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Service manual JKD DCI(Version 1)

1. adopting PG motor only 202032591 588 INDOOR WIRING DIAGRAM Applicable tothe units adopting DC 1 i mono 1 SWING molor only T 1 BLUE BLACK os tt IN FAN da BLUE BLACK h IN i i 3 i 5 T3 1 1 RD PE ee E i CN6 N4 1 N5 1 U Ler Power suppl N LOUT 04 W A S N L 1 MONOSPLIT CN16 OPTIONAL 1 5 AA 1 1 RY1 1CN14 5 a MA L L OPTIONAL 1 ROOM AIR THERMISTOR Di ioi d CN8 ET INDOOR UNIT CN10A MELIOR rC P 10 CJ CNO INDOOR COIL THERMISTOR WNSO OSNL ES OUTDOORUNT OUTDOORUNIT YIG T ar MONO MULTI RCW8 OPTIONAL NOTE DISPLAY BOARD lenses 1 If connected to MONOSPLIT type outdoor connect W N S to outdoor 2 If connected to MULTISPLIT type outdoor remove power cord and connect L N S to outdoor AWSI JKD024 N11 202032991215 INDOOR WIRING DIAGRAM BLUE BLACK YELLOW YIG OUTDOOR UNIT N CN14 CN1 CI CN16 SWING MOTOR DISPLAY BOARD COIL THERMISTOR INDOOR RCW8 HH JKD DCI Version 1 6 2 Outdoor Unit WAU VKD009 H11 202037391393 Remark
2. rdi More than 60cm Service space Air PS lt Air inlet os Air eu t 1 W1 Model W D H W1 A B AWAU VKD009 H11 780 250 540 843 549 276 AWAU VKD012 H11 780 250 540 843 549 276 AWAU VKD018 H11 760 285 590 823 530 290 AWAU VKD024 H11 845 320 700 908 560 335 JKD DCI 15 Version 1 REFRIGERANT CYCLE DIAGRAM 5 Refrigerant Cycle Diagram INDOOR OUTDOOR qe CHECK VALVE LIQUID SIDE Heating Model only N t A ass 4 9907 NND 4 2 WAY VALVE zb Condenser 009007 temp sensor CAPILIARY TUBE D HEAT EXCHANGE m EVAPORATOR HEAT V T1 Room temp T4 Ambient V EXCHANGE A sensor temp sensor CONDENSER T2 Evaporator temp sensor A GAS SIDE Pe 7 v 4 WAY VALVE P4 x N YY Lh Accumulator Mo Cam T5 Discharge temp sensor NEQU 4 COOLING HEATING JKD DCI 16 Version 1 WIRING DIAGRAM 6 Wiring Diagram 6 1 Indoor Unit AWSI JKD009 N11 AWSI JKD012 N11 AWSI JKD018 N11 Applicable to the units
3. j Note The picture above is only for reference The plug of your side may be different Main parts check 1 Temperature sensor checking Disconnect the temperature sensor from PCB measure the resistance value with a tester LS Ny N Q Tester JKD DCI 64 Version 1 Temperature Sensors Room temp T 1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor discharge temp T5 sensor Measure the resistance value of each winding by using the multi meter Table 1 Some frequently used data for T1 T2 T3 and T4 sensor T kay asa 207 wea 125 s 52 Table 2 Some frequently used R T data for T5 sensor renee fs 5 5 e Resistance value Temperature JKD DCI 65 Version 1 TROUBLE SHOOTING Spec Code 210032300899 210032400280 210032800707 210032900568 Model AWSI JKDOO9 N11 AWSI JKDO12 N11 AWSI JKD018 N11 AWSI JKD024 N11 Compressor ASN108D22UEZ ASN108D22UEZ DA130M1C 31FZ DA150S1C 20FZ RPG20E WZDK20 38G WZDK30 38G WZDK58 38G x x X Outdoor fan WZDK36 38G W WZDK36 38G W WZDK36 38G W WZDK50 38G motor Xx Note The motor marked means DC fan motor with control chip in the PCB while the one marked sx means DC fan motor with control ch
4. H uz e valve _ Gas side M U M N Ez X Js valve 4 Charging cylinder if Electronic scale Procedure 1 Connect the charge hose to the 3 way service port open the 2 way valve and the 3 way valve Connect the charge hose to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weight JKD DCI 25 Version 1 INSTALLATION DETAILS SLECTRA 4 Operate the air conditioner at the cooling mode 5 Open the valves Low side on the charge set and charge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the gauge and the pressure of the low side disconnect the charge hose from the 3 way valve s service port immediately and turn off the air conditioner before disconnecting the hose 7 Mount the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage 7 6 Re installation while the indoor unit need to be repaired 1 Collecting the refrigerant
5. Outside diameter Torque Additional tightening torque mm inch N cm N cm 06 35 1 4 1500 153kgf cm 1600 163kgf cm 09 52 3 8 2500 255kgf cm 2600 265kgf cm 012 7 1 2 3500 357kgf cm 3600 367kgf cm 015 9 5 8 4500 459kgf cm 4700 479kgf cm 019 3 4 6500 663kgf cm 6700 683kgf cm 7 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Rated current of appliance Nominal cross sectional area mm The cable size and the current of the fuse or switch are determined by the maximum current indicated on the nameplate which located on the side panel of the unit Please refer to the nameplate before selecting the cable fuse and switch JKD DCI 20 Version 1 CELBETRR mSTALATIONDETALS 7 3 Pipe length and the elevation The pipe length and refrigerant amount Standard Max Additional length Elevation refrigerant 3 8 1 4 9 52 06 35 AWSI JKD012 N11 AWAU VKD012 H11 5 20 20 1 2 1 4 eee sare DU 012 7 6 35 AWSI JKD024 N11 AWAU VKD024 H11 3 5 3 8 5 10 25 40 015 9 9 52 Indoor unit Outdoor unit Caution The capacity test is based on the standard length and the maximum permissive length is basedon the system reliability Oil trap When the outdoor unit is installed above the indoor unit an oil trap is required every 3m along the suction line at the lowest point In case the in
6. 0 2 P 90 4 Fanype amp quatiy Cross flow fan x1 External static pressure MnMa Pa 0 Condensate drain tube 1 0 Packaged weight 12 5 ae Reigerantconro O Compressor type model RotayDCinverner Fan type amp quantity Axial x 1 Dimensions WxHxD Refrigeranttype O 1 4 6 35 Max height difference Operation controltype Remote control Heatingelements Others JKD DCI 11 Version 1 Q 2 oc Q a 2 SLEcitkr SPECIFICATION Model Indoor Unit AWSI JKD024 N11 Model Outdoor Unit AWAU VKD024 H11 Installation Method of Pipe Enegyeficencyclass CE A Fanpe amp quatiy __ External static pressure MinMax Pa mm mm kg mm Packaged weight kg 15 3 wis 1 8 Refrigerant control O Compressor type model Twin totary DC Inverter Fan type amp quantity Ext O Fan speeds Sound powerlevel HL dBA 6 Dimensions WxHxD Packaged weight kg Weight 122 50 Refrigeranttype Refrigerant charge standard connecting tubing length Liquid line Suction line pH Connections between units Max tubing length 25 10 oc oc a HT 2 Max height difference m Operation control type Remote control Heating elements Others
7. dende eden Eva ee 20 7 3 Pipe length and the 21 7 4 Installation for the first time emen 22 7 5 Adding the refrigerant after running the system for many 25 7 6 Re installation while the indoor unit need to be 26 7 7 Re installation while the outdoor unit need to 28 8 Operation nn sinn assa sa sss nnns 32 9 Electronic f nctlon 2 tle eerte iE 33 9 33 9 2 Display function 33 9 8 1 34 9 4 Operation Modes and Functions 36 10 Troubleshiooting e ka a Rome ce duae eaa 51 10 1 Indoor Unit Error Display 2 rernm Eee 51 10 2 Diagnosis and SolUtiOn dre Ra RR ae A ee eet Rt reis 52 11 Exploded View assesses 69 dl Ndr Ut 69 11 1 77 PRECAUTION 1 Precaution 1 1 Safety Precaution B To prev
8. Connect the charge set and a charging cylinder to the service port of the 3 way valve Leave the valve on the charging cylinder closed 3 Air purging Open the valves on the charging cylinder and the charge set Purge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 seconds then closing it for 1 minute repeat 3 times JKD DCI 27 Version 1 After purging the air use a torque wrench to tighten the flare nut on the 2 valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2 way valve approximately 45 until the gauge indicates 0 3 to 0 5 Mpa 6 Disconnect the charge set and the charging cylinder and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount the valve stems nuts and the service port cap Be sure to use a torque wrench to tighten the service port cap to a torque 18N m Be sure to check the gas leakage 7 7 Re installation while the outdoor unit need to be repaired 1 Evacuation for the whole system Outdoor unit 2 MEQ Gas side KA 3 way valve Vacuum pump Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position 2 Co
