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Troubleshooting

118

Electrical Control System

2.4.3 Main parts check

Spec.

Indoor unit

Model

ELSI-HND009-N11

ELSI-HND012-N11

ELSI-HND018-N11

Indoor fan motor

WZDK20-38G

WZDK58-38G

Model

ELSI-JKD009-N11

ELSI-JKD012-N11

ELSI-JKD018-N11

Indoor fan motor

RPG20E

WZDK20-38G

WZDK30-38G

Model

ELSI-OCD012-N11

ELSI-KBD012-N11

ELSI-QAD012-N11

Indoor fan motor

WZDK27-38GS

WZDK37-38G

RD-280-20-8A

Outdoor unit

Model

ELAU-VCZ218-H11

ELAU-VCZ327-H11

ELAU-VCZ430-H11

Compressor

DA150S1C-20FZ

DA250S2C-30MT

Outdoor fan motor

WZDK50-38G

WZDK72-38G

Model

ELAU-VCZ536-H11

Compressor

TNB306FPGMC-L

Outdoor fan motor

WZDK180-38G

Содержание ELAU-VCZ218-H11

Страница 1: ...CD Indoor Units Outdoor Units ELSI JKD009 N11 ELAU VCZ218 H11 ELSI JKD012 N11 ELSI KBD012 N11 ELSI QAD012 N11 ELSI OCD012 N11 ELAU VCZ327 H11 ELSI JKD018 N11 ELAU VCZ430 H11 ELAU VCZ536 H11 REFRIGERAN...

Страница 2: ...nformation 1 Part 2 Indoor Units 11 Part 3 Outdoor Units 46 Part 4 Installation 68 Part 5 Electrical Control System 79 The specifications designs and information in this book are subject to change wit...

Страница 3: ...General Information General Information 1 Part 1 General Information 1 Model Lists 2 2 External Appearance 3 2 1 Indoor Units 3 2 2 Outdoor Units 3 3 Product specification 4...

Страница 4: ...Hz 1Ph Four way cassette compact ELSI KBD012 N11 12000 220 240V 50Hz 1Ph Duct ELSI OCD012 N11 12000 220 240V 50Hz 1Ph Console ELSI QAD012 N11 12000 220 240V 50Hz 1Ph 1 2 Outdoor Units Universal Outdoo...

Страница 5: ...External Appearance General Information 3 2 External Appearance 2 1 Indoor Units JKD Duct Four way cassette Compact Console 2 2 Outdoor Units...

Страница 6: ...or type model Twin Rotary DC Inverter Fan type quantity Axial x 1 Fan speeds H L RPM 750 Air flow H L m3 hr 2500 Sound power level 4 H L dB A 65 Sound pressure level 5 H L dB A 55 Dimensions WxHxD mm...

Страница 7: ...l Twin Rotary DC Inverter Fan type quantity Axial x 1 Fan speeds H L RPM 800 Air flow H L m3 hr 3500 Sound power level 4 H L dB A 68 Sound pressure level 5 H L dB A 58 Dimensions WxHxD mm 900x860x315...

Страница 8: ...Twin Rotary DC Inverter Fan type quantity Axial x 1 Fan speeds H L RPM 800 Air flow H L m3 hr 3800 Sound power level 4 H L dB A 70 Sound pressure level 5 H L dB A 58 Dimensions WxHxD mm 900x860x315 W...

Страница 9: ...odel Twin Rotary DC Inverter Fan type quantity Axial x 1 Fan speeds H L RPM 850 Air flow H L m3 hr 5500 Sound power level 4 H L dB A 70 Sound pressure level 5 H L dB A 60 Dimensions WxHxD mm 990x345x9...

Страница 10: ...ube I D mm OD 17 5 OD 17 5 OD 1 Dimensions WxHxD mm 715x250x188 800x275x188 Net Weight kg 6 5 7 4 6 5 Package dimensions LxWxH mm 775x260x324 865x265x350 Packaged weight kg 8 2 9 5 9 5 Operation contr...

