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Troubleshooting

Service manual

RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02

3.4.1 To perform a test run using the user interface

Floor standing units

Press

to switch the system on.

Press the middle of and

simultaneously.

Press

twice to choose and confirm selection by pressing

Result:

on the display indicates that the test run is selected. Test run operation

will stop automatically after about 30 minutes.

To stop operation sooner, press the ON/OFF button.

Wall mounted units

Press

to switch the system on.

Press and

simultaneously.

Press

, select and press

Result:

Test run operation will stop automatically after about 30 minutes.

To stop operation sooner, press

3.5 Error based troubleshooting

3.5.1 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

INFORMATION

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

Check for improper combination of the indoor unit and the outdoor unit. See
the combination table in the Databook for more information.

Perform a check of the power supply, connections, wiring,… between the
outdoor unit and the indoor unit. See

"5.1 Electrical circuit"

[

205].

Possible cause:

Faulty wiring between the outdoor unit and the indoor unit.

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

Possible cause:

▪

Faulty or disturbance of the power supply (power supply MUST be within
range of nominal operating voltage ±4%),

▪

Power drop,

▪

Short circuit.

Perform a check of the indoor unit main PCB. See

"4.9 Indoor unit main

PCB"

[

106].

Possible cause:

Faulty indoor unit main PCB.

Содержание Perfera RXM20R

Страница 1: ...Service manual Split New Perfera R32 RXM20 71R 9 ARXM25 71R 9 FTXM20 71R ATXM25 50R FVXM25 50A...

Страница 2: ...is 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 serv...

Страница 3: ...0 11A See below April 2021 The following updates have been applied to the Service Manual Outdoor unit models RXM R9 and ARXM R9 added Technical data Field settings To reduce maximum sound levels added...

Страница 4: ...shutdown due to compressor internal temperature abnormality 29 3 5 18 H0 00 Outdoor unit Voltage current sensor problem 29 3 5 19 H3 00 Outdoor unit Malfunction of high pressure switch 30 3 5 20 H6 00...

Страница 5: ...11 Intelligent eye sensor 121 4 11 1 Checking procedures 121 4 11 2 Repair procedures 124 4 12 Main PCB 125 4 12 1 Class 20 35 units 125 4 12 2 Class 42 71 units 135 4 13 Outdoor unit fan motor 143 4...

Страница 6: ...information setting mode Indoor unit 225 7 1 2 Detailed information setting mode Outdoor unit 225 7 1 3 Detailed information setting mode Remote controller 225 7 2 Wiring diagram 226 7 2 1 Wiring dia...

Страница 7: ...tructions 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 obtaining service In Europe...

Страница 8: ...he 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 For the location of th...

Страница 9: ...f 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 on the refrigerating...

Страница 10: ...cylinders WARNING Take sufficient precautions in case of refrigerant leakage If refrigerant gas leaks ventilate the area immediately Possible risks Excessive refrigerant concentrations in a closed ro...

Страница 11: ...OT 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 complies with the applicab...

Страница 12: ...ST 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 with the equipment and...

Страница 13: ...en 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 overfill the refrigera...

Страница 14: ...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 directive 2020 2184 Check th...

Страница 15: ...nce 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...

Страница 16: ...ror 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 Prerequisite Power supply MUST be in the speci...

Страница 17: ...ting 3 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 INFORMATION It is recomm...

Страница 18: ...r code 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 5 3 External factors 4215 Possible cause Airflow...

Страница 19: ...PCB 2 Perform a check of the indoor unit fan motor See 4 8 Indoor unit fan motor 496 Possible cause Faulty indoor unit fan motor INFORMATION If all procedures listed above have been performed and the...

Страница 20: ...main PCB 4106 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 3 5 6 C9 00 Room thermisto...

Страница 21: ...hat 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 in the listed order 1 Perform a...

Страница 22: ...d pressure above high pressure switch operating point Unit will stop operating Manual reset via user interface High pressure control measured pressure just below high pressure switch operating point o...

Страница 23: ...rcuit 4207 Possible cause Closed stop valve in the refrigerant circuit 2 Perform a check of the discharge pipe thermistor See 4 19 Thermistors 4192 Possible cause Faulty discharge pipe thermistor or c...

Страница 24: ...tor or connector fault 2 Check that all stop valves of the refrigerant circuit are open See 5 2 Refrigerant circuit 4207 Possible cause Closed stop valve in the refrigerant circuit 3 Check if the refr...

Страница 25: ...or See 4 13 Outdoor unit fan motor 4143 Possible cause Faulty outdoor unit fan motor 2 Perform a check of the main PCB See 4 12 Main PCB 4125 Possible cause Faulty main PCB INFORMATION If all procedur...

