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ESIE16-02K

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Part 2. Troubleshooting

2.3. Symptom based troubleshooting

Page 44

31/05/21

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Version 1.1

RA R32 Split & multi split M-Series

2.3. Symptom based troubleshooting

2.3.1. Operation does not start

2.3.2. Operation sometimes stops

Check

Detail

When the operation lamp is off, there is a power failure.
Check the power supply.

Is the power supply breaker ON?
Do other electrical appliances work?
Is the rated voltage (± 10%) supplied?
Check the insulation of the electric system.

Check the type of the indoor units.

Is the indoor unit type compatible with the outdoor unit?

Check the transmission between indoors and outdoor.

Connection wires.

Check the outdoor temperature.

Heating operation cannot be used when the outdoor temperature
is 18°C WB or higher.
Cooling operation cannot be used when the outdoor temperature
is below 10°C DB.

When the operation lamp blinks, there may be an error code,
activating the protection device.
Diagnose with remote controller indication.

See

"Error based troubleshooting" on page 20

Check the remote controller addresses.

Are the address settings for the remote controller and indoor unit
correct?

Check the operation circuit.

Is the thermal fuse blown.
Are wire size and wire connections OK?

Check fan motor.

Is the magnetic switch defective?
Is the overcurrent relay defective?

Check compressor.

Is the contact defective?
Is the protection thermostat defective?
Is the compressor itself defective?

Check remote controller.

Are the batteries LOW?
Are there incorrect settings?

Check the LEDs on outdoor unit PCB2 (3MXM-N(9),
4MXM-N(9),5MXM-N(9)).

See

"Error codes via outdoor unit PCB2 (Service PCB)

(3MXM-N(9), 4MXM-N(9), 5MXM-N(9))" on page 19

Check

Detail

When the operation lamp is off, there is a power failure.
Check the power supply.

A power failure of 2 to 10 cycles stops air conditioner operation.

Check the outdoor temperature.

Heating operation cannot be used when the outdoor temperature
is 18°C WB or higher.
Cooling operation cannot be used when the outdoor temperature
is below 10°C DB.

When the operation lamp blinks, there may be an error code,
activating the protection device.
Diagnose with remote controller indication.

See

"Error based troubleshooting" on page 20

Check the LEDs on outdoor unit PCB2 (3MXM-N(9),
4MXM-N(9),5MXM-N(9)).

See

"Error codes via outdoor unit PCB2 (Service PCB)

(3MXM-N(9), 4MXM-N(9), 5MXM-N(9))" on page 19

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Summary of Contents for FTXJ-M

Page 1: ...l RA R32 Split multi split M Series ESIE16 02K Indoor unit Outdoor unit FTXJ M FTXM M FTXP KV FDXM F FVXM F FNA A CTXM M CTXM N ATXM M ATXM N FTXP M9 RXJ M 9 RXJ N RXM M 9 RXM N 9 MXM M 9 MXM N 9 ARXM...

Page 2: ...s knowledge No express or implied warranty is given for the completeness accuracy reliability or fitness for particular purpose of its content and the products and services presented therein Specifica...

Page 3: ...ty 23 2 2 1 6 C4 00 Liquid pipe thermistor for heat exchanger abnormality 23 2 2 1 7 C7 00 Front panel open close fault 24 2 2 1 8 C9 00 Suction air thermistor abnormality 24 2 2 1 9 CH 00 Abnormality...

Page 4: ...s but the unit does not cool heat 45 2 3 5 Operating noise and vibrations 45 2 3 6 Abnormal high pressure 46 2 3 7 Abnormal low pressure 46 2 3 8 Indoor fan starts operating but the compressor does no...

Page 5: ...utdoor 98 5 1 2 3 Reducing maximum sound levels 101 5 1 3 Remote controller 101 5 2 Wiring diagram 102 5 2 1 Indoor unit 102 5 2 1 1 FNA A 102 5 2 1 2 FTXM20 42M FTXM20 42N CTXM M CTXM N ATXM20 35M AT...

Page 6: ...123 5 3 2 11 RXJ50N 124 5 3 2 12 RXM20 35N9 125 5 3 2 13 RXM42 60N9 ARXM50N ARXM50 60N9 125 5 3 2 14 RXM71N 126 5 3 2 15 2MXM M9 126 5 3 2 16 3MXM40 52M 3MXM40 52N 3MXM52N9 127 5 3 2 17 4MXM80M 4MXM8...