Страница 11: ...M L VL RPM 810 780 680 530 1200 1070 1000 Heating H M L VL RPM 810 780 680 530 1200 1070 1000 Air flow 1 H M L VL m3 hr 700 640 560 440 560 440 410 External static pressure Min Pa 0 25 0 40 Sound pow...

Страница 12: ...VL RPM 830 720 660 Air flow 1 H M L VL m3 hr 800 710 560 External static pressure Min Pa 0 Sound power level 2 dB A 55 Sound pressure level 3 H M L VL dB A 44 41 38 Moisture removal l hr 1 5 Condensat...

Страница 13: ...Indoor Units Indoor Units 11 Part 2 Indoor Units JKD Type 12 Light Commercial 22...

Страница 14: ...JKD Type 12 Indoor Units JKD Type 1 Function 13 2 Dimensions 14 3 Wiring Diagrams 15 4 Exploded View and Spare Part list 16...

Страница 15: ...r Ico Filter O Vitamin C Filter O 3M HAM Filter O Bio Filter O Golden Fin O Ionizer O 1W Standby Louver Position Memory Function Refrigerant Leakage Detect Self diag Function Hydrophilic Aluminum Fin...

Страница 16: ...sions W D H Model L mm R mm H mm Dimension of installation hole mm ELSI JKD009 N11 100 95 45 65 ELSI JKD012 N11 ELSI JKD018 N11 110 100 45 Model W D H ELSI JKD009 N11 715 188 250 ELSI JKD012 N11 800 1...

Страница 17: ...Wiring Diagrams Indoor Units 15 3 Wiring Diagrams ELSI JKD009 N11 ELSI JKD012 N11 ELSI JKD018 N11...

Страница 18: ...Exploded View and Spare Part list 16 Indoor Units 4 Exploded View and Spare Part list Exploded View of indoor unit ELSI JKD009 N11...

Страница 19: ...12 12122000000350 Bearing sleeve 1 13 12622000000006 Bearing pedestal 1 14 12100102000036 Cross flow window rotor 1 15 12122000005105 Wind Guide Assembly 1 16 12122000004172 Chassis Assembly 1 16 1 1...

Страница 20: ...Exploded View and Spare Part list 18 Indoor Units Exploded View of indoor unit ELSI JKD012 N11...

Страница 21: ...g pedestal 1 14 12100102000022 Cross flow Window Rotor 1 15 12122000005123 Wind Guide Assembly 1 16 12122000004342 Chassis Assembly 1 16 1 11002010000143 stepper motor 1 17 12122000000445 Pipe Pressin...

Страница 22: ...Exploded View and Spare Part list 20 Indoor Units Exploded View of indoor unit ELSI JKD018 N11...

Страница 23: ...2 12122000000350 Bearing sleeve 1 13 12622000000006 Bearing pedestal 1 14 12100102000072 Cross flow window rotor 1 15 12122000006245 Wind Guide 1 16 12122000004388 Chassis Assembly 1 16 1 110020100001...

Страница 24: ...Light Commercial 22 Indoor Units Light Commercial 1 Features 23 2 Dimensions 32 3 Service Space unit mm 35 4 Wiring Diagrams 37 5 Exploded View and Spare Part list 40...

Страница 25: ...design affords comfortable feeling Compact design The body size is 570 260 570mm it s just smaller than the ceiling board so it s very easy for installation and will not damage the decoration The pane...

Страница 26: ...box is simply and safely built inside the indoor unit It s convenient for installation and maintenance Can check the control part easily you only need to open the air return grille Fresh air intake f...

Страница 27: ...Light Commercial 25 Air passage function Reserves the space for air outlet from the side of indoor unit It s availed to connect air duct from the two sides to the nearby small rooms Dimension 75mm Fr...

Страница 28: ...air inlet frame from rear and bottom is same it s very easy to move the cover from bottom to rear side or from rear to the bottom in order to matching the installation condition Fresh air intake funct...