Страница 26: ...ting Manual reset via user interface To solve the error code INFORMATION It is recommended to perform the checks in the listed order 1 Perform a check of the 4 way valve See 4 1 4 way valve 449 Possib...

Страница 27: ...isted order 1 Check that all stop valves of the refrigerant circuit are open See 5 2 Refrigerant circuit 4207 Possible cause Closed stop valve in the refrigerant circuit 2 Check if the refrigerant cir...

Страница 28: ...rcuit 3 Perform a check of the heat exchanger thermistor See 4 19 Thermistors 4192 Possible cause Faulty heat exchanger thermistor 4 Perform a check of the expansion valve See 4 5 Expansion valve 481...

Страница 29: ...humidity in the refrigerant circuit See 5 2 Refrigerant circuit 4207 Possible cause Non condensables and or humidity in the refrigerant circuit 4 Check if the refrigerant circuit is clogged See 5 2 Re...

Страница 30: ...st 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 contact the h...

Страница 31: ...erform a check of the main PCB See 4 12 Main PCB 4125 Possible cause Faulty main PCB 3 Check that all stop valves of the refrigerant circuit are open See 5 2 Refrigerant circuit 4207 Possible cause Cl...

Страница 32: ...ssor See 4 2 Compressor 457 Possible cause Faulty compressor or miswiring of the compressor power supply cable 3 Perform a check of the reactor See 4 15 Reactor 4169 Possible cause Faulty reactor INFO...

Страница 33: ...d above have been performed and the problem is still present contact the helpdesk 3 5 24 J6 00 Outdoor unit Malfunction of heat exchanger thermistor Trigger Effect Reset Outdoor heat exchanger thermis...

Страница 34: ...ce 4217 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 26 L4 00 Outdoor unit Malfu...

Страница 35: ...he 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 checks in the listed orde...

Страница 36: ...ontact 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 been performed and the pr...

Страница 37: ...rant circuit 4207 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 compressor or miswiring of...

Страница 38: ...age Momentary power failure 6 Perform a check of the indoor unit main PCB See 4 9 Indoor unit main PCB 4106 Possible cause Faulty indoor unit main PCB 7 Perform a check of the indoor unit power PCB Se...

Страница 39: ...e Turn OFF the respective circuit breaker 7 Wait until the rectifier voltage is below 10 V DC DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes after the circuit breaker has been turned OFF to...

Страница 40: ...n performed and the problem is still present contact the helpdesk 3 5 33 UH 00 Malfunction of system Trigger Effect Reset In case of connection with multi indoor units when error UA U0 or A5 occurs in...

Страница 41: ...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 remote controller indica...

Страница 42: ...ld 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...

Страница 43: ...ere 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 ins...

Страница 44: ...enter 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 an...

Страница 45: ...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 operates by noise vibration I...

Страница 46: ...nsulation 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 microprocessor is not work...

Страница 47: ...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 Check the outdoor PCB...

Страница 48: ...ge 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 a...

Страница 49: ...gized 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 and not visually damag...

Страница 50: ...ass 42 71 220 240 V AC 5 De activate Heating and activate Cooling operation via the user interface 6 Measure the voltage on the 4 way valve connection on the PCB Result The measured voltage MUST be Cl...

Страница 51: ...hecking procedures 449 When outdoor temperature is mild and unit can switch between heating and cooling INFORMATION This procedure is ONLY possible when the outdoor temperature is within the temperatu...

Страница 52: ...emperature range for one of the operation 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 P...

Страница 53: ...ts 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 w...

Страница 54: ...way valve pipes Heat the brazing points of the 4 way valve pipes using an oxygen acetylene torch and remove the 4 way valve pipes from the refrigerant pipes using pliers a b a c A A Class 20 35 unit...

Страница 55: ...clean 2 Remove the 4 way valve coil from the spare part 4 way valve body 3 Install the 4 way valve body in the correct location and correctly oriented Insert the pipe ends in the pipe expansions 4 Sup...

Страница 56: ...pair procedures 453 9 Perform a pressure test see 5 2 1 Checking procedures 4207 10 Add refrigerant to the refrigerant circuit see 5 2 2 Repair procedures 4212 To install the 4 way valve coil 1 Instal...

Страница 57: ...r Prerequisite Remove the required plate work see 4 14 Plate work 4153 1 Open the compressor insulation 2 Turn ON the power using the respective circuit breaker 3 Start the unit operation via the user...

Страница 58: ...isite 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 minutes after the circuit breaker has been turned OF...

