GE GES-NX2G50OUT Service Manual Download Page 44

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Service diagnosis

Domestic air conditioner

10.3.8 Power Supply Over or under voltage fault

Outdoor display: LED1 flash 6 times The power supply is over voltage

Method of An abnormal voltage rise or fall is detected by checking the specified voltage detection circuit.
Malfunction
Detection

Malfunction An voltage signal is fed from the voltage detection circuit to the microcomputer
Decision
Conditions

Supposed

Supply 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 damage may be occurred.

Electrify the machine again and turn it on with

the remote controller. Check whether the

compressor is started normally

Is it ok?

Yes

Maybe there is some disturbance

~230 is ok?

Yes

This question may be caused by the power. Repair

the power supply.

Change the IPM module

Test the outdoor power supply

(+310VDC) with a multimeter.

check whether the power

is >150 V or <390V?

Summary of Contents for GES-NX2G50OUT

Page 1: ...ntain 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 Dat...

Page 2: ...ns 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 diagnosis 11 Performance and curves diagrams 12 Circuit diagrams 15 48 30 29 29 56 ...

Page 3: ...Introduction Domestic air conditioner 1 Introduction 1 1 Model name explanation G E S N X 5 0 O U Platform of indoor units N N platform 5000W outdoor units Brand Split units 2 G Side closure T ...

Page 4: ...cket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the discharging refri...

Page 5: ...e welder in an enclosed room can cause oxygen deficiency 1 2 2 Cautions Regarding Products after Repair Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equ...

Page 6: ...s other than the specified refrigerant R 410A R22 in the refrigerant system If air enters the cooling system an excessively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to locate the leak and repair it before charging the refrigerant After charging refrigerant make sure that there is no refrigerant leak If the leak cannot be located and the repair ...

Page 7: ...operly and if the connections at the soldered or crimped terminals are secure Improper installation and connections can cause excessive heat generation fire or an electrical shock If the installation platform or frame has corroded replace it Corroded installation platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grou...

Page 8: ...cks Caution Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning Warning A warning is used when there is danger of personal injury Reference A reference guides the reader to other places in this binder or in this manual where he she will find additional in...

Page 9: ... e r u s s e e 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 7 1 7 0 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 9 8 10 2 0 1 0 1 A t n e r r u c g n i t r a t S TECHNICAL SPECIFICATIONS PARTS g n i t a e h g n i l o o c Compressor r o s s e r p m o C y r a t o R e p y T SNB130FGYMC l e d o M 900 W t u p t u o r o t o M t PVE...

Page 10: ...s m 7 Amount of Additional Charge of Refrigerant g m 20 Intemational Protection degree IP 24 Note the data are based on the conditions shown in the table below cooling heating Piping length Indoor 27 DB 19 WB ć ć Outdoor 35 DB 24 WB ć ć Indoor 20 DB ć Outdoor 7 DB 6 WB ć ć 5m 3ˊSensors list type Description Qty Ambient sensor Its used for detecti 1 e d i s r o o d t u o f o e r u t a r e p m e t g...

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

Page 12: ... Operation range Domestic air conditioner 5ˊOperation range 10 ...

Page 13: ...icate between the control board and the module board 9 CN26 CN24 Connector to P and N of the module board 10 CN4 Connector for communicate between indoor and outdoor unit PCB 2 Module PCB For GES NX2G50OUT CN10 Connector for the DC power 5V and 15V form the control PCB CN11 Connector for communicate between the control board and the module board P CN1 N CN5 Connector for capacitance board LI CN7 L...

Page 14: ...Printed circuit board connector wiring diagram 10 Domestic air conditioner PCB 1 CN26 CN22 CN1 CN2 CN3 CN23 CN24 CN4 CN21 CN9 CN8 CN10 CN19 CN18 CN17 CN20 CN16 ...