Страница 29: ...he filter from the indoor unit for cleaning even the filter is installed in rear side or bottom side Replace the motor or centrifugal fan Remove the ventilated panel firstly Remove a half of blower ho...

Страница 30: ...of an on off controller or a central controller to realize remote on off control function or group control function Built in drain pump Optional Built in drain pump can lift the water to 750mm upmost...

Страница 31: ...ard with a receiver in the E box Move out the display and fix it in other place even in the distance of 10m The unit will realized remoter control The wired controller and the display board can displa...

Страница 32: ...Consumes up to 30 less energy than non inverter units DC inverter compressor indoor fan motor adopts DC motor 2 Achieves set temperature more quickly air supplying from top and bottom or from top only...

Страница 33: ...fficiency filter built in Formaldehyde nemesis filter active carbon and biological anti virus filter is optional 6 Comfort flexible air blow vertical auto swing and wide angle louvers ensure that warm...

Страница 34: ...Dimensions 32 Indoor Units 2 Dimensions 2 1 Four way cassette type compact 2 2 A5 Duct H G E F A B D C...

Страница 35: ...l 33 L M Model Outline dimension mm Air outlet opening size Air return opening size Size of outline dimension mounted plug A B C D E F G H I J K L M ELSI OCD012 N11 700 210 635 570 65 493 35 119 595 2...

Страница 36: ...Dimensions 34 Indoor Units...

Страница 37: ...mercial 35 3 Service Space unit mm 3 1 Four way cassette compact 3 2 A5 Duct Ensure enough space required for installation and maintenance All the indoor units reserve the hole to joint the fresh air...

Страница 38: ...Service Space unit mm 36 Indoor Units 3 3 Console...

Страница 39: ...0 0 F ON OFF 16 31 0 F OFF ON 32 47 0 F ON ON 48 63 SW1 1 SW1 2 Anti Cold Air Setting OFF OFF Fan OFF when ICT 24 Default ON OFF Fan OFF when ICT 15 OFF ON Fan OFF when ICT 8 ON ON Reserved SW6 1 SW6...

Страница 40: ...Wiring Diagrams 38 Indoor Units ELSI OCD012 N11 ELSI QAD012 N11...

Страница 41: ...Wiring Diagrams Light Commercial 39...

Страница 42: ...Exploded View and Spare Part list 40 Indoor Units 1 Exploded View and Spare Part list Exploded View of indoor unit ELSI KBD012 N11...

Страница 43: ...n Hanger 1 12 12122500000330 Sealing board for Pipe Tie in Subassembly 1 13 12222500000197 Joint board of Evaporator 1 14 12222500000199 Motor Installing Foundation 1 15 11002015000069 Brushless DC Mo...

Страница 44: ...Exploded View and Spare Part list 42 Indoor Units Exploded View of indoor unit ELSI OCD012 N11...

Страница 45: ...2 3 201600320001 Copper nut 1 12 4 201670190020 Input pipe assembly 1 12 4 1 201600320000 Copper nut 1 13 201270290034 Evaporator right support board assembly 1 14 202440500004 Pipe temperature sensor...

Страница 46: ...Exploded View and Spare Part list 44 Indoor Units Exploded View of indoor unit ELSI QAD012 N11...

Страница 47: ...1310072 Ambient temperature sensor assembly 1 9 5 202301400072 Wire joint 1 9 7 201244090002 Electronic control box seal plate 1 9 8 201144090008 Installation plate of electric parts 1 9 9 20134409000...

Страница 48: ...Units Part 3 Outdoor Units 1 Dimensions 47 2 Service Space 51 3 Refrigeration Cycle Diagram 52 4 Wiring Diagrams 54 5 Indoor units combination 56 6 Operation Limits 57 7 Sound Levels 58 8 Exploded Vie...