Страница 59: ...ers see 4 2 2 Repair procedures 463 To perform 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...

Страница 60: ...each other If the measured resistance is NOT 0 this value MUST be subtracted from the measured winding resistance 4 Measure the resistance between the compressor motor windings U V V W and U W Result...

Страница 61: ...condition to operate the compressor 12 Once the compressor operates measure the U V W inverter voltages ALWAYS measure at the PCB side Result All measurements MUST be the same Inverter voltage measure...

Страница 62: ...terface 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 minutes after the circuit breaker has...

Страница 63: ...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 64: ...dures 463 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 ins...

Страница 65: ...TROCUTION Wait for at least 10 minutes after the circuit breaker has been turned OFF to be sure the rectifier voltage is below 10 V DC before proceeding 2 Remove the cover of the compressor wire termi...

Страница 66: ...compressor thermal protector 474 5 Remove the putty from the compressor accumulator Keep for reuse 6 Supply nitrogen to the refrigerant circuit The nitrogen pressure MUST NOT exceed 0 02 MPa 7 Wrap a...

Страница 67: ...n the piping has cooled down 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 heatin...

Страница 68: ...e compressor see 4 2 2 Repair procedures 463 To install the compressor 1 Check the state of the dampers Replace if worn 2 Install the 3 dampers in the correct location on the unit 3 Remove the plugs o...

Страница 69: ...mpressor c Damper b a c a c A A Class 42 71 unit a Nut b Compressor c Damper INFORMATION The compressor dampers may look different 7 Supply nitrogen to the refrigerant circuit The nitrogen pressure MU...

Страница 70: ...N Overheating the compressor pipes and the oil inside the compressor pipes will damage or destroy the compressor 9 After soldering is done stop the nitrogen supply after the component has cooled down...

Страница 71: ...71R ATXM25 50R FVXM25 50A Split New Perfera R32 ESIE20 11B 2022 02 V U W U Wire terminal U V Wire terminal V W Wire terminal W 13 Install the cover of the compressor wire terminals a A A Class 20 35...

Страница 72: ...d Action Yes No further actions required No Return to the troubleshooting of the specific error and continue with the next procedure 4 3 Compressor thermal protector 4 3 1 Checking procedures To perfo...

Страница 73: ...ow 85 C 4 Disconnect the Faston connectors from the compressor thermal protection INFORMATION Make sure that the wiring between the compressor thermal protector and the connector on the PCB is properl...

Страница 74: ...t the correct temperature Action Yes Return to the troubleshooting of the specific error and continue with the next procedure No Replace the compressor thermal protector see 4 3 2 Repair procedures 47...

Страница 75: ...2 Remove the compressor thermal protector with bracket from the compressor housing a b c a Compressor thermal protector b Faston connector c Bracket 3 Disconnect the Faston connectors from the compre...

Страница 76: ...thermal protector 1 Install the compressor thermal protector on the compressor thermal protector bracket a b a Compressor thermal protector b Compressor thermal protector bracket 2 Connect the Faston...

Страница 77: ...the compressor insulation 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 4 Damper motor 4 4...

Страница 78: ...5 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 step...

Страница 79: ...rew 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...

Страница 80: ...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 81: ...o NOT 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 mot...

Страница 82: ...t over the expansion valve body and gently rotate the magnet clockwise counterclockwise to manually close open the expansion valve Listen to check if the valve is closing opening and manually close th...

Страница 83: ...nector Connector pin 1 6 Connector pin 2 6 Connector pin 3 6 Connector pin 4 6 a a Connector 3 Check the insulation resistance of the coil by measuring the resistance between the pins of each phase 1...

Страница 84: ...mand the expansion valve to open when closed or to close when open pulse output to expansion valve visible on service monitoring tool INFORMATION If the PCB does NOT command the expansion valve to ope...

Страница 85: ...he specific error and continue with the next procedure 4 5 2 Repair procedures To remove the expansion valve coil Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the...

Страница 86: ...Remove the expansion valve coil and harness from the unit 6 To install the expansion valve coil see 4 5 2 Repair procedures 485 To remove the expansion valve body Prerequisite Recuperate the refrigera...

Страница 87: ...pipe end s from the refrigerant pipes by heating the brazing point s of the component pipe s using an oxygen acetylene torch 8 Install plugs or caps on the open pipe ends of the refrigerant piping to...

Страница 88: ...Expansion valve pipe c Expansion valve body 8 Reinstall the putty 9 To install the expansion valve coil see 4 5 2 Repair procedures 485 10 Perform a pressure test see 5 2 1 Checking procedures 4207 11...