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

Page 16: ...ARD 1 02725 9 9 3 16 21 9 9 75 2 5 1 25 25 1 Remark the dotted parts are optional for different unit WR GRXEOH ZD DLU H FKDQJH PRWRU DLU H FKDQJH PRWRU WR VLQJOH ZD 5267 7 03 6 1625 TEMP SENSOR TEMP SENSOR 2035 6625 6 5 7 03 6 1625 1 02725 1 9 FUSE2 1 OHFWULF HDWLQJ DEOH TO INDOOR UNIT 7 50 1 2 32 5 1 HVFULSWLRQ ODVK 7LPHV 2XWGRRU 3520 HUURU 7KH SURWHFWLRQ RI 30 RPPXQLFDWLRQ IDXOW 2YHUFXUUHQW SURW...

Page 17: ...ction 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 rapidly 1 1HZ second The speed of increasing or decreasing the frequency slowly 2 1HZ 10seconds 7 1 1 4 The calculation of the compressor s frequency 1 The minimum maximum frequency limitation AˊWhile refrigerating F MA...

Page 18: ... and under the condition of maximum ability the maximum designing ability of the system T ě Ti Pi ěPi Ti Tst_i the setting temperature Tnh_i the indoor environment temperature Pi i the ability of the indoor unit Refrigeration dehumidification Heating mode K ě Ki Pi ěPi The calculation of the actual output frequency when there is no healthy airflow F F ED rated frequency P K When the healthy airflo...

Page 19: ... 14ć Ta 16ć Keeping the speed Ta 14ć High 7 1 3 The control of the outdoor Electronic expansion valve EEV 09K series have no this function In cooling mode the EEV opening range is 90 480 steps The EEV opening is 5 steps when unit is off In heating mode the EEV opening range is 60 480 steps The EEV opening is 45 steps when unit is off After outdoor unit is off the EEV opening keep the current on fo...

Page 20: ... 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 ć Abnormal stop 110 Decreasing the frequency rapidly 1HZ second 100 Decreasing the frequency slowly 1HZ 10seconds 98 The frequency doesn t change 93 Increasing the frequency 1HZ 10second 90 Increasing the frequency 1HZ 1second TTC 110ć lasts for 20 seconds Overhea...

Page 21: ...he compressor if the AC current is greater than 7A the frequency of the compressor increases at the prohibited speed ƽDuring the starting process of the compressor if the AC current is greater than 6 5A the frequency of the compressor increases at the speed of no faster than 0 1HZ second 7 1 5 4 The protection function of AC current During the starting process of the compressor if the AC current i...

Page 22: ...mp_3 3ć the frequency of the compressor increases at the speed of 1HZ 10seconds For example Tpg_indoorİ0ćˈlast for 2 minutes and then the outdoor unit will stop and report underload malfunction but don t send malfunction report to the indoor The compressor stops for more than 3 minutes Tpg_indoor ice_temp_3 2ć the compressor recovers 7 1 5 6 The frequency limitation of modification rate In the fie...

Page 23: ...6 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 7939 62 0907 1 68 1 55 15 70 0342 64 3023 58 9863 1 66 1 54 14 66 3463 61 0123 56 0565 1 64 1 52 13 62 8755 57 9110 53 2905 1 62 1 51 12 59 6076 54 9866 50 6781 1 60 1 49 11 56 5296 52 2278 48 2099 1 58 1 47 10 53 6294 49 6244 45 8771 1 56 1 46 9 50 8956 47 1666 43 67...

Page 24: ...14 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 8465 8 5496 0 84 0 83 29 8 7942 8 4964 8 2013 0 87 0 86 30 8 4583 8 1621 7 8691 0 91 0 90 31 8 1371 7 8428 7 5522 0 95 0 93 32 7 8299 7 5377 7 2498 0 98 0 97 33 7 5359 7 2461 6 9611 1 02 1 00 34 7 2546 6 9673 6 6854 1 06 1 04 35 6 985...

Page 25: ...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 9113 1 7614 1 6219 2 73 2 54 74 1 8533 1 7064 1 5697 2 78 2 58 75 1 7974 1 6533 1 5194 2 83 2 63 76 1 7434 1 6021 1 4710 2 88 2 67 77 1 6913 1 5528 1 4243 2 92 2 71 78 1 6409 1 5051 1 3794 2 97 2 75 79 1 5923 1 4592 1 3360 3 02 2 80 80...

