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Daikin RXTA30B2V1B, Service Manual

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Components

Service manual

122

RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)

(B)+35M5V1B

R32 Optimized Heating 4 Split

ESIE21-12A – 2022.02

1

Disconnect the wiring harness from the intelligent eye sensor (PCB).

2

Disconnect the wiring harness connector from the indoor unit main PCB.

3

Cut all tie straps (if any) that fix the wiring harness.

4

Route the wiring harness out of the harness retainers and remove the
intelligent eye sensor wiring harness.

5

To install the intelligent eye sensor wiring harness, see

To install the intelligent eye sensor wiring harness

1

Connect the wiring harness connector to the indoor unit main PCB.

WARNING

When reconnecting a connector to the PCB, make sure to connect it on the correct
location and do NOT apply force, as this may damage the connector or connector
pins of the PCB.

2

Route the wiring harness through the appropriate harness retainers towards
the intelligent eye sensor (PCB).

3

Connect the wiring harness to the intelligent eye sensor (PCB).

4

Fix the wiring harness using new tie straps (if needed).

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.

4.13 Intelligent thermal sensor

4.13.1 Checking procedures

To perform a power check of the intelligent thermal sensor

Prerequisite:

Stop the unit operation via the user interface.

Prerequisite:

Turn OFF the respective circuit breaker.

1

Remove the required plate work, see

"4.17 Plate work"

2

Turn ON the power of the unit.

3

Carefully click the complete intelligent thermal sensor assembly out of the
indoor unit.

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Summary of Contents for RXTA30B2V1B

Page 1: ...Optimized Heating 4 Split RXTA30B2V1B RXTM30R2V1B RXTM40R2V1B RXTP25R2V1B RXTP35R2V1B ARXTP25R2V1B ARXTP35R2V1B FTXTA30B2V1BW FTXTA30B2V1BB FTXTM30R2V1B FTXTM40R2V1B FTXTP25M5V1B FTXTP35M5V1B ATXTP25...

Page 2: ...iled 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...

Page 3: ...5V1B R32 Optimized Heating 4 Split ESIE21 12A 2022 02 Version log Version code Description Date ESIE21 12 Document release August 2021 ESIE21 12A See below February 2022 The following updates have bee...

Page 4: ...ipe temperature 28 3 5 17 F6 00 Outdoor unit Abnormal high pressure in cooling 29 3 5 18 F8 00 System shutdown due to compressor internal temperature abnormality 29 3 5 19 H0 00 Outdoor unit Voltage c...

Page 5: ...cedures 97 4 10 2 Repair procedures 103 4 11 Indoor unit power PCB 109 4 11 1 Checking procedures 109 4 11 2 Repair procedures 113 4 12 Intelligent eye sensor 118 4 12 1 Checking procedures 118 4 12 2...

Page 6: ...the air filters 224 6 7 To clean the titanium apatite deodorising filter and the silver particle filter Ag ion filter 227 6 8 To replace the titanium apatite deodorising filter and the silver particl...

Page 7: ...ace at the product Instructions for 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 obtain...

Page 8: ...minutes and measure the voltage at 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...

Page 9: ...fe to work in Beware of spilled fluids 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...

Page 10: ...o the correct recovery cylinders WARNING Take sufficient precautions in case of refrigerant leakage If refrigerant gas leaks ventilate the area immediately Possible risks Excessive refrigerant concent...

Page 11: ...with refrigerant Do NOT earth the 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 comp...

Page 12: ...refrigerant sample MUST be taken 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...

Page 13: ...rking condition has been properly 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...

Page 14: ...or aluminium fins of the unit CAUTION 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 direct...

Page 15: ...pressure and hence the temperature of the refrigerant is increased The hot refrigerant is carried to the outdoor heat exchanger which will cool down the hot refrigerant by the fan The temperature of...

Page 16: ...the remote controller to reset the error 3 3 To reset the error code via outdoor unit Prerequisite Problem is solved 1 Perform a power reset to reset the error code 3 4 To perform a test run INFORMATI...

Page 17: ...run operation will stop automatically after about 30 minutes 6 To stop operation press INFORMATION Some of the functions CANNOT be used in the test run operation mode If a power failure occurs during...

Page 18: ...ty indoor unit main PCB INFORMATION If all procedures listed above have been performed and the problem is still present contact the helpdesk 3 5 2 A5 00 Outdoor unit High pressure peak cut freeze prot...

Page 19: ...e outdoor unit To solve the error code INFORMATION It is recommended to perform the checks in the listed order 1 Perform a check of the indoor unit main PCB See 4 10 Indoor unit main PCB 497 Possible...

Page 20: ...mistors 4195 Possible cause Faulty indoor unit heat exchanger thermistor 2 Perform a check of the indoor unit main PCB See 4 10 Indoor unit main PCB 497 Possible cause Faulty indoor unit main PCB INFO...

Page 21: ...1 Perform a check of the humidity sensor See 4 7 Humidity sensor 486 Possible cause Faulty humidity sensor INFORMATION If all procedures listed above have been performed and the problem is still pres...

Page 22: ...rt circuit 3 Perform a check of the outdoor unit fan motor See 4 15 Outdoor unit fan motor 4135 Possible cause Faulty outdoor unit fan motor 4 Perform a check of the compressor See 4 2 Compressor 457...

Page 23: ...losed stop valve in the refrigerant circuit 2 Perform a check of the high pressure switch See 4 6 High pressure switch 483 Possible cause Faulty high pressure switch 3 Perform a check of the main PCB...

Page 24: ...t fan motor 4135 Possible cause Faulty outdoor unit fan motor 4 Perform a check of the compressor See 4 2 Compressor 457 Possible cause Faulty compressor or miswiring of the compressor power supply ca...

Page 25: ...the refrigerant circuit 3 Check if the refrigerant circuit is clogged See 5 2 Refrigerant circuit 4211 Possible cause Clogged refrigerant circuit 4 Check if the refrigerant circuit is correctly charg...

Page 26: ...eck of the main PCB See 4 14 Main PCB 4126 Possible cause Faulty main PCB INFORMATION If all procedures listed above have been performed and the problem is still present contact the helpdesk 3 5 14 E8...

Page 27: ...form a check of the 4 way valve See 4 1 4 way valve 450 Possible cause Faulty 4 way valve 2 Perform a check of the main PCB See 4 14 Main PCB 4126 Possible cause Faulty main PCB 3 Perform a check of t...