Страница 89: ...ew tie straps 5 Install the insulation cap on the expansion valve coil if applicable Is the problem solved Action Yes No further actions required No Return to 4 5 1 Checking procedures 481 of the expa...

Страница 90: ...e high pressure 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 resistanc...

Страница 91: ...equisite Recuperate the refrigerant from the refrigerant circuit see 5 2 2 Repair procedures 4212 1 If needed remove any parts to create more space for the removal of the high pressure switch 2 Remove...

Страница 92: ...all the high pressure switch in the correct location 3 Supply nitrogen to the refrigerant circuit The nitrogen pressure MUST NOT exceed 0 02 MPa 4 Wrap a wet rag around the high pressure switch and an...

Страница 93: ...ker 1 Remove the required plate work see 4 14 Plate work 4153 2 Turn ON the power of the unit 3 Measure the power supply voltage between the pins 1 4 on the humidity sensor connector CN Result The mea...

Страница 94: ...es No further actions required No Replace the humidity sensor see 4 7 2 Repair procedures 494 4 7 2 Repair procedures To remove the humidity sensor Prerequisite Stop the unit operation via the user in...

Страница 95: ...k see 4 14 Plate work 4153 1 Disconnect the wiring harness from the humidity sensor PCB 2 Disconnect the wiring harness connector from the indoor unit main PCB 3 Cut all tie straps if any that fix the...

Страница 96: ...eeded 2 Check that the fan is correctly installed on the DC fan motor Correct as needed 3 Manually rotate the fan and check the friction of the DC fan motor shaft bearing Is the DC fan motor shaft fri...

Страница 97: ...ation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 4 14 Plate work 4153 1 Remove the switch box see 4 14 Plate work 4153...

Страница 98: ...correct location on the fan 2 Install the rubber in front of the fan motor 3 Click the indoor unit fan motor cover on the indoor unit If removed install and tighten the screw on the right hand side o...

Страница 99: ...c a Swing flap b Air outlet protection net c Turbo fan 3 Slowly rotate the turbo fan using a long length tool 4 If the turbo fan touches the bellmounth check if the fan motor is correctly mounted on i...

Страница 100: ...unit via the user interface 6 Turn OFF the respective circuit breaker DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes after the circuit breaker has been turned OFF to be sure the rectifier v...

Страница 101: ...tor wiring harness e Screw tie strap f Screw lower air outlet assy g Lower air outlet assy 4 Put a small drain pan or container under the drain hose 5 Remove the screw from the fixation bracket and pu...

Страница 102: ...ire from the indoor unit heat exchanger 12 Unfasten the 2 hooks on the left side of the indoor heat exchanger a b a c b a Hook left side b Hook right side c Indoor unit heat exchanger 13 Unfasten the...

Страница 103: ...r e Fan motor cover f Wiring harness retainer 3 Route the DC fan motor wiring harness out of the hooks 4 Remove the 3 screws and remove the fan motor cover 5 Unfasten the hooks and remove the wiring h...

Страница 104: ...e the wiring harness is also routed through the hooks located behind the harness retainer 5 Lock the ferrite core on the DC fan motor wiring harness 6 Install a new tie strap to fix the ferrite core t...

Страница 105: ...heat exchanger 7 Carefully move the indoor unit heat exchanger to the correct position and install it on the 2 hooks on the left side 8 Connect the ground wire to the indoor unit heat exchanger using...

Страница 106: ...nit 15 Connect the drain hose to the lower air outlet assembly 16 Install the drain hose fixation bracket Install and tighten the screw 17 Install the upper air outlet assembly in the correct location...

Страница 107: ...te Remove the required plate work see 4 14 Plate work 4153 1 Turn ON the power of the unit 2 Measure the voltage between the pins 1 4 of the connector S300A on the indoor unit main PCB Result The meas...

Страница 108: ...rect Action Yes Correct the wiring between the indoor unit main PCB and indoor unit power PCB see 5 1 2 Repair procedures 4206 No Perform a check of the indoor unit power PCB see 4 10 1 Checking proce...

Страница 109: ...installed Action Yes Return to 4 9 1 Checking procedures 4106 of the indoor unit main PCB and continue with the next procedure No Replace the indoor unit main PCB see 4 9 2 Repair procedures 4110 To c...

Страница 110: ...To remove the indoor unit main PCB Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 4 14...

Страница 111: ...e the PCB is correctly fixed by the PCB retainers a A A Wall mounted indoor unit a Indoor unit main PCB a A A Floor standing indoor unit a Indoor unit main PCB 2 Connect all connectors to the indoor u...

