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Troubleshooting

Service manual

RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01

Check that all stop valves of the refrigerant circuit are open. See

"4.2 Refrigerant circuit"

[

204].

Possible cause:

Closed stop valve in the refrigerant circuit.

Check if the refrigerant circuit is clogged. See

"4.2 Refrigerant circuit"

[

204].

Possible cause:

Clogged refrigerant circuit.

Check if the refrigerant circuit is correctly charged. See

Possible cause:

Refrigerant shortage.

Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See

"4.2 Refrigerant circuit"

[

204].

Possible cause:

Non‑condensables and/or humidity in the refrigerant circuit.

Perform a check of the compressor. See

"3.2 Compressor"

[

49].

Possible cause:

Faulty compressor or miswiring of the compressor power

supply cable.

Perform a check of the expansion valve. See

"3.5 Expansion valve"

[

75].

Possible cause:

Faulty expansion valve.

Check for leaks in the refrigerant circuit. Look for oil traces on the unit(s).
Check the brazing points on the field piping. Perform a pressure test, see

"4.2 Refrigerant circuit"

[

204].

Possible cause:

Leak in the refrigerant circuit.

INFORMATION

If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.

2.5.30 U2-00 – Outdoor unit: Defect of power supply voltage

Trigger

Effect

Reset

Power supply abnormality
or instant power failure is
detected.

Unit will stop operating.

Power reset via outdoor
unit.

To solve the error code

INFORMATION

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

Check if the power supply is conform with the regulations. See

Possible cause:

▪

Faulty or disturbance of the power supply (imbalance >4%),

▪

Power drop,

▪

Short circuit.

Perform a check of the compressor. See

"3.2 Compressor"

[

49].

Possible cause:

Faulty compressor or miswiring of the compressor power

supply cable.

Содержание Perfera RXM R Series

Страница 1: ...Service manual Split New Perfera R32 RXM20 71R ARXM25 71R FTXM20 71R ATXM25 50R FVXM25 50A...

Страница 2: ...publication to the best of its knowledge No express or implied warranty is given for the completeness accuracy reliability or fitness for particular purpose of its content and the products and servic...

Страница 3: ...rsion log Service manual 3 RXM20 71R ARXM25 71R FTXM20 71R ATXM25 50R FVXM25 50A Split New Perfera R32 ESIE20 11 2021 01 Version log Version code Description Date ESIE20 11 Document release January 20...

Страница 4: ...igh pressure switch 22 2 5 20 H6 00 Outdoor unit Malfunction of position detection sensor 23 2 5 21 H8 00 Outdoor unit Malfunction of compressor input system 24 2 5 22 H9 00 Outdoor unit Malfunction o...

Страница 5: ...lass 42 71 units 145 3 14 Plate work 151 3 14 1 Outdoor unit 151 3 14 2 Indoor unit 156 3 15 Reactor 166 3 15 1 Checking procedures 166 3 15 2 Repair procedures 169 3 16 Streamer unit 169 3 16 1 Check...

Страница 6: ...information setting mode Remote controller 222 6 2 Wiring diagram 223 6 2 1 Wiring diagram Indoor unit 223 6 2 2 Wiring diagram Outdoor unit 229 6 3 Piping diagram 234 6 3 1 Piping diagram Indoor uni...

Страница 7: ...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 the refrigerant is...

Страница 8: ...2 3 To 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 specifie...

Страница 9: ...Error based troubleshooting 2 5 1 A1 00 PCB abnormality Trigger Effect Reset The system CANNOT set the internal settings Unit will stop operating Power reset via outdoor unit To solve the error code...

Страница 10: ...ode INFORMATION 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 4212 Possible cause Airflow of...

Страница 11: ...2 Perform a check of the indoor unit fan motor See 3 8 Indoor unit fan motor 491 Possible cause Faulty indoor unit fan motor INFORMATION If all procedures listed above have been performed and the pro...

Страница 12: ...n PCB 4102 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 6 C9 00 Room thermistor a...

Страница 13: ...Effect Reset Main PCB detects that EEPROM is abnormal Unit will stop operating Manual reset via user interface Power reset To solve the error code INFORMATION It is recommended to perform the checks i...

Страница 14: ...operating Manual reset via user interface High pressure control measured pressure just below high pressure switch operating point occurs 16 times within 300 minutes To solve the error code INFORMATIO...

Страница 15: ...check of the discharge pipe thermistor See 3 19 Thermistors 4189 Possible cause Faulty discharge pipe thermistor or connector fault 3 Perform a check of the outdoor unit fan motor See 3 13 Outdoor un...

Страница 16: ...op valves of the refrigerant circuit are open See 4 2 Refrigerant circuit 4204 Possible cause Closed stop valve in the refrigerant circuit 3 Check if the refrigerant circuit is clogged See 4 2 Refrige...

Страница 17: ...See 3 13 Outdoor unit fan motor 4140 Possible cause Faulty outdoor unit fan motor 2 Perform a check of the main PCB See 3 12 Main PCB 4123 Possible cause Faulty main PCB INFORMATION If all procedures...

Страница 18: ...to perform the checks in the listed order 1 Perform a check of the 4 way valve See 3 1 4 way valve 441 Possible cause Faulty 4 way valve 2 Perform a check of the main PCB See 3 12 Main PCB 4123 Possi...

Страница 19: ...se Closed stop valve in the refrigerant circuit 2 Check if the refrigerant circuit is correctly charged See 4 2 Refrigerant circuit 4204 Possible cause Refrigerant overcharge or shortage 3 Check for t...

Страница 20: ...e 3 5 Expansion valve 475 Possible cause Faulty expansion valve 5 Perform a check of the main PCB See 3 12 Main PCB 4123 Possible cause Faulty main PCB 6 Check if the refrigerant circuit is correctly...

