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SERVICE MANUAL

 

Wall Mounted Type  

NEW  2P-Series  

This service information is designed for experienced repair technicians only and is not designed for use by the general publi

c. 

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. 

Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or   

Repair the product or products dealt with in this service information by anyone else could result in serious injury or death

 

WARNING 

 

 

 

Version

V1        Date

2020-02-19 

JZ070-C1

 

Model  No. 

Summary of Contents for 2P Series

Page 1: ...tions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional techni...

Page 2: ...7 3 Sensors list 8 4 Pinping diagrams 9 5 Operation range 10 6 Printed Circuit Board Connector Wiring Diagram 11 7 Outdoor Functions and Control 14 8 Dimensional drawings 28 10 Service Diagnosis 29 11...

Page 3: ...Therefore be sure to observe all the safety caution items described below About the pictograms This symbol indicates an item for which caution must be exercised The pictogram shows the item to which a...

Page 4: ...rom power grid will impact to the performance Using a multi meter to test short circuit of the four roots wires make sure no short circuit happen 1 2 2 Caution in Repair Warning Be sure to disconnect...

Page 5: ...stop the air conditioner operation by plugging or unplugging the power cable plug Plugging or unplugging the power cable plug to operate the equipment can cause an electrical shock or fire Warning Do...

Page 6: ...rcuit capacity and improper electrical work can cause an electrical shock or fire Be sure to use the specified cable to connect between the indoor and outdoor units Make the connections securely and r...

Page 7: ...install the packing and seal on the installation frame properly If the packing and seal are not installed properly water can enter the room and wet the furniture and floor 1 2 4 Inspection after Repa...

Page 8: ...ck Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor 1 2 5 Using Icons Icons are used to attract t...

Page 9: ...D mm 890 353 697 Packaged Dimensions H W D mm 1046 460 780 Weight KG 47 3 Gross weight KG 52 3 Sound level Sound peessure dB 52 Sound power dB 65 ELECTRICAL SPECIFICATIONS Cooling heating Nominal run...

Page 10: ...iping Length m 25 Max Level Difference m 15 Chargeless m 7 Amount of Additional Charge of Refrigerant g m 20 Note the data are based on the conditions shown in the table below cooling heating Piping l...

Page 11: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9 EEV EEV...

Page 12: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...

Page 13: ...N24 CN2 6 Connector to N and P of the module board 10 CN4 Connector for communicate between indoor and outdoor unit 11 CN16 Connector for electric expansion valves 12 CN6 CN7 Connector for indoor powe...

Page 14: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1 CN7 CN1 CN2 CN23 CN24 CN22 CN26 CN9 CN 10 CN3 CN4 CN20 CN16 CN22 CN8 CN6...

Page 15: ...Printed circuit board connector wiring diagram 13 Domestic air conditioner PCB 2 CN4 CN3 CN10 CN6 CN5 CN8 CN11 CN9 CN7 CN1 CN2...

Page 16: ...rmined frequency for protection should be prior to the calculated frequency 7 1 1 3 The speeds of increasing or decreasing the frequency of the compressor The speed of increasing or decreasing the fre...

Page 17: ...e which are affected by the environment but also the maximum ability limitation of the system When the starting ability is not the maximum its maximum frequency limitation is calculated by the followi...

Page 18: ...perature Tao Tao 22 22 Tao 28 Tao 29 Refrigeration dehumidification 2nd level 2nd level 3rd level 4th level 5th level 6th level Tao Tao 10 10 Tao 17 Tao 17 Heating 5th level 6th level 3th level 5th le...

Page 19: ...100 times one cycle of procedure run is one time and about 5ms detection method for each time continuously sampling for 8 times then order them and take the mean value of the middle 2 values take the...

Page 20: ...cond During the starting process of the compressor if the AC current is greater than 13A the frequency of the compressor increases at the prohibited speed During the starting process of the compressor...

Page 21: ...emp_3 the frequency of the compressor doesn t change When ice_temp_3 Tpg_indoor ice_temp_3 3 the frequency of the compressor increases at the speed of 1HZ 10seconds For example Tpg_indoor 0 last for 2...

Page 22: ...4 21 97 6556 88 7989 80 6728 1 78 1 63 20 92 3028 84 0695 76 5017 1 76 1 62 19 87 2775 79 6222 72 5729 1 74 1 60 18 82 5577 75 4384 68 8710 1 72 1 59 17 78 1230 71 5010 65 3815 1 70 1 57 16 73 9543 67...

