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Heiko JZ035-C2, Service Manual

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Heiko JZ035-C2 Service Manual Download Page 55

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omestic air

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12. Circuit diagrams

12.1 Outdoor unit control board circuit diagrams

Summary of Contents for JZ035-C2

Page 1: ...ise 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 at...

Page 2: ...s 7 3 Sensors list 8 4 Piping diagrams 9 5 Operation range 10 6 Printed circuit board connector wiring diagram 11 7 Functions and control 8 Dimensional drawings 9 Center of gravity 10 Service diagnosi...

Page 3: ...herefore be sure to observe all the safety caution itemsdescribed below About the p ictograms Thissymbol indicatesan item for which caution must be exercised The pictogram shows the item to which att...

Page 4: ...e from power grid will impact to the performance Using a multi meter to test short circuit of the four rootswires make sure no short circuit happen 1 2 2 Caution in Repair Warning Be sure to disconnec...

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: ...e r u s s e r p d n u o S 64 B d r e w o p d n u o S ELECTRICAL SPECIFICATIONS g n i t a e h g n i l o o c 4 5 8 4 A t n e r r u c g n i n n u r l a n i m o N Maximum running current A 7 1 7 1 4 1 4 1...

Page 10: ...of Additional Charge of Refrigerant g m 20 Intemational Protection degree IP X4 Note the data are based on the conditions shown in the table below h t g n e l g n i p i P g n i t a e h g n i l o o c I...

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

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

Page 13: ...for ground 4 CN7 Connector for the U V W wire of the compressor 5 CN8 6 CN9 7 L IN CN5 Connector for reactor 8 L OUT CN6 9 CN10 Connector for fan motor 10 CN11 Connector for four way valve coil 11 CN1...

Page 14: ...Functions and control 13 Domestic air conditioner Wiring diagrams OUTDOOR UNIT...

Page 15: ...requency 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 frequency r...

Page 16: ...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 following equations The frequency...

Page 17: ...quently it must be kept under each mode for over 30 seconds and then it can be changed to another mode when refrigerating the time is changed to 15 seconds 7 1 2 1 The outdoor fan control Within three...

Page 18: ...for each time continuously sampling for 8 times then order them and take the mean value of the middle 2 values take the mean value TTC 09K Abnormal stop 107 Decreasing the frequency rapidly 1HZ second...

Page 19: ...greater than 9A the frequency of the compressor decreases at the speed of 1HZ second During the starting process of the compressor if the AC current is greater than 8A the frequency of the compressor...

Page 20: ...rd with the running state 11 ice_temp_3 5 ice_temp_3 3 9 Increasing slowly 8 ice_temp_3 2 Keeping the frequency ice_temp_3 7 7 ice_temp_2 5 Decreasing slowly ice_temp_1 3 Decreasing rapidly ice_temp_1...

Page 21: ...78 1 94 1 75 29 155 5754 139 5600 125 0806 1 93 1 74 28 146 5609 131 7022 118 2434 1 91 1 73 27 138 1285 124 3392 111 8256 1 89 1 71 26 130 2371 117 4366 105 7989 1 87 1 70 25 122 8484 110 9627 100 13...

Page 22: ...14 5748 14 0079 13 4510 0 93 0 92 18 13 9436 13 4185 12 9017 0 91 0 90 19 13 3431 12 8572 12 3778 0 88 0 87 20 12 7718 12 3223 11 8780 0 86 0 85 21 12 2280 11 8126 11 4011 0 83 0 83 22 11 7102 11 326...

Page 23: ...6112 2 4328 2 17 2 05 62 2 7099 2 5246 2 3498 2 22 2 09 63 2 6232 2 4413 2 2700 2 26 2 13 64 2 5396 2 3611 2 1932 2 31 2 17 65 2 4591 2 2840 2 1195 2 36 2 21 66 2 3815 2 2098 2 0486 2 40 2 25 67 2 30...

Page 24: ...0 7036 0 6303 4 34 3 92 105 0 7641 0 6845 0 6127 4 40 3 97 106 0 7441 0 6661 0 5957 4 46 4 02 107 0 7247 0 6482 0 5792 4 51 4 07 108 0 7059 0 6308 0 5632 4 57 4 12 109 0 6877 0 6140 0 5478 4 63 4 16 1...

Page 25: ...945 2 66 2 29 7 3276 5302 2818 6731 2422 6139 2 64 2 28 6 3085 2854 2658 8058 2289 2164 2 63 2 28 5 2906 2851 2508 9126 2163 9230 2 61 2 27 4 2738 6777 2368 3158 2046 1961 2 60 2 26 3 2581 6752 2236 3...

Page 26: ...1 73 37 315 5682 290 6199 267 4031 1 84 1 71 38 301 1254 277 6976 255 8620 1 82 1 70 39 287 4128 265 4119 244 8745 1 80 1 68 40 274 3905 253 7288 234 4118 1 78 1 66 41 262 0206 242 6161 224 4465 1 76...