Страница 21: ...rcuit 4204 Possible cause Clogged refrigerant circuit 5 Perform a check of the discharge pipe thermistor See 3 19 Thermistors 4189 Possible cause Faulty discharge pipe thermistor or connector fault IN...

Страница 22: ...tact the helpdesk 2 5 19 H3 00 Outdoor unit Malfunction of high pressure switch Trigger Effect Reset High pressure switch is activated when compressor is off Unit will stop operating Manual reset via...

Страница 23: ...e 3 12 Main PCB 4123 Possible cause Faulty main PCB 3 Check that all stop valves of the refrigerant circuit are open See 4 2 Refrigerant circuit 4204 Possible cause Closed stop valve in the refrigeran...

Страница 24: ...or See 3 2 Compressor 449 Possible cause Faulty compressor or miswiring of the compressor power supply cable 3 Perform a check of the reactor See 3 15 Reactor 4166 Possible cause Faulty reactor INFORM...

Страница 25: ...above have been performed and the problem is still present contact the helpdesk 2 5 24 J6 00 Outdoor unit Malfunction of heat exchanger thermistor Trigger Effect Reset Outdoor heat exchanger thermisto...

Страница 26: ...NFORMATION If all procedures listed above have been performed and the problem is still present contact the helpdesk 2 5 26 L4 00 Outdoor unit Malfunction of inverter radiating fin temperature rise Tri...

Страница 27: ...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 4204 Possible cause Closed stop valv...

Страница 28: ...t contact the helpdesk 2 5 28 P4 00 Outdoor unit Malfunction of radiating fin temperature sensor Trigger Effect Reset Radiating fin thermistor input is out of range Unit will stop operating Manual res...

Страница 29: ...e 7 Perform a check of the expansion valve See 3 5 Expansion valve 475 Possible cause Faulty expansion valve 8 Check for leaks in the refrigerant circuit Look for oil traces on the unit s Check the br...

Страница 30: ...ON It is recommended to perform the checks in the listed order 1 Check if the power supply is conform with the regulations See 4 1 Electrical circuit 4202 Possible cause Faulty or disturbance of the p...

Страница 31: ...it abnormality Improper combination of outdoor and indoor unit Unit will stop operating Power reset via outdoor unit To solve the error code INFORMATION It is recommended to perform the checks in the...

Страница 32: ...the listed order 1 Check all other indoor units for the following error codes If found see 2 5 Error based troubleshooting 49 to solve the specific error A5 00 Outdoor unit High pressure peak cut free...

Страница 33: ...eration 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 remote controller indicati...

Страница 34: ...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 of connection wiring Whe...

Страница 35: ...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 specified range Due to bad instal...

Страница 36: ...ter the refrigerant system Conduct refrigerant collection and vacuum drying and then add proper amount refrigerant Is the refrigerant overcharged Conduct refrigerant collection and vacuum drying and t...

Страница 37: ...fter the expansion valve capillary Check if there is a temperature difference before and after expansion valve capillary Check if the main valve unit of expansion valve operates by noise vibration Is...

Страница 38: ...lation of the electric system Check the thermistor Connection witch 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 workin...

Страница 39: ...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 Check the outdoor PCB Is...

Страница 40: ...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 outdoor temperature and...

Страница 41: ...ing the coil to the valve body 2 Check if any damage or burst is present Is the 4 way valve coil firmly fixed and not visually damaged Action Yes Perform an electrical check of the 4 way valve see Che...

Страница 42: ...4 way valve connection on the PCB Result The measured voltage MUST be Class Voltage Class 20 35 0 V DC Class 42 71 0 V AC Are the measured voltages correct Action Yes Perform a position check of the...

Страница 43: ...NLY possible when the outdoor temperature is within the temperature range for both Heating and Cooling operation mode See the databook on Business Portal for the temperature range of the operation mod...

Страница 44: ...on modes Heating or Cooling The unit CANNOT operate in the mode for which the outdoor temperature is outside its temperature range See the databook on Business Portal for the temperature range of the...

Страница 45: ...s to create more space for the removal of the 4 way valve coil 1 Remove the screw and remove the 4 way valve coil from the 4 way valve body a b c A A Class 20 35 unit a Screw b 4 way valve coil c 4 wa...

Страница 46: ...f any refrigerant pipes are cut these need to be replaced during installation of the 4 way valve body a b a c A A Class 20 35 unit a 4 way valve pipe b 4 way valve c Putty c a b a A A Class 42 71 unit...

Страница 47: ...AYS install new pipes 2 Supply nitrogen to the refrigerant circuit The nitrogen pressure MUST NOT exceed 0 02 MPa 3 Wrap a wet rag around the 4 way valve and solder the 4 way valve pipes to the refrig...

Страница 48: ...ll the 4 way valve coil on the 4 way valve body a b c A A Class 20 35 unit a Screw b 4 way valve coil c 4 way valve body A c a b A Class 42 71 unit a Screw b 4 way valve coil c 4 way valve body 2 Inst...

Страница 49: ...compressor 5 Listen to the compressor when it tries to operate Judge if a mechanical lock is present INFORMATION If you have a multimeter with data logging functionality record the current in 1 of the...

Страница 50: ...needed 5 Check the compressor dampers for any damage a a 1 Damper INFORMATION The compressor dampers may look different Compressor dampers are in a good condition Action Yes Perform an electrical che...

Страница 51: ...M25 50A Split New Perfera R32 ESIE20 11 2021 01 a A A Class 20 35 unit a Compressor wire terminals cover a A A Class 42 71 unit a Compressor wire terminals cover a a Compressor wire terminals cover 3...

Страница 52: ...s NOT 0 this value MUST be substracted from the measured winding resistance 4 Measure the resistance between the compressor motor windings U V V W and U W Result All measurements MUST be approximately...

Страница 53: ...heck of the appropriate PCB see 3 Components 441 12 Measure the current in each phase U V and W while compressor is operating All measurements MUST be the same Compressor motor winding current measure...