Страница 112: ...res INFORMATION It is 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 Prerequisi...

Страница 113: ...ly to the indoor unit see 5 1 1 Checking procedures 4205 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 indoo...

Страница 114: ...4 10 1 Checking procedures 4112 of the indoor unit power PCB and continue with the next procedure No Replace the indoor unit power PCB see 4 10 2 Repair procedures 4117 To check if the correct spare p...

Страница 115: ...nit operation 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 con...

Страница 116: ...e indoor unit power PCB Action Yes Replace the blown fuse see 4 10 2 Repair procedures 4117 No Return to 4 9 1 Checking procedures 4106 of the indoor unit power PCB and continue with the next procedur...

Страница 117: ...indoor unit power supply terminal to the indoor unit power PCB see 7 2 Wiring diagram 4226 Is the problem solved Action Yes No further actions required No Return to 4 9 1 Checking procedures 4106 of t...

Страница 118: ...unit power PCB 3 Remove the indoor unit power PCB from the indoor unit 4 To install the indoor unit power PCB see 4 10 2 Repair procedures 4117 To install the indoor unit power PCB 1 Install the indo...

Страница 119: ...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 120: ...l 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 4 10 2 Repair procedures 4117 To install a fuse on the indoor unit pow...

Страница 121: ...unit a Fuse F1U a A A Floor standing indoor unit a Fuse F1U Is the problem solved Action Yes No further actions required No Return to 4 9 1 Checking procedures 4106 of the indoor unit power PCB and co...

Страница 122: ...tor CN Is the measured power supply voltage correct Action Yes Perform an electrical check of the intelligent eye sensor see 4 11 1 Checking procedures 4121 No Continue with the next step 5 Measure th...

Страница 123: ...lligent 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 wave your hand in front of the left side when facin...

Страница 124: ...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 t...

Страница 125: ...sensor wiring harness see 4 11 2 Repair procedures 4124 To install the intelligent eye sensor wiring harness 1 Connect the wiring harness connector to the indoor unit main PCB WARNING When reconnecti...

Страница 126: ...Is the measured voltage on the PCB correct Action Yes Return to Checking procedures 4125 of the PCB and continue with the next procedure No Continue with the next step 3 Check the power supply to the...

Страница 127: ...rt 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 inst...

Страница 128: ...continuity of the fuse If no continuity is measured the fuse has blown a b a Fuse F1U b Fuse F2U Blown fuse on the main PCB Action Yes Replace the main PCB see Repair procedures 4133 No Return to Chec...

Страница 129: ...procedures 4133 To perform a diode module check 1 First check the rectifier voltage of the main PCB see Checking procedures 4125 INFORMATION If the rectifier voltage is OK the diode module is OK If re...

Страница 130: ...O L 4 If the diode module is NOT OK replace the main PCB see Repair procedures 4133 To perform a power module check Prerequisite First check the rectifier voltage of the main PCB see Checking procedu...

Страница 131: ...PCB 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 D...

Страница 132: ...lti 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...

Страница 133: ...2 Remove the ferrite core s for power supply wiring from the switch box unplug fixation plug e e e e e f a a b c d a Power supply wires from X1M b Wire from X1M c Ground wiring d Connector X11A e Scr...

Страница 134: ...nd wiring on the switch box and fix using the screw 5 Fix the ferrite core for ground wiring to the switch box fixation plug 6 Connect the connector X11A 7 Connect the power supply wiring to the main...

Страница 135: ...unit 2 Measure the voltage between the black and white wires Result The measured voltage MUST be 230 V AC a b a Black wire b White wire Is the measured voltage on the PCB correct Action Yes Return to...

Страница 136: ...l earlier main PCB checks see Checking procedures 4135 1 Visit your local spare parts webbank 2 Enter the model name of your unit and check if the installed spare part number corresponds with the spar...

Страница 137: ...eturn to Checking procedures 4135 of the PCB and continue with the next procedure To check the fuse of the main PCB Prerequisite First perform all earlier main PCB checks see Checking procedures 4135...

Страница 138: ...r module see Checking procedures 4135 No Replace the main PCB see Repair procedures 4140 To perform a diode module check 1 First check the rectifier voltage of the main PCB see Checking procedures 413...

Страница 139: ...V a c O L 4 If the diode module is NOT OK replace the main PCB see Repair procedures 4140 To perform a power module check Prerequisite First check the rectifier voltage of the main PCB see Checking pr...

Страница 140: ...O L DC U 0 501 V U DC O L DC V 0 501 V V DC O L DC W 0 501 V W DC O L Are the test results OK Action Yes Power module is OK Return to Checking procedures 4135 of the main PCB and continue with the nex...