Page 28: ...p valve in the refrigerant circuit 2 Check if the refrigerant circuit is correctly charged See 5 2 Refrigerant circuit 4211 Possible cause Refrigerant overcharge or shortage 3 Check for the presence o...

Page 29: ...of the expansion valve See 4 4 Expansion valve 472 Possible cause Faulty expansion valve 5 Perform a check of the main PCB See 4 14 Main PCB 4126 Possible cause Faulty main PCB 6 Check if the refriger...

Page 30: ...1 Possible cause Clogged refrigerant circuit 5 Perform a check of the discharge pipe thermistor See 4 22 Thermistors 4195 Possible cause Faulty discharge pipe thermistor or connector fault INFORMATION...

Page 31: ...em is still present contact the helpdesk 3 5 20 H3 00 Outdoor unit Malfunction of high pressure switch Trigger Effect Reset High pressure switch is activated when compressor is off Unit will stop oper...

Page 32: ...14 Main PCB 4126 Possible cause Faulty main PCB 3 Check that all stop valves of the refrigerant circuit are open See 5 2 Refrigerant circuit 4211 Possible cause Closed stop valve in the refrigerant c...

Page 33: ...26 Possible cause Faulty main PCB 2 Perform a check of the compressor See 4 2 Compressor 457 Possible cause Faulty compressor or miswiring of the compressor power supply cable INFORMATION If all proce...

Page 34: ...f all procedures listed above have been performed and the problem is still present contact the helpdesk 3 5 25 J6 00 Outdoor unit Malfunction of heat exchanger thermistor Trigger Effect Reset Outdoor...

Page 35: ...hanger See 6 Maintenance 4222 Possible cause Dirty outdoor heat exchanger INFORMATION If all procedures listed above have been performed and the problem is still present contact the helpdesk 3 5 27 L4...

Page 36: ...detected by checking the current 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 che...

Page 37: ...r refrigerant piping contact surface 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 bee...

Page 38: ...ircuit See 5 2 Refrigerant circuit 4211 Possible cause Non condensables and or humidity in the refrigerant circuit 6 Perform a check of the compressor See 4 2 Compressor 457 Possible cause Faulty comp...

Page 39: ...f the indoor unit main PCB See 4 10 Indoor unit main PCB 497 Possible cause Faulty indoor unit main PCB INFORMATION If all procedures listed above have been performed and the problem is still present...

Page 40: ...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 still present...

Page 41: ...R ARXTP R RXTA B FTXTA30B2V1B W B FTXTM30 40R2V1B FTXTP25 35M5V1B ATXTP25 35M5V1B R32 Optimized Heating 4 Split ESIE21 12A 2022 02 INFORMATION If all procedures listed above have been performed and th...

Page 42: ...WB or higher Cooling operation cannot 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 re...

Page 43: ...in specified range Field piping is 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...

Page 44: ...ibration prevention where needed If 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 specifie...

Page 45: ...al inspection Does air enter the refrigerant system Conduct refrigerant collection and vacuum drying and then add proper amount refrigerant Is the refrigerant overcharged Conduct refrigerant collectio...

Page 46: ...ere 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 operate...

Page 47: ...0 supplied Check the insulation of 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 micr...

Page 48: ...ir in the system Water in the system 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...

Page 49: ...by Daikin used Breakage or blockage of the humidification hose Is the length of the humidification hose correct within specified length Is setting correct for the humidification hose length Check the...

Page 50: ...il gets hot while energized Wait 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...

Page 51: ...rect Action Yes Perform a position check of the 4 way valve see 4 1 1 Checking procedures 450 No Perform a check the main PCB see 4 14 Main PCB 4126 When outdoor temperature does not allow the unit to...

Page 52: ...n the flow diagram See 7 3 Piping diagram 4242 INFORMATION The flow through the 4 way valve is correct if the water temperature after the heat exchanger rises drops when operating in Heating Cooling m...

Page 53: ...thermometer or by touching if the flow through the 4 way valve corresponds with the flow shown in the flow diagram of the specific operation mode See 7 3 Piping diagram 4242 INFORMATION The flow thro...

Page 54: ...the appropriate PCB 4 To install the 4 way valve coil see 4 1 2 Repair procedures 453 To remove the 4 way valve body Prerequisite Recuperate the refrigerant from the refrigerant circuit see 5 2 2 Repa...

Page 55: ...ene torch 7 Install plugs or caps on the open pipe ends of the refrigerant piping to avoid dirt or impurities from entering the piping 8 To install the 4 way valve body see 4 1 2 Repair procedures 453...

Page 56: ...e nitrogen supply after the component has cooled down 7 Install the putty if available and the insulation if available in their original location 8 Install the 4 way valve coil on the 4 way valve body...

Page 57: ...isted order To perform an auditive check of the compressor Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the requ...

Page 58: ...op 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 ELECTROCUTION Wait for at least 10...

Page 59: ...an electrical check of the compressor 1 First perform a mechanical check of the compressor see 4 2 1 Checking procedures 457 DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes after the circuit...

Page 60: ...s MUST be 1 114 5 and equal Compressor motor winding measurements are correct Action Yes Continue with the next step No Replace the compressor see 4 2 2 Repair procedures 462 5 Measure the continuity...

Page 61: ...compressor see 4 2 1 Checking procedures 457 No Preventively replace the compressor see 4 2 2 Repair procedures 462 To perform an insulation check of the compressor Prerequisite First perform an elec...

Page 62: ...easure the insulation resistance between the following terminals The measured insulation resistance MUST be 3 M U ground V ground W ground Compressor insulation measurements are correct Action Yes Com...

Page 63: ...see 4 2 2 Repair procedures 462 To install the compressor insulation 1 Install the secondary inner body jacket on the compressor 2 Install the top insulation on the compressor a d b c a String b Body...

Page 64: ...pace for the removal of the compressor 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...

Page 65: ...f the compressor pipes using an oxygen acetylene torch and remove the refrigerant pipes from the compressor pipes using pliers a a a Compressor pipe 6 Stop the nitrogen supply when the piping has cool...

Page 66: ...piping and make sure they are clean 3 Remove the caps from the compressor pipes of the new compressor CAUTION The oil in the compressor is hygroscopic Therefore remove the caps from the compressor pip...

Page 67: ...nside the compressor pipes will damage or destroy the compressor 8 After soldering is done stop the nitrogen supply after the component has cooled down 9 Install the cover of the compressor wire termi...