Page 23: ...0 81 0 80 23 11 2172 10 8634 10 5114 0 78 0 78 24 10 7475 10 4216 10 0964 0 75 0 75 25 10 3000 10 0000 9 7000 0 75 0 75 26 9 8975 9 5974 9 2980 0 76 0 76 27 9 5129 9 2132 8 9148 0 80 0 80 28 9 1454 8...

Page 24: ...1383 1 9803 2 45 2 29 68 2 2347 2 0695 1 9147 2 49 2 34 69 2 1652 2 0032 1 8516 2 54 2 38 70 2 0983 1 9393 1 7908 2 59 2 42 71 2 0337 1 8778 1 7324 2 63 2 46 72 1 9714 1 8186 1 6761 2 68 2 50 73 1 91...

Page 25: ...1 111 0 6528 0 5820 0 5183 4 74 4 26 112 0 6361 0 5667 0 5043 4 80 4 31 113 0 6200 0 5518 0 4907 4 86 4 36 114 0 6043 0 5374 0 4775 4 92 4 41 115 0 5891 0 5235 0 4648 4 98 4 45 116 0 5743 0 5100 0 452...

Page 26: ...4826 2 56 2 24 1 2296 6230 1996 2509 1733 6024 2 55 2 23 0 2167 2730 1887 0018 1641 4966 2 53 2 22 1 2045 9191 1784 3336 1554 7931 2 52 2 21 2 1932 0242 1687 8144 1473 1460 2 50 2 20 3 1825 0899 1597...

Page 27: ...529 1 74 1 63 43 239 0983 221 9825 205 9065 1 71 1 61 44 228 4809 212 4060 197 2844 1 69 1 59 45 218 3860 203 2887 189 0648 1 67 1 57 46 208 7855 194 6066 181 2273 1 65 1 55 47 199 6531 186 3369 173 7...

Page 28: ...03 1 02 87 40 3241 38 8545 37 4048 1 07 1 06 88 38 9643 37 5045 36 0668 1 11 1 09 89 37 6569 36 2078 34 7831 1 14 1 13 90 36 3996 34 9622 33 5513 1 18 1 16 91 35 1903 33 7653 32 3689 1 22 1 19 92 34 0...

Page 29: ...50 2 35 123 12 9531 12 0503 11 2003 2 54 2 39 124 12 5840 11 6965 10 8617 2 58 2 43 125 12 2270 11 3545 10 5348 2 63 2 47 126 11 8817 11 0240 10 2191 2 68 2 51 127 11 5475 10 7046 9 9142 2 72 2 55 12...

Page 30: ...Dimensional drawing 28 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity...

Page 31: ...pplied Check the indoor PCB Check to make sure that the indoor PCB is broken Operation sometimes stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation Equip...

Page 32: ...E4 Indoor EEPROM error Page 32 E14 Indoor fan motor malfunction Page 33 Outdoor Malfunction F12 1 Outdoor EEPROM error Page 32 F1 2 The protection of IPM Page 36 F22 3 Overcurrent protection of AC el...

Page 33: ...ce diagnosis 31 Domestic air conditioner F28 19 Loop of the station detect error Page 44 F2 24 Overcurrent of the compressor Page 37 F23 25 Overcurrent protection for single phase of the compressor Pa...

Page 34: ...input is more than 4 92V or less than 0 08V during compressor Decision operation Conditions Note The values vary slightly in some models Supposed Faulty connector connection Causes Faulty thermistor F...

Page 35: ...a detected by the EEPROM are used to determine MCU Malfunction Detection Malfunction When the data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed Faulty EEPROM data Causes Fa...

Page 36: ...ulty indoor unit PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Check whether terminals on indoor pcb is well...

Page 37: ...g condition and so on Malfunction Detection Malfunction when the data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed DC fan motor protection dues to the DC fan motor faulty C...

Page 38: ...Service diagnosis 36 Domestic air conditioner...

Page 39: ...IPM protection due to over current Decision The compressor faulty leads to IPM protection Conditions circuit component of IPM is broken and led to IPM protection Supposed IPM protection dues to the co...

Page 40: ...ubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Electrify the machine again and turn it on with the remote controller If ma...

Page 41: ...ed Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred 1 Check whether Terminal CN23 and CN24 on the outdoor mainboard...

Page 42: ...ply voltage not as specified Causes the IPM module is broken the outdoor PCB is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts dam...

Page 43: ...ed Electrify the machine again and turn it on with the remote controller then measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit The temperature exceeds 11...