Страница 141: ...ing f Connector X12A g Compressor connector h Tie strap compressor harness i Ferrite core compressor harness j Screw k Main PCB 4 Remove the screw and remove the ground wiring from the switch box 5 If...

Страница 142: ...harness to the switch box fixation plug 5 Install new tie straps to fix the compressor harness to the switch box 6 Install the ground wiring on the switch box and fix using the screw 7 If applicable...

Страница 143: ...es Replace the propeller fan blade assembly see Repair procedures 4145 No Perform a mechanical check of the DC fan motor assembly see Checking procedures 4143 To perform a mechanical check of the DC f...

Страница 144: ...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 below 10 V DC before proceed...

Страница 145: ...next procedure Repair procedures To remove the propeller fan blade assembly Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker 1 Remove th...

Страница 146: ...ess from the switch box 4 Slightly bend the harness retainers if applicable to detach the DC fan motor harness 5 Remove the 4 screws that fix the DC fan motor assembly 6 Remove the DC fan motor assemb...

Страница 147: ...ighten the nut to fix the propeller fan blade assembly a b a Nut b Propeller fan blade assembly Is the problem solved Action Yes No further actions required No Return to Checking procedures 4143 of th...

Страница 148: ...fan motor shaft Check that it rotates smoothly 3 Check the friction of the DC fan motor shaft bearing Is the DC fan motor shaft friction normal Action Yes Perform an electrical check of the DC fan mot...

Страница 149: ...deviate from the listed values due to instability during the measurements DC fan motor resistance measurements are correct Action Yes Continue with the next step No Replace the DC fan motor see Repair...

Страница 150: ...ltage on the DC fan motor connector pins 1 4 Result 4 pulses MUST be measured Pulses are measured during fan blade propeller rotation Action Yes Perform a check of the main PCB see Checking procedures...

Страница 151: ...opeller fan blade assembly see Repair procedures 4150 To remove the DC fan motor assembly 1 Remove the propeller fan blade assembly from the DC fan motor assembly see Repair procedures 4150 DANGER RIS...

Страница 152: ...ightening the screws a b f e e c d a Tie strap b DC fan motor harness c Switch box d Fan motor bracket e Screw f DC man motor assy 3 Route the DC fan motor harness through the harness retainers at the...

Страница 153: ...Propeller fan blade assembly Is the problem solved Action Yes No further actions required No Return to Checking procedures 4147 of the outdoor unit fan motor and continue with the next procedure 4 14...

Страница 154: ...ective 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 below 10 V DC before proceeding 2 Loo...

Страница 155: ...an example 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...

Страница 156: ...Perfera R32 ESIE20 11B 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 fix the wire clamp 5 R...

Страница 157: ...ove the switch box from the outdoor unit 9 To install the switch box see 4 14 Plate work 4153 To install the switch box INFORMATION This procedure is just an example and may differ on some details for...

Страница 158: ...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 diagram for correct install...

Страница 159: ...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 14 2 Indoor unit To open the front panel ATXM R and FTXM R units 1 Hold the front pan...

Страница 160: ...l and slide both sliders until they click To remove the front panel DANGER RISK OF ELECTROCUTION Wait for at least 10 minutes after the circuit breaker has been turned OFF to be sure the rectifier vol...

Страница 161: ...he system 1 Remove the front panel to remove the air filter 2 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...

Страница 162: ...g it toward you 4 b a a Front grille b Tabs To remove the electrical wiring box cover ATXM R and FTXM R units TO OPEN THE SERVICE COVER 1 Remove 1 screw from the service cover 2 Pull out the service c...

Страница 163: ...rew b Protruding part on the top of the cover c Tab Floor standing units TO OPEN THE TERMINAL BLOCK 1 Remove the front grille 2 Remove 1 lower screw 3 Lift the sensor securing plate 4 Move the metal p...

Страница 164: ...ircuit breaker Prerequisite Remove the required plate work see 4 14 Plate work 4153 1 Disconnect the power supply wiring from the power supply terminal X1M 2 Remove the screw and power supply wiring b...

Страница 165: ...the indoor unit main PCB 6 Detach these wiring harnesses from the switch box 7 Remove the screw and remove the switch box from the indoor unit 8 To install the switch box see 4 14 Plate work 4153 Flo...

Страница 166: ...he switch box 8 Remove the two screws and remove the switch box from the indoor unit 9 To install the switch box see 4 14 Plate work 4153 To re install the front grille ATXM R and FTXM R units 1 Insta...