Страница 49: ...Dimensions Outdoor Units 47 1 Dimensions ELSI QAD012 N11 560 W1 H 6 D1 335 D2 360 845 W 313 D3 335 D1 R6 R5 A1 22 A2 50 B1 120 110 B2 700 W2 73 58 58 58 110 H1 H2 200 7 243 6 L1 L2...

Страница 50: ...Dimensions 48 Outdoor Units ELAU VCZ327 H11 900 W 590 W1 860 H 12 D2 355 D1 333 302 D3 333 D1 50 97 90 B2 B1 8 A2 55 55 55 55 55 110 62 W2 H1 H2 R6 238 4 285 7 L1 L2...

Страница 51: ...Dimensions Outdoor Units 49 ELAU VCZ430 H11 900 W 590 W1 860 H 12 D2 355 D1 333 302 D3 333 D1 50 97 90 B2 B1 8 A2 55 55 55 55 55 55 55 110 62 W2 H1 H2 R6 238 4 285 7 L1 L2...

Страница 52: ...Dimensions 50 Outdoor Units ELAU VCZ536 H11...

Страница 53: ...Service Spa ce Outdoor Units 51 2 Service Space More than 60cm More than 30cm More than 60cm More than 200cm Air inlet Air inlet More than 30cm Air outlet Wall or obstacle Maintain channel...

Страница 54: ...B LIQUID VALVE B GAS VALVE B Accumulator T2B A Evaporator temp sensor outlet T2B B 3 2 Refrigeration cycle diagram of inverter 1 drive 3 type LIQUID VALVE A GAS VALVE A HEAT EXCHANGE EVAPORATOR HEAT E...

Страница 55: ...essure switch T2B A Evaporator temp sensor outlet T2B B T2B C T2B D 3 4 Refrigeration cycle diagram of inverter 1 drive 5 type LIQUID VALVE A GAS VALVE A HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENS...

Страница 56: ...Wiring Diagrams 54 Outdoor Units 4 Wiring Diagrams ELAU VCZ218 H11 ELAU VCZ327 H11...

Страница 57: ...Wiring Diagr ams Outdoor Units 55 ELAU VCZ430 H11 ELAU VCZ536 H11...

Страница 58: ...bination for ELAU VCZ430 H11 ELAU VCZ430 H11 Two IDU Three IDU Four IDU 9 18 9 9 9 9 12 12 9 9 9 9 12 18 9 9 12 9 12 18 9 9 9 12 18 18 9 9 18 12 12 12 5 4 Indoor unit combination for ELAU VCZ536 H11 E...

Страница 59: ...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 operate...

Страница 60: ...door Units 7 Sound Levels H 1 0m Outdoor Unit Microphone Note H 0 5 height of outdoor unit Model Noise Power dB A Noise level dB A ELAU VCZ218 H11 65 60 ELAU VCZ327 H11 68 61 ELAU VCZ430 H11 70 62 ELA...

Страница 61: ...Exploded Vi ew and Spare Part list Outdoor Units 59 8 Exploded View and Spare Part list Exploded View of outdoor unit ELAU VCZ218 H11...

Страница 62: ...Valve plate 1 201257190109 21 1 Wire joint 1 202301450157 6 Chassis assembly 1 201257090054 21 2 Terminal board 1 201257190117 7 Rear right clapboard assembly 1 201257190099 22 Liquid valve assembly 1...

Страница 63: ...Exploded Vi ew and Spare Part list Outdoor Units 61 Exploded View of outdoor unit ELAU VCZ327 H11...

Страница 64: ...554 11 Front panel 1 201248200103 24 Liquid valve assembly 1 201657390000 12 Air outlet grille 1 2011482A0001 24 1 Liquid valve 1 201600740091 Round sticker of air outlet grille 1 2011374A0005 24 2 El...

Страница 65: ...Exploded Vi ew and Spare Part list Outdoor Units 63 Exploded View of outdoor unit ELAU VCZ430 H11...

