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Daikin 2MXM50M, Service Manual

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Daikin 2MXM50M Service Manual Download Page 6

ESIE16-02

B

 

| 

 

  

Page 6

 4/04/17 

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Version 1.1

RA R32 Split & multi split M-Series

5.7. Switch box ............................................................................................................................................. 111

5.7.1. Indoor unit  .................................................................................................................................................. 111
5.7.2. Outdoor unit  ............................................................................................................................................... 111

5.8. Field information report  ......................................................................................................................... 112

Summary of Contents for 2MXM50M

Page 1: ...Service Manual RA R32 Split multi split M Series ESIE16 02B Indoor unit Outdoor unit FTXJ M FTXM M FTXP KV FDXM F RXJ M RXM M MXM M MXM N...

Page 2: ...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 Specificat...

Page 3: ...up protection Heating peak cut control 22 2 2 1 4 A6 00 Fan motor abnormality 22 2 2 1 5 C4 00 Liquid pipe thermistor for heat exchanger abnormality 23 2 2 1 6 C7 00 Front panel open close fault 23 2...

Page 4: ...r unit 44 2 4 1 1 Fan motor 44 2 4 2 Outdoor unit 45 2 4 2 1 4 way valve 45 2 4 2 2 Compressor 47 2 4 2 3 Electronic expansion valve 49 2 4 2 4 Fan motor 51 2 4 2 5 High pressure sensor 52 2 4 2 6 Mai...

Page 5: ...tdoor unit 99 5 3 2 1 2MXM50M 99 5 3 2 2 3MXM68M 99 5 3 2 3 4MXM M 100 5 3 2 4 5MXM M 100 5 3 2 5 RXJ20 35M 101 5 3 2 6 RXJ50M 101 5 3 2 7 RXM20 35M 101 5 3 2 8 RXM42 50M 102 5 3 2 9 RXM60 71M 102 5 3...

Page 6: ...ESIE16 02B Page 6 4 04 17 Version 1 1 RA R32 Split multi split M Series 5 7 Switch box 111 5 7 1 Indoor unit 111 5 7 2 Outdoor unit 111 5 8 Field information report 112...

Page 7: ...s 94 Figure 5 3 Service PC board wiring error check switch location 94 Figure 5 4 Dip switch location 95 Figure 5 5 S15 connector location 96 Figure 5 6 Jumper location 96 Figure 5 7 Wiring diagram ou...

Page 8: ...ESIE16 02B Page 8 4 04 17 Version 1 0 RA R32 Split multi split M Series Figure 5 26 Piping diagram outdoor unit RXM71M 109 Figure 5 27 Component overview outdoor unit 110...

Page 9: ...ti split M Series Part 1 Introduction This part contains the following chapters 1 1 Version log Version log 9 Safety precautions 10 General operation 13 How to use 14 Version code Description Date ESI...

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: ...earth wiring may cause electrical shock Make sure to use a dedicated power circuit NEVER use a power supply shared by another appliance Make sure to check the required fuses and or circuit breakers b...

Page 13: ...t compression ratio is calculated from deviation between actual and target condensation and evaporation temperature Tc condensing temperature is used in heating mode Te evaporation temperature is used...

Page 14: ...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 15: ...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 16: ...ESIE16 02B Part 1 Introduction 1 4 How to use Page 16 4 04 17 Version 1 0 RA R32 Split multi split M Series...

Page 17: ...d malfunction code is displayed Even if stop operation is carried out malfunction contents are displayed when inspection mode is entered The malfunction code enables you to tell what kind of malfuncti...

Page 18: ...GNOSIS c x x x x x normal 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 te...

Page 19: ...IE16 02B Part 2 Troubleshooting 2 1 Error codes check 4 04 17 Version 1 1 Page 19 RA R32 Split multi split M Series 2 1 2 3 History of error codes Not applicable 2 1 2 4 Content of retry Not applicabl...

Page 20: ...sure abnormality or refrigerant overcharge 29 H0 00 Compressor sensor system abnormality 30 H6 00 Position detection sensor abnormality 30 H8 00 Compressor input CT system abnormality 31 H9 00 Outdoor...

Page 21: ...o indoor PCB Adjust power to the indoor PCB 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 requir...

Page 22: ...s power Check if the HAP LED is blinking in regu lar intervals Check if the correct spare part is installed Check the wiring to indoor PCB Adjust power to the indoor PCB Replace indoor PCB when HAP LE...

Page 23: ...ing procedures Refrigerant thermistors on page 56 Trigger Effect Reset Shutter limit switch not activated or faulty Unit will stop operating when error occurs 2 times Power reset via outdoor unit Poss...

Page 24: ...ot blinking in regular intervals Install correct spare part or update indoor PCB Adjust wiring to indoor PCB when required Check procedures Replacing procedures Refrigerant thermistors on page 56 Trig...