9. Handle Hi zh Charge hose Charge hose E Vacuum pump d Vacuum pump Completely tighten the flare nuts of the indoor and outdoor units confirm that both the 2 way and 3 way valves are set to the closed position Connect the charge hose with the push pin of handle lo to the 3 way valves gas service port Connect the charge hose of handle hi connection to the vacuum pump Fully open the handle Lo of the manifold valve Operate the vacuum pump to evacuate Make evacuation for 30 minutes and check whether the compound meter indicates 0 1 If 22 Version 1 the meter does not indicate 0 1Mpa after pumping 30 minutes it should be pumped 20 minutes more If the pressure can t achieve 0 1Mpa after pumping 50 minutes please check if there are some leakage points Fully close the handle Lo valve of the manifold valve and stop the operation of the vacuum pump Confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 7 Turn the flare nut of the 3 way valves about 45 counterclockwise for 6 or 7seconds after the gas coming out then tighten the flare nut again Make sure the pressure display in the pressure indicator is a little higher than the atmosphere pressure Then remove the charge hose from the 3 way valve 8 Fully open the 2 way valve and 3 way valve and securely tighten the cap of the 3 way valve 2 Air purging by refrigerant
10. OAT Outdoor Air Thermistor OCT OCT Outdoor Coil Thermistor CTT Compressor Discharge Thermistor CCH Compressor Crankcase Heater BH Base Heater 1 OPTIONAL CN8 W 7 HYOSSAIJNOI 202037891119 gr SAE Remark Outdoor Air Thermistor OCT Outdoor Coil Thermistor BLACK CTT Compressor Discharge Thermistor CCH Compressor Crankcase Heater BH Base Heater OPTIONAL 1 ELECTRICAL i EXPANSION VALVE wlan 5 omoomur 1 11 W 2N 8 Ss INDOOR UNIT REACTOR R1005 820035 OUTDOOR WIRING DIAGRAM JKD DCI 18 Version WIRING DIAGRAM AWAU VKD024 H11 202037990939 ELECTRONIC EXPANSIVE VALVE OUTDOOR AMBIENT TEMPERATURE SENSOR 13 CONDENSER Bae TEMPERATURE SENSOR DISCHARGE SENSOR HEAT2 049 CNB HEATL ene ons AWAY REACTOR PH eee op ooh nd TO INDOOR UNIT POWER SUPPLY JKD DCI 19 Version 1 INSTALLATION DETAILS zLzii ikm 7 Installation Details 7 1 Wrench torque sheet for installation
11. Indoor unit Y Liquid side gt side Procedure 1 Confirm that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge set and a charging cylinder to the service port of the 3 way valve 3 Air purging Open the valves on the charging cylinder and the charge set Purge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage JKD DCI 23 Version 1 INSTALLATION DETAILS SLE TRA 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2 way valve approximately 45 until the gauge indicates 0 3 to 0 5 Mpa 6 Disconnect the charge set and the charging cylinder and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount the valve stems nuts and the service port cap Be sure to use a torque wrench to tighten the service port cap to a torque 18N m Be sure to check the gas leakage 3 Adding the refrigerant if the pipe length gt 5m 1 indoor unit v side Outdoor unit N x A m 72 J H
12. JKD DCI 12 Version 1 DIMENSION LETRA 4 Dimension 4 1 Indoor Unit AWSI JKDOO9 N11 AWSI JKDO12 N11 AWSI JKD018 N11 AWSI JKDO24 N11 JKD DCI 13 Version 1 DIMENSION Dimension of installation AWSI JKD009 N1 1 100 95 45 AWSI JKDO12 N11 65 1 L i i i 4 OH am 3 NE F d ND 1 L 0 ASIA S 2 4 e A b Nu 3 i 6 0 gt gt Ed 0 65 JKD DCI 14 Version 1 210 DIMENSION 4 2 Outdoor Unit More than 30cm UU 777777777777777777 A More than 3
13. off time 9 4 7 5 Timer off on The machine will turn off automatically when reaching the setting off time and then turn on automatically when reaching the setting time 9 4 7 6 The timer function will not change the AC current operation mode Suppose AC is off now it will not start up firstly after setting the timer off function And when reaching the setting time the timer LED will be off and the AC running mode has not been changed 9 4 7 7 The setting time is relative time 9 4 8 Sleep function mode 9 4 8 1 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode and turns off 9 4 8 2 Operation process in sleep mode is as follow When cooling the setting temperature rises 1 C be lower than 30 C every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed as low speed When heating the setting temperature decreases 1 C be higher than 17 C every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed as low speed Anti cold wind function has the priority 9 4 8 3 Timer setting is available 9 4 8 4 When user uses timer off function in sleep mode or sleep function in timer off mode if the timing is less than 7 hours sleep function will be cancelled when reaching the setting time If the timing is more than 7 hours the machine will not stop until reaches the setting time in sleep mode 9 4 9 Auto Restart function The indo
14. 4 Ambient temperature sensor assembly 1 202433190000 19 5 Pipe temperature sensor assembly 1 202301300426 19 6 Wire joint 1 202301450119 20 Cover of electronic control box 1 201132490126 21 Remote Controller 1 203355000031 22 Seal ring 1 202720090001 23 Drain joint 1 201101020011 24 Air freshening filter 1 201131410703 25 Air filter left 1 201132591042 26 Air filter right 1 201132591040 JKD DCI 72 Version 1 EXPLODED VIEW AND SPARE PART LIST AWSI JKD018 N11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST ED co a gt e u gt lt gt zd Version 73 JKD DCI EXPLODED VIEW AND SPARE PART LIST No Part Name Quantity BOM Code 1 Panel assembly 1 2 Air filter 2 201132790664 3 Display box assembly 1 203332890588 3 1 Display board assembly 1 201333090687 4 Cover of electrical equipment 1 201119901024 5 Panel frame assembly 1 201132790667 5 1 Screw cap 2 201119900950 6 Drain hose 1 201101020038 7 Pipe Nut 1 201600330003 7 Pipe Nut 1 201600330001 8 Fix clamp of temperature sensor 1 201102000305 9 Evaporator assembly 1 201532890160 10 Fan motor cover 1 201132790663 11 Brushless DC Motor 1 202400300517 12 Bearing holder 1 201119900952 13 Bearing base 1 202719900606 14 Cross flow fan 1 201100200322 15 Horizontal louver 1 2011327906
15. BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST JKD DCI 69 Version 1 LzcTkm EXPLODED VIEW AND SPARE PART LIST No Part Name Quantity BOM Code 1 Panel assembly 1 3 Display box assembly 1 203332591 125 3 1 Display board assembly 1 201333090687 4 Cover of electrical equipment 1 201119901024 5 Panel frame assembly 1 201132591041 5 1 Screw cap 2 201119900950 6 Drain hose 1 201101020038 7 Pipe Nut 1 201600330002 7 Pipe Nut 1 201600330001 8 Fix clamp of temperature sensor 1 201102000305 9 Evaporator assembly 1 201532390220 10 Fan motor cover 1 201132490127 11 Asynchronous motor 1 202400400213 12 Bearing holder 1 201119900952 13 Bearing base 1 202719900606 14 Cross flow fan 1 201100200306 15 Horizontal louver 1 201132591044 16 Chassis assembly 1 201132591057 16 1 Louver motor 1 202400200031 17 Pipe clamp board 1 201119900949 18 Installation plate 1 201232590037 19 Electronic control box assembly 1 203332391 198 19 1 Electronic control box 1 201132490125 19 2 Electronic control box II 1 201132490150 19 3 Indoor main control board assembly 1 201332391780 19 4 Ambient temperature sensor assembly 1 202433190000 19 5 Pipe temperature sensor assembly 1 202301300426 19 6 Wire joint 1 202301450119 20 Cover of electronic control box 1 201132490126 21 Remote Controller 1 203355000031 22 Seal ring 1 202720090001 23 Drain joi
16. T1 Ts keeps in the same temp zone for 3 minutes the compressor will run as the below rules A Increase the frequency to 3 grade higher until to FREMAX B E Increase the frequency to 2 grade higher until to FREMAX F G Increase the frequency to 1 grade higher until to FREMAX H Keep the current frequency I Decrease the frequency to the 1 grade lower until to F1 JKD DCI 42 Version 1 ELECTRONIC FUNCTION J Run at F1 for 1h if T1 Ts AT gt 6 C the compressor will stop Meanwhile the compressor running frequency is limited by the current T4 4 _ HeatT4Zone4l 15 N 14 N i HeatT4Zone3l 9 0 N HeatT4Zonee2l 6 0 N HeatT4Zonetl Y 9 4 3 2 Outdoor fan running rules Heating T4 jd 21 19 18 16 9 4 3 3 Indoor running rules In heating mode indoor fan can be selected as high medium low auto and silent The anti cold wind function is preferential The running rules of anti cold wind function depend on both T1 and T2 that is more comfortable control When the compressor is running the indoor fan is controlled as below JKD DCI 43 Version 1 GSLSCTRA ELECTRONIC FUNCTION speed a H H H G M M M Z SS gt he L L L D If the compressor stops caused by the room temperature rising the indoor fan will be forced to run 127 M 3 seconds with breeze During this period the anti cold wind is disabled Auto