Страница 54: ...R32 ESIE20 11 2021 01 2 Remove the cover of the compressor wire terminals a A A Class 20 35 unit a Compressor wire terminals cover a A A Class 42 71 unit a Compressor wire terminals cover a a Compress...

Страница 55: ...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 Compressor is OK Return t...

Страница 56: ...455 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 jacket outer c Top insulati...

Страница 57: ...1 If needed remove any parts to create more space 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 t...

Страница 58: ...and W INFORMATION Note the position of the Faston 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...

Страница 59: ...ATXM25 50R FVXM25 50A Split New Perfera R32 ESIE20 11 2021 01 a a A A Class 20 35 unit a Compressor pipe a a A A Class 42 71 unit a Compressor pipe a a a Compressor pipe 7 Supply nitrogen to the refr...

Страница 60: ...ssor pipes using an oxygen acetylene torch and remove the compressor pipe ends 9 Stop the nitrogen supply when the piping has cooled down 10 Remove the all the nuts and remove the compressor from the...

Страница 61: ...compressor dampers may look different 12 Remove the bushings and keep them for re use 13 To install the compressor see Repair procedures 455 To install the compressor 1 Check the state of the dampers...

Страница 62: ...3 Remove the caps from the compression pipe and suction pipe CAUTION The oil in the compressor is hygroscopic Therefore remove the caps from the compressor pipes as late as possible 4 Supply nitrogen...

Страница 63: ...g the compressor pipes and the oil inside the compressor pipes will damage or destroy the compressor 6 After soldering is done stop the nitrogen supply after the component has cooled down 7 Install th...

Страница 64: ...71R ATXM25 50R FVXM25 50A Split New Perfera R32 ESIE20 11 2021 01 V U W U Wire terminal U V Wire terminal V W Wire terminal W 10 Install the cover of the compressor wire terminals a A A Class 20 35 un...

Страница 65: ...m solved Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next procedure 3 3 Compressor thermal protector 3 3 1 Checking procedures T...

Страница 66: ...VXM25 50A Split New Perfera R32 ESIE20 11 2021 01 a A A Class 20 35 unit a Compressor wire terminals cover a A A Class 42 71 unit a Compressor wire terminals cover a a Compressor wire terminals cover...

Страница 67: ...ightly above 123 C for Class 20 60 units or 133 C for Class 71 units compressor thermal protection trips at 117 123 C for Class 20 60 units and 127 133 C for Class 71 units 6 Disconnect the compressor...

Страница 68: ...rerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 14 Plate work 4151 Prerequisite Remove...

Страница 69: ...racket from the compressor housing a b c a Compressor thermal protector b Faston connector c Bracket 3 Disconnect the Faston connectors from the compressor thermal protector 4 Separate the compressor...

Страница 70: ...hermal protector on the compressor thermal protector bracket a b a Compressor thermal protector b Compressor thermal protector bracket 2 Connect the Faston connectors to the compressor thermal protect...

Страница 71: ...the compressor insulation see Repair procedures 455 Is the problem solved Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next proce...

Страница 72: ...2 15 13 14 13 15 14 15 Damper motor resistance measurements are correct Action Yes Return to the troubleshooting of the specific error and continue with the next procedure No Continue with the next s...

Страница 73: ...from the fixation bracket and pull the drain hose downwards to remove it from the indoor unit a c b c c d e e f g a Screw drain hose b Drain hose c Screw damper motor cover d Damper motor cover e Scr...

Страница 74: ...e 3 screw to fix damper motor covers 5 Connect the drain hose to the indoor unit 6 Install the drain hose fixation bracket Install and tighten the screw Is the problem solved Action Yes No further act...

Страница 75: ...OT apply force as this may damage the connector or connector pins of the PCB 2 Route the damper motor wiring harness through the harness retainers a c c c c b b c c d a Screw tie strap b Damper motor...

Страница 76: ...479 INFORMATION After the check remove the magnet from the expansion valve body and install the expansion valve coil on the expansion valve body Make sure that the expansion valve coil is firmly slid...

Страница 77: ...n 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 measured resistance co...

Страница 78: ...nce 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 sequence you may be...

Страница 79: ...equisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 14 Plate work 4151 1 If needed remove any parts or insulation to create more space for the removal 2...

Страница 80: ...otor harness 5 Disconnect the expansion valve motor connector from the main PCB 6 Pull up the expansion valve motor to remove it from the expansion valve body INFORMATION It may be needed to turn the...

Страница 81: ...ain PCB 9 Remove the expansion valve motor and harness from the unit 10 To install the expansion valve motor see Repair procedures 479 To remove the expansion valve body Prerequisite Recuperate the re...

Страница 82: ...INFORMATION The expansion valve and motor can have a different configuration layout 3 Remove the putty Keep for re use a b c A a a a A Class 20 35 unit a Putty b Expansion valve pipe c Expansion valv...

Страница 83: ...sion valve body see Repair procedures 479 To install the expansion valve body 1 Install the expansion valve body in the correct location and correctly oriented 2 Supply nitrogen to the refrigerant cir...

Страница 84: ...body a b c A A Class 42 71 unit a Putty b Expansion valve pipe c Expansion valve body 6 Reinstall the putty 7 To install the expansion valve motor see Repair procedures 479 8 Add refrigerant to the re...

Страница 85: ...ing new tie straps 5 Install the insulation cap on the expansion valve motor if applicable Is the problem solved Action Yes No further actions required No Return to Checking procedures 475 of the expa...

Страница 86: ...ressure switch Result The switch MUST be closed 5 Fill the refrigerant circuit with nitrogen until pressurized just above operating pressure of the high pressure switch 6 Measure the resistance betwee...

Страница 87: ...ircuit see Repair procedures 4209 1 If needed remove any parts to create more space for the removal of the high pressure switch 2 Remove the compressor insulation see Repair procedures 455 3 Disconnec...