Page 25: ...y 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 required Power r...

Page 26: ...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 27: ...re 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 28: ...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 29: ...xpansion valve Replace the expansion valve body or motor 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...

Page 30: ...part is installed Restore the power to the outdoor inverter PCB Replace the outdoor inverter PCB when required Faulty connection or wiring of the PCB s Check the connections and the wiring of the PCB...

Page 31: ...he outdoor main PCB receives power Restore the power to the outdoor main PCB Replace outdoor main PCB when HAP LED is not blinking in regular intervals Faulty power module Input current or compressor...

Page 32: ...circuit Unit will 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...

Page 33: ...hermistor when required Faulty capacity adapter on outdoor PCB Check if the correct adapter is installed Check if the correct spare part is installed Adjust capacity adapter when required Check proced...

Page 34: ...e for correct charge Replace compressor when required Investigate reason of breakdown Replace expansion valve when required Fix possible leak Faulty or disturbance of the power supply imbalance 10 Pow...

Page 35: ...ture abnormality on page 111 Trigger Effect Reset Radiation fin temperature rise is detected Unit will stop operating Automatic reset Power reset via outdoor unit Possible cause Check Corrective actio...

Page 36: ...red Faulty 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...

Page 37: ...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 when HAP LED...

Page 38: ...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 39: ...wiring when required Momentary drop of voltage Wait until compressor restarts Momentary power failure Wait until compressor restarts Faulty outdoor unit main PCB Check if the HAP LED is blinking in re...

Page 40: ...the power to the indoor main PCB Replace indoor main PCB when HAP LED is not blinking in regular intervals Check procedures Replacing procedures Main PCB on page 53 Replacing main PCB on page 84 Fan m...

Page 41: ...PCB Check if the HAP LED is blinking in regu lar intervals Check if the correct spare part is installed Check if the indoor main PCB receives power Restore the power to the indoor main PCB Replace ind...

Page 42: ...based troubleshooting Page 42 4 04 17 Version 1 1 RA R32 Split multi split M Series 2 3 Symptom based troubleshooting 2 3 1 Indoor unit Not available yet 2 3 2 Outdoor unit Not available yet 2 3 3 Sys...

Page 43: ...t multi split M Series 2 4 Component checklist Overview of component checklists Indoor unit 44 Fan motor 44 Outdoor unit 45 4 way valve 45 Compressor 47 Electronic expansion valve 49 Fan motor 51 High...

Page 44: ...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 45: ...ix 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 described below and replace the 4 way valve refer to Replacing 4 w...

Page 46: ...asure 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 way valve coil on page 75 4 Switch on the Daikin unit...

Page 47: ...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 48: ...than 3 M 8 Replace the compressor if the windings and or insulation measurements fail refer to Replacing compressor on page 76 9 Run the compressor and measure the current in each phase the current f...

Page 49: ...y must be replaced refer to Replacing expansion valve body on page 81 PRELIMINARY ACTIONS 1 Switch off the Daikin unit via the user interface 2 Switch off the Daikin unit with the field supplied circu...

Page 50: ...0 4 04 17 Version 1 1 RA R32 Split multi split M Series Connector pin 2 6 connected Connector pin 3 6 connected Connector pin 4 6 connected 3 If one or more of the windings have no continuity replace...

Page 51: ...th the field supplied circuit breaker 3 Remove plate work when required refer to Basic removal on page 68 PROCEDURE 1 Check fuse on PCB replace if blown see table Component checklist on page 111 2 Che...

Page 52: ...on the PCB compare the measured voltage with the expected voltage Technical specification Description The pressure sensor is an analog pressure sensor The pressure sensor measures the pressure in the...

Page 53: ...lacing main PCB on page 84 Check 2 1 Check if the high pressure sensor connector is plugged into PCB Check 3 1 Measure the voltage across high pressure sensor connector pin 4 3 the measured voltage mu...

Page 54: ...the PCB compare the measured voltage with the expected voltage Technical specification Description The pressure sensor is an analog pressure sensor The pressure sensor measures the pressure in the hi...

Page 55: ...PCB refer to Replacing main PCB on page 84 Check 2 1 Check if the high pressure sensor connector is plugged into PCB Check 3 1 Measure the voltage across high pressure sensor connector pin 4 3 the me...

Page 56: ...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 57: ...51 09 48 61 46 26 44 05 41 95 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 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 6...

Page 58: ...3 18 97 73 92 61 87 79 83 25 78 97 74 94 71 14 67 56 11 12 13 14 15 16 17 18 19 37 18 35 45 33 81 32 25 30 77 29 37 28 05 26 78 25 59 31 32 33 34 35 36 37 38 39 15 10 14 48 13 88 13 31 12 77 12 25 11...