Page 68: ...dure 4 3 Compressor thermal protector 4 3 1 Checking procedures To perform a mechanical check of the compressor thermal protector Prerequisite Stop the unit operation via the user interface Prerequisi...

Page 69: ...sor thermal protection to slightly above 123 C compressor thermal protection trips at 117 123 C 6 Measure the resistance on the compressor thermal protector Result The contact MUST be open measured re...

Page 70: ...rerequisite Remove the compressor insulation 1 Remove the cover of the compressor wire terminals a a Compressor wire terminals cover 2 Remove the compressor thermal protector with bracket from the com...

Page 71: ...see 4 2 2 Repair procedures 462 To install the compressor thermal protector 1 Install the compressor thermal protector on the compressor thermal protector bracket a b a Compressor thermal protector b...

Page 72: ...he 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 with th...

Page 73: ...hecking the valve using a magnet Does the expansion valve open Action Yes Perform an electrical check of the expansion valve see 4 4 1 Checking procedures 472 No Replace the expansion valve body see 4...

Page 74: ...B make sure to connect it on the correct 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 operatio...

Page 75: ...on valve s 7 While in opening or 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...

Page 76: ...the removal a a Expansion valve coil 2 Pull the expansion valve coil to remove it from the expansion valve body INFORMATION It may be needed to turn the expansion valve coil 1 8 turn counter clockwise...

Page 77: ...ion valve body INFORMATION It is ALSO possible to cut the component pipe s using a pipe cutter Make sure to remove the remaining component pipe end s from the refrigerant pipes by heating the brazing...

Page 78: ...valve body c Expansion valve pipe INFORMATION The expansion valve and coil can have a different configuration layout 8 Reinstall the putty 9 To install the expansion valve coil see 4 4 2 Repair proced...

Page 79: ...orrect location and do NOT apply force as this may damage the connector or connector pins of the PCB 4 Fix the expansion valve coil harness using new tie straps 5 Install the insulation cap on the exp...

Page 80: ...harness OK Action Yes Continue with the next step No Replace the front panel motor wiring harness see 4 5 2 Repair procedures 481 3 On the front grille removed from the indoor unit measure the resist...

Page 81: ...ws and remove the front panel motor from the bracket c a c a b d a Screw front panel motor and gears ass b Front panel motor and gears assy c Screw front panel motor d Front panel motor 3 To install t...

Page 82: ...e user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 4 17 Plate work 4144 1 Disconnect the front panel motor wiring harness from the in...

Page 83: ...isite Remove the required plate work see 4 17 Plate work 4144 1 Recuperate the refrigerant from the refrigerant circuit see 5 2 2 Repair procedures 4216 2 Fill the refrigerant circuit with nitrogen un...

Page 84: ...he Faston connections of the high pressure switch Result The switch MUST be closed High pressure switch connector measurements are correct Then Yes High pressure switch is OK Return to the troubleshoo...

Page 85: ...t pipes by heating the brazing point s of the component pipe s using an oxygen acetylene torch 7 Install a plug or cap on the refrigerant piping to avoid dirt or impurities from entering the piping 8...

Page 86: ...connectors to the high pressure switch 7 Perform a pressure test see 5 2 1 Checking procedures 4211 8 Add refrigerant to the refrigerant circuit see 5 2 2 Repair procedures 4216 Is the problem solved...

Page 87: ...CB correct Action Yes Replace the humidity sensor wiring harness see 4 7 2 Repair procedures 487 No Perform a check of the indoor unit main PCB see 4 10 1 Checking procedures 497 5 As there are no fur...

Page 88: ...ess to the humicity sensor PCB assembly 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 remo...

Page 89: ...e problem solved Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next procedure 4 8 Indoor unit fan motor 4 8 1 Checking procedures...

Page 90: ...ce the DC fan motor see 4 8 2 Repair procedures 490 FTXTP M and ATXTP M units Prerequisite First perform a mechanical check of the DC fan motor assembly see 4 8 1 Checking procedures 489 1 Remove the...

Page 91: ...uisite Remove the required plate work see 4 17 Plate work 4144 1 Remove the switch box see 4 17 Plate work 4144 2 Click the indoor unit fan motor cover out of the indoor unit If needed remove the scre...

Page 92: ...or cover 3 Remove the rubber from the indoor unit 4 Remove the indoor unit fan motor from the indoor unit 5 To install the indoor unit fan motor see 4 8 2 Repair procedures 490 To install the DC fan m...

Page 93: ...XTP R ARXTP R RXTA B FTXTA30B2V1B W B FTXTM30 40R2V1B FTXTP25 35M5V1B ATXTP25 35M5V1B R32 Optimized Heating 4 Split ESIE21 12A 2022 02 a A A FTXTA B units a Indoor unit fan motor cover a A A FTXTM30R...

Page 94: ...hecking procedures To perform a mechanical check of the indoor unit heat exchanger Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prer...

Page 95: ...ective circuit breaker 1 Remove the required plate work see 4 17 Plate work 4144 2 Disconnect the wiring from the wiring terminals 3 Remove the insulation from the liquid and gas pipes 4 Release the f...

Page 96: ...nits B FTXTM30R units C FTXTM40R units D FTXTP M ATXTP M units a Screw b Streamer unit assembly c Indoor unit heat exchanger 3 Install the indoor unit fan motor see 4 8 2 Repair procedures 490 4 For F...

Page 97: ...PCB 4 10 1 Checking procedures INFORMATION It is recommended to perform the checks in the listed order To perform a power check of the indoor unit main PCB FTXTP M and ATXTP M units Prerequisite Stop...

Page 98: ...nal of the indoor unit and the indoor unit PCB see 4 10 2 Repair procedures 4103 No See To check the power supply to the indoor unit 5 1 2 Repair procedures 4210 for the next steps FTXTA B and FTXTM R...

Page 99: ...ce manual 99 RXTM R RXTP R ARXTP R RXTA B FTXTA30B2V1B W B FTXTM30 40R2V1B FTXTP25 35M5V1B ATXTP25 35M5V1B R32 Optimized Heating 4 Split ESIE21 12A 2022 02 a b A A Indoor unit FTXTA B a Connector S300...

Page 100: ...between the pins 1 4 of the connector S102 on the indoor unit power PCB Result The measured voltage MUST be 324 V DC Output voltage on indoor unit power PCB correct Action Yes Correct the wiring betw...

Page 101: ...te First perform all earlier checks of the indoor unit main PCB see 4 10 1 Checking procedures 497 1 Visit your local spare parts webbank 2 Enter the model name of your unit and check if the installed...