17. differs Consult with technical engineer to get definite value Then start up the unit measure the voltage between P and Is it in 220V 400V No the wires Yes Y Replace outdoor PCB JKD DCI 61 gt Replace the IPM board if it is separate with main PCB Version E S LEcTKn TROUBLE SHOOTING 10 2 9 High temperature protection of compressor top diagnosis and solution P2 Check if the air flow system of indoor and outdoor units Yes are obstructed Clear up the air inlet and outlet or the heat exchanger of indoor and outdoor units No Turn off the power supply and turn it on 10 minutes later Yes Y Check if the unit can start normally Check if all the connection especially No the connection of OLP Over Load No Correct the connection Protector sensor is good Yes Yes Measure the resistance Check if the refrigerant between the two ports of No Replace the OLP the OLP Is it zero charge volume is normal No Yes Y es Replace the outdoor control PCB Refrigerant system is blocked such Recharge the correct as capillary or welded point of pipes refrigerant volume JKD DCI 62 Version 1 TROUBLE SHOOTING TRG _ 10 2 10 Inverter compressor drive error diagnosis and solution
18. fan action in heating mode T1 TstAT y JKD DCI 44 Version 1 ELECTRONIC FUNCTION S 9 4 3 4 Defrosting mode Condition of defrosting If any one of the following items is satisfied AC will enter the defrosting mode After the compressor starts up and keeps running mark the minimum value of T3 from the 10th minutes to 15th minutes as T30 1 If the compressor cumulate running time is up to 29 minutes and T3 lt T3 T30 2 the compressor cumulate running time is up to 35 minutes and T3 TCDI2 T3 T30SUBTSTWO T30 3 If the compressor cumulate running time is up to 29 minutes and T3 for minutes 4 If the compressor cumulate running time is up to 120 minutes and T3 lt 15 C Condition of ending defrosting If any one of the following items is satisfied the defrosting will finish and the machine will turn to normal heating mode T3 rises to be higher than TCDE1 C T3 keeps to be higher than TCDE2 C for 80 seconds The machine has run for 10 minutes in defrosting mode JKD DCI 45 Version 1 Defrosting action For 9k 12k models Compressor 4 way valve Outdoor fan 20 on off on off on off For 18k 24k models Compressor 4 way valve Outdoor fan 20 JKD DCI on off on off on off ELECTRONIC FUNCTION XX 10s no long
19. into the outdoor unit ET EE Yn Pi gis Indoor unit Liquid aide ge e Outdoor unit tm 1 2 way valve Y 2256 T 2 En C NES P C N E d Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position Remove the valve stem caps and confirm that the valve stems are in the opened position Be sure to use a hexagonal wrench to operate the valve stems 2 Connect the charge hose with the push pin of handle lo to the 3 way valves gas service port 3 Air purging of the charge hose Open the handle Lo valve of the manifold valve slightly to purge air from the charge hose for 5 seconds JKD DCI 26 Version 1 and then close it quickly 4 Set the 2 way valve to the close position 5 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1 6 Set the 3 way valve to the closed position immediately Do this quickly so that the gauge ends up indicating 0 3 to 0 5Mpa Disconnect the charge set and tighten the 2 way and 3 way valve s stem nuts Use a torque wrench to tighten the 3 way valves service port cap to a torque of 18N m Be sure to check for gas leakage 2 Air purging by the refrigerant Charging cylinder Procedure 1 Confirm that both the 2 way and 3 way valves are set to the closed position 2
20. main PCB Change the outdoor main PCB JKD DCI 53 Version 1 S LEcTKn TROUBLE SHOOTING 10 2 3 Zero crossing detection error diagnosis and solution E2 Check if the connections and N Correct the connections Turn on the 0 power supply is normal unit when the power supply is good Yes Y Indoor main PCB is defective Replace indoor main PCB 10 2 4 Fan speed has been out of control diagnosis and solution E3 F5 Shut off the power supply and turn it on 5 seconds ben No unit operates normally later Is it still displaying the error code Yes Y Find out the cause and have it solved For example check whether the fan is blocked or the bearing is broken Yes Y Check the wires of fan motor Are all the No Correct the connections connections good Shut off the power supply rotate the fan by hand No Does it rotate properly Yes Y If the Check whether the fan Heslacedhadah malfunction is motor is normal through No m still existing motor index 1 replace the 1 A main PCB No Yes Replace the Check whether the main PCB is main No The normal through index 2 Se malfunction is solved Yes JKD DCI 54 Version 1 TROUBLE SHOOTING 2 RA Index 1 1 Ind
21. temp protector restart 9 3 3 Temperature protection of compressor discharge When the compressor discharge temp is getting higher the running frequency will be limited as below rules Compressor discharge temp T5 gt 115 C for 5s compressor stops and restarts up till T5 lt 90 C 110 lt T5 lt 115 C decrease the frequency to the lower level every 2 minutes 105 lt T5 lt 110 C keep running at the current frequency T5 lt 105 C no limit for frequency 9 3 4 Fan Speed is out of control When Indoor Fan Speed keeps too low 300RPM for certain time the unit will stop and the LED will display the failure 9 3 5 Inverter module protection The Inverter module has a protection function about current voltage and temperature If these protections happen the corresponding code will display on indoor unit and the unit will stop working 9 3 6 Indoor fan delayed open function When the unit starts up the louver will be active immediately and the indoor fan will open 10s later If the unit runs in heating mode the indoor fan will be also controlled by anti cold wind function 9 3 7 Compressor preheating functions Preheating permitting condition If T4 outdoor ambient temperature lt 3 and the machine connects to power supply newly or if T4 3 C and compressor has stopped for over 3 hours the compressor heating cable will work Preheating mode A weak current flow through the coil of compressor from the wiring terminal o
22. the power supply voltage again JKD DCI 50 Version 1 TROUBLESHOOTING _ 10 Troubleshooting 10 1 Indoor Unit Error Display Operation lamp Display LED STATUS x Indoor unit EEPROM parameter error mE Indoor outdoor units communication error Zero crossing signal detection error only for AWSI JKD009 N11 times E Indoor fan speed has been out of control Open circuit or short circuit of indoor room temperature T1 5 times X E4 sensor Open circuit or short circuit of evaporator coil temperature T2 6 times X E5 sensor Open circuit or short circuit of outdoor ambient T4 temperature 2 times sensor Open circuit or short circuit of condenser coil temperature T3 3 times sensor Open circuit or short circuit of compressor discharge T5 yw 4 times temperature sensor x 5 ms Fa Outdoor unit EEPROM parameter error 6 Outdoor fan speed has been out of control Po IPM malfunction or IGBT over strong current protection Over voltage or over low voltage protection High temperature protection of compressor top diagnosis and 3 times solution Only for AWSI JKD024 N11 models O light X Coff flash JKD DCI 51 Version 1 SLEcTKn TROUBLE SHOOTING 10 2 Diagnosis and Solution 10 2 1 EEPROM parameter error diagnosis and solution E0 Shut off the power supply and turn it on 5 seco
23. 0 3 1 Input pipe assembly 1 201637400781 3 2 Condenser 1 201535260671 3 3 Output pipe 1 201648890033 5 Valve plate 1 201237300316 6 Chassis assembly 1 201237490041 7 Right clapboard assembly 1 201237390082 8 Big handle 1 201148100123 9 Water collector 1 201137390017 10 Front panel assembly 1 201237400429 10 1 Air outlet grille 1 201137590017 10 2 Front panel 1 201237400411 13 Axial flow fan 1 201100390002 14 Brushless DC Motor 1 202400300536 15 Supporter assembly of fan motor 1 201237400049 16 Partition board assembly 1 201237400423 17 Left supporter 1 201237400397 18 Supporter of fan motor holder 1 201237400055 19 Top cover assembly 1 201237400412 20 Electronic control box assembly 1 203337390261 20 2 Outdoor main control board assembly 1 201337390235 20 4 Radiator 1 202301901117 20 5 Electronic installing box 1 201137490028 21 Terminal board assembly 1 203337390276 21 1 Wire joint 1 202301400015 21 2 Terminal board 1 201237490039 22 4 ways valve assembly 1 201637391676 22 1 Gas valve 1 201600720094 22 2 4 ways valve 1 201600600521 23 Liquid valve assembly 1 201637490760 23 1 Liquid valve 1 201600700078 24 Compressor 1 201400611186 28 Reactor 1 202301000847 Compound temperature sensor 30 1 202301300801 assembly 31 Cover of electronic control box 1 201137490029 JKD DCI 78 Version 1 EXPLODED VIEWANDSPAREPARTLIST AWAU VKDO012 H11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART L