Страница 167: ...the front panel see 4 14 Plate work 4153 Floor standing units 1 Insert the front panel into the grooves of the unit 3 places and attach the string 2 Close the front panel see 4 14 Plate work 4153 To i...

Страница 168: ...box 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 swi...

Страница 169: ...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 170: ...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 st...

Страница 171: ...ain PCB a b a Reactor L803 b Reactor L804 2 Remove the main PCB see Repair procedures 4 140 The reactor measuring points are ONLY reachable on the back side of the main PCB 3 Measure the resistance of...

Страница 172: ...inductance measurement correct Action Yes Return to the troubleshooting of the specific error and continue with the next step No Replace the reactor see 4 15 2 Repair procedures 4172 4 15 2 Repair pro...

Страница 173: ...streamer unit Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 4 14 Plate work 4153 1 Di...

Страница 174: ...orrect 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...

Страница 175: ...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 sp...

Страница 176: ...edures 4175 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 177: ...4153 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 th...

Страница 178: ...ion via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 4 14 Plate work 4153 1 Remove the switch box see 4 14 Plate work 4153 2...

Страница 179: ...he main swing flap in the indoor unit by clicking it on 6 Install the switch box see 4 14 Plate work 4153 Is the problem solved Action Yes No further actions required No Return to the troubleshooting...

Страница 180: ...rness see 4 20 2 Repair procedures 4201 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 S...

Страница 181: ...nit 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...

Страница 182: ...it operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Remove the required plate work see 4 14 Plate work 4153 1 Remove the switch box see 4 14 Plate wor...

Страница 183: ...olved 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...

Страница 184: ...rk 4153 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 185: ...4185 No Replace the swing raster motor see 4 18 2 Repair procedures 4185 4 18 2 Repair procedures To remove the swing raster motor Class 20 42 indoor unit Prerequisite Stop the unit operation via the...

Страница 186: ...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 r...

Страница 187: ...r 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 co...

Страница 188: ...swing 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 Scre...

Страница 189: ...8 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 ho...

Страница 190: ...ake 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 corr...

Страница 191: ...or remove the swing flap motor see Repair procedures 4175 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 sw...

Страница 192: ...e piping or ambient for air thermistor Is the thermistor correctly installed thermal contact between the thermistor and the piping Action Yes Perform an electrical check of the specific thermistor see...

Страница 193: ...ce table Heat exchanger thermistor R1T Main I U S501 1 2 A Indoor unit air room thermistor R2T Main I U S501 3 4 A Humidity thermistor R3T Humidity sensor PCB A5P on main PCB I U S600 CN on A5P 4 Det...

Страница 194: ...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 T C k T C k T C k 30 2...

Страница 195: ...applicable PCB INFORMATION See the overview of the thermistors at the start of the procedure and the 7 2 Wiring diagram 4226 to determine if the specific thermistor is either Directly connected to th...

Страница 196: ...the display PCB remove the display PCB as described in the steps below Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker Prerequisite Rem...

Страница 197: ...r outdoor unit air ambient thermistor Open the thermistor holder and remove the thermistor from the holder For refrigerant piping thermistors Cut the tie straps that fix the insulation and the thermis...

Страница 198: ...res 4196 To install the thermistor Indoor unit air room thermistor WALL MOUNTED INDOOR UNITS As the indoor unit air room thermistor is located on the display PCB install the display PCB as described i...

Страница 199: ...rmistor c Thermistor holder d Insulation e Thermistor wire f Tie strap 2 Route the thermistor harness towards the appropriate PCB 3 Connect the thermistor connector to the appropriate PCB INFORMATION...

Страница 200: ...straps 6 Install the insulation around the thermistor 7 Fix the insulation and the thermistor wire using new tie straps Is the problem solved Action Yes No further actions required No Return to the t...

Страница 201: ...20 2 Repair procedures 4201 No Perform a check of the indoor unit main PCB see 4 9 1 Checking procedures 4106 5 As there are no further check procedures for this component perform a check of the indoo...

Страница 202: ...the complete wifi control PCB assembly out of the indoor unit a A A Wall mounted indoor unit a Wifi control PCB assembly a A A Floor standing indoor unit a Wifi control PCB assembly 3 To install the...

Страница 203: ...bleshooting of the specific error and continue with the next procedure To remove the wifi control PCB wiring harness Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF t...

Страница 204: ...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 harnes...

Страница 205: ...sult 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 specific error and co...

Страница 206: ...No Adjust the power supply see 5 1 2 Repair procedures 4206 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...

Страница 207: ...al 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 betw...