Страница 88: ...connectors to the high pressure switch 6 Add refrigerant to the refrigerant circuit see Repair procedures 4209 7 Install the compressor insulation see Repair procedures 455 Is the problem solved Actio...

Страница 89: ...age MUST be 5 V DC Is the output voltage on the indoor unit main PCB correct Action Yes Replace the humidity sensor wiring harness see Repair procedures 489 No Perform a check of the indoor unit main...

Страница 90: ...y sensor PCB assembly b Tie strap thermistor fixation 4 To install the humidity sensor PCB assembly see Repair procedures 489 To install the humidity sensor 1 Click the humidity sensor PCB assembly on...

Страница 91: ...tor 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 h...

Страница 92: ...nect the DC fan motor connector from the appropriate PCB 3 Measure the resistance between the pins 1 2 1 3 and 2 3 of the DC fan motor connector Result All measurements MUST be approximately the same...

Страница 93: ...ber from the indoor unit 4 Remove the indoor unit fan motor from the indoor unit 5 To install the indoor unit fan motor see Repair procedures 492 To install the DC fan motor assembly 1 Install the ind...

Страница 94: ...A A Class 50 71 unit a Indoor unit fan motor cover 4 Install the switch box see 3 14 Plate work 4151 Is the problem solved Action Yes No further actions required No Return to the troubleshooting of th...

Страница 95: ...fan motor is correctly mounted on its base see Repair procedures 496 5 Check the state of the turbo fan assembly for damage deformations and cracks Is the turbo fan assembly damaged Action Yes Replace...

Страница 96: ...low 10 V DC before proceeding 7 Check that the DC fan motor connector is properly connected to the indoor unit main PCB 8 Unplug the DC fan motor connector and measure the resistance between the pins...

Страница 97: ...indoor unit 6 Route the damper motor wiring harness out of the harness retainers and remove the screw to disconnect the tie strap from the unit 7 Remove the 2 screws and remove the lower air outlet as...

Страница 98: ...indoor heat exchanger and remove the indoor unit heat exchanger 14 Remove the 4 screws and remove the bellmouth from the indoor unit a a a b c a d a Screw bellmouth b Bellmouth c Nut turbo fan assy d...

Страница 99: ...remove the fan motor cover 5 Unfasten the hooks and remove the wiring harness retainer 6 Route the DC fan motor wiring harness out of the hooks behind the harness retainer 7 Remove the DC fan motor as...

Страница 100: ...fix the ferrite core to the indoor unit 7 Install the turbo fan assembly see Repair procedures 496 To install the turbo fan assembly 1 Install the turbo fan assembly on the DC fan motor assembly CAUTI...

Страница 101: ...sing the screw a f d e b c e a Screw plate b Plate c Indoor unit heat exchanger d Piping fixture e Flared joint f Screw ground wire 9 Make sure that the refrigerant field piping connections are clean...

Страница 102: ...n bracket Install and tighten the screw 17 Install the upper air outlet assembly in the correct location Install and tighten the 2 screws 18 Install the switch box see 3 14 Plate work 4151 19 Perform...

Страница 103: ...e the voltage between the pins 1 4 of the connector S300A on the innndoor unit main PCB Result The measured voltage MUST be 324 V DC a A A Wall mounted indoor unit a Connector S300A a A A Floor standi...

Страница 104: ...er PCB see Checking procedures 4110 To check the HAP LED of the indoor unit main PCB INFORMATION HAP LED is ONLY available on the main PCB of the floor standing indoor units Prerequisite First perform...

Страница 105: ...f the indoor unit main PCB Prerequisite First perform all earlier checks of the indoor unit main PCB see Checking procedures 4102 Prerequisite Stop the unit operation via the user interface Prerequisi...

Страница 106: ...p the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 14 Plate work 4151 1 Disconnect all connectors from t...

Страница 107: ...b b a Indoor unit main PCB b PCB support 3 Remove the indoor unit main PCB from the indoor unit 4 To install the indoor unit main PCB see Repair procedures 4106 To install the indoor unit main PCB 1 I...

Страница 108: ...ce manual 108 RXM20 71R ARXM25 71R FTXM20 71R ATXM25 50R FVXM25 50A Split New Perfera R32 ESIE20 11 2021 01 a A A Wall mounted indoor unit a Indoor unit main PCB a A A Floor standing indoor unit a Ind...

Страница 109: ...o the indoor unit main PCB INFORMATION Use the wiring diagram and connection diagram for correct installation of the connectors see 6 2 Wiring diagram 4223 WARNING When reconnecting a connector to the...

Страница 110: ...recommended to perform the checks in the listed order To perform a power check of the indoor unit power PCB Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respe...

Страница 111: ...er supply to the indoor unit see Checking procedures 4202 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 indo...

Страница 112: ...turn to Checking procedures 4110 of the indoor unit power PCB and continue with the next procedure No Replace the indoor unit power PCB see Repair procedures 4115 To check if the correct spare part is...

Страница 113: ...ration via the user interface Prerequisite Turn OFF the respective circuit breaker 1 Check that all wires are properly connected and that all connectors are fully plugged in 2 Check that no connectors...

Страница 114: ...n the indoor unit power PCB Action Yes Replace the blown fuse see Repair procedures 4115 No Return to Checking procedures 4102 of the indoor unit power PCB and continue with the next procedure Problem...

Страница 115: ...indoor unit power supply terminal to the indoor unit power PCB see 6 2 Wiring diagram 4223 Is the problem solved Action Yes No further actions required No Return to Checking procedures 4102 of the ind...

Страница 116: ...r unit power PCB 3 Remove the indoor unit power PCB from the indoor unit 4 To install the indoor unit power PCB see Repair procedures 4115 To install the indoor unit power PCB 1 Install the indoor uni...

Страница 117: ...cting 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 Action Yes No fu...

Страница 118: ...ll mounted indoor unit a Fuse F1U a A A Floor standing indoor unit a Fuse F1U 2 To install a fuse on the indoor unit power PCB see Repair procedures 4115 To install a fuse on the indoor unit power PCB...