24. 2 4 ways valve assembly 1 201637391676 22 1 Gas valve 1 201600720094 22 2 4 ways valve 1 201600600521 23 Liquid valve assembly 1 201637490760 23 1 Liquid valve 1 201600700078 24 Compressor 1 201400611186 26 Discharge temperature sensor 1 202301310068 assembly 28 Reactor 1 202301000867 JKD DCI 80 Version 1 ExPLODEDVIEWANDSPAREPARTLIST GELEETRA AWAU VKD018 H11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST JKD DCI 81 Version 1 LzcTkm EXPLODED VIEW AND SPARE PART LIST No Part Name Quantity BOM Code 1 Ambient temperature sensor assembly 1 202301300115 2 Rear net 1 2011374G0003 3 Condenser assembly 1 201537390033 4 Pipe temperature sensor assembly 1 202440500004 5 Valve plate 1 201237200299 6 Chassis assembly 1 201237590104 7 Right clapboard assembly 1 201237500263 8 Big handle 1 201148100123 9 Water collector 1 201137400000 10 Air outlet grille 1 201137590017 12 Front panel 1 201237400392 13 Axial flow fan 1 201100390002 14 Brushless DC Motor 1 202400300536 15 Supporter assembly of fan motor 1 201237390026 16 Partition board assembly 1 201237500242 16 3 Reactor 1 202301000903 17 Left supporter 1 201237400400 18 Top cover assembly 1 201237900028 19 Electronic control box assembly 1 203337790154 19 1 Cover of electronic control box 1 201237300162 19 2 Outdo
25. 3 Heating Mode 9 4 3 1 Compressor running rules The maximum operation frequency of the compressor after starting submits to the following rule JKD DCI 1 11 12 15 16 14 t Fmax F21 Fmax F22 Fmax F23 Off Fmax T4FREHEATMAX1 Fmax T4FREHEATMAX2 Fmax T4FREHEATMAX3 Fmax T4FREHEATMAX4 Fmax T4FREHEATMAX5 Fmax T4FREHEATMAX6 Fmax T4FREHEATMAX7 Fmax T4FREHEATMAX8 Fmax T4FREHEATMAX9 Fmax F24 Y Fmax F25 41 Version 1 I RA ELECTRONIC FUNCTION Meanwhile the maximum frequency is limited by the indoor fan speed Indoor fan speed Maximum frequency High speed 8 degree heating turbo function No limit Medium speed FHeatMaxMidFan Low speed sleep mode FHeatMaxLowFan Silent mode Fixed at F3 If users switch on by remote controller the compressor will run at the Fmax frequency for 7 minutes according to outdoor ambient temp During the 7 minutes the frequency limitation is active 7 minutes later the compressor running frequency will be controlled as below T1 Ts AT 5 0 J 44 5 4 0 H T 43 0 42 5 2 0 D 41 5 1 0 B 40 5 While the zones of A B C are corresponding to different compressor running frequency AT 0 C as default Note When
26. 5 20 13 19 12 17 10 While A B C means different fan speed of outdoor unit 9 4 2 3 Indoor fan running rules In cooling mode indoor fan runs all the time and the speed can be selected as high medium low auto and silent When the compressor is running the indoor fan is controlled as below JE speed speed roe Bj 2 je M M M pee L s es u u on Ul JKD DCI 39 Version 1 CELECTRA _ ELECTRONIC FUNCTION _ The auto fan acts as below rules T1 Ts 6 0 gm d E ya H L 0 75 L zo ib ii le H L 0 25 L d L 1 0 ie zi 9 4 2 4 Condenser temperature protection 55 C T3 60 C the compressor frequency will decrease to the lower level until to F1 and then runs at F1 If T3 54 C the compressor will keep running at the current frequency T3 lt 52 C the compressor will not limit the frequency and resume to the former frequency T3 gt 60 C for 5 seconds the compressor will stop until T3 52 C 9 4 2 5 Evaporator temperature protection T2 lt 0 C the compressor will stop and restart when 2 gt 5 0 C S T2 4 C the compressor frequency will be limited and decreased to the lower level 4 CsT2s7 C the compressor will keep the current frequency T2 gt 7 C the compressor frequency will not be limited JKD DCI 40 Version 1 ELECTRONIC FUNCTION 9 4
27. 5 4 Evaporator anti freezing protection condenser high temperature protection and outdoor unit frequency limit are active and the same as that in cooling mode 9 4 5 5 The outdoor fan operates the same as in cooling mode 9 4 6 Forced operation function 9 4 6 1 Enter forced operation function When the machine is off pressing the touch button will carry the machine to forced auto mode If pressing the button once again within 5 seconds the machine will turn into forced cooling mode In forced auto forced cooling or any other operation mode pressing touch button will turn off the machine 9 4 6 2 In forced operation mode all general protections and remote control are available 9 4 6 3 Operation rules Forced cooling mode The compressor runs at F2 frequency and indoor fan runs as breeze After running for 30 minutes the machine will turn to auto mode as 24 C setting temperature Forced auto mode The action of forced auto mode is the same as normal auto mode with 24 C setting temperature 9 4 7 Timer function 9 4 7 1 Timing range is 24 hours JKD DCI 48 Version 1 ELECTRONIC FUNCTION 9 4 7 2 Timer on The machine will turn on automatically when reaching the setting time 9 4 7 3 Timer off The machine will turn off automatically when reaching the setting time 9 4 7 4 Timer on off The machine will turn on automatically when reaching the setting on time and then turn off automatically when reaching the setting
28. 65 16 Chassis assembly 1 201132790680 16 1 Louver motor 1 202400200031 17 Pipe clamp board 1 201119900949 18 Installation plate 1 201232790013 19 Electronic control box assembly 1 203332890706 19 1 Electronic control box 1 201132490125 19 2 Electronic control box II 1 201132490150 19 3 Indoor main control board assembly 1 20133289081 1 19 4 Ambient temperature sensor assembly 1 202433190000 19 5 Pipe temperature sensor assembly 1 202301300426 19 6 Wire joint 1 202301450119 20 Cover of electronic control box 1 201132490126 21 Remote Controller 1 203355000031 22 Seal ring 1 202720090001 23 Drain joint 1 201101020011 24 Air freshening filter 1 201131410703 JKD DCI 74 Version 1 EXPLODED VIEW AND SPARE PART LIST AWSI JKD024 N11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST Accessory part ou zd Version 75 JKD DCI EXPLODED VIEW AND SPARE PART LIST No Part Name Quantity BOM Code 1 Panel assembly 1 2 Air filter right 1 201133091043 3 Air filter left 1 201133091044 4 Display box assembly 1 203333090474 4 1 Display board assembly 1 201333090687 5 Cover of electrical equipment 1 201133091048 6 Panel frame assembly 1 201133091041 6 1 Screw cap 3 201119900950 7 Horizontal louver 1 201133090987 8 Air outlet assembly 1 201133091126
29. 8 1 Louver motor 1 202400200120 9 Drain hose 1 201101020038 10 Pipe Nut 1 201600330004 10 Pipe Nut 1 201600330002 11 Fix clamp of temperature sensor 1 201102000305 12 Evaporator assembly 1 201533090140 13 Fan motor cover 1 201133090980 14 Fixing board of fan motor 1 201133090167 15 Brushless DC Motor 1 202400300064 16 Bearing holder 1 201119900952 17 Bearing base 1 202719900606 18 Cross flow fan 1 201100200053 19 Chassis assembly 1 201133091040 20 Pipe clamp board 1 201232800103 21 Installation plate 1 201232590038 22 Electronic control box assembly 1 203333090559 22 1 Electronic control box 1 201133091038 22 2 Indoor main control board assembly 1 201333090830 22 4 Ambient temperature sensor assembly 1 202433190000 22 5 Pipe temperature sensor assembly 1 202301300426 22 6 Wire joint 1 202301450119 23 Cover of electronic control box 1 201133091042 24 Remote Controller 1 203355000031 25 Seal ring 1 202720090001 26 Drain joint 1 201101020011 27 Air freshening filter 1 201131410703 JKD DCI 76 Version 1 EXPLODED VIEWANDSPAREPARTLIST 11 1 Outdoor unit AWAU VKDO009 H11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST JKD DCI 77 Version 1 EXPLODED VIEW AND SPARE PART LIST No Part Name Quantity BOM Code 2 Rear net 1 201137600001 3 Condenser assembly 1 20153759111