Страница 208: ...to reach the outdoor temperature 2 Check that all field piping is done according to the refrigeration practice and installer reference guide Correct piping diameters Piping distance limits are followe...

Страница 209: ...frigerant needs to be examined according to operating conditions Refer to the procedures shown below for correct examination Refrigerant overcharge diagnosis 1 High pressure rises Consequently overloa...

Страница 210: ...superheated 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 rea...

Страница 211: ...e No Add or recuperate refrigerant until correctly charged see 5 2 2 Repair procedures 4212 To check for non condensables in the refrigerant circuit Prerequisite Stop the unit operation via the user i...

Страница 212: ...s compliant 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...

Страница 213: ...nd 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 re...

Страница 214: ...at least 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 Th...

Страница 215: ...se 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...

Страница 216: ...em 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 ex...

Страница 217: ...ear 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 during the cleaning proces...

Страница 218: ...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 cleaning procedure may cause...

Страница 219: ...f 50 C or higher Possible consequence Discoloration and deformation Do NOT scrub firmly when washing the blade with water Possible consequence The surface sealing peels off You can remove the front pa...

Страница 220: ...4 14 Plate work 4153 2 Carefully remove the air filter tabs from the claws a on the sides Hold the air filter by the filter knob b and unhook the air filter tab from the claw c on the top Pull the fil...

Страница 221: ...rising filters to the claws 4 on each 2 Insert the filter tabs to the claws on the bottom d Hold the air filter by the filter knob b and insert the air filter tab to the claw c on the top Insert the a...

Страница 222: ...ter and the silver particle filter from all 4 claws a Claw 4 Wash the air filters with water or clean them with a vacuum cleaner 5 Soak in lukewarm water for about 10 to 15 minutes INFORMATION If the...

Страница 223: ...s 50 71 titanium apatite deodorising filter and the silver allergen removal air purifying filter from all 4 claws a Claw 2 Remove the dust from the filter with a vacuum cleaner 3 Soak the filter for 1...

Страница 224: ...9 FTXM20 71R ATXM25 50R FVXM25 50A Split New Perfera R32 ESIE20 11B 2022 02 To order titanium apatite deodorising filter or silver particle filters contact your dealer Item Part number Titanium deodor...

Страница 225: ...de 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 unit See the installer...

Страница 226: ...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 Terminal s...

Страница 227: ...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 MRN Magn...

Страница 228: ...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 T R Transforme...

Страница 229: ...6 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 B...

Страница 230: ...00A 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 B...

Страница 231: ...1 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 S1...

Страница 232: ...t 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 OUTDOOR Ou...

Страница 233: ...nt 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 N...

Страница 234: ...ure 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...

Страница 235: ...door 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 diag...

Страница 236: ...A FU3 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...

Страница 237: ...0R 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...

Страница 238: ...nual 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...

Страница 239: ...l 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...

Страница 240: ...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 6 4 CuT 15 9 CuT a Fi...

Страница 241: ...s 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 5 0CuT 6 4CuT 9 5CuT M 6 4CuT 9 5CuT 5 0CuT 5 0CuT 5 0CuT 5 0CuT 5 0CuT 5 0...

Страница 242: ...o 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 5 0CuT 6 4CuT 9 5CuT M 6 4CuT 12 7CuT 5 0CuT 5 0CuT 5 0CuT 5 0CuT 5 0CuT 5 0Cu...

Страница 243: ...T 4 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 p...

Страница 244: ...7 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 c...

Страница 245: ...T 7 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...

Страница 246: ...CuT 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 m...

Страница 247: ...oor 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 M...

Страница 248: ...h 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 servic...

Страница 249: ...nted 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 thermi...

Страница 250: ...2 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...

Страница 251: ...it 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...

Страница 252: ...7 Technical data Service manual 252 RXM20 71R 9 ARXM25 71R 9 FTXM20 71R ATXM25 50R FVXM25 50A Split New Perfera R32 ESIE20 11B 2022 02 7 5 Field information report See next page...

Страница 253: ...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 254: ...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 255: ...vailable 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 Click the button Service...

Страница 256: ...perature 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 setting Exa...

Страница 257: ...Select 4 7 Press to confirm 8 Press 9 Select 0 0 fan ON 1 fan OFF factory setting 10 Press to confirm Floor standing units 1 On the home screen press for at least 2 seconds Result The selection menu n...

Страница 258: ...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 restart OFF 1 auto restart ON factory setting...

Страница 259: ...rcuit breaker Prerequisite Remove the required plate work see 4 14 Plate work 4153 1 Cut the J5 jumper on the main PCB of the outdoor unit Field setting Sound level reduction To be used at Cut J5 jump...

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