Страница 119: ...he problem solved Action Yes No further actions required No Return to Checking procedures 4102 of the indoor unit power PCB and continue with the next procedure 3 11 Intelligent eye sensor 3 11 1 Chec...

Страница 120: ...measured voltage MUST be 4 75 5 25 V DC a b a Control panel b Intelligent eye sensor connector CN Is the measured power supply voltage correct Action Yes Perform an electrical check of the intelligent...

Страница 121: ...C Is the measured voltage correct Action Yes Intelligent eye sensor is OK Return to troubleshooting of the specific error and continue with the next procedure No Continue with the next step 4 Again wa...

Страница 122: ...l from the indoor unit a b a Control panel b Intelligent eye sensor PCB 2 Disconnect the connector from the intelligent eye sensor PCB 3 Carefully click the complete intelligent eye sensor PCB out of...

Страница 123: ...e sensor wiring harness see Repair procedures 4122 To install the intelligent eye sensor wiring harness 1 Connect the wiring harness connector to the indoor unit main PCB WARNING When reconnecting a c...

Страница 124: ...ire Is the measured voltage on the PCB correct Action Yes Return to Checking procedures 4123 of the PCB and continue with the next procedure No Continue with the next step 3 Check the power supply to...

Страница 125: ...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 for the PCB install...

Страница 126: ...ing procedures 4123 of the main PCB and continue with the next procedure Prerequisite First perform all earlier main PCB checks see Checking procedures 4123 2 Measure the continuity of the fuse If no...

Страница 127: ...ocedures 4131 To perform a diode module check 1 First check the rectifier voltage of the main PCB see Checking procedures 4123 INFORMATION If the rectifier voltage is OK the diode module is OK If rect...

Страница 128: ...L 4 If the diode module is NOT OK replace the main PCB see Repair procedures 4131 To perform a power module check Prerequisite First check the rectifier voltage of the main PCB see Checking procedure...

Страница 129: ...B make sure to locally remove the protective varnish with the test leads of the multi meter VDC Com Ref VDC Com Ref U DC 0 501 V DC U O L V DC 0 501 V DC V O L W DC 0 501 V DC W O L DC U 0 501 V U DC...

Страница 130: ...meter VDC Com Ref VDC Com Ref U DC 0 475 V DC U O L V DC 0 475 V DC V O L W DC 0 475 V DC W O L DC U 0 475 V U DC O L DC V 0 475 V V DC O L DC W 0 475 V W DC O L Are the test results OK Action Yes Po...

Страница 131: ...er supply wires from X1M b Wire from X1M c Ground wiring d Connector X11A e Screw f Main PCB 2 Disconnect the wire from the terminal X1M and route the wire out of the ferrite core s 3 Remove the screw...

Страница 132: ...wire through the ferrite core s and connect it to the main power supply terminal X1M 8 Connect all other connectors to the main PCB INFORMATION Use the wiring diagram and connection diagram for corre...

Страница 133: ...correct Action Yes Return to Checking procedures 4132 of the PCB and continue with the next procedure No Continue with the next step 3 Check the power supply to the unit see Checking procedures 4202 D...

Страница 134: ...dicated in the webbank NOTICE Also check that the correct spare part is installed for the capacity adapter Is the correct spare part for the PCB installed Action Yes Return to Checking procedures 4132...

Страница 135: ...e F1U b Fuse F2U c Fuse F3U Blown fuse on the main PCB Action Yes Replace the main PCB see Repair procedures 4138 No Return to Checking procedures 4132 of the main PCB and continue with the next proce...

Страница 136: ...ON If the rectifier voltage is OK the diode module is OK If rectifier voltage is NOT OK replace the main PCB Below procedure describes how to check the diode module itself Prerequisite Stop the unit o...

Страница 137: ...e 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 the rectifier voltage is b...

Страница 138: ...troubleshooting of the specific error and continue with the next procedure Repair procedures To remove the main PCB Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF th...

Страница 139: ...in PCB see Repair procedures 4138 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...

Страница 140: ...13 Outdoor unit fan motor 3 13 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...

Страница 141: ...edures 4140 INFORMATION Check the DC fan motor power supply voltage circuit on the PCB 2 Turn ON the power of the unit 3 Activate Cooling or Heating operation via the user interface 4 Check the functi...

Страница 142: ...g axle MUST be 1000 M Are the measured resistance values correct Action Yes Perform a check of the main PCB see Checking procedures 4123 No Replace the DC fan motor see Repair procedures 4142 Problem...

Страница 143: ...fan motor assembly 1 Remove the propeller fan blade assembly from the DC fan motor assembly see Repair procedures 4142 DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes after the circuit break...

Страница 144: ...the DC fan motor harness 4 Attach the DC fan motor harness to the switch box 5 Install a new tie strap to fix the DC fan motor harness to the switch box 6 Connect the DC fan motor connector to the con...

Страница 145: ...echanical 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 pl...

Страница 146: ...l check of the DC fan motor assembly 1 First perform a mechanical check of the DC fan motor assembly see Checking procedures 4145 INFORMATION Check the DC fan motor power supply voltage circuit on the...

Страница 147: ...m the main PCB measure the voltage on the connector pins 4 7 fan motor power supply on the main PCB Result The voltage MUST be Unit Voltage Class 42 60 ARXM71R 200 390 V DC RXM71R 342 408 V DC 11 Meas...

Страница 148: ...king procedures 4132 No Replace the DC fan motor see Repair procedures 4148 Problem solved After all checking procedures listed above have been performed Is the problem solved Action Yes No further ac...

Страница 149: ...ss from the switch box 6 Slightly bend the harness retainers to detach the DC fan motor harness 7 Disconnect the DC fan motor connector from the main PCB 8 Cut the tie strap a b f e e c d a Tie strap...