Page 102: ...Checking procedures 497 of the indoor unit main PCB and continue with the next procedure To check the fuse of the indoor unit main PCB INFORMATION Fuse is ONLY available on the main PCB of the indoor...

Page 103: ...ate work 4144 1 Correct the wiring from the indoor unit power supply terminal to the PCB see 7 2 Wiring diagram 4232 Is the problem solved Action Yes No further actions required No Return to 4 10 1 Ch...

Page 104: ...al 104 RXTM R RXTP R ARXTP R RXTA B FTXTA30B2V1B W B FTXTM30 40R2V1B FTXTP25 35M5V1B ATXTP25 35M5V1B R32 Optimized Heating 4 Split ESIE21 12A 2022 02 b b a b b A A Indoor unit FTXTA B a Indoor unit ma...

Page 105: ...ove the indoor unit main PCB from the indoor unit 6 To install the indoor unit main PCB see 4 10 2 Repair procedures 4103 To install the indoor unit main PCB 1 Install the indoor unit main PCB in the...

Page 106: ...al 106 RXTM R RXTP R ARXTP R RXTA B FTXTA30B2V1B W B FTXTM30 40R2V1B FTXTP25 35M5V1B ATXTP25 35M5V1B R32 Optimized Heating 4 Split ESIE21 12A 2022 02 b b a b b A A Indoor unit FTXTA B a Indoor unit ma...

Page 107: ...hen reconnecting a connector to the PCB make sure to connect it on the correct location and do NOT apply force as this may damage the connector or connector pins of the PCB Is the problem solved Actio...

Page 108: ...indoor unit PCB see 4 10 2 Repair procedures 4103 To install a fuse on the indoor unit main PCB 1 Install the fuse on the correct location on the PCB CAUTION Make sure the fuse is plugged in correctl...

Page 109: ...a power check of the indoor unit power PCB Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work...

Page 110: ...1 Checking procedures 4209 Is the power supply to the indoor unit correct Action Yes Correct the wiring between the power supply terminal of the indoor unit and the indoor unit power PCB see 4 11 2 Re...

Page 111: ...local spare parts webbank 2 Enter the model name of your unit and check if the installed spare part number corresponds with the spare part number indicated in the webbank Is the correct spare part fo...

Page 112: ...s needed Is the problem solved Action Yes No further actions required No Return to 4 10 1 Checking procedures 497 of the indoor unit power PCB and continue with the next procedure To check the fuse of...

Page 113: ...ndoor unit power supply terminal to the indoor unit power PCB Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the r...

Page 114: ...ervice manual 114 RXTM R RXTP R ARXTP R RXTA B FTXTA30B2V1B W B FTXTM30 40R2V1B FTXTP25 35M5V1B ATXTP25 35M5V1B R32 Optimized Heating 4 Split ESIE21 12A 2022 02 a A A Indoor unit FTXTA B a Indoor unit...

Page 115: ...it FTXTM R a Indoor unit power PCB 3 Remove the indoor unit power PCB from the indoor unit 4 To install the indoor unit power PCB see 4 11 2 Repair procedures 4113 To install the indoor unit power PCB...

Page 116: ...RNING When reconnecting a connector to the PCB make sure to connect it on the correct location and do NOT apply force as this may damage the connector or connector pins of the PCB Is the problem solve...

Page 117: ...IE21 12A 2022 02 a A A Indoor unit FTXTA B a Fuse F1U a A A Indoor unit FTXTM R a Fuse F1U 2 To install a fuse on the indoor unit power PCB see 4 11 2 Repair procedures 4113 To install a fuse on the i...

Page 118: ...e next procedure 4 12 Intelligent eye sensor 4 12 1 Checking procedures INFORMATION It is recommended to perform the checks in the listed order To perform a power check of the intelligent eye sensor P...

Page 119: ...the output voltage on the indoor unit main PCB correct Action Yes Replace the intelligent eye sensor wiring harness see 4 12 2 Repair procedures 4120 No Perform a check of the indoor unit main PCB se...

Page 120: ...tage between the following pins of the intelligent eye sensor connector CN Result The measured voltage MUST be Connector pins Voltage 2 3 0 V DC 2 4 4 25 4 75 V DC 5 Again wave your hand in front of t...

Page 121: ...4120 To install the intelligent eye sensor 1 Click the intelligent eye sensor PCB on the indoor unit a b a Control panel b Intelligent eye sensor PCB 2 Connect the harness to the intelligent eye sens...

Page 122: ...he PCB make sure to connect it on the correct location and do NOT apply force as this may damage the connector or connector pins of the PCB 2 Route the wiring harness through the appropriate harness r...

Page 123: ...the indoor unit main PCB correct Action Yes Replace the intelligent thermal sensor wiring harness see 4 13 2 Repair procedures 4123 No Perform a check of the indoor unit main PCB see 4 10 1 Checking p...

Page 124: ...bracket 4 To install the intelligent thermal sensor see 4 13 2 Repair procedures 4123 To install the intelligent thermal sensor 1 Connect the wiring harness to the connector of the intelligent therma...

Page 125: ...ess connector from the indoor unit main PCB 4 Cut all tie straps if any that fix the wiring harness 5 Route the wiring harness out of the harness retainers and remove the intelligent thermal sensor wi...

Page 126: ...he troubleshooting of the specific error and continue with the next procedure 4 14 Main PCB 4 14 1 Checking procedures INFORMATION It is recommended to perform the checks in the listed order To perfor...

Page 127: ...6 of the PCB and continue with the next procedure No Continue with the next step 3 Check the power supply to the unit see 5 1 1 Checking procedures 4209 Does the unit receive power Action Yes Replace...

Page 128: ...nstalled spare part number corresponds with the spare part number indicated in the webbank NOTICE Also check that the correct spare part is installed for the capacity adapter Is the correct spare part...

Page 129: ...easure the continuity of the fuse If no continuity is measured the fuse has blown a a a a Fuse Blown fuse on the main PCB Action Yes Replace the blown fuse see 4 14 2 Repair procedures 4132 No Return...

Page 130: ...rectifier voltage is OK the diode module is OK If rectifier voltage is NOT OK proceed as described in the rectifier voltage check procedure Below procedure describes how to check the diode module its...

Page 131: ...requisite Stop the unit operation via the user interface 1 Turn OFF the respective circuit breaker DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes after the circuit breaker has been turned O...

Page 132: ...4132 4 14 2 Repair procedures To remove the main PCB Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required...