Page 26: ... 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 4524 5 04 4 50 117 0 5600 0 4968 0 4404 5 10 4 55 118 0 5460 0 4841 0 4288 5 16 4 60 119 0 5325 0 4717 0 4175 5 22 4 65 120 0 5194 0 4597 0 4066 5 28 4 70 Discharging Sensor R80ć 50K f3 B25 80ć 4450Kf3 Temp ć Max Kȍ Normal Kȍ Min Kȍ Tolerance ć ...

Page 27: ...3 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 0431 1396 2333 2 48 2 19 4 1724 6540 1511 6468 1323 7551 2 47 2 17 5 1630 2870 1431 2787 1255 4324 2 45 2 16 6 1541 5904 1355 6163 1191 0048 2 43 2 15 7 1458 1938 1284 3593 1130 2298 2 41 2 14 8 1379 7528 1217 2282 1072 8813 2 40 2 13 9 130...

Page 28: ... 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 7524 1 63 1 54 48 190 9639 178 4584 166 6217 1 60 1 52 49 182 6945 170 9508 159 8181 1 58 1 50 50 174 8228 163 7951 153 3249 1 56 1 48 51 167 3280 156 9733 147 1268 1 53 1 46 52 160 1904 150 4683 141 2090 1 51 1 44 53 153 3914 144 2641 135...

Page 29: ... 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 0269 32 6151 31 2338 1 26 1 23 93 32 9075 31 5096 30 1438 1 30 1 27 94 31 8302 30 4467 29 0970 1 33 1 30 95 30 7933 29 4246 28 0915 1 37 1 34 96 29 7950 28 4417 27 1254 1 41 1 37 97 28 8337 27 4961 26 1970 1 45 1 41 98 27 9078 26 5864 25...

Page 30: ...31 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 55 128 11 2242 10 3957 9 6197 2 77 2 59 129 10 9112 10 0970 9 3352 2 81 2 63 130 10 6084 9 8082 9 0602 2 86 2 67 131 10 3151 9 5288 8 7945 2 91 2 71 132 10 0312 9 2586 8 5378 2 95 2 75 133 9 7563 8 9971 8 2895 3 00 2 80 134...

Page 31: ...Dimensional drawings Domestic air conditioner 8 Dimensional drawings 9 Center of gravity 29 780 810 640 245 245 780 12 7 3 4 780 245 640 unit mm unit mm ...

Page 32: ...ion 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 a r a p e m a n Compressor Rated voltage 220 230V Rated current 4 8A Rated frequency 50 60HZ Fan motor Rated voltage 220 230V Rated current 0 2A Rated frequency 50 60HZ Reactor Rated voltage 220 230V...

Page 33: ...ipment 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 liquid side connection pipes of the connection section among rooms to check the opening and closing operation of the electronic expansion valves of the individual units Diagnosis by service port pre...

Page 34: ...he outdoor model Page 39 Ŷ Ŷ 4 Communication fault between the IPM and outdoor PCB Page 41 Power voltage is too high or low Page 42 Ŷ Ŷ 8 Overheat protection for Discharge temperature Page 43 Ƒ Ƒ 10 Defrost temperature sensor failure Page 33 Ŷ Ŷ 1 1 Suction temperature sensor failure Page 33 Ƒ Ŷ 12 Ambient temperature sensor failure Page 33 Ƒ Ŷ 13 Discharge temperature sensor failure Page 33 Ŷ Ŷ 1...

Page 35: ...n 4 92V or less than 0 08V during compressor n o i t a r e p o n o i s i c e D Conditions The values vary slightly in some models Supposed Faulty connector connection Causes Faulty thermistor Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Thermistor resistance check method Remove the connector of the t...

Page 36: ...ta 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 Faulty EEPROM Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Replace the indoor or outdoor mainboard ...

Page 37: ...aulty 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 Electrify the machine again and turn it on in the cooling operation Measure voltage between the positions 1and 3 of Terminal CN5 on the indoor PCB the voltage is about 90 220vac check whether motor c...