30. Airwell Residential AIPWELL ELECTRA s JOHNSON LSCI RA Service Manual JKD DCI Series Indoor Units Outdoor Units AWSI JKD009 N11 AWAU VKD009 H11 AWSI JKD012 N11 AWAU VKD012 H11 AWSI JKD018 N11 AWAU VKD018 H11 AWSI JKD024 N11 AWAU VKD024 H11 REFRIGERANT R410A HEATPUMP SM JKD DCI 1 A 1 GB SEP 2014 CONTENTS 1 2 3 1 1 SatetyPreCautlOmin Em 3 AFER 3 2 Part Names And Functions 14 8 2 1 Model Names of Indoor Outdoor 8 2 2 Functions of Indoor Outdoor 8 3 Irem C M 9 4 ERI 13 AN ndoor Unit areni cepe eee ur duo dace e Tor gated 13 4 2 Outdoor Unit 15 5 Refrigerant Cycle Diagram iiinis eiretie eaa 16 6 Wiring DIAGF ANN 17 6 1 Indoor Untere eee red 17 6 2 Outdoor Unit eiit e o 18 Installation DetailS cer c M E 20 7 1 Wrench torque sheet for 20 7 2 Gonnecting the Cables rn Ire eee ER esu ce ee va pea oe
31. IST JKD DCI 79 Version 1 LzcTkm EXPLODED VIEW AND SPARE PART LIST No Part Name Quantity BOM Code 1 Ambient temperature sensor assembly 1 202301310075 2 Rear net 1 201137600001 3 Condenser assembly 1 201537591110 3 1 Input pipe assembly 1 201637400781 3 2 Condenser 1 201535260671 3 3 Output pipe 1 201648890033 4 Pipe temperature sensor assembly 1 202440500004 5 Valve plate 1 201237300316 6 Chassis assembly 1 201237490041 7 Right clapboard assembly 1 201237390082 8 Big handle 1 201148100123 9 Water collector 1 201137390017 10 Front panel assembly 1 201237400429 10 1 Air outlet grille 1 201137590017 10 2 Front panel 1 201237400411 13 Axial flow fan 1 201100390002 14 Brushless DC Motor 1 202400300536 15 Supporter assembly of fan motor 1 201237400049 16 Partition board assembly 1 201237400423 17 Left supporter 1 201237400397 18 Supporter of fan motor holder 1 201237400055 19 Top cover assembly 1 201237400412 20 Electronic control box assembly 1 203337590124 20 1 Cover of electronic control box 1 201237300162 20 2 Outdoor main control board assembly 1 201337590100 20 3 Support of electronic control box 1 201137300162 20 4 Radiator 1 202301990015 20 5 Electronic installing box 1 201237300033 21 Terminal board assembly 1 203337390276 21 1 Wire joint 1 202301400015 21 2 Terminal board 1 201237490039 2
32. P4 Correct he connection or compre y Yes replace the wires and error and if the wires and connectors connectors are broken No Y Correct the installation Check if the IPM installed correctly No tighten the screws and apply silicon grease Yes Y IPM continuity check Check if the Replace the IPM board or replace IPM terminal resistance values are No the main if the IPM board and uniform main PCB are integrated together Yes Check if the outdoor fan runs Refer to the solution of fan speed has been out of control PA M e one malfunction Find out the cause and have it solved Yes Check if the compressor resistance values are uniform Yes Y Replace the outdoor main PCB if the main PCB and IPM are separate No Replace the compressor JKD DCI 63 Version 1 SLEcTRA TROUBLE SHOOTING Safety Electricity power is still kept in capacitors even the power supply is shut off Do not forget to discharge the electricity power in capacitor Electrolytic Capacitors HIGH VOLTAGE CAUTION Connect discharge resistance 1000 40W or soldering iron plug between terminals of the electrolytic capacitor on the contrary side of the outdoor PCB Discharging position Discharging period 10 seconds or more Plug of 4 soldering iron
33. There is risk of electric shock or fire Stop operation and close the window in storm or hurricane If possible remove the JKD DCI 4 Version 1 PRECAUTION product from the window before the hurricane arrives There is risk of property damage failure of product or electric shock B Do not open the inlet grill of the product during operation Do not touch the electrostatic filter if the unit is so equipped There is risk of physical injury electric shock or product failure B When the product is soaked contact an authorized service center There is risk of fire or electric shock B Be caution that water could not enter the product There is risk of fire electric shock or product damage B Ventilate the product from time to time when operating it together with a stove etc There is risk of fire or electric shock B Turn the main power off when cleaning or maintaining the product There is risk of electric shock B When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation B care to ensure that nobody could step on or fall onto the outdoor unit This could result in personal injury and product damage CAUTION B Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product B install the dra
34. ackage dimensions LxWxH mm 910x335x585 Packagedweight 1 9 7 Refigerantipe 1402 R410A Refrigerant charge standard connecting tubing lenath 08 Connections between units 3 8 9 92 Max height difference m 8a y y O Operation controltyoe Heaingelemens Others TE OUTDOOR JKD DCI 9 Version 1 L r I RA SPECIFICATION Model Indoor Unit AWSI JKD012 N11 Model Outdoor Unit AWAU VKD012 H11 Installation Method of Pipe Flared Characteristics Cooling Heating Average Capacity 3 5 1 2 4 0 3 05 Energy efficiency class 7 15 Fantype amp quantity External static pressure MinMax 865 x350x265 Stackingheight mits e Refrigerant control O Compressor type model Rotary DC Inverter Fan type amp quantity O Air flow Sound power level dB A 64 53 H L Soundpressurelevel 29 5 Refrigeranttype RATA Refrigerant charge standard connecting tubing length Additional charge per 1 meter gr im Max height difference m Remote control Operation control type P Remote control oc oc a 2 Heating elements kW Others JKD DCI 10 Version 1 sPEcCATON O OO O OO o Model Indoor Unit AWSI JKD018 N11 Model Outdoor Unit AWAU VKD018 H11 Installation Method of Pipe Flared Energy efficiency cass
35. ange the PCB Otherwise go to step 3 3 Rotate the fan by hand measure the voltage of pin1 5 pin 2 5 and pin 3 5 in feedback signal connector any voltage is not positive voltage fluctuation the fan motor must has problems and need to be replaced Index2 1 Indoor AC Fan Motor Power on and set the unit running in fan mode at high fan speed After running for 15 seconds measure the voltage of pin1 and pin2 If the value of the voltage is less than 100V 208 240V power supply or 50V 115V power supply the PCB must has problems and need to be replaced JKD DCI 56 Version 1 TROUBLESHOOTING Input Terminal Red Red 1 Black 2 White White 3 Black 2 Indoor or Outdoor DC Fan Motor control chip is in fan motor Power and when the unit is in standby measure the voltage of pin1 pin3 pin4 pin3 in fan motor connector If the value of the voltage is not in the range showing in below table the PCB must has problems and need to be replaced ze N 1 3456 DC motor voltage input and output NO Color Signal Voltage 1 Red Vs Vm 280V 380V 3 Black GND OV 4 White Vcc 14 17 5V 5 Yellow Vsp 0 5 6V 6 Blue FG 14 17 5V JKD DCI 57 Version 1 L r I RA TROUBLE SHOOTING 10 2 5 Open circuit or short circuit of temperature sensor diagnosis and solution E4 E5 F1 F2 F3 Check the connections between
36. board assembly 1 201248100389 11 Front panel 1 201248100390 12 Air outlet grille 1 201138090006 13 Axial flow fan 1 201100300553 14 Brushless DC Motor 1 202400300535 15 Supporter assembly of fan motor 1 201257090067 16 Rear supporter 1 201248100384 17 Top cover assembly 1 201248100266 18 Left supporter 1 201248100367 19 Partition board assembly 1 201257190118 20 Electronic control box assembly 1 203338090356 20 1 Cover of electronic control box 1 201157190011 20 2 Outdoor main control board assembly 1 201338090096 20 3 Inverter control board assembly 1 201338090092 20 4 Electronic installing plate 1 201157190010 20 5 Radiator 1 202301901173 21 Terminal board assembly 1 203337990358 21 1 Wire joint 1 202301450155 21 2 Terminal board 1 201257190117 22 Liquid valve assembly 1 201638091 131 22 1 Liquid valve 1 201600740704 23 4 ways valve assembly 1 201638091130 23 1 Gas valve 1 201600720296 23 2 4 ways valve 1 20160069001 1 24 Compressor 1 201400600530 26 Discharge temperature sensor 1 202448200000 assembly 28 Reactor 1 202301000943 JKD DCI 84 Version 1 ExPLODEDVIEWANDSPAREPARTLIST LESTE SERVICE MANUAL JKD DCI Series
37. ct the dealer or an authorized service center B Do not install the product on a defective installation stand B Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury B Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock B Do not place anything on the power cable There is risk of fire or electric shock B Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock B Do not touch operation the product with wet hands B Do not place a heater or other appliance near the power cable There is risk of fire and electric shock B Do not allow water to run into electrical parts It may cause fire failure of the product or electric shock B Do not store or use flammable gas or combustible near the product There is risk of fire or failure of product B Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on Ei If strange sounds or smoke comes from product turn the breaker off or disconnect the power supply cable