Page 7: ...e assembly 86 Figure 3 21 Replacing a thermistor 87 Figure 5 1 How to change fan OFF to ON when in cooling thermo off 95 Figure 5 2 Heat only mode 96 Figure 5 3 Jumper settings 98 Figure 5 4 Service P...

Page 8: ...Figure 5 39 Piping diagram indoor unit FTXM50 60M FTXM50 60N ATXM50M ATXM50N 117 Figure 5 40 Piping diagram indoor unit FTXM71M FTXM71N 118 Figure 5 41 Piping diagram indoor unit FTXM20 25M9 118 Figu...

Page 9: ...4 2018 ESIE16 02G Extra faulty cause error EA 24 04 2018 Preliminary release 26 04 2018 Added procedure to clear error code A0 01 06 2018 ESIE16 02H Extra information error codes U5 U4 UA 17 07 2018 E...

Page 10: ...ight telephone numbers for obtaining service In Europe EN378 provides the necessary guidance for this logbook 1 2 1 Meaning of symbols 1 2 2 Warnings WARNING Indicates a situation that could result in...

Page 11: ...on the PCB WARNING RISK OF BURNING Do NOT touch the refrigerant piping water piping or internal parts during and immediately after operation It could be too hot or too cold Give it time to return to n...

Page 12: ...works WARNING After finishing the electrical work confirm that each electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before...

Page 13: ...age 13 RA R32 Split multi split M Series 1 2 4 Information INFORMATION Make sure refrigerant piping installation complies with applicable legislation In Europe EN378 is the applicable stand ard INFORM...

Page 14: ...of refrigerant is further decreased by expansion through expansion valve s The cold refrigerant flows into the indoor unit s and are capable of taking up heat again This is enabled by a fan that suck...

Page 15: ...used the Alt Back Arrow keys or the arrow in the top right hand corner of this page can be used to return to the previously viewed page NO YES NO YES N N N N N NO O O O O O Y Y Y Y Y YE E E E E ES S...

Page 16: ...to repair The possible causes have been sorted to probability of occurrence and speed of execution 1 4 2 3 The repair chapter The chapter Repair on page 61 handles the removal and replacement of the m...

Page 17: ...troller s operation LED blinks and malfunction code is displayed Even if stop operation is carried out malfunction contents are displayed when inspection mode is entered The malfunction code enables y...

Page 18: ...r 5 sec 4 Power OFF and power ON the unit 5 Go to trial operation as explain in the manual Press TEMP and MODE buttons at the same time Press MODE button 2 times and you will see 7 on the screen of th...

Page 19: ...mal check indoor unit c w x w w x high pressure protector activated or freeze up in operating unit or stand by unit c w x w x x overload relay activated or high discharge pipe temperature c x w w x x...

Page 20: ...ity or refrigerant overcharge 30 F8 00 System shutdown due to compressor internal temperature abnormality 30 H0 00 Compressor sensor system abnormality 31 H6 00 Position detection sensor abnormality 3...

Page 21: ...ear error codes on page 17 Trigger Effect Reset The system cannot set the internal set tings Unit will stop operating Power reset via outdoor unit Possible cause Check Corrective action Wrong models i...

Page 22: ...CB Replace indoor PCB when HAP LED is not blinking in regular intervals Install correct spare part or update indoor PCB Adjust wiring to indoor PCB when required Trigger Effect Reset during cooling op...

Page 23: ...ring to indoor PCB when required Faulty indoor fan motor Check the fan motor Check fan motor connections and wiring Replace fan motor when required Adjust wiring when required Indoor fan motor locked...

Page 24: ...eset Replace indoor unit main PCB when required Faulty shutter sealing Check if shutter goes back open automat ically after closing Replace sealing material when required Shutter is deformed Check if...

Page 25: ...F model on page 67 How to clear error codes on page 17 Trigger Effect Reset A wrong connection is detected by check ing the combination of the indoor and out door unit on the CPU Operation halt due to...

Page 26: ...n required Faulty or disturbance of the power supply imbalance 10 Power drop Short cir cuit Check if the power supply is conform with regulations No fluctuations in frequency Adjust power supply when...

Page 27: ...y power module faulty outdoor inverter PCB Check outdoor inverter PCB Check if the HAP LED is blinking in regu lar intervals Check if the correct spare part is installed Restore the power to the outdo...