Страница 66: ...20091 Round sticker of air outlet grille 1 2011374A0005 25 2 4 ways valve 1 201600600119 13 Axial flow fan 1 201100300527 26 Capillary assembly 1 201657390066 14 Brushless DC Motor 1 202400300047 27 C...

Страница 67: ...Exploded View and Spare Part list 66 Outdoor Units Exploded View of outdoor unit ELAU VCZ536 H11...

Страница 68: ...ly 1 201601300554 11 Air outlet grille 1 2011487A0003 28 liquid valve assembly 1 201657290021 Round sticker of air outlet grille 1 2011374A0005 28 1 Liquid valve 1 201600740091 12 Front panel 1 201248...

Страница 69: ...Connecting the cables 69 3 Pipe length and the elevation 69 4 Installation for the first time 71 5 Adding the refrigerant after running the system for many years 74 6 Re installation while the indoor...

Страница 70: ...and switch 3 Pipe length and the elevation Maximum piping length and height difference 1 drive 2 1 drive 3 1 drive 4 1 drive 5 Max length for all rooms m 30 45 60 75 Max length for one IU m 20 25 30 3...

Страница 71: ...on pipe diameter mm inch Model Pipe diameter mm inch 7K9K12K Liquid 6 35 1 4 Liquid 6 35 1 4 Gas 9 52 3 8 Gas 9 52 3 8 18K Liquid 6 35 1 4 Liquid 6 35 1 4 Gas 12 7 1 2 Gas 12 7 1 2 Outdoor unit union...

Страница 72: ...the 2 way and 3 way valves are set to the closed position 2 Connect the charge hose with the push pin of handle lo to the 3 way valves gas service port 3 Connect the charge hose of handle hi connectio...

Страница 73: ...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...

Страница 74: ...e 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 a...

Страница 75: ...n 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 5 O...

Страница 76: ...andle 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 and then close it...

Страница 77: ...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 5 Disc...

Страница 78: ...th the 2 way and 3 way valves are set to the opened position 2 Connect the vacuum pump to 3 way valve s service port 3 Evacuation for approximately one hour Confirm that the compound meter indicates 0...

Страница 79: ...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 with the specified amount of refrigerant or can be charged w...

Страница 80: ...Electrical Control System Electrical Control System 79 Part 5 Electrical Control System 1 Electrical Control Function 80 2 Troubleshooting 94...

Страница 81: ...oor fan speed keeps too low for certain time the unit will stop and the LED will display the failure 1 2 6 Zero crossing detection error protection only for ELSI JKD009 N11 If AC detects time interval...

Страница 82: ...r than HEAT_F4 the frequency will not be limited After 10s of the compressor start if the current IHEAT the AC will display the failure for 30 seconds and stop The AC will restart 3 minutes later 1 2...

Страница 83: ...s The compressor will run at corresponding frequency according to the gross amendatory capacity demand Frequency COOL_F0 COOL_F1 COOL_F2 COOL_F15 COOL_F16 Amendatory capacity demand 0 1 2 15 16 Meanwh...

Страница 84: ...1 3 2 3 Indoor fan running rules For Cassette A5 In cooling mode indoor fan runs all the time and the speed can be selected as high medium low and auto The auto fan 3 5 3 0 High Low 1 0 Medium 1 5 Fo...

Страница 85: ...ll release and the compressor will restart after 3 minutes 1 3 2 5 Evaporator low temperature protection When T2B 0 for 250 seconds the indoor unit has no capacity demand and resume till T2B 10 When T...

Страница 86: ...les For JKD HND Console In heating mode indoor fan can be selected as high medium low auto and silent The anti cold wind function has the priority When the compressor is running the indoor fan is cont...

Страница 87: ...rity 1 3 3 5 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...

Страница 88: ...osen with remote controller and the setting temperature can be changed between 17 30 In auto mode the machine will choose cooling heating or fan only mode according to T T T1 Ts T T1 Ts Running mode T...

Страница 89: ...peration 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...