Page 133: ...see 4 14 2 Repair procedures 4132 To install the main PCB 1 Apply grease to the PCB contact surface of the heat sink Distribute the grease as evenly as possible CAUTION ALWAYS apply new grease on the...

Page 134: ...he compressor connector 11 Install new tie straps to fix the compressor wiring harness to the switch box Is the problem solved Action Yes No further actions required No Return to 4 14 1 Checking proce...

Page 135: ...cks 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 break...

Page 136: ...edures 4138 To perform an electrical check of the DC fan motor assembly 1 First perform a mechanical check of the DC fan motor assembly see 4 15 1 Checking procedures 4135 INFORMATION Check the DC fan...

Page 137: ...erter PCB Result The voltage MUST be 200 390 V DC 11 Measure the voltage on the connector pins 4 3 fan motor control on the inverter PCB Result The voltage MUST be 15 10 V DC Are both measured voltage...

Page 138: ...ed plate work see 4 17 Plate work 4144 2 Remove the nut that fixes the propeller fan blade assembly a b a Nut b Propeller fan blade assembly 3 Pull and remove the propeller fan blade assembly from the...

Page 139: ...r harness from the switch box 5 Guide the DC fan motor harness though the opening in the partition plate 6 Slightly bend the harness retainers at the back of the fan motor bracket to detach the DC fan...

Page 140: ...attach the DC fan motor harness 4 Guide the DC fan motor harness though the opening in the partition plate 5 Attach the DC fan motor harness to the switch box 6 Install a new tie strap to fix the DC...

Page 141: ...quisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 4 17 Plate work 4144 1 Visually check For an...

Page 142: ...pace for the removal of the heat exchanger 2 Remove the putty and insulation from the appropriate piping 3 Remove the heat exchanger thermistor and air thermistor from their holder 4 Remove the screws...

Page 143: ...eller fan blade installed from the unit 11 Remove the heat exchanger from the unit 12 To install the outdoor unit heat exchanger see 4 16 2 Repair procedures 4142 To install the outdoor unit heat exch...

Page 144: ...e g Heat exchanger pipe 9 Install the guard nets Install and tighten the screws to fix the guard nets 10 Install the heat exchanger thermistor and air thermistor in their holder 11 Install the putty a...

Page 145: ...the unit operation via the user interface 1 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...

Page 146: ...e and front plate see 4 17 Plate work 4144 1 Remove the screw that fix the terminal protection plate and remove the plate a b c d e a Screw terminal protection plate b Terminal protection plate c Wire...

Page 147: ...le and may differ on some details for your actual unit Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required...

Page 148: ...5V1B R32 Optimized Heating 4 Split ESIE21 12A 2022 02 f a d c b e a Electrical power supply wiring b Wire terminals c Screws d Wire clamp e Screws f Right side plate assembly 4 Remove the screws that...

Page 149: ...tch box 8 Lift and remove the switch box from the outdoor unit 9 To install the switch box see 4 17 Plate work 4144 To install the switch box INFORMATION This procedure is just an example and may diff...

Page 150: ...ectrical power supply wiring to the 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 diagr...

Page 151: ...ptimized Heating 4 Split ESIE21 12A 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 4 17 2 Indoor unit To open the front p...

Page 152: ...Open the front panel until the support fits into the fixing tab a d c b a Lock 1 on each side b Backside of the front panel c Fixing tab d Support INFORMATION If you CANNOT find the wireless remote co...

Page 153: ...ightly to the right to disconnect the shaft from the shaft slot on the right side a c b a Arm b Shaft c Shaft slot 4 Disconnect the front panel shaft from the shaft slot on the left side a c b a Arm b...

Page 154: ...aintaining or servicing the system 1 Open the front panel see 4 17 Plate work 4144 2 Remove the service cover see 4 17 Plate work 4144 3 Remove the wire harness from the wire clamp and the connector 4...

Page 155: ...R units CAUTION Wear adequate personal protective equipment protective gloves safety glasses when installing maintaining or servicing the system 1 Remove the front panel to remove the air filter 2 For...

Page 156: ...ing maintaining or servicing the system 1 Remove the front panel to remove the air filter 2 Remove 2 screws class 20 35 or 3 screws class 50 71 from the front grille 3 Remove 2 screws from the front g...

Page 157: ...box 2 Open the electrical wiring box cover by pulling it to the front 3 Remove the electrical wiring box cover from the 2 rear hooks 1 2 b a c c a Screw b Electrical wiring box c Rear hook 4 To re ins...

Page 158: ...cover make sure that the tightening torque does NOT exceed 1 4 0 2 N m TO REMOVE THE ELECTRICAL WIRING BOX COVER Prerequisite Remove the front grille 1 Remove 1 screw from the electrical wiring box 2...

Page 159: ...e grounding wire from the heat exchanger b a c d e f a Grouding wire cover screw b Grounding wire screw c Heat exchanger thermistor d Indoor unit PCB e Switch box screw f Switch box 5 Disconnect the c...

Page 160: ...ch box screw f Switch box c f b a d A e A FTXTM40R units a Power supply terminal X1M b Power supply wiring bracket c Screw ground wire d Indoor unit main PCB e Switch box screw f Switch box 5 Disconne...

Page 161: ...d Switch box screw e Switch box 5 Disconnect the connectors of the indoor unit fan motor the swing flap motor and the swing raster motor if equipped from the indoor unit PCB 6 Remove the screw and rem...

Page 162: ...rt it all the way in 3 Push lightly the front panel to the right side align the shaft on the left side with slot and insert it all the way in 4 Close the locks on both sides FTXTM R FTXTP M and ATXTP...

Page 163: ...e screw 7 Connect the power supply wiring to the power supply terminal X1M FTXTM R units 1 install the switch box in the correct location on the indoor unit c f b a d A e A FTXTM30R units a Power supp...

Page 164: ...iring bracket Install and tighten the screw FTXTP M and ATXTP M units 1 install the switch box in the correct location on the indoor unit a a b c d e a Grouding wire screw b Heat exchanger thermistor...

Page 165: ...t clicks 4 18 Reactor 4 18 1 Checking procedures To perform an electrical check of the reactor Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit...

Page 166: ...ide of the main PCB 5 Measure the resistance of the reactor using a low ohm multi meter Result The resistance MUST be as follows Measuring points Resistance c 24 5 45 5 m d 60 2 111 8 m c b d c d a c...