38. door unit is installed above the outdoor no trap is required Outdoor unit A GAS line B LIQUIDE line Indoor unit JKD DCI 21 Version 1 INSTALLATION DETAILS 7 4 Installation for the first time Air and moisture in the refrigerant system have undesirable effects as below Pressure in the system rises Operating current rises Cooling or heating efficiency drops Moisture in the refrigerant circuit may freeze and block capillary tubing Water may lead to corrosion of parts in the refrigerant system Therefore the indoor units and the pipes between indoor and outdoor units must be leak tested and evacuated to remove gas and moisture from the system Gas leak check Soap water method Apply soap water or a liquid neutral detergent on the indoor unit connections or outdoor unit connections by a soft brush to check for leakage of the connecting points of the piping If bubbles come out the pipes have leakage 1 Air purging with vacuum pump 1 2 gt JKD DCI Indoor unit i OEE Liquid Outdoor unit 27 Two way v lve 5 c HE C Close S X xy 2 ae m Aw pee way valve Manifold valve res p Close ma AI Compound 3 5 H C 3 amp JPressure N H P gauge x 0 1MPa Lo Handle Lo
39. ected by Correct the commes ton or i Yes replace the wires and error and if the wires and connectors connectors are broken No v Correct the installation Check if the IPM installed correctly No tighten the screws and apply silicon grease Yes Y IPM continuity check Check if the Replace the IPM board or replace IPM terminal resistance values are No the main if the IPM board and uniform main PCB are integrated together Yes Check if the outdoor fan runs Refer to the solution of fan speed has been out of control properly or the outdoor unit No I Find h ventilation is good malfunction Int out the cause and have it solved Yes Check if the compressor resistance values are uniform Replace the compressor Yes Y Replace the outdoor main PCB if the main PCB and IPM are separate JKD DCI 60 Version 1 TROUBLE SHOOTING 10 2 8 Over voltage or too low voltage protection diagnosis and solution P1 Check if the power supply is normal Yes Check if all the connections and wires are good Yes Disconnect the unit with power supply and try to restart the unit when power supply gets normal 4 Correct the connections or replace Power on and when the unit is in standby check if the voltage between P and N is around DC 310V or 340V or 380V For different kinds of units the voltage
40. eed Maximum frequency High speed turbo function No limit Silent mode Fixed at F3 If users switch on AC by remote controller the compressor will run at the Fmax frequency for 7 minutes according to the outdoor ambient temp During the 7 minutes the frequency limitation is active 7 minutes later the compressor running frequency will be controlled as below JKD DCI 37 Version 1 ELECTRONIC FUNCTION Got A P o gt a B g Pd C P d P 2 E D 4 P d G 4 H ue Y J While the zones of A B C are corresponding to different compressor running frequency Note When T1 Ts keeps in the same temp zone for 3 minutes the compressor will run as the below rules A Increase the frequency to 3 grade higher until to FREMAX B E Increase the frequency to 2 grade higher until to FREMAX F G Increase the frequency to 1 grade higher until to FREMAX H Keep the current frequency I Decrease the frequency to 1 grade lower until to F1 J Run at F1 for 1h if T1 Ts lt 2 C the compressor will stop Meanwhile the compressor running frequency is limited by the current T4 50 49 45 44 41 40 33 32 JKD DCI i CoolT4Zone4l 1 CoolT4Zone5l 38 Version 1 ELECTRONIC FUNCTION _ 9 4 2 2 Outdoor fan running rules Heating Cooling T4 2 28 21 26 19 25 18 23 16 22 1
41. ent injury to the user or other people and property damage the following instructions must be followed B Incorrect operation due to ignoring instruction will cause harm or damage B Before service the unit be sure to read this service manual at first 1 2 Warning Installation B Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock a For electrical work contact the dealer seller a qualified electrician or an authorized service center Do not disassemble or repair the product there is risk of fire or electric shock B Always ground the product There is risk of fire or electric shock B Install the panel and the cover of control box securely There is risk of fire of electric shock B Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock B Usethe correctly rated breaker of fuse There is risk of fire or electric shock B Do not modify or extend the power cable There is risk of fire or electric shock Do not install remove or reinstall the unit by yourself customer There is risk of fire electric shock explosion or injury B Be caution when unpacking and installing the product Sharp edges could cause injury be especially careful of the case edges and the fins on the JKD DCI 3 Version 1 L CTRA PRECAUTION condenser and evaporator For installation always conta
42. er than 10m 30s XX 46 10s no longer than 10m E 305 Version 1 ELECTRONIC FUNCTION 9 4 3 5 Evaporator coil temperature protection T2 TEstop Decrease TEdown Hold TEnorm Y Off Compressor stops Decrease Decrease the running frequency to the lower level Hold Keep the current frequency Resume No limitation for frequency 9 4 4 Auto mode This mode can be chosen with remote controller and the setting temperature can be changed between 17 30 C In auto mode the machine will choose cooling heating or fan only mode according to AT AT T1 Ts Indoor fan will run at auto fan of the relevant mode The louver operates same as in relevant mode If the machine switches mode between heating and cooling the compressor will keep stopping for 15 minutes and then choose mode according to T1 Ts If the setting temperature is modified the machine will choose running function again 9 4 5 Drying mode 9 4 5 1 Indoor fan speed is fixed at breeze and can t be changed The louver angle is the same as in cooling mode JKD DCI 47 Version 1 I RA ELECTRONIC FUNCTION 9 4 5 2 Compressor running rules 9 4 5 3 Low indoor room temperature protection In drying mode if room temperature is lower than 10 C the compressor will stop and not resume until room temperature exceeds 12 C 9 4
43. ertically to the floor and set HIGH fan mode 3 The optimum performance will be achieved during this operating temperature zone JKD DCI 32 Version 1 ELECTRONIC FUNCTION _ 9 Electronic function 9 1 Abbreviation 1 Indoor room temperature RAT T2 Coil temperature of evaporator ICT T3 Coil temperature of condenser OCT T4 Outdoor ambient temperature OAT T5 Compressor discharge temperature CTT 9 2 Display function 9 2 1 Icon explanation on indoor display board 1 In normal situation the setting temperature is displayed display room temp in fan mode 2 7 segments display 2 Shows SC when self clean function is activated FP when 8 heating function is activated 3 Shows the alarm code whenever there is an alarm ION INDICATOR Lights up when ionizer or plasma function is activated optional DEFROSTING Lights up when the unit is under defrosting operation or when the anti cold INDICATOR air function is activated RUN INDICATOR Lights up when the unit is in operation TIMER INDICATOR Lights up when TIMER function is activated JKD DCI 33 Version 1 sL r I RA ELECTRONIC FUNCTION 9 3 Main Protection 9 3 1 Time delay at restart for compressor 1 minute delay for the 1 time start up and minutes delay for others 9 3 2 Temperature protection of compressor top The unit will stop working when the compressor top temp protector cut off and will restart after the compressor top