Page 59: ...ESIE16 02B Part 2 Troubleshooting 2 5 Other capacity range 4 04 17 Version 1 1 Page 59 RA R32 Split multi split M Series 2 5 Other capacity range Not applicable 0...

Page 60: ...ESIE16 02B Part 2 Troubleshooting 2 5 Other capacity range Page 60 4 04 17 Version 1 1 RA R32 Split multi split M Series...

Page 61: ...a liquid state R32 can be charged 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 l...

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: ...id from liquid stop valve and gas stop valve 2 Carry out pump down operation 1 Vacuum pump 2 To recovery pump INFORMATION See instruction of the recovery pump supplier how to recover the refrigerant W...

Page 64: ...repair procedures Make sure to cover open pipe ends during repair work so no dust or moisture can enter Make sure to re apply insulation removed during repair Pipe expansion flare making Remove any b...

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: ...67 Outdoor unit 68 Basic removal 68 Replacing switch box 71 Replacing 4 way valve body 73 Replacing 4 way valve coil 75 Replacing compressor 76 Replacing DC fan motor assembly 79 Replacing expansion...

Page 67: ...ESIE16 02B Part 3 Repair 3 3 Unit specific repair procedures 4 04 17 Version 1 1 Page 67 RA R32 Split multi split M Series 3 3 1 Indoor unit Not applicable...

Page 68: ...t 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 3 Remov...

Page 69: ...Figure 3 4 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 circui...

Page 70: ...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 71: ...l on page 68 PROCEDURE Removal 1 Remove the insulation 1 2 Unplug all connectors from the main PCB 2 see Component checklist on page 121 3 Remove all electrical power wiring 3 from the wire terminals...

Page 72: ...1 RA R32 Split multi split M Series Figure 3 7 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 plat...

Page 73: ...E 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 8 Removing t...

Page 74: ...nit specific repair procedures Page 74 4 04 17 Version 1 1 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 in...

Page 75: ...n required 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 3 2 Cut the tie wraps that fix the 4 way valve...

Page 76: ...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 77: ...04 17 Version 1 1 Page 77 RA R32 Split multi split M Series Figure 3 10 Removing the compressor 1 Screw 6 Nut 2 Partition plate assembly 7 Compressor 3 Terminal cover 8 Putty 4 Compressor wiring 9 Dam...

Page 78: ...or 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 hygroscop...

Page 79: ...lacing propeller fan blade assembly on page 149 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 80: ...4 04 17 Version 1 1 RA R32 Split multi split M Series Figure 3 11 Removing the DC fan motor assembly Installation 1 Proceed in reverse order 1 Insulation 5 Harness retainer 2 Fan motor assembly harnes...

Page 81: ...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 12 Removing the expansion valve Installation 1 Wrap a...

Page 82: ...ug expansion valve motor connector from PCB 3 Cut all tie wraps that fix the expansion valve motor 1 wiring Figure 3 13 Removing the expansion valve motor Installation 1 Proceed in reverse order 2 Whe...

Page 83: ...3 Repair 3 3 Unit specific repair procedures 4 04 17 Version 1 1 Page 83 RA R32 Split multi split M Series Figure 3 14 Locking the expansion valve motor 1 Pipe retention clip 3 Expansion valve motor 2...

Page 84: ...it breaker 3 Remove the switch box refer to Replacing switch box on page 71 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 85: ...Replacing propeller fan blade assembly on page 149 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 assembl...

Page 86: ...4 04 17 Version 1 1 RA R32 Split multi split M Series Figure 3 16 Removing the DC fan motor assembly Installation 1 Proceed in reverse order 1 Insulation 5 Harness retainer 2 Fan motor assembly harnes...

Page 87: ...required see Basic removal on page 68 PROCEDURE Removal 1 Locate thermistor that needs to be replaced see Component checklist on page 121 2 Cut the tie wraps 1 that fix the insulation 3 and the thermi...

Page 88: ...the MODE button Trial operation is activated 6 Press the ON OFF button Power transistor test operation starts ARC452 ARC433 Series 1 Turn the system on 2 Select FAN operation with the MODE button on...

Page 89: ...high and low pressure becomes low Indoor unit 89 Outdoor unit 90 WARNING Before performing any maintenance power off the unit INFORMATION After all checks are made make sure the water and brine circui...

Page 90: ...frigerant freezes inside the electronic expansion valve and is basically the same phenomenon as pump down Dirt in the refrigerant clogs filters inside the piping and is basically the same phenomenon a...

Page 91: ...split M Series Part 5 Appendix This part contains the following chapters Field setting 93 Detailed information setting mode 97 Wiring diagram 98 Piping diagram 104 Component overview of unit 110 Prod...

Page 92: ...ESIE16 02B Part 5 Appendix Page 92 4 04 17 Version 1 1 RA R32 Split multi split M Series...