Page 28: ...ore the power to the outdoor main PCB Replace outdoor main PCB when HAP LED is not blinking in regular intervals Faulty outdoor inverter PCB Check outdoor inverter PCB Check if the HAP LED is blinking...

Page 29: ...thermistor indoor heat exchanger are not functioning within oper ation range Unit will not stop operating Automatic reset when unit runs without error for 60 minutes Unit will stop operating Manual r...

Page 30: ...s closed Check if stop valve is open Open stop valve when required Faulty 4 way valve Check the 4 way valve Replace the 4 way valve coil or body when required Faulty expansion valve Check the expansio...

Page 31: ...udden drop in temperature could indicate a blockage remark this is not valid for the expansion valve Replace the blocked part Humidity in refrigerant Check for humidity in the refrigerant In case of s...

Page 32: ...e HAP LED is blinking in regu lar intervals Check if the correct spare part is installed Check if the outdoor main PCB receives power Restore the power to the outdoor main PCB Replace outdoor main PCB...

Page 33: ...ia user interface Possible cause Check Corrective action Faulty outdoor air temperature thermistor Check outdoor temperature thermistor Replace outdoor temperature thermistor when required Faulty outd...

Page 34: ...stop operating Automatic reset Possible cause Check Corrective action Faulty outdoor unit main PCB Check if the HAP LED is blinking in regu lar intervals Check if the correct spare part is installed C...

Page 35: ...blinking in regular intervals Check if the correct spare part is installed Adjust the power to the outdoor inverter PCB Replace outdoor inverter PCB Faulty compressor Check compressor Check connection...

Page 36: ...oor unit Outdoor heat exchanger is dirty Check outdoor heat exchanger Clean outdoor heat exchanger when required INFORMATION The Inverter PCB and Main PCB are 1 PCB in this unit Check procedures Repla...

Page 37: ...ant In case of suspicion of humidity recover vacuum and recharge with virgin refriger ant Non condensables in refrigerant Check for non condensables in refriger ant In case of suspicion of non condens...

Page 38: ...lty radiating fin thermistor Check radiating fin thermistor Replace radiating fin thermistor when required Faulty outdoor unit PCB in which radiating fin thermistor is connected Check if the HAP LED i...

Page 39: ...on condensables in refrigerant Check for non condensables in refriger ant In case of suspicion of non condensables recover vacuum and recharge with virgin refrigerant Faulty compressor Check compresso...

Page 40: ...r restarts Momentary power failure Wait until compressor restarts Faulty outdoor unit main PCB Check if the HAP LED is blinking in regu lar intervals Check if the correct spare part is installed Check...

Page 41: ...nit and outdoor unit when required Faulty outdoor unit main PCB Check if the HAP LED is blinking in regu lar intervals Check if the correct spare part is installed Check if the outdoor main PCB receiv...

Page 42: ...PCB Replace outdoor main PCB when HAP LED is not blinking in regular intervals Faulty outdoor inverter PCB Check outdoor inverter PCB Check if the alive led is blinking in regular intervals Check if...

Page 43: ...nstallation manual Check procedures Replacing procedures Main PCB on page 57 Replacing main PCB on page 85 Trigger Effect Reset When the interunit wiring between indoor and outdoor unit is incorrect P...

Page 44: ...ings for the remote controller and indoor unit correct Check the operation circuit Is the thermal fuse blown Are wire size and wire connections OK Check fan motor Is the magnetic switch defective Is t...

Page 45: ...mistors Is there a malfunction in the room temperature thermistor or out door temperature thermistor Check for faulty operation of the electronic expansion valve Set the unit to cooling operation and...

Page 46: ...ength 5 m Visual inspection Does air enter the refrigerant system Conduct refrigerant collection and vacuum drying and then add proper amount refrigerant Is the refrigerant overcharged Conduct refrige...

Page 47: ...bration Is the check valve if applicable clogged Check if there is a temperature difference before and after check valve If YES the check valve is caught Is the outdoor unit installed under such condi...

Page 48: ...plied Is there an incorrect size of connection wiring Check the refrigerant charge Overcharge Air in the system Water in the system Check the fan motor Check the magnetic switch Check the overcurrent...