Page 44: ...outdoor PCB Malfunction Detection Malfunction The outdoor PCB broken leads to communication fault Decision The indoor PCB broken leads to communication fault Conditions Supposed Communication wiring...

Page 45: ...tdoor pcb is damaged replace it with a new one NO Measure the voltage Between 3 and 4 of IC9 on the Outdoor mainboard with a Multimete The voltage is a constant value of 0V DC to 5V DC The outdoor pcb...

Page 46: ...Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Within 3 minutes after the machine is supplied with power an...

Page 47: ...ty heat exchanger Faulty heat exchange sensor Insufficient gas Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Elec...

Page 48: ...5 6437 6121 5774 24 16 5530 5446 5290 5028 6254 6768 6718 6448 5994 27 19 6239 6181 5933 5739 6879 7729 7551 7294 6795 30 22 6580 6440 6300 5950 7350 8050 7840 7560 7070 32 23 7072 6830 6624 6274 7919...

Page 49: ...416 1819 2227 2517 2723 24 16 1728 1702 1653 1013 1453 1818 2320 2596 2805 27 19 1891 1873 1798 1147 1581 2051 2458 2895 3115 30 22 1935 1894 1853 1151 1625 2077 2477 2926 3127 32 23 2021 1951 1893 12...

Page 50: ...B WB 21 15 27 19 35 24 10 1882 1973 2071 15 1931 1999 2092 20 1931 2025 2099 25 2033 2104 2195 30 2197 2341 2454 35 2418 2499 2634 38 2610 2683 2814 40 2888 3025 3165 43 3279 3419 3631 1000 1500 2000...

Page 51: ...oor temp DB WB 21 15 27 19 35 24 10 738 864 1004 15 746 873 1014 20 753 891 1024 25 793 900 1045 30 835 947 1056 35 843 956 1111 38 887 986 1134 40 976 1085 1247 43 1074 1171 1360 350 550 750 950 1150...

Page 52: ...oor temp indoor temp humidity 46 DB WB 10 20 27 15 4607 4293 4095 10 7081 6474 5972 7 8 8702 7890 7332 2 1 9303 8210 7445 7 6 9054 8361 7439 12 11 8104 7466 6509 18 16 6631 6252 5482 24 20 5320 4781 4...

Page 53: ...p indoor temp humidity 46 DB WB 10 20 27 15 1999 2104 2230 10 2393 2493 2618 7 8 2499 2658 2791 2 1 2595 2732 2868 7 6 2404 2504 2629 12 11 1701 1829 2012 18 16 1264 1404 1545 24 20 892 991 1090 0 500...

Page 54: ...DB WB 10 20 27 15 2562 2710 2844 10 2743 2922 3082 7 8 3183 3344 3430 2 1 332 7 3626 3721 7 6 3392 3520 3695 12 11 3283 3414 3518 18 16 3089 3210 3326 24 20 2620 2728 2877 1000 1500 2000 2500 3000 350...

Page 55: ...B 10 20 27 15 347 386 406 10 400 429 449 7 8 494 533 553 2 1 613 652 672 7 6 746 785 805 12 11 847 886 906 18 16 1014 1053 1073 24 20 1200 1239 1259 0 100 200 300 400 500 600 700 800 900 1000 1100 120...

Page 56: ...Sound level 54 Domestic air conditioner 12 Sound level Model Sound pressure level Sound power level cooling heating 230V 50HZ Measuring location of microphone Cooling heating H L SL JZ070 C1 52 65...

Page 57: ...SOR DON T TOUCH CAPACITOR EVEN AFTER PLUG OFF DANGER OF ELECTRIC SHOCK CN7 CN6 AC N OUT AC L OUT BR OR B BL OR W BL OR W BR OR B Note The dotted parts are optional The 1 and the 2 cannot exist at the...

Page 58: ...D 2 OUTPUT 3 IC303 L7815 P01 TO00 61 P27 ANI7 49 P26 ANI6 50 P25 ANI5 51 P24 ANI4 52 P23 ANI3 53 P22 ANI2 54 P21 ANI1 AVREFM 55 P20 ANI0 AVREFP 56 P130 57 P04 SCK10 SCL10 58 P03 ANI16 SI10 RXD1 SDA10...

Page 59: ...26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 4849 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 IC1 R5F 562T 7D D FK 5V R 020 10K R 021 10K R010 4 7K R 025 10K 5V 5V 1 2 3 JP2 5V R...

Page 60: ...Sincere Forever...

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