Страница 150: ...fan motor harness through the harness retainers at the back of the fan motor bracket and bend the harness retainers to attach the DC fan motor harness 9 Attach the DC fan motor harness to the switch b...

Страница 151: ...4145 of the outdoor unit fan motor and continue with the next procedure 3 14 Plate work 3 14 1 Outdoor unit To remove the refrigerant connection cover DANGER RISK OF ELECTROCUTION DANGER RISK OF BURN...

Страница 152: ...NFORMATION This procedure is just an example and may differ on some details for your actual unit Prerequisite Remove the top plate see 3 14 Plate work 4151 1 Loosen and remove the screws that fix the...

Страница 153: ...2021 01 a 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...

Страница 154: ...e tie a b 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 14 Plate work 4151 To install the switch box INFORMATION This procedure is j...

Страница 155: ...ing 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 diagram for correct installati...

Страница 156: ...tion on the upper side of the switch box a b a Insulation b Main PCB 3 14 2 Indoor unit To remove the front panel DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes after the circuit breaker ha...

Страница 157: ...nd open it 2 Remove the front panel by sliding it to the left or the right and pulling it toward you Result The front panel shaft on 1 side will be disconnected 3 Disconnect the front panel shaft on t...

Страница 158: ...For class 50 71 remove the flap horizontal blade Push the blade on its left side to the centre and unhook it Push blade on its right side to centre to unhook it from shaft Disconnect the 2 centre con...

Страница 159: ...1 lower screw 3 Lift the sensor securing plate 4 Move the metal plate cover down and then towards you to remove it c b c b a 1 2 3 a Screw b Sensor securing plate c Metal plate cover 1 Open the termin...

Страница 160: ...art on the top of the cover 4 Unhook the tabs on the bottom and remove the electrical wiring box cover b a c c a Screw b Protruding part on the top of the cover c Tab To remove the switch box Wall mou...

Страница 161: ...c f b a d A e A Class 50 71 unit 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 Disconnect the connectors of th...

Страница 162: ...disconnect the grounding wire from the back side of the switch box 4 Remove the screw and remove the plate from the indoor unit heat exchanger to create access to the heat exchanger thermistor 5 Remo...

Страница 163: ...e front grille 3 For class 50 71 re install the lower flap horizontal blade Connect the 2 centre connection points Hook the right side of the blade to the shaft Hook the blade on its left side 4 Insta...

Страница 164: ...he slots and push them all the way in 2 Close the front panel slowly press at both sides and at the centre To install the switch box Wall mounted indoor units 1 install the switch box in the correct l...

Страница 165: ...and connect them to the indoor unit main PCB 3 Install and tighten the screw to secure the switch box 4 Install the heat exchanger thermistor in its holder 5 Attach the wiring harnesses to the switch...

Страница 166: ...and fix it to the indoor unit heat exchanger using the screw 8 Connect the power supply wiring to the power supply terminal X1M 9 Install the power supply wiring bracket Install and tighten the screw...

Страница 167: ...follows Measuring points Resistance c 24 36 m d 68 102 m c c c c a b d d d d a L803 b L804 c Measuring point d Measuring point Is the resistance measurement correct Action Yes Proceed with the next s...

Страница 168: ...B a b a Reactor L803 b Reactor L804 2 Remove the main PCB see Repair procedures 4 138 The reactor measuring points are ONLY reachable on the back side of the main PCB 3 Measure the resistance of the r...

Страница 169: ...inductance measurement correct Action Yes Return to the troubleshooting of the specific error and continue with the next step No Replace the reactor see Repair procedures 4169 3 15 2 Repair procedure...

Страница 170: ...eamer unit Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 14 Plate work 4151 1 Disco...

Страница 171: ...ect location on the indoor unit b a A A Wall mounted indoor unit a Streamer unit connector b Streamer unit b a A A Floor standing indoor unit a Streamer unit connector b Streamer unit 2 Connect the st...

Страница 172: ...table below Pins Measured resistance 5 1 232 5 267 5 5 2 5 3 5 4 1 2 465 535 1 3 1 4 2 3 2 4 3 4 Swing flap motor resistance measurements are correct Action Yes Return to the troubleshooting of the s...

Страница 173: ...cedures 4172 To install the swing flap motor 1 Install the coupling piece on the swing flap motor 2 Install the swing flap motor in the correct location on the indoor unit b a c d a Swing flap b Screw...

Страница 174: ...1 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 shown in the t...

Страница 175: ...n via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 14 Plate work 4151 1 Remove the switch box see 3 14 Plate work 4151 2 Re...

Страница 176: ...main swing flap in the indoor unit by clicking it on 6 Install the switch box see 3 14 Plate work 4151 Is the problem solved Action Yes No further actions required No Return to the troubleshooting of...

Страница 177: ...arness see Repair procedures 4199 To install the swing flap motor wiring harness 1 Connect the wiring harness connector to the swing raster motor 2 Install the swing raster motor cover a b c a Screw d...

Страница 178: ...t main PCB 2 Measure the resistance between the following pins of the motor connector Result The measurements MUST be as shown in the table below Pins Measured resistance 1 2 353 4 406 6 1 3 1 4 1 5 2...

Страница 179: ...operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 14 Plate work 4151 1 Remove the switch box see 3 14 Plate work 4...

Страница 180: ...ved Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next procedure To remove the swing flap motor wiring harness Prerequisite Stop t...

Страница 181: ...ork 4151 1 Disconnect the swing raster 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 shown...

Страница 182: ...82 No Replace the swing raster motor see Repair procedures 4182 3 18 2 Repair procedures To remove the swing raster motor Class 20 42 indoor unit Prerequisite Stop the unit operation via the user inte...

Страница 183: ...d 5 Remove the fan guard 6 Disconnect the swing raster motor rod from the swing raster shaft 7 Remove the swing raster motor assembly from the indoor unit 8 Disconnect the rod and link from the swing...