Page 49: ...Version 1 1 Page 49 RA R32 Split multi split M Series 2 4 Component checklist Overview of component checklists Indoor unit 50 Fan motor 50 Outdoor unit 51 4 way valve 51 Compressor 53 Electronic expa...

Page 50: ...th the field supplied circuit breaker 3 Remove casing when required PROCEDURE 1 Check fuse on indoor PCB replace if blown 2 Check if fan motor connector is plugged into PCB 3 Power the Daikin unit 4 C...

Page 51: ...vice ports If no pressure is measured perform a pressure test and fix any leaks If pressure is measured the 4 way valve is stuck in the middle confirm by determining the position of the 4 way valve as...

Page 52: ...e 76 3 Unplug 4 way valve connector from PCB and measure the resistance of the 4 way valve coil If the measured resistance does not range 1000 2000 replace the 4 way valve coil refer to Replacing 4 wa...

Page 53: ...e compressor insulation 2 Switch on the Daikin unit and measure the U V W inverter voltages All voltages must be identical if not replace the inverter PCB 3 Switch off the Daikin unit via the user int...

Page 54: ...r than 3 M 8 Replace the compressor if the windings and or insulation measurements fail refer to Replacing compressor on page 77 9 Run the compressor and measure the current in each phase the current...

Page 55: ...ed refer to Replacing expansion valve body on page 82 PRELIMINARY ACTIONS 1 Switch off the Daikin unit via the user interface 2 Switch off the Daikin unit with the field supplied circuit breaker 3 Rem...

Page 56: ...cklist Page 56 31 05 21 Version 1 1 RA R32 Split multi split M Series Connector pin 3 6 connected Connector pin 4 6 connected 3 If one or more of the windings have no continuity replace the expansion...

Page 57: ...lied circuit breaker 3 Remove plate work when required refer to Basic removal on page 69 PROCEDURE 1 Check fuse on PCB replace if blown see table Component checklist on page 129 2 Check if fan motor c...

Page 58: ...by the lower and higher temperature 4 If the measured resistance does not match the listed value the thermistor must be replaced E g R3T air thermistor main PCB connector S90 pin 1 2 type 1 Measured...

Page 59: ...41 42 43 44 45 46 47 48 49 10 21 9 81 9 42 9 06 8 71 8 37 8 05 7 75 7 46 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 10 111 99 10 39 96 30 16 10 50 7 18 70 3 44 9 8 7 6 5...

Page 60: ...1 0 17 0 87 78 9 5 20 7 36 0 6 2 62 5 2 3 89 0 1 0 16 5 85 19 10 0 20 2 36 5 6 1 63 0 2 2 89 5 0 9 16 0 82 67 10 5 19 7 37 0 6 0 63 5 2 2 90 0 0 9 15 5 80 25 11 0 19 2 37 5 5 9 64 0 2 2 90 5 0 9 15 0...

Page 61: ...in gas phase Make sure to use a digital scale no charging cylinder Execute correct vacuum drying procedure after repair work 0 1 MPa 760 mmHg 750 Torr 1 bar for at least 1 hour Connect the unit accor...

Page 62: ...orts at the stop valves Connect both stop valve service ports to the manifold In case of 3 service ports at the stop valves Connect 1 hose to the suction stop valve service port and 1 hose to the serv...

Page 63: ...ached close gas stop valve and forced cooling operation 1 Vacuum pump 2 To recovery pump INFORMATION See instruction of the recovery pump supplier how to recover the refrigerant WARNING RISK OF EXPLOS...

Page 64: ...that excessive deburring can thin the pipe walls and cause cracking of the pipe Make sure the flare has the correct size use a flare gauge Make sure no particles remain in the piping Apply just a dro...

Page 65: ...tools please check the Daikin Business Portal http www mydaikin eu Go to the tab After sales support on the left side and then select Technical support You will then find a button Service tools which...

Page 66: ...r only for FVXM F model 67 Outdoor unit 69 Basic removal 69 Replacing switch box 72 Replacing 4 way valve body 74 Replacing 4 way valve coil 76 Replacing compressor 77 Replacing DC fan motor assembly...

Page 67: ...acing R32 sensor only for FVXM F model PRELIMINARY ACTIONS 1 Switch off the Daikin unit via the user interface 2 Switch off the Daikin unit with the field supplied circuit breaker 3 Remove plate work...