44. f the compressor then the compressor is heated without operation Preheating release condition JKD DCI 34 Version 1 ELECTRONIC FUNCTION If T4 gt 5 C or the compressor starts running the preheating function will stop 9 3 8 Sensor protection at open circuit and breaking disconnection When there s one temperature sensor in malfunction the air conditioner will display error code and will not stop immediately to avoid the case that the air conditioner is in urgent need Fault temp Operation in cooling Operation in heating mode sensor drying and fan only mode T1 Run supposed T1 26 C Run supposed T1 26 C medium fan speed high fan speed T2 Normal During the first 1 minute of compressor operation indoor fan shuts off After that indoor fan runs at medium fan speed for 1 minute and then resume to the setting fan speed T3 Run with compressor minutes defrosting every 40 minutes when T4 lt 7 C 2 frequency X F14 minutes defrosting every 90 minutes when T427 C T4 Run supposed T4 50 C Run supposed 4 15 TP Run supposed T4 50 C Run supposed T4 15 C 9 3 9 Refrigerant leakage detection This function is only active in cooling mode It can better prevent the compressor being damaged by refrigerant leakage or compressor overload Open condition Define the evaporator coil temp T2 of the compressor just starts running as Tcool In the beginning 5 minutes after the compress
45. h the specified amount of refrigerant or can be charged with a little at a time approximately 150g each time operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure 5 When the electronic scale displays the proper weight disconnect the charge hose from the 3 way valve s service port immediately If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 6 Mounted the valve stem caps and the service port JKD DCI 30 Version 1 BELEETRS O INSTALLATIONDETALS Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage JKD DCI 31 Version 1 OPERATING CHARACTERISTICS Operation Characteristics Temperature Cooling operation Heating operation Drying operation Mode Room temperature 217 C s30 C gt 10 Outdoor temperature 15 C 50 C 15 C 30 C 15 C 50 C CAUTION 1 If the air conditioner is used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air conditioner operates beyond this figure the surface of the air conditioner may attract condensation Please set the vertical air flow louver to its maximum angle v
46. in hose to ensure that water is drained away properly A bad connection may cause water leakage B Keeplevel even when installing the product It can avoid vibration of water leakage B not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors JKD DCI 5 Version 1 LSeTRn PRECAUTION B Use two or more people to lift and transport the product B not install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation gt Operational B Do not expose the skin directly to cool air for long time Do not sit in the draft B Do not use the product for special purposes such as preserving foods works of art etc It is a consumer air conditioner not a precision refrigerant system There is risk of damage or loss of property B Do not block the inlet or outlet of air flow B Useasoftcloth to clean Do not use harsh detergents solvents etc There is risk of fire electric shock or damage to the plastic parts of the product B Donottouch the metal parts of the product when removing the air filter They are very sharp B Do not step or put anything on the product outdoor units B Always insert the filter securely Clean the filter every two weeks or mo
47. ip in the fan motor JKD DCI 66 Version 1 TROUBLESHOOTING STR 2 Compressor checking Measure the resistance value of each winding by using the tester Input Terminal Blue Blue 4 Red dh 2 4 Black Black 3 LO Red Resistance Value ASN108D22UEZ DA130M1C 31FZ DA150S1C 20FZ m Red LE 1 50 1 770 0 950 20 C 20 C 20 C Red Blue Blue JKD DCI 67 Version 1 LEL Tkn TROUBLE SHOOTING 3 IPM continuity check Turn off the power let the large capacity electrolytic capacitors discharge completely and dismount the IPM Use a digital tester to measure the resistance between P and UVWN UVW and N Digital tester Normal resistance value Red Black N Several V Digital tester Normal resistance value Red Black U V N Several MQ 4 Indoor AC Fan Motor Measure the resistance value of each winding by using the tester Input Terminal 1886 Red 1 Black 2 White White 3 O Position Resistance Value Black Red 43001896 20 C 38801896 20 C _ White Black 37001896 20 C 3600896 20 C Brand Dayang Brand Weiling JKD DCI 68 Version 1 ExPLODEDViEWANDSPAREPARTLIST 11 Exploded View 11 1 Indoor unit AWSI JKD009 N11 ONLY FOR STANDARD
48. lter O Golden Fin O 1W Standby 2 ways of drainage Louver Position Memory Function Refrigerant Leakage Detect Self diag Function Hydrophilic Aluminum Fin Anti rust Cabinet Valve Protection Cover PTC Heating Belt O Compressor Crankcase Heater O JKD DCI O optional function Version 1 sPEciCATON O O O LETRA 3 Specification Installation MethodofPipe O Z o Flared Heating CapctyO kW 2270 0 32 28 10 34 Aw 2 sER SCOPO ww 58 a Sy kwh 1639 884 Tew So 6 8 Circuit breaker rating Characteristics Units Cooling Circuit breaker rating MERE DURS Fantype amp quantty Qrossflowfanxi Fanspeds hme RPM 1150 000 800 1150 1000 800 Moisture removal Dimensions mm 800x275i88 Wed 1 65 Package dimensions LxWxH mm 65 350 265 Packaged weight 95 en en Refrigerantcontro Compressor type model Fan type amp quantity Aalt Fanspeds J o 80 31280 Sound power level BA Weight 27 5 P
49. nds later Is it still displaying the error code Yes If the EEPROM chip is welded on main PCB replace the main PCB directly Otherwise check No Correct the connection whether the EEPROM chip plugged in main PCB well Yes Y Replace the indoor main PCB EEPROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage JKD DCI 52 Version 1 TROUBLE SHOOTING L r 10 2 2 Indoor unit and outdoor unit communication protection error diagnosis and solution E1 Power off then turn on the unit 5 seconds later reconnect the power wire Is the error still displaying after several minutes Yes Check all the wirings between indoor and outdoor indoor main PCB and outdoor main PCB following the wiring diagram Are all the wirings connected correctly Yes Measure Vs is it moving alternately between positive value and negative value Vs is the voltage between S and N of outdoor unit Yes t Is the wiring to the outdoor main Is the wiring to the indoor main PCB connected correctly PCB connected correctly Yes Yes Y v Change the outdoor main PCB Change the indoor main PCB Y Y Power on Is the error extinguished Power on Is the error extinguished No No Y Y Change the indoor
50. nnect the vacuum pump to 3 way valve s service port JKD DCI 28 Version 1 SLEcTKn INSTALLATION DETAILS 3 Evacuation for approximately one hour Confirm that the compound meter indicates 0 1Mpa 4 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 5 Disconnect the charge hose from the vacuum pump JKD DCI 29 Version 1 2 Refrigerant charging Indoor unit Liquid side 3 ga zi p valve ak 3 xt CC M _ Hi i Gas side 4 1 SN Charging cylinder Electronic scale Procedure 1 Connect the charge hose to the charging cylinder open the 2 way valve and the 3 way valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weight 4 Open the valves Low side on the charge set and charge the system with liquid refrigerant If the system cannot be charge wit
51. nt 1 201101020011 24 Air freshening filter 1 201131410703 25 Air filter left 1 201132591042 26 Air filter right 1 201132591040 JKD DCI 70 Version 1 EXPLODED VIEWANDSPAREPARTLIST LESTE AWSI JKD012 N11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST JKD DCI 71 Version 1 EXPLODED VIEW AND SPARE PART LIST No Part Name Quantity BOM Code 1 Panel assembly 1 3 Display box assembly 1 203332591 125 3 1 Display board assembly 1 201333090687 4 Cover of electrical equipment 1 201119901024 5 Panel frame assembly 1 201132591041 5 1 Screw cap 2 201119900950 6 Drain hose 1 201101020038 7 Pipe Nut 1 201600330002 7 Pipe Nut 1 201600330001 8 Fix clamp of temperature sensor 1 201102000305 9 Evaporator assembly 1 201532390220 10 Fan motor cover 1 201132490127 11 Brushless DC Motor 1 202400370025 12 Bearing holder 1 201119900952 13 Bearing base 1 202719900606 14 Cross flow fan 1 201100200306 15 Horizontal louver 1 201132591044 16 Chassis assembly 1 201132591057 16 1 Louver motor 1 202400200031 17 Pipe clamp board 1 201119900949 18 Installation plate 1 201232590037 19 Electronic control box assembly 1 20333249031 1 19 1 Electronic control box 1 201132490125 19 2 Electronic control box II 1 201132490150 19 3 Indoor main control board assembly 1 201332490360 19