Страница 184: ...the drain hose 3 Remove the screw from the fixation bracket and pull the drain hose downwards to remove it from the indoor unit a b a Screw drain hose b Drain hose 4 Remove the swing raster motor cove...

Страница 185: ...raster motor Class 20 42 indoor unit 1 Connect the wiring harness to the swing raster motor 2 Install the swing raster motor on the correct location on the bracket b a c d c a Rod b Link c Screw swin...

Страница 186: ...Connect the swing raster motor rod to the swing raster shaft using soft tools 9 Tighten the 2 screws to properly fix the swing raster motor assembly 10 Install the fan guard 11 Connect the drain hose...

Страница 187: ...sure that the teeth of the rod are properly fitted on the gear 5 Install and tighten the 2 screws to fix the swing raster motor to the bracket 6 Install the swing raster motor assembly on the correct...

Страница 188: ...tor remove the swing flap motor see Repair procedures 4172 For Class 50 71 indoor units As the swing raster motor wiring harness is the same harness as the swing flap motor wiring harness remove the s...

Страница 189: ...tor correctly installed thermal contact between the thermistor and the piping Action Yes Perform an electrical check of the specific thermistor see Checking procedures 4189 No Correctly install the th...

Страница 190: ...oom thermistor R1T Display PCB A3P on main PCB I U S800 5 11 S27 1 2 on display PCB B Heat exchanger thermistor R2T Main I U S501 1 2 A Floor standing indoor units Name Symbol Location PCB Connector p...

Страница 191: ...17 85 49 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...

Страница 192: ...tance value 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...

Страница 193: ...hermistor Indoor unit air room thermistor WALL MOUNTED INDOOR UINTS As the indoor unit air room thermistor is located on the display PCB remove the display PCB as described in the steps below Prerequi...

Страница 194: ...that needs to be removed 7 Remove the thermistor from the thermistor holder as follows For outdoor unit air ambient thermistor Open the thermistor holder and remove the thermistor from the holder For...

Страница 195: ...from the appropriate PCB Remove the complete set of thermistors 11 To install the thermistor see Repair procedures 4193 To install the thermistor Indoor unit air room thermistor WALL MOUNTED INDOOR U...

Страница 196: ...sition blocking the thermistor c a b e d f f a Clip b Thermistor c Thermistor holder d Insulation e Thermistor wire f Tie strap 6 Route the thermistor harness towards the appropriate PCB 7 Connect the...

Страница 197: ...tion and the thermistor wire using new tie straps Is the problem solved Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next procedu...

Страница 198: ...asure the output voltage between between the pins 4 5 on the connector S801 on the indoor unit main PCB Result The measured voltage MUST be 10 16 V DC Is the output voltage on the indoor unit main PCB...

Страница 199: ...e the wifi control PCB Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 3 14 Plate work...

Страница 200: ...CB 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 remove the wifi control PCB wiri...

Страница 201: ...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 conne...

Страница 202: ...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 speci...

Страница 203: ...ust the power supply see Repair procedures 4203 To check the wiring between the outdoor unit and the indoor unit 1 Check that all wires are properly connected and that all connectors are fully plugged...

Страница 204: ...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 correct the wiring betwee...

Страница 205: ...p the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker 1 Wait for the refrigerant to reach the outdoor temperature 2 Connect a manometer to the service port 3...

Страница 206: ...itions Refer to the procedures shown below for correct examination Refrigerant overcharge diagnosis 1 High pressure rises Consequently overload control is conducted to cause insufficient cooling capac...

Страница 207: ...perheated degree of suction gas rises Consequently the electronic expansion valve turns open more than normal or completely open for average output 3 Low pressure drops to cause the unit not to reach...

Страница 208: ...edure No Add or recuperate refrigerant until correctly charged see Repair procedures 4209 To check for non condensables in the refrigerant circuit Prerequisite Stop the unit operation via the user int...

Страница 209: ...orm with the regulations Adjust as needed See installation manual for field piping specifications Is the problem solved Action Yes No further actions required No Return to the troubleshooting of the s...

Страница 210: ...and continue with the next procedure To recuperate the refrigerant Prerequisite Stop the unit operation via the user interface 1 Manually open all expansion valves 2 Connect the vacuum pump manifold r...

Страница 211: ...ast 1 hour Connect the unit according to the available service ports Use related field setting where necessary to open expansion valve solenoid valve To perform refrigerant pump down operation The uni...

Страница 212: ...a flare gauge Make sure no particles remain in the piping Apply just a drop of refrigerant oil on the inner surface of the flare Make sure the flare connection is tightened with the correct torque tor...

Страница 213: ...solved Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next procedure To check the required space around the outdoor unit heat exch...

Страница 214: ...er 1 Straighten the hair fins 2 Clear the indoor unit heat exchanger from dust using a fin comb or compressed air N2 CAUTION Avoid bending or damaging the hair fins of the indoor unit heat exchanger d...

Страница 215: ...h as motors may cause failure smoke or ignition NOTICE Do NOT use gasoline benzene thinner polishing powder or liquid insecticide Possible consequence Discoloration and deformation Do NOT use water or...

Страница 216: ...peels off You can remove the front panel to clean it CAUTION Be careful when opening and handling the front panel sharp edge of the front panel may cause injury 1 Slide both sliders in the direction...

Страница 217: ...the claws on the bottom d d d c b a a a Tabs for claws on the side b Filter knob c Tab for the claw on the top d Tabs for claws on the bottom 3 Remove both titanium apatite deodorising filters from t...

Страница 218: ...in all positions d d c b a a a Tabs for claws on the side b Filter knob c Tab for the claw on the top d Tabs for claws on the bottom 7 Install the front panel see 3 14 Plate work 4151 Wall mounted uni...

Страница 219: ...al detergent diluted in lukewarm water Dry the air filters in the shade It is recommended to clean the air filters every 2 weeks Is the problem solved Action Yes No further actions required No Return...