Page 68: ...repair procedures Page 68 31 05 21 Version 1 1 RA R32 Split multi split M Series Figure 3 5 Removing casing of the sensor 4 Remove PCB connectors put new PCB in casing Figure 3 6 Removing PCB connecto...

Page 69: ...it via the user interface 2 Switch off the Daikin unit with the field supplied circuit breaker PROCEDURE Removal 1 Loosen and remove 1 screw 1 that fix the refrigerant connection cover Figure 3 7 Remo...

Page 70: ...Figure 3 8 Removing the top plate 3 3 2 1 4 Removing the front plate PRELIMINARY ACTIONS 1 Switch off the Daikin unit via the user interface 2 Switch off the Daikin unit with the field supplied circu...

Page 71: ...ressor sound insulation PRELIMINARY ACTIONS 1 Switch off the Daikin unit via the user interface 2 Switch off the Daikin unit with the field supplied circuit breaker PROCEDURE Removal 1 Remove the top...

Page 72: ...al on page 69 PROCEDURE Removal 1 Remove the insulation 1 2 Unplug all connectors from the main PCB 2 see Component checklist on page 129 3 Remove all electrical power wiring 3 from the wire terminals...

Page 73: ...73 RA R32 Split multi split M Series Figure 3 11 Removing the switch box Installation 1 Proceed in reverse order 1 Insulation 6 Wire clamp 2 Main PCB 7 Screw 3 Electrical power wiring 8 Right side pla...

Page 74: ...Removal 1 Remove any parts that block the way to the 4 way valve 2 Cut the 4 way valve pipes 2 3 Remove the 4 way valve 5 4 Recuperate the putty 3 5 Recuperate the insulation 4 Figure 3 12 Removing t...

Page 75: ...nit specific repair procedures 31 05 21 Version 1 1 Page 75 RA R32 Split multi split M Series 2 Proceed in reverse order INFORMATION Install the putty on the 4 way valve Install the compressor sound i...

Page 76: ...quired 4 Remove any part that block the way to the 4 way valve coil PROCEDURE Removal 1 Loosen and remove the screw 1 that fixes the 4 way valve coil 2 2 Cut the tie wraps that fix the 4 way valve coi...

Page 77: ...at blocks the way to the compressor PROCEDURE Removal 1 Remove the terminal cover 3 and unplug the compressor wiring 4 and take picture 2 Using a pipe cutter cut the compressor pipes 5 below the solde...

Page 78: ...e 78 31 05 21 Version 1 1 RA R32 Split multi split M Series Figure 3 14 Removing the compressor 1 Screw 6 Nut 2 Partition plate assembly 7 Compressor 3 Terminal cover 8 Putty 4 Compressor wiring 9 Dam...

Page 79: ...sor pipes cover the compressor pipes with a wet cloth to prevent overheating the compressor and the oil in the compression pipe 6 Proceed in reverse order CAUTION The oil in the compressor is hygrosco...

Page 80: ...placing propeller fan blade assembly on page 86 PROCEDURE Removal 1 Remove the insulation 1 from the switch box 2 Unplug the fan motor connector 3 from the main PCB 3 Release the fan motor assembly ha...

Page 81: ...Version 1 1 Page 81 RA R32 Split multi split M Series Figure 3 15 Removing the DC fan motor assembly Installation 1 Proceed in reverse order 1 Insulation 5 Harness retainer 2 Fan motor assembly harnes...

Page 82: ...ROCEDURE Removal 1 Recuperate the putty 1 2 Using a pipe cutter cut the expansion valve body pipes 2 3 Remove the expansion valve body 3 Figure 3 16 Removing the expansion valve Installation 1 Wrap a...

Page 83: ...ug expansion valve motor connector from PCB 3 Cut all tie wraps that fix the expansion valve motor 1 wiring Figure 3 17 Removing the expansion valve motor Installation 1 Proceed in reverse order 2 Whe...

Page 84: ...3 Repair 3 3 Unit specific repair procedures Page 84 31 05 21 Version 1 1 RA R32 Split multi split M Series Figure 3 18 Locking the expansion valve motor 1 Pipe retention clip 3 Expansion valve motor...

Page 85: ...it breaker 3 Remove the switch box refer to Replacing switch box on page 72 PROCEDURE Removal 1 Cut the 2 cable ties 1 2 Loosen and remove the screw 2 3 Loosen and remove the 5 screws 3 4 Press the 2...