Страница 90: ...ooling units will not be controlled by other signals 1 3 11 Drain pump control For Cassette Adopt the water level switch to control the action of drain pump Main action under different condition every...

Страница 91: ...en the house is unoccupied for a long time in severe cold weather 1 3 14 Mode conflict The indoor units cannot work cooling mode and heating at same time Heating mode has a priority 1 Definition Cooli...

Страница 92: ...T2BD 21 E indoor unit evaporator outlet temp T2BE 22 A indoor unit room temp T1A If the temp is lower than 0 degree the digital display tube will show 0 If the temp is higher than 50 degree the digit...

Страница 93: ...oltage 43 Average value of T2 Sum T2 value of all indoor units number of indoor units in good connection 44 Outdoor unit fan motor state Off 0 High speed 1 Med speed 2 Low speed 3 Breeze 4 Super breez...

Страница 94: ...tem 93 Capacity area a b c d e f Norm value N 3 2 1 5 1 0 5 0 1 3 12 4 Number of indoor unit Display Number of indoor unit 1 1 2 2 3 3 4 4 5 5 1 3 12 5 Opening degree of electronic expansion valve Act...

Страница 95: ...ir control feature is activated in heating operation OPERATION indication lamp This lamp illuminates when the air conditioner is in operation TIMER indication lamp Lights up during Timer operation Tem...

Страница 96: ...ternative displays between running frequency and RO each displays 0 5s In low ambient cooling mode the LED displays LC or alternative displays between running frequency and LC each displays 0 5s In fo...

Страница 97: ...protection P4 5 Inverter compressor drive protection P5 6 Mode conflict P6 7 Low pressure protection O light X off flash For Cassette Duct NO MALFUNCTION RUN Timer DEF Alarm DISPLAY DIGITAL TUBE 1 Ope...

Страница 98: ...cation malfunction between indoor and outdoor units X X 4 Outdoor fan speed has been out of control X O 5 Indoor EEPROM malfunction X 6 IPM module protection X 7 Open or short circuit of T3 or T4 temp...

Страница 99: ...ensor or connector of sensor is defective F3 No C Indoor unit coil outlet temperature sensor or connector of sensor is defective F4 No D Indoor unit coil outlet temperature sensor or connector of sens...

Страница 100: ...nit 2 4 1 1 Indoor EEPROM malfunction If the EEPROM chip is welded on PCB replace the PCB directly Otherwise check whether the EEPROM chip plugged in PCB well Yes No Yes Insert the EEPROM well Replace...

Страница 101: ...S and N Refer PIC 1 Turn on all indoor unit by remote controller Is all indoor unit display Turn off the all indoor units Is IPM power LED or operating LED lamp On Refer PIC2 Yes A Is all the wiring b...

Страница 102: ...Troubleshooting Electrical Control System 101 Pic 2 IPM For dual tri zone Self Check Operating els Pic 1 check the vo Vs is it moving a between positive v value...

Страница 103: ...02 Electrical Control System Self Check Power Operating els PIC3 Main board LED when power on and unit standby Pic 2 IPM For qua zone PIC 4 check point button Press 1 time for check how many indoor un...

Страница 104: ...No Correct the connections No Yes Check whether the main PCB is normal through index 2 Yes Yes Check whether the fan motor is normal through index 1 Yes Replace the fan motor Replace the main PCB The...

Страница 105: ...r 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 have problems and need to be replaced 2 Indo...

Страница 106: ...s Vm 280V 380V 2 3 Black GND 0V 4 White Vcc 14 17 5V 5 Yellow Vsp 0 5 6V 6 Blue FG 14 17 5V For Duct Cassette NO Color Signal Voltage 1 Red Vs Vm 192V 380V 2 3 Black GND 0V 4 White Vcc 13 5 16 5V 5 Ye...

Страница 107: ...Replace indoor or outdoor PCB Replace the sensor Check the resistance value of the sensor via Appendix 1 Is it normal No 2 4 1 5 Full water malfunction If the water level switch is inserted well No In...