Page 27: ...0 0 85 0 84 81 49 7063 48 2057 46 7083 0 85 0 85 82 47 9835 46 4842 44 9911 0 89 0 89 83 46 3286 44 8323 43 3452 0 93 0 92 84 44 7385 43 2468 41 7672 0 96 0 95 85 43 2105 41 7248 40 2540 1 00 0 99 86...

Page 28: ...36 2 23 120 14 1376 13 1879 12 2909 2 41 2 27 121 13 7294 12 7955 11 9144 2 45 2 31 122 13 3347 12 4165 11 5510 2 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 1...

Page 29: ...Dimensional drawings Domestic air conditioner 8 Dimensional drawings 9 Center of gravity 00 4 unit mm unit mm 00 700 245 4 4...

Page 30: ...on error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages Parameter of primary electronic appliance e r u t c i p r e t e m...

Page 31: ...pment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve Set the units to cooling operation and compare the temperatures of the...

Page 32: ...7 Compressor stall press instantaneous stop Page 40 F4 Directly display 8 Compressor discarging temperature protection Page 41 F8 Trouble record 9 Abnormal of DC motor Page 36 F21 Directly display 10...

Page 33: ...nput is more than 4 92V or less than 0 08V during compressor Decision operation Conditions z Note The values vary slightly in some models Supposed Faulty connector connection Causes Faulty thermistor...

Page 34: ...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 35: ...ty 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 El...

Page 36: ...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 37: ...Service diagnosis 37 Domestic air conditioner...

Page 38: ...to 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 th...

Page 39: ...oubleshooting 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 m...

Page 40: ...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 41: ...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 42: ...red 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 1...

Page 43: ...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 44: ...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 45: ...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 46: ...rty 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 Ele...

Page 47: ...2461 2343 2865 3156 3000 2927 2726 27 19 2848 2767 2778 2597 3234 3512 3455 3302 3044 30 22 3008 2944 2880 2720 3360 3680 3584 3456 3232 32 23 3232 3105 3011 2925 3577 3879 3858 3667 3432 35 24 3354 3...

Page 48: ...769 487 670 874 1034 1216 1288 27 19 863 838 842 523 754 955 1137 1328 1417 30 22 885 866 847 535 755 964 1150 1358 1452 32 23 924 887 860 575 803 1016 1277 1441 1542 35 24 932 900 883 586 828 1048 1...

Page 49: ...197 15 2041 2136 2270 20 2091 2164 2287 25 2131 2248 2325 30 2354 2501 2587 35 2553 2670 2838 38 2775 2866 2968 40 3125 3232 3446 43 3548 3653 3877 performance curves cooling discharge pressure table...

Page 50: ...p humidity 46 DB WB 21 15 27 19 35 24 10 906 1060 1232 15 915 1071 1244 20 924 1093 1257 25 973 1104 1283 30 1024 1162 1295 35 1035 1174 1364 38 1089 1210 1392 40 1198 1331 1531 43 1318 1437 1668 perf...

Page 51: ...tdoor temp DB WB 10 20 27 15 1991 1855 1769 10 3060 2798 2580 7 8 3760 3409 3168 2 1 4020 3547 3217 7 6 3912 3613 3215 12 11 3502 3226 2813 18 16 2865 2702 2369 24 20 2299 2066 1842 indoor temp humidi...

Page 52: ...erformance curves outdoor temp DB WB 10 20 27 15 859 904 958 10 1029 1071 1125 7 8 1074 1142 1200 2 1 1115 1174 1233 7 6 1033 1076 1130 12 11 731 786 865 18 16 543 604 664 24 20 383 426 469 indoor tem...

Page 53: ...9 7 8 3465 3658 3759 2 1 3632 3966 4144 7 6 3667 3850 3991 12 11 3544 3735 3922 18 16 3361 3510 3667 24 20 2832 2984 3077 performance curves heating discharge pressure table indoor temp 1000 1500 2000...

Page 54: ...8 492 532 551 2 1 611 651 670 7 6 744 784 803 12 11 844 884 904 18 16 1011 1051 1071 24 20 1197 1237 1257 performance curves heating suction pressure table indoor temp 0 100 200 300 400 500 600 700 80...

Page 55: ...56 Do C omestic air ircuit Diagra conditioner ams r 12 Circuit diagrams 12 1 Outdoor unit control board circuit diagrams...

Page 56: ...57 Do C omestic air ircuit Diagra conditioner ams r...

Page 57: ...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 t...

Page 58: ...Removal Procedure 1 Removal of Outdoor panel RPHVWLF LU RQGLWLR...

Page 59: ...Removal Procedure 2 Domestic Air Condition...

Page 60: ...4 Removal Procedure 3 Domestic Air Condition...

Page 61: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR...

Page 62: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR...

Page 63: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...

Page 64: ...Removal Procedure 7 Domestic Air Condition...

Page 65: ...Removal Procedure 5 Removal of compressor and heat exchanger RPHVWLF LU RQGLWLR...

Page 66: ...Removal Procedure 9 Domestic Air Condition...

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