Page 167: ...dures As the reactors are part of the main PCB replace the complete main PCB See 4 14 Main PCB 4126 4 19 Streamer unit 4 19 1 Checking procedures 1 As there is no specific check procedure for this com...

Page 168: ...respective circuit breaker Prerequisite Remove the required plate work see 4 17 Plate work 4144 1 Disconnect the connector from the streamer unit b a A A Indoor unit FTXTA B a Streamer unit connector...

Page 169: ...2022 02 To install the streamer unit 1 Install the streamer unit in the correct location on the indoor unit b a A A Indoor unit FTXTA B a Streamer unit connector b Streamer unit b a A A Indoor unit F...

Page 170: ...uisite Remove the required plate work see 4 17 Plate work 4144 1 Disconnect the swing flap motor connector from the indoor unit main PCB 2 Measure the resistance between the following pins of the moto...

Page 171: ...see Repair procedures 4174 No Replace the swing flap motor see Repair procedures 4174 FTXTM30R Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit...

Page 172: ...Plate work 4144 1 Disconnect the swing flap motor connector from the indoor unit main PCB 2 Measure the resistance between the following pins of the motor connector Result The measurements MUST be as...

Page 173: ...p the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 4 17 Plate work 4144 1 Disconnect the swing flap motor...

Page 174: ...ster motor see 4 21 2 Repair procedures 4186 3 Remove the swing flap from the indoor unit by clicking it out 4 Remove the screw that fixes the swing flap motor b a c d a Swing flap b Screw swing flap...

Page 175: ...ss from the swing flap motor 7 To install the swing flap motor see Repair procedures 4181 FTXTP M and ATXTP M units Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF th...

Page 176: ...c Swing flap motor d Coupling piece 3 Install and tighten the screw to fix the swing flap motor 4 Install the swing flap 5 Install the swing raster motor see 4 21 2 Repair procedures 4186 6 Install th...

Page 177: ...n the indoor unit by clicking it on 5 Install the main swing flap in the indoor unit by clicking it on 6 Install the switch box see 4 17 Plate work 4144 Is the problem solved Action Yes No further act...

Page 178: ...emove the swing flap motor see Repair procedures 4181 INFORMATION The swing flap motor wiring harness is also connected to the swing raster motor 2 Put a small drain pan or container under the drain h...

Page 179: ...of the specific error and continue with the next procedure FTXTA B units INFORMATION To replace the motor the complete gearcase assembly MUST be replaced As the main swing flap motor wiring harness is...

Page 180: ...4174 To install the swing flap motor gearcase assembly 1 Connect the swing flap motor harness to the swing flap motor connector 2 Install the swing flap motor gearcase assembly on the indoor unit and...

Page 181: ...resistance measurements are correct Action Yes Return to the troubleshooting of the specific error and continue with the next procedure No Replace the swing flap motor see Repair procedures 4181 Repa...

Page 182: ...it a a b a a Screw b Swing flap motor gearcase assembly 7 Cut all tie straps that fix the wiring harness harness to main and secondary swing flap motor and swing raster motor 8 Route the wiring harnes...

Page 183: ...the wiring harness through the harness retainers 5 Install new tie straps to fix the wiring harness as needed 6 Install the right side fan guard on the indoor unit by clicking it on 7 Install the seco...

Page 184: ...e following pins of the motor connector Result The measurements MUST be as shown in the table below Pins Measured resistance 1 2 380 1 3 1 4 1 5 2 3 760 2 4 2 5 3 4 3 5 4 5 Swing raster motor resistan...

Page 185: ...rror and continue with the next procedure No Continue with the next step 3 Remove the swing raster motor see 4 21 2 Repair procedures 4186 4 Measure the resistance between the following pins of the co...

Page 186: ...measurements MUST be as shown in the table below Pins Measured resistance 1 2 279 321 1 3 1 4 1 5 2 3 516 684 2 4 2 5 3 4 3 5 4 5 Swing raster motor resistance measurements are correct Action Yes Ret...

Page 187: ...or rod c Swing raster motor assembly 5 Remove the swing raster motor assembly from the indoor unit 6 Remove the 2 screws that fix the swing raster motor to the bracket 7 Disconnect the rod from the sw...

Page 188: ...r unit a b a Screw drain hose b Drain hose 4 Remove the 2 screws that fix the swing raster motor assembly to the indoor unit d c a a b a Screw swing raster motor assembly b Swing raster motor assembly...

Page 189: ...ss from the swing raster motor 12 To install the swing raster motor see 4 21 2 Repair procedures 4186 FTXTM40R Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the res...

Page 190: ...ter motor rod from the swing raster shaft 7 Remove the swing raster motor assembly from the indoor unit 8 Remove the 2 screws that fix the swing raster motor to the bracket a c a b a Screw swing raste...

Page 191: ...aster motor assembly 4 Connect the swing raster motor rod to the swing raster shaft using soft tools 5 Install the swing raster motor assembly on the correct location in the indoor unit using the 2 sc...

Page 192: ...the bracket 4 Guide the rod and link inside the bracket to the correct location 5 Connect the rod and link to the swing raster motor 6 Install the swing raster motor assembly on the correct location...

Page 193: ...Plate work 4144 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 FTXTM40R 1 Connect the wiring h...

Page 194: ...ly Do NOT yet tighten the screws e d c a b c a Swing raster motor cover b Swing raster motor assembly c Screw swing raster motor assembly d Fan guard e Swing raster motor rod 8 Connect the swing raste...

Page 195: ...tor wiring harness is part of the swing flap motor install the swing flap motor see Repair procedures 4174 For FTXTM40R units As the swing raster motor wiring harness is the same harness as the swing...

Page 196: ...r procedures 4200 To perform an electrical check of the specific thermistor 1 First perform a mechanical check of the thermistor see 4 22 1 Checking procedures 4195 2 Locate the thermistor INFORMATION...

Page 197: ...pins Inter mediate connector pins Referen ce table Indoor unit air room thermistor R1T Display PCB on main PCB I U S26 1 2 S27 1 2 on display PCB B Heat exchanger thermistor R2T Main I U S32 1 2 A 4 D...

Page 198: ...61 46 26 44 05 41 95 31 32 33 34 35 36 37 38 39 15 43 14 79 14 18 13 59 13 04 12 51 12 01 11 52 11 06 61 62 63 64 65 66 67 68 69 4 70 4 54 4 38 4 23 4 08 3 94 3 81 3 68 3 56 Thermistor Table B T C k...