Страница 108: ...oor unit 2 4 2 1 Outdoor EEPROM malfunction ODU E0 If the EEPROM chip is welded on PCB replace the PCB directly Otherwise check whether the EEPROM chip plugged in PCB well Yes No Yes Insert the EEPROM...

Страница 109: ...e at least one LED in the IPM board light Check the signal wire between the IPM module and the main board is it connected good Reconnect and retry Is error still display Replace IPM board and then che...

Страница 110: ...and N L2 is about 220 240VAC Check the power supply Check whether the voltage of IPM board P and N is normal DC277 356V for 18 27KBtu h DC277 410V for 36KBtu h Replace bridge rectifiers and then check...

Страница 111: ...operates normally Find out the cause and have it solved For example check whether the fan is blocked or the bearing is broken Check the wires of fan motor Are all the connections good No Yes No Correc...

Страница 112: ...2 3 Black 4 White 5 Yellow 6 Blue Index2 1 Outdoor DC fan motor control chip is inside fan motor Power on and when the unit is in standby measure the voltage of pin1 pin3 pin4 pin3 in fan motor connec...

Страница 113: ...oard No Replace high pressure protector Yes Judge 2 Whether the high pressure protector is broken Check whether the refrigerant system is ok Judge 3 Check whether the outdoor ambient temperature is hi...

Страница 114: ...efrigerant system is ok Judge 3 Check whether the outdoor ambient temperature is too low No Stop the unit Yes Method Connect the pressure gauge to the gauge joint of the system check whether the press...

Страница 115: ...ck whether the outdoor ambient temperature is higher than 50 No Stop the unit Yes Judge 3 Check whether the outdoor unit is bad ventilation No Make the outdoor unit ventilate well Yes Judge 5 The refr...

Страница 116: ...n is right between compressor discharge temp sensor and PCB according to wiring diagrams Method Check whether the resistance of compressor discharge temp sensor is right refer to the Appendix 2 No Yes...

Страница 117: ...an 65 C Yes Judge 1 Check whether the outdoor ambient temperature is higher than 50 No Judge 3 The refrigerant pipe is blocked Let the refrigerant out then use the high pressure nitrogen or refrigeran...

Страница 118: ...rk normally No Replace the compressor check whether the system can work normally Check whether the lines in E part box are connected tightly Yes Connect it tightly check ok or not No No Yes No Replace...

Страница 119: ...2 N11 ELSI JKD018 N11 Indoor fan motor RPG20E WZDK20 38G WZDK30 38G Model ELSI OCD012 N11 ELSI KBD012 N11 ELSI QAD012 N11 Indoor fan motor WZDK27 38GS WZDK37 38G RD 280 20 8A Outdoor unit Model ELAU V...

Страница 120: ...ature sensor from PCB measure the resistance value with a tester Temperature Sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compresso...

Страница 121: ...4 44 0000 36 6 13059 76 1 34105 116 0 40060 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5 17519 80...

Страница 122: ...37 3 74 8 358 114 2 489 5 234 9 35 35 78 75 8 084 115 2 422 4 222 8 36 34 32 76 7 82 116 2 357 3 211 4 37 32 94 77 7 566 117 2 294 2 200 7 38 31 62 78 7 321 118 2 233 1 190 5 39 30 36 79 7 086 119 2 1...

Страница 123: ...22 Electrical Control System 2 Compressor checking Measure the resistance value of each winding by using the tester Position Resistance Value DA150S1C 20FZ DA250S2C 30MT TNB306FPGMC L Blue Red 0 95 20...

Страница 124: ...he resistance between P and UVWN UVW and N Digital tester Normal resistance value Digital tester Normal resistance value Red Black Several M Red Black Several M P N U N U V V W W Red 4 Indoor AC Fan M...

Страница 125: ...SERVICE MANUAL Multi Splits Series...

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