Page 86: ...h off the Daikin unit with the field supplied circuit breaker 3 Remove plate work when required PROCEDURE Removal 1 Remove the nut 1 that fixes the propeller fan blade assembly 2 2 Pull the propeller...

Page 87: ...required see Basic removal on page 69 PROCEDURE Removal 1 Locate thermistor that needs to be replaced see Component checklist on page 129 2 Cut the tie wraps 1 that fix the insulation 3 and the thermi...

Page 88: ...C452 ARC433 Series 1 Turn the system on 2 Select FAN operation with the MODE button on the remote controller 3 Press the 3 buttons TEMP TEMP MODE simultaneously 00 is displayed the left digit is blink...

Page 89: ...agents Please rinse the heat exchanger and drain pan with water after the cleaning process Indoor unit 89 Outdoor unit 91 WARNING Before performing any maintenance power off the unit INFORMATION After...

Page 90: ...filters 3 Remove the titanium apatite deodorizing filter and silver particle filter from the tabs 4 Wash the air filters with water or clean them with a vacuum cleaner 5 Soak in lukewarm water for ab...

Page 91: ...sure and running current Water in the refrigerant freezes inside the electronic expansion valve and is basically the same phenomenon as pump down Dirt in the refrigerant clogs filters inside the pipin...

Page 92: ...ESIE16 02K Part 4 Maintenance 4 2 Outdoor unit Page 92 31 05 21 Version 1 1 RA R32 Split multi split M Series...

Page 93: ...RA R32 Split multi split M Series Part 5 Appendix This part contains the following chapters Field setting 95 Wiring diagram 102 Piping diagram 116 Component overview of unit 128 Product specific info...

Page 94: ...ESIE16 02K Part 5 Appendix Page 94 31 05 21 Version 1 1 RA R32 Split multi split M Series...

Page 95: ...SU 4 Press FAN to confirm 5 Press TEMP 6 Select 4 7 Press FAN to confirm 8 Press TEMP 9 Select 0 0 fan ON 1 fan OFF 10 Press FAN to confirm Model FTX25 35KM does not have remote controller which has...

Page 96: ...gain for 10 seconds 5 1 1 4 Heat only mode 1 Please stop unit before setting 2 How to switch H O mode Remote controller ARC466A33 ARC466A58 Figure 5 2 Heat only mode 1 Press TEMP and MODE buttons simu...

Page 97: ...Series 31 05 21 Version 1 1 Page97 5 1 1 5 Auto restart ON OFF Remote controller ARC480A53 1 Press TEMP TEMP and OFF simultaneously 2 Press TEMP 3 Select SU 4 Press FAN to confirm 5 Press TEMP 6 Sele...

Page 98: ...not function for 3 minutes after the safety breaker is turned on or depending on the outside air conditions see note 2 About 15 20 minutes after the switch is pressed the errors in the connection wiri...

Page 99: ...ation If the indoor unit which is set for priority room settings is operating at high power the capabilities of other indoor units will be some what reduced Power supply gives priority to the indoor u...

Page 100: ...ications apply to the connector housing and pins ST products Housing VHR 5N Pin SVH 21T 1 1 Figure 5 6 S15 connector location 5 1 2 2 4 Multi Split outdoor jumper settings Figure 5 7 Jumper location 1...

Page 101: ...evel will be 2 dB lower than the maximum sound level during normal night operation unit without this field setting and with outdoor unit quiet operation activated So when this field setting is done on...

Page 102: ...IE16 02K Part 5 Appendix 5 2 Wiring diagram RA R32 Split multi split M Series Page 102 31 05 21 Version 1 1 5 2 Wiring diagram 5 2 1 Indoor unit 5 2 1 1 FNA A Figure 5 9 Wiring diagram indoor unit FNA...

Page 103: ...1 1 Page103 5 2 1 2 FTXM20 42M FTXM20 42N CTXM M CTXM N ATXM20 35M ATXM20 35N Figure 5 10 Wiring diagram indoor unit FTXM20 42M FTXM20 42N CTXM M CTXM N ATXM20 35M ATXM20 35N 5 2 1 3 FTXM50 71M FTXM50...

Page 104: ...oard BZ Buzzer FG Frame ground FU Fuse H1 H3 HK1 HK2 Harness IPM200 Intelligent power module LED1 LED2 Light emitting diode MF1 Fan motor M1S MS2 Swing motor MR10 Magnetic relay R1T R2T Thermistor S6...