Страница 220: ...lter for 10 to 15 minutes in warm water Note class 50 71 Do NOT remove the filter from the frame Class 15 42 Class 50 71 4 After washing shake off remaining water and dry the filter in the shade Do NO...

Страница 221: ...o NOT throw away the filter frame but use it again Dispose of the old filter as non flammable waste To order titanium apatite deodorising filter and the silver allergen removal air purifying filter co...

Страница 222: ...6 1 1 Detailed 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 ref...

Страница 223: ...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 Term...

Страница 224: ...PM 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 MRN Magnet...

Страница 225: ...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 T R Transformer...

Страница 226: ...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 BLK BLK BLK BLK...

Страница 227: ...A 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 BLK BLK BLK BLK BLK...

Страница 228: ...5 MSW S401 M1S S21 S16 1 4 1 5 1 S900 S950 A4P 1 4 BLK BLK BLK 1 4 S901 BLK A1P S603 1 4 S902 1 3 BLK BLK BLK BLK 5 1 S801 A6P CN201 5 1 4 1 4 1 H2O R3T t A5P S1RH S103 S300A 1 TC V1R S102 S301B S101...

Страница 229: ...Circuit breaker Protective earth Connection Protective earth screw Connector A Rectifier Earth Relay connector Field wiring Short circuit connector Fuse Terminal INDOOR Indoor unit Terminal strip OUTD...

Страница 230: ...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 MRN Magnetic relay N Neu...

Страница 231: ...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 T R Transformer TC TRC Tr...

Страница 232: ...or S90 R1T R2T R3T BLK BLK BLK BLK BLK BLK t V150 DB1 IPM1 A1P t t S30 1 3 W V U IPM2 L F4U 30A BRN BRN BLK X11A BLK BLK BLK S50 2 1 MR30_B MR30_A MR4 Z3C t t 6 1 3 1 1 2 RXM42R INFORMATION The diagra...

Страница 233: ...U3 30A U V2 U V3 SA1 HL1 HN1 S GRN Z2C N 4 GRN E1 E2 Outdoor PCB Wiring diagram For the power requirements refer to the nameplate Outdoor Condenser Discharge MRCW MR30_B MR30_A MR30 7 1 S2 BRN BRN BLK...

Страница 234: ...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 can also be found in the technical data book a b c d...

Страница 235: ...al 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 9 5 CuT 6 4 CuT e...

Страница 236: ...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 12 7 CuT 6 4 CuT a...

Страница 237: ...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 6 4 CuT 15 9 CuT a Field...

Страница 238: ...8 CuT 4 8 CuT 6 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 7 9 CuT 7 9 CuT 9 5 CuT 9 5 CuT 9 5 CuT 9 5 CuT 9 5 CuT 9 5 CuT 9 5 CuT 4 0 x ID 2 0 CuT e f R2T e Y1E e c a b d h h g M1C R3T h Y1S R1T M1F a Field pipi...

Страница 239: ...0 CuT 12 7 CuT 12 7 CuT 12 7 CuT 12 7 CuT 6 4 CuT 9 5 CuT 6 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 4 0 CuT 4 0 CuT 4 0 CuT 9 5 CuT 6 4 CuT 9 5 CuT 9 5 CuT 9 5 CuT f g i i a Field piping liquid 6 4 mm flare con...

Страница 240: ...0 CuT 7 0 CuT 12 7 CuT 12 7 CuT 12 7 CuT 12 7 CuT 12 7 CuT 6 4 CuT 9 5 CuT 6 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 4 0 CuT 4 0 CuT 4 0 CuT 9 5 CuT 6 4 CuT 9 5 CuT 9 5 CuT 12 7 CuT a Field piping liquid 6 4 m...

Страница 241: ...T 7 0 CuT 12 7 CuT 12 7 CuT 12 7 CuT 12 7 CuT 4 0 CuT 4 0 CuT 6 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 7 0 CuT 7 0 CuT 4 0 CuT 15 9 CuT 9 5 CuT 12 7 CuT 15 9 CuT 6 4 CuT 9 5 CuT h a Field piping liquid 6 4 mm...

Страница 242: ...r unit RXM20 35R ARXM25 35R i j k l m o p a b c d e f g n h a Air thermistor R1T i Main PCB A1P b Heat exchanger j Power supply terminal X1M c Heat exchanger thermistor R2T k Expansion valve Y1E d Muf...

Страница 243: ...i l n m m a Air thermistor R1T j Main PCB A1P b Heat exchanger k Power supply terminal X1M c Heat exchanger thermistor R2T l Muffler d Liquid receiver m Expansion valve Y1E e Stop valve with service p...

Страница 244: ...d indoor unit FTXM20 42R ATXM25 35R 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 thermisto...

Страница 245: ...FTXM50 71R ATXM50R 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 k Indoor unit fan m...

Страница 246: ...FVXM A d h k p a c n o b e g i m l f j a Heat exchanger i Switch box b Streamer unit j Service PCB A4P c Swing flap k Indoor unit power PCB A2P d Upper air outlet assembly l Humidity sensor PCB A5P e...

Страница 247: ...6 Technical data Service manual 247 RXM20 71R ARXM25 71R FTXM20 71R ATXM25 50R FVXM25 50A Split New Perfera R32 ESIE20 11 2021 01 6 5 Field information report See next page...

Страница 248: ...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 249: ...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 250: ...available service tools check the Business Portal http www mydaikin eu 2 Go to the tab After sales support on the left navigation pane and select Technical support 3 Click the button Service tools An...

Страница 251: ...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 252: ...ss 6 Select 4 7 Press to confirm 8 Press 9 Select 0 0 fan ON 1 fan OFF 10 Press to confirm Floor standing units 1 On the home screen press for at least 2 seconds Result The selection menu number appea...

Страница 253: ...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 fan ON 1 fan OFF 10 Press to confir...

Страница 254: ......

Страница 255: ......

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