Page 199: ...ce display replace the applicable PCB INFORMATION See the overview of the thermistors at the start of the procedure and the 7 2 Wiring diagram 4232 to determine if the specific thermistor is either Di...

Page 200: ...istor is located on the humidity sensor PCB replace the humidity sensor assembly see 4 7 2 Repair procedures 487 FTXTM R UNITS As the indoor unit air room thermistor is located on the display PCB remo...

Page 201: ...display PCB from the unit 3 To install the indoor unit air room thermistor see 4 22 2 Repair procedures 4200 Other refrigerant side thermistors Prerequisite Stop the unit operation via the user interf...

Page 202: ...connector 5 When removing the complete set of thermistors wired to the same connector Remove all other thermistors wired to the connector from their thermistor holder Disconnect the thermistor connect...

Page 203: ...s located on the display PCB install the display PCB as described in the steps below 1 Install the display PCB in the correct location on the unit 2 Connect the connector to the display PCB Other refr...

Page 204: ...ors wired to the same connector 4 When installing the complete set of thermistors wired to the same connector Install all other thermistors wired to the connector in their thermistor holder Route the...

Page 205: ...the user interface Prerequisite Turn OFF the respective circuit breaker 1 Remove the required plate work see 4 17 Plate work 4144 2 Turn ON the power of the unit 3 Measure the power supply voltage be...

Page 206: ...further check procedures for this component perform a check of the indoor unit main PCB to check if the wifi control PCB needs to be replaced See 4 10 1 Checking procedures 497 After complete check of...

Page 207: ...plit ESIE21 12A 2022 02 a A A Indoor unit FTXTM R a Wifi control PCB assembly 3 To install the wifi control PCB assembly see 4 23 2 Repair procedures 4206 To install the wifi control PCB 1 Click the w...

Page 208: ...indoor unit main PCB 3 Cut all tie straps if any that fix the wiring harness 4 Route the wiring harness out of the harness retainers and remove the wifi control PCB wiring harness 5 To install the wi...

Page 209: ...supply terminal X1M Result The voltage 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...

Page 210: ...ith the next procedure No Adjust the power supply see 5 1 2 Repair procedures 4210 To check the wiring between the outdoor unit and the indoor unit 1 Check that all wires are properly connected and th...

Page 211: ...g intermediate terminal noise filter fuse 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 c...

Page 212: ...To check if the refrigerant circuit is clogged Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker 1 Wait for the refrigerant to reach the...

Page 213: ...ion valve or internal obstruction of the valve dirt or ice build up in case of humidity in the system Temperature drop found Action Yes Replace the clogged part see 5 2 2 Repair procedures 4216 No Ret...

Page 214: ...amount Higher degree of overcharge Degree of overcharge To maintain high pressure frequency decreases under the capacity control Low pressure drops due to closed outdoor unit electronic expansion valv...

Page 215: ...o compressor capacity decreasing Operating frequency comes to the lowest level Heating Frequency Low pressure High pressure Proper amount Higher degree of shortage Degree of refrigerant shortage To ma...

Page 216: ...he next procedure To perform a pressure test of the refrigerant circuit 1 Perform a pressure test in line with local legislation Is the pressure in the refrigerant circuit correct Action Yes Return to...

Page 217: ...and continue with 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...

Page 218: ...ting of the specific error and continue with the next procedure To add refrigerant 1 See the installer reference guide for the correct procedure Is the problem solved Action Yes No further actions req...

Page 219: ...u want to pump down the system and there is a leak in the refrigerant circuit Do NOT use the unit s automatic pump down function with which you can collect all refrigerant from the system into the out...

Page 220: ...sh the piping before brazing with nitrogen to avoid oxidation of the inside of the copper tubes nitrogen purity 99 99 5 3 External factors 5 3 1 Checking procedures To check the outdoor temperature 1...

Page 221: ...2 02 To check the required space around the outdoor unit heat exchanger 1 Check if the space around the outdoor unit heat exchanger is sufficient See the installation manual for the required space spe...

Page 222: ...ten the hair fins 2 Clear the outdoor 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 duri...

Page 223: ...ons required No Return to the troubleshooting of the specific error and continue with the next procedure 6 4 To clean the indoor unit and wireless remote control WARNING Improper detergents or cleanin...

Page 224: ...lean the front panel with a soft cloth If it is difficult to remove stains use water or a neutral detergent 6 6 To clean the air filters FTXTA B units 1 Push the tab at the centre of each air filter t...

Page 225: ...the shade Be sure to remove the titanium apatite deodorising and silver particle filters It is recommended to clean the air filters every 2 weeks FTXTM R units 1 Push the tab at the centre of each air...

Page 226: ...ORMATION If the dust does NOT come off easily wash them with a neutral detergent diluted in lukewarm water Dry the air filters in the shade It is recommended to clean the air filters every 2 weeks FTX...

Page 227: ...nium apatite deodorising and silver particle filters It is recommended to clean the air filters every 2 weeks Is the problem solved Action Yes No further actions required No Return to the troubleshoot...

Page 228: ...water and dry the filter in the shade Do NOT wring out the filter when removing water FTXTM R units INFORMATION Clean the filter with water every 6 months 1 Remove for class 30 silver particle filter...

Page 229: ...lter Ag ion filter and titanium apatite deodorising filter from the tabs 2 Remove the dust from the filter with a vacuum cleaner 3 Soak the filter for 10 to 15 minutes in warm water 4 After washing sh...

Page 230: ...Do NOT throw away the filter frame but use it again Dispose of the old filter as non flammable waste FTXTM R units 1 Remove the filter from the tabs class 30 or frame class 40 and replace the filter...

Page 231: ...information setting mode 7 1 1 Detailed information setting mode Indoor unit See the installer reference guide on business portal for more information 7 1 2 Detailed information setting mode Outdoor u...

Page 232: ...Symbol Meaning Symbol Meaning Circuit breaker Protective earth Connection Protective earth screw Connector A Rectifier Earth Relay connector Field wiring Short circuit connector Fuse Terminal INDOOR...

Page 233: ...Intelligent eye sensor IPM Intelligent power module K R KCR KFR KHuR K M Magnetic relay L Live L Coil L R Reactor M Stepper motor M C Compressor motor M F Fan motor M P Drain pump motor M S Swing moto...

Page 234: ...IGBT power module WRC Wireless remote controller X Terminal X M Terminal strip block Y E Electronic expansion valve coil Y R Y S Reversing solenoid valve coil Z C Ferrite core ZF Z F Noise filter Wiri...