Page 105: ...GRN Z2C GRN BLK BLK BLK 1 8 S90 R1T R2T R3T 1 10 S93 R4T R5T R6T t 1 10 S92 R9T R10T R11T BLK GRY BRN BLK GRY YLW Y2S MR308 RED AL2 RED AL1 C PCB1 FU1 FU2 FU3 DB1 C110 C54 C56 IPM1 M1C LED1 5 LEDA M1...

Page 106: ...protector Surge arrestor Electronic expansion valve coil Solenoid valve Room Room Room Room Sheet metal Thermistor Liquid pipe Gas pipe Light emitting diode 3D100361A L X1M X2M N 1 2 3 1 2 3 X3M 1 2 3...

Page 107: ...endix 5 2 Wiring diagram RA R32 Split multi split M Series 31 05 21 Version 1 1 Page107 5 2 2 5 RXJ20 35M 9 Figure 5 17 Wiring diagram outdoor unit RXJ20 35M 9 5 2 2 6 RXJ50M Figure 5 18 Wiring diagra...

Page 108: ...Wiring diagram RA R32 Split multi split M Series Page 108 31 05 21 Version 1 1 5 2 2 7 RXM20 35M ARXM M Figure 5 19 Wiring diagram outdoor unit RXM20 35M ARXM M 5 2 2 8 RXM42 50M Figure 5 20 Wiring d...

Page 109: ...pendix 5 2 Wiring diagram RA R32 Split multi split M Series 31 05 21 Version 1 1 Page109 5 2 2 9 RXM60 71M Figure 5 21 Wiring diagram outdoor unit RXM60 71M 5 2 2 10 RXM71M Figure 5 22 Wiring diagram...

Page 110: ...ing diagram RA R32 Split multi split M Series Page 110 31 05 21 Version 1 1 5 2 2 11 RXJ50N Figure 5 23 Wiring diagram outdoor unit RXJ50N 5 2 2 12 RXM20 35N9 ARXM25 35N9 Figure 5 24 Wiring diagram ou...

Page 111: ...Wiring diagram RA R32 Split multi split M Series 31 05 21 Version 1 1 Page111 5 2 2 13 RXM42N9 ARXM50N9 Figure 5 25 Wiring diagram outdoor unit RXM42N9 ARXM50N9 5 2 2 14 RXM50 60N9 Figure 5 26 Wiring...

Page 112: ...ppendix 5 2 Wiring diagram RA R32 Split multi split M Series Page 112 31 05 21 Version 1 1 5 2 2 15 RXM71N Figure 5 27 Wiring diagram outdoor unit RXM71N 5 2 2 16 2MXM40M Figure 5 28 Wiring diagram ou...

Page 113: ...diagram RA R32 Split multi split M Series 31 05 21 Version 1 1 Page113 5 2 2 17 3MXM40 52M Figure 5 29 Wiring diagram outdoor unit 3MXM40 52M 5 2 2 18 RXM20 35M9 ARXM25 35M9 Figure 5 30 Wiring diagra...

Page 114: ...iring diagram RA R32 Split multi split M Series Page 114 31 05 21 Version 1 1 5 2 2 19 RXM42 50M9 ARXM50M9 Figure 5 31 Wiring diagram outdoor unit RXM42 50M9 ARXM50M9 5 2 2 20 ARXM50N Figure 5 32 Wiri...

Page 115: ...5 Appendix 5 2 Wiring diagram RA R32 Split multi split M Series 31 05 21 Version 1 1 Page115 5 2 2 21 3MXM40 52N 3MXM52N9 Figure 5 33 Wiring diagram outdoor unit 3MXM40 52N 3MXM52N9 5 2 3 Field wiring...

Page 116: ...1 Indoor unit 5 3 1 1 FNA A Figure 5 34 Piping diagram indoor unit FNA A 5 3 1 2 FTXM20 35M FTXM20N CTXM M CTXM N ATXM20 35M ATXM20N FTXP35M9 Figure 5 35 Piping diagram indoor unit FTXM20 35M FTXM20N...

Page 117: ...31 05 21 Version 1 1 Page117 5 3 1 4 FTXM42M Figure 5 37 Piping diagram indoor unit FTXM42M 5 3 1 5 FTXM42N Figure 5 38 Piping diagram indoor unit FTXM42N 5 3 1 6 FTXM50 60M FTXM50 60N ATXM50M ATXM50...

