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SERVICE MAN

Outdoor unit

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

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

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V1 Date

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Model No:

JZ025-C2

Содержание JZ025-C2

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 9: ...r u s s e r p d n u o S 63 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 3 6 3 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 5 4 6 2 4 1 4 1...

Страница 10: ...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 Ind...

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

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 37: ...Service diagnosis 37 Domestic air conditioner...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 47: ...2329 2532 2467 2394 2250 27 19 2304 2298 2197 2123 2627 2841 2768 2628 2517 30 22 2444 2392 2340 2210 2730 2990 2912 2808 2626 32 23 2566 2534 2475 2378 2933 3130 3058 2973 2779 35 24 2679 2613 2544 2...

Страница 48: ...7 635 621 384 537 692 840 964 1045 27 19 698 696 666 419 597 748 897 1032 1145 30 22 719 704 688 428 604 771 920 1087 1161 32 23 733 724 707 460 649 807 997 1150 1229 35 24 744 726 707 467 665 848 104...

Страница 49: ...1913 2022 2152 20 1998 2048 2182 25 2065 2128 2271 30 2192 2367 2493 35 2411 2527 2664 38 2643 2713 2818 40 2969 3059 3211 43 3361 3458 3629 performance curves cooling discharge pressure table indoor...

Страница 50: ...079 15 802 938 1090 20 810 957 1101 25 852 967 1124 30 897 1018 1135 35 906 1028 1195 38 954 1060 1219 40 1049 1166 1341 43 1154 1259 1462 performance curves indoor temp cooling suction pressure table...

Страница 51: ...8 2238 2064 7 8 3008 2727 2535 2 1 3216 2838 2574 7 6 3130 2890 2572 12 11 2802 2581 2250 18 16 2292 2161 1895 24 20 1839 1653 1474 indoor temp humidity 46 heating capacity and indoor outdoor temp tab...

Страница 52: ...73 10 830 864 907 7 8 866 921 967 2 1 900 947 994 7 6 833 868 911 12 11 590 634 698 18 16 438 487 535 24 20 309 344 378 indoor temp humidity 46 power consumption value temp table performance curves 0...

Страница 53: ...7 3031 7 8 3238 3373 3542 2 1 3370 3657 3781 7 6 3361 3550 3685 12 11 3228 3444 3575 18 16 3091 3237 3313 24 20 2641 2751 2846 performance curves heating discharge pressure table indoor temp 1000 1500...

Страница 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...

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

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

Страница 57: ......

Страница 58: ...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...

Страница 59: ...Removal Procedure 1 Removal of Outdoor panel RPHVWLF LU RQGLWLR...

Страница 60: ...Removal Procedure 2 Domestic Air Condition...

Страница 61: ...4 Removal Procedure 3 Domestic Air Condition...

Страница 62: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR...

Страница 63: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR...

Страница 64: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...

Страница 65: ...Removal Procedure 7 Domestic Air Condition...

Страница 66: ...Removal Procedure 5 Removal of compressor and heat exchanger RPHVWLF LU RQGLWLR...

Страница 67: ...Removal Procedure 9 Domestic Air Condition...

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