the set temperature in heating mode adjust the target set temperature field sett...

Страница 168: ...ng It is possible to switch OFF auto restart For example after a long power failure generators have to start up As there is limited energy and the air conditioners do NOT have priority it is recommend...

Страница 169: ...n 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 below 20...

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