Page 38: ...ition and so on Malfunction Detection Malfunction when the detected rotation feedback signal don t received in 2 minutes Decision Conditions Supposed DC fan motor protection dues to the DC fan motor faulty Causes DC fan motor protection dues to faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred ...

Page 39: ...an run Yes Measure the voltage between 3 and 6 of the terminal about 0 5v Is it normal N0 the motor of the outdoor unit is damaged and needs replacing Measure the voltage between 1 and 3 of the terminal of fan motor on the mainboard about DC310V Measure the voltage between 3 and 4 of the terminal about DC15V Measure the voltage between 5 and 3 of the terminal about 1 6v NO Is it normal The mainboa...

Page 40: ...es to faulty PCB of IPM module Ŷ Compressor wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Electrify the machine again and turn it on with the remote controller If malfunctions are reported before or upon the compressor being started up IPM Module is damaged and needs replacing 1ǃThe system ma...

Page 41: ...s too high Malfunction Detection Malfunction when the IPM Module is damaged Decision or the compressor is damaged Conditions power supply voltage is too low or too high Supposed Ŷ Faulty IPM Module Causes Ŷ Faulty compressor Ŷ Faulty power supply Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred ...

Page 42: ...ressor being started up IPM Module is damaged and needs replacing Repair the power supply The system may have been over or under charged with gas which can be judged through the pressure of the measuring system YES NO Yes NO The compressor is started normally but malfunctions are reported after it has run for some time Check the power supply is too low or too high NO ...

Page 43: ...onnected 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 CN10 and CN11 on IPM module 2 Check whether the connected wire between IPM and outdoor Are they good Electrify the machine again and turn it on Check whether the voltage between 1 and 2 of Termi...

Page 44: ...ply voltage not as specified Causes Ŷ the IPM module is broken Ŷ the outdoor PCB is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Electrify the machine again and turn it on with the remote controller Check whether the compressor is started normally Is it ok Yes Maybe there is some disturbance NO No 230 is...

Page 45: ...urred 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 110 ć shortly after the machine starts up 1 The cryogen may have been leaked during installation or there may be leakage in the piping system 2 There may be other causes to make the exhaust temperatu...

Page 46: ...sconnected Causes The indoor PCB is broken The outdoor PCB is broken The Module PCB is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred NO A Yes NO Yes No YES Restart the a c and it becomes normally If starting up normally but malfunction occurs again after a while Check whether the linking cable between the...

Page 47: ...outdoor unit with a multimeter If 230VAC is available but 310DC not the power module is damaged replace it with a new one Test the outdoor power supply 230VAC and 310VDC with a multimeter The outdoor mainboard is damaged replace it with a new one The indoor mainboard is damaged replace it with a new one If the value varies between 0 and 80 VAC the outdoor mainboard is damaged replace it with a new...

Page 48: ...or Ƶ 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 and turned on with the remote controller check whether the compressor can start up 1 The wiring of compressor is incorrect or the connection is poor 2 The compressor is damaged At first the compress...

Page 49: ...xchanger Ƶ Faulty heat exchange sensor Ƶ Insufficient gas Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Electrify the machine again and turn it on with the remote controller check whether the wind temperature is below 65ć The malfunction is reported after the machine has run for some time 1 ǃ Check room temperat...

Page 50: ...2 3617 4418 4888 4701 4610 4276 27 19ć 4440 4324 4291 3975 4940 5439 5280 5159 4824 30 22ć 4700 4600 4500 4250 5250 5750 5600 5400 5050 32 23ć 4939 4804 4736 4531 5537 6110 5904 5728 5432 35 24ć 5191 5142 4900 4615 5843 6384 6196 5960 5528 cooling value temerature table performance curves outdoor temp 3000 3500 4000 4500 5000 5500 6000 6500 cooling capacity W cooling capacity and indoor outdoor te...

Page 51: ...1207 734 1023 1312 1598 1873 1990 27 19ć 1345 1310 1300 795 1125 1449 1720 2018 2188 30 22ć 1382 1353 1324 820 1157 1479 1764 2083 2227 32 23ć 1411 1373 1353