Page 93: ...splayed at the lower left 4 Press temperature button 1 10 select 4 and press fan button as decision number is displayed at the lower right 5 Press temperature button 0 1 select 0 and press fan button...

Page 94: ...ror check switch on the outdoor unit service PC board However the wiring error check switch will not function for 3 minutes after the safety breaker is turned on or depending on the outside air condit...

Page 95: ...all other indoor units do not operate and enter standby mode according to the operation mode of the set indoor unit 1 2 Priority during high power operation If the indoor unit which is set for priorit...

Page 96: ...e connector housing and pins ST products Housing VHR 5N Pin SVH 21T 1 1 Figure 5 5 S15 connector location 5 1 2 2 4 Multi Split outdoor jumper settings Figure 5 6 Jumper location 5 1 3 Remote controll...

Page 97: ...tailed information setting mode RA R32 Split multi split M Series 4 04 17 Version 1 1 Page97 5 2 Detailed information setting mode 5 2 1 Indoor unit Not available 5 2 2 Outdoor unit Not available 5 2...

Page 98: ...ESIE16 02B Part 5 Appendix 5 3 Wiring diagram RA R32 Split multi split M Series Page 98 4 04 17 Version 1 1 5 3 Wiring diagram 5 3 1 Indoor unit Not applicable...

Page 99: ...5 1 5 1 5 M WHT YLW ORG BLU RED M WHT YLW ORG BLU RED M WHT YLW ORG BLU RED Y2S S20 WHT S21 RED S22 BLU A B C S40 4 1 GRY GRY S2PH BLK BLK Q1L X13A BLK BLK P S1PH P BLK 3 MS BLU YLW RED M1C X11A GRN...

Page 100: ...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 1 2 3 X4M 1 2...

Page 101: ...S80 3 1 BLU BLU Y1S MRCW PCB1 Wiring diagram Field wiring Indoor C7 DB1 FU1 FU2 FU3 IPM1 L PAM M1C M1F MRCW MR30 MRM10 MRM20 N Q1L PCB1 S20 S40 S70 S80 S90 R1T R2T R3T SA1 V1 V2 V3 X1M Y1E Y1S Z1C Z2C...

Page 102: ...Pulse amplitude modulation For the power requirements refer to the nameplate 3D090522A 1 2 3 L N L 1 N 2 3 BLK WHT RED n 5 Z3C X1M GRN YLW GRN Z2C n 4 GRN Indoor Outdoor Field wiring Wiring diagram S...

Page 103: ...S40 S70 S80 FU1 FU2 FU3 Ferrite core Varistor Connector Magnetic relay Fuse Grey GRY BLU ORG YLW GRN BRN RED WHT BLK Blue Orange Yellow Green Red Brown White Black Earth Protective earth PAM PS N S1PH...

Page 104: ...ay valve Heat exchanger Discharge pipe thermistor Propeller fan ON heating Muffler 7 9CuT Muffler 9 5CuT 9 5CuT Branch pipe 9 5CuT Muffler Gas stop valve Muffler Gas stop valve 9 5CuT 9 5CuT Thermisto...

Page 105: ...Refnet header S1PH S2PH High pressure switch Manual reset Automatic reset SV Solenoid valve 9 5CuT 9 5CuT 6 4CuT 12 7CuT Heat exchanger thermistor Outdoor air temperature thermistor 15 9CuT 7 9CuT 7...

Page 106: ...efrigerant flow Refnet header Accumulator Discharge pipe thermistor Thermistor liquid Heating Cooling Refnet header S1PH S2PH High pressure switch Manual reset Automatic reset SV Solenoid valve 9 5CuT...

Page 107: ...Cooling Heating Refrigerant flow Heat exchanger thermistor 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 6 4CuT 6 4CuT 6 4CuT 7 9CuT 7 9CuT 4 0CuT 4 0CuT 4 0CuT 4 0CuT 6 4CuT 6 4CuT 1 2 3 4 1 4 Capillary...

Page 108: ...6 4CuT 7 9CuT 7 9CuT 4 0CuT 4 0CuT 4 0CuT 4 0CuT 6 4CuT 6 4CuT 1 2 3 4 1 4 Capillary tube Muffler 9 5CuT 9 5CuT 12 7CuT Receiver gas Filter Gas stop valve with service port M EV Propeller fan Heat exc...

Page 109: ...iquid stop valve Gas stop valve with service port Muffler Muffler Compressor Discharge pipe thermistor Propeller fan Outdoor temperature Thermistor Heat exchanger thermistor 4 way valve Accumulator ON...

Page 110: ...l 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 111: ...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 112: ...ESIE16 02B Part 5 Appendix 5 8 Field information report RA R32 Split multi split M Series Page 112 4 04 17 Version 1 1 5 8 Field information report See next page...

Page 113: ...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 114: ...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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