52. oor AC Fan Motor Measure the resistance value of each winding by using the tester Input Terminal shed Red 1 Black 2 White White 3 Black 2 Outdoor or indoor DC Fan Motor control chip is in fan motor Measure the resistance value of each winding by using the tester If any resistance value is zero the fan motor must have problems and need to be replaced N mm 1 3456 3 Outdoor or indoor DC Fan Motor control chip is in on PCB For WZDK36 38G W 1 Release the UVW connector Measure the resistance of U V U W V W If the resistance is not equal to each other the fan motor must has problems and need to be replaced Otherwise go to JKD DCI 55 Version 1 SLEcTKn TROUBLE SHOOTING For other motors UVW Feedback 1 5 noma 2 f 5 1 5 1 1 2 3 4 5 Color Orange Grey White Pink Black Signal Hu Hv Hw Vcc GND Color Red Blue Yellow Signal W V U 1 Release the UVW connector Measure the resistance of U V U W V W If the resistance is not equal to each other the fan motor must has problems and need to be replaced Otherwise go to step 2 2 Power on and when the unit is in standby measure the voltage of pin4 5 in feedback signal connector If the value is not 5V ch
53. open C i d H M 4 C ce Y Gas side 4 wie gt 000 Num Check valve _ Charging cylinder M Electronic scale Procedure ai 1 Connect the charge hose to the charging cylinder open the 2 way valve and the 3 way valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure the liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weight 4 Operate the air conditioner at the cooling mode JKD DCI 24 Version 1 5 Open the valves Low side on the charge set and charge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the table disconnect the charge hose from the 3 way valve s service port immediately and turn off the air conditioner before disconnecting the hose 7 Mount the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage 7 5 Adding the refrigerant after running the system for many years Outdoor unit Indoor unit Liquid side 2
54. or main control board assembly 1 201337790084 19 3 Support of electronic control box 1 201137300162 19 4 Radiator 1 202301901222 19 5 Electronic installing box 1 201237300033 20 Terminal board assembly 1 203337590135 20 1 Wire joint 1 202301400015 20 2 Terminal board 1 201237590046 21 4 Ways valve assembly 1 201637891258 21 1 Gas valve 1 201600720195 21 2 4 Ways valve 1 20160069001 1 22 Liquid valve assembly 1 201637891260 22 1 Liquid valve 1 201600740523 23 Compressor 1 201400603269 Discharge temperature sensor 25 1 202301310068 assembly JKD DCI 82 Version 1 EXPLODED VIEW AND SPARE PART LIST AWAU VKD024 H11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST 1e vaar y JKD DCI 83 Version zd LzcTkm EXPLODED VIEW AND SPARE PART LIST No Part Name Quantity BOM Code 1 Ambient temperature sensor assembly 1 202301300115 2 Rear net 1 2011481G0001 3 Condenser assembly 1 201537990084 3 1 Input pipe assembly 1 201637991011 3 2 Condenser 1 201537990003 3 3 Output pipe 1 201637991010 4 Pipe temperature sensor assembly 1 202301300111 5 Valve plate 1 201237300316 6 Chassis assembly 1 201257090054 i Rear right clapboard assembly 1 201237990048 8 Big handle 1 201157390007 9 Water collector 1 201137390017 10 Front right clap
55. or starts up if T2 lt Tcool 2 C does not keep continuous 4 seconds and this situation happens 3 times the display area will show EC and AC will turn off 9 3 10 Zero crossing detection error protection only for AWSI JKD009 N11 If AC detects time interval is not correct for continuous 240s the unit will stop and the LED will display the failure The correct zero crossing signal time interval should be between 6 13ms JKD DCI 35 Version 1 I RA ELECTRONIC FUNCTION 9 4 Operation Modes and Functions 9 4 1 Fan mode 1 Outdoor fan and compressor stop 2 Temperature setting function is disabled and no setting temperature is displayed 3 Indoor fan can be set to high med low auto 4 The louver operates same as in cooling mode 5 Auto fan T1 24 n lt ad 1 0 75 2020 5 0 2 aio b H L O 5 L H L 0 25 L 25 e gt 5 1 0 i 9 JKD DCI 36 Version 1 ELECTRONIC FUNCTION 9 4 2 Cooling Mode 9 4 2 1 Compressor running rules The maximum operation frequency of compressor after starting submits to following rule T4 T 50 49 45 44 41 40 33 32 30 29 22 20 Fmax T4FREMAX1 Fmax T4FREMAX2 Fmax T4FREMAX3 Fmax T4FREMAX4 Fmax T4FREMAX5 Fmax T4FREMAX6 Fmax T4FREMAX7 Meanwhile the maximum frequency is limited by the indoor fan speed Indoor fan sp
56. or unit is equipped with auto restart function which is carried out through an auto restart module In case of a sudden power failure the module memorizes the setting conditions before the power failure The unit will resume the previous operation setting not including swing function automatically after 3 minutes when power returns If the memorization condition is forced cooling mode the unit will run in cooling mode for 30 minutes and turn to auto mode as 24 C setting temp If AC is off before power off and AC is required to start up now the compressor will have 1 minute delay when power on Other conditions the compressor will have 3 minutes delay when restarts JKD DCI 49 Version 1 SLSCT RA 9 4 10 8 C Heating ELECTRONIC FUNCTION In heating operation the preset temperature of the air conditioner can be as lower as 8 C which keeps the room temperature steady at 8 C and prevents household things freezing when the house is unoccupied for a long time in severe cold weather 9 4 11 Frequency limitation protection VOLT RST1 ADD VOLT LIM1 ADD Normal VOLT LIM FREQI ADD VOLT RST2 ADD VOLT LIM2 ADD Yo VOLT LIM FREQ2 ADD The PCB will detect the voltage of power supply and adjust the compressor running frequency to protect the system In the first 10 seconds after power on this protection is inactive When this protection happens it will last 3 minutes and then the PCB will detect
57. re often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage B Do not insert hands or other objects through air inlet or outlet while the product is operated B Do not drink the water drained from the product B Use a firm stool or ladder when cleaning or maintaining the product Be careful and avoid personal injury m Replace the all batteries in the remote control with new ones of the same type Do not mix old and new batteries or different types of batteries There is risk of fire or explosion B not recharge or disassemble the batteries Do not dispose of batteries in a fire They may burn of explode JKD DCI 6 Version 1 PRECAUTION zLzcTKkm B Ifthe liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of the batteries have leaked JKD DCI 7 Version 1 SLSCT RA art Names An unctions 2 1 Model Names of Indoor Outdoor units SPECIFICATION Series Capacity Indoor units Outdoor units 9k AWSI JKDO09 N1 1 AWAU VKDO009 H1 1 ioa 12k AWSI JKD012 N11 AWAU VKD012 H11 18k AWSI JKDO18 N11 AWAU VKD018 H11 24k AWSI JKD024 N1 1 AWAU VKD024 H11 2 2 Functions of Indoor Outdoor units Filter Killer Of Formaldehyde lonizer O Silver Ico Filter O Vitamin C Filter O HAM Filter O Bio Fi
58. temperature No Correct the connections sensor and PCB Are the connections good Yes Check the resistance value of the sensor via table1 Yes Replace indoor or outdoor PCB and table 2 is it normal No Replace the sensor and check if the problem happen again JKD DCI 58 Version 1 TROUBLE SHOOTING SET 10 2 6 Refrigerant Leakage Detection diagnosis and solution EC Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code Yes Y Check if T2 sensor is well Is there cool air blowing fixed Correct the installation Yes out from indoor air outlet or replace T2 sensor Does the problem remain again ng Yes i Is there any leakage Especially Replace indoor PCB the connection parts such as the gas valve and the liquid valve No Repair the leakage and epair the leakage an recharge the refrigerant Is there any blocking Such as the capillary or the welded points of the pipes Yes Y Clear the blocking JKD DCI 59 Version 1 SLEcTKn TROUBLE SHOOTING 10 2 7 IPM malfunction or IGBT over strong current protection diagnosis and solution PO Check if the wiring between main and compressor conn

Service manual JKD DCI(Version 1)

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