Page 235: ...Symbol Meaning Circuit breaker Protective earth Connection Protective earth screw Connector A Rectifier Earth Relay connector Field wiring Short circuit connector Fuse Terminal INDOOR Indoor unit Ter...

Page 236: ...e sensor IPM Intelligent power module K R KCR KFR KHuR K M Magnetic relay L Live L Coil L R Reactor M Stepper motor M C Compressor motor M F Fan motor M P Drain pump motor M S Swing motor MR MRCW MRM...

Page 237: ...switch high S PL Pressure switch low S T Thermostat S RH Humidity sensor S W SW Operation switch SA F1S Surge arrester SR WLU Signal receiver SS Selector switch SHEET METAL Terminal strip fixed plate...

Page 238: ...RED M1S M2S M3S M4S S21 S800 S401 S400 S16 BLUE S300A S301B H2O S1RH CN1 A5P BLK BLK BLK BLK IE S S800 A6P BLK BLK BLK BLK S90 A7P BLK BLK BLK BLK BLK MS M1F 3 S801 S601 S600 WH T B LK RE D S200 A1P...

Page 239: ...800 S102 S400 S16 S300A S301B IES CN A5P BLK BLK BLK BLK WI FI CONTROL ADAPTER S90 A6P BLK BLK BLK BLK BLK WIRELESS REMOTE CONTROLLER MS M1F 3 S801 S602 S600 WHT BLK RED S200 INDOOR UNIT A1P BLK BLK B...

Page 240: ...S102 S400 S16 S300A S301B IES CN A5P BLK BLK BLK BLK WI FI CONTROL ADAPTER S90 A6P BLK BLK BLK BLK BLK WIRELESS REMOTE CONTROLLER MS M1F 3 S801 S602 S600 WHT BLK RED S200 INDOOR UNIT A1P BLK BLK BLK...

Page 241: ...zed Heating 4 Split ESIE21 12A 2022 02 FTXTP M ATXTP M INFORMATION The diagrams shown in this manual may be incorrect due to changes updates to the unit Correct diagrams are supplied with the unit and...

Page 242: ...ategory IV Compressor category II Other equipment art 4 3 M p l q c d a b o n g m m m r 6x7 0 CuT 7 9 CuT 6 4 CuT 6 4 CuT 9 5 CuT 7 9 CuT 9 5 CuT 9 5 CuT 12 7 CuT 9 5 CuT 9 5 CuT 9 5 CuT 6x7 0 CuT HPS...

Page 243: ...RMATION The diagrams shown in this manual may be incorrect due to changes updates to the unit Correct diagrams are supplied with the unit and can also be found in the technical data book a b c d R1T M...

Page 244: ...shown in this manual may be incorrect due to changes updates to the unit Correct diagrams are supplied with the unit and can also be found in the technical data book a b c d R2T M1F M 6 4 CuT 9 5 CuT...

Page 245: ...own in this manual may be incorrect due to changes updates to the unit Correct diagrams are supplied with the unit and can also be found in the technical data book a b c d R2T M1F e M 6 4 CuT 12 7 CuT...

Page 246: ...N The diagrams shown in this manual may be incorrect due to changes updates to the unit Correct diagrams are supplied with the unit and can also be found in the technical data book 6 4CuT 9 5CuT 9 5Cu...

Page 247: ...N The diagrams shown in this manual may be incorrect due to changes updates to the unit Correct diagrams are supplied with the unit and can also be found in the technical data book 6 4CuT 9 5CuT 9 5Cu...

Page 248: ...view Outdoor unit c l b a e d g m i j k q r o n p l s f h a Fan k Muffler with filter b Fan motor M1F l Accumulator c Muffler m 4 way valve body d Discharge pipe thermistor R3T n Air thermistor R1T e...

Page 249: ...oor unit FTXTA B a c d b f e g h i j k l m n o p a Heat exchanger i Streamer unit b Front panel motor j Indoor unit PCB c Heat exchanger thermistor R1T k Switch box d Fan motor l Wifi control PCB e Sw...

Page 250: ...ESIE21 12A 2022 02 FTXTM30R c d e f g i j a b k l m n h a Heat exchanger h Display PCB A3P b Streamer unit i Swing flap c Indoor unit main PCB A1P j Fan d Switch box k Heat exchanger thermistor R2T e...

Page 251: ...g 4 Split ESIE21 12A 2022 02 FTXTM40R b c d e f h i a j k l m g a Heat exchanger h Swing flap b Indoor unit main PCB A1P i Fan c Switch box j Heat exchanger thermistor R2T d Indoor unit power PCB A2P...

Page 252: ...XTP25 35M5V1B ATXTP25 35M5V1B R32 Optimized Heating 4 Split ESIE21 12A 2022 02 FTXTP M ATXTP 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 fla...

Page 253: ...data Service manual 253 RXTM R RXTP R ARXTP R RXTA B FTXTA30B2V1B W B FTXTM30 40R2V1B FTXTP25 35M5V1B ATXTP25 35M5V1B R32 Optimized Heating 4 Split ESIE21 12A 2022 02 7 5 Field information report See...

Page 254: ...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...

Page 255: ...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...

Page 256: ...r an overview of the available service 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 Cli...

Page 257: ...firm To adjust target set temperature in heating operation FTXTA B and FTXTM R units INFORMATION When there is a big difference between the indoor room temperature and the set temperature in heating m...

Page 258: ...20 C Target temperature 20 C 2 5 C 22 5 C Thermo off temperature 24 5 C 1 Press and simultaneously 2 Press 3 Select SU 4 Press to confirm 5 Press 6 Select 7 7 Press to confirm 8 Press 9 Select the va...

Page 259: ...o NOT have priority it is recommended to switch OFF auto restart 1 Press and simultaneously 2 Press 3 Select SU 4 Press to confirm 5 Press 6 Select 10 7 Press to confirm 8 Press 9 Select 0 0 auto rest...

Page 260: ...f the outdoor unit down to 10 C INFORMATION The outdoor unit will stop operating when the temperature drops below 15 C and start back up once the temperature rises again 2 Below is an overview of the...

Page 261: ...y be formed near the outdoor unit or icicles may reach the outdoor unit during the night If such conditions are left uncorrected operating the air conditioner in the next morning can cause damage to t...

Page 262: ......

Page 263: ......

Page 264: ...ESIE21 12A 2022 02 Copyright 2021 Daikin Verantwortung f r Energie und Umwelt...

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