Page 118: ...XM71M FTXM71N Figure 5 40 Piping diagram indoor unit FTXM71M FTXM71N 5 3 1 8 FTXM20 25M9 Figure 5 41 Piping diagram indoor unit FTXM20 25M9 M Heat exchanger Thermistor heat exchanger Fan motor Field p...

Page 119: ...Branch pipe Branch pipe 6 4CuT 6 4CuT Fan motor Compressor Twin branched muffler Outdoor air temperature thermistor Liquid Field piping Room A 6 4CuT Room B 6 4CuT 9 5CuT 9 5CuT Filter Filter 7 9CuT 7...

Page 120: ...9 5CuT 6 4CuT 12 7CuT 7 9CuT MV D 6 4CuT Room D 6 4CuT D 12 7CuT 12 7CuT Room Heat exchanger thermistor Outdoor air temperature thermistor 15 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 12 7CuT M 12 7CuT A B C 9...

Page 121: ...uT M 4 8CuT 4 8CuT 6 4CuT 6 4CuT 4 0xID 2 0CuT 6 4CuT 6 4CuT 9 5CuT 9 5CuT 9 5CuT 9 5CuT 9 5CuT 7 9CuT Heat exchanger thermistor Outdoor air temperature thermistor Accumulator Compressor Muffler Muffl...

Page 122: ...or unit RXM42 50M RXM42 50M9 ARXM50M9 7 0CuT 7 0CuT 9 5CuT 9 5CuT M 4 8CuT 4 8CuT 6 4CuT 6 4CuT 4 0xID 2 0CuT 6 4CuT 6 4CuT 9 5CuT 9 5CuT 9 5CuT 9 5CuT 9 5CuT 7 9CuT Heat exchanger thermistor Outdoor...

Page 123: ...9 CuT 7 9 CuT 7 9 CuT 7 9 CuT 7 9 CuT 7 9 CuT 4 0 CuT 4 0 CuT 7 9 CuT 4 0 CuT 12 7 CuT 6 4 CuT Gas stop valve with service port 12 7 CuT 12 7 CuT 12 7 CuT 9 5 CuT 9 5 CuT 9 5 CuT 9 5 CuT 9 5 CuT 7 9 C...

Page 124: ...ESIE16 02K Part 5 Appendix 5 3 Piping diagram RA R32 Split multi split M Series Page 124 31 05 21 Version 1 1 5 3 2 11 RXJ50N Figure 5 52 Piping diagram outdoor unit RXJ50N...

Page 125: ...RA R32 Split multi split M Series 31 05 21 Version 1 1 Page125 5 3 2 12 RXM20 35N9 Figure 5 53 Piping diagram outdoor unit RXM20 35N9 5 3 2 13 RXM42 60N9 ARXM50N ARXM50 60N9 Figure 5 54 Piping diagra...

Page 126: ...ppendix 5 3 Piping diagram RA R32 Split multi split M Series Page 126 31 05 21 Version 1 1 5 3 2 14 RXM71N Figure 5 55 Piping diagram outdoor unit RXM71N 5 3 2 15 2MXM M9 Figure 5 56 Piping diagram ou...

Page 127: ...32 Split multi split M Series 31 05 21 Version 1 1 Page127 5 3 2 16 3MXM40 52M 3MXM40 52N 3MXM52N9 Figure 5 57 Piping diagram outdoor unit 3MXM40 52M 3MXM40 52N 3MXM52N9 5 3 2 17 4MXM80M 4MXM80N Figur...

Page 128: ...il lead wire connection room A 3 Thermistor lead wire connector liquid pipe 10 Electronic expansion valve coil lead wire connection room B 4 Fan motor lead wire connector 11 Electronic expansion valve...

Page 129: ...erature abnormality Set conditions When the compressor is off the radiation fin temperature is above 98 C Automatic reset conditions Unit will automatically reset the error when the radiation fin temp...

Page 130: ...ESIE16 02K Part 5 Appendix 5 7 Field information report RA R32 Split multi split M Series Page 130 31 05 21 Version 1 1 5 7 Field information report See next page...

Page 131: ...information is required Please fill out the following form before contacting your distributor FIELD INFORMATION REPORT Key person info Name Company name Your contact details Phone number E mail addres...

Page 132: ...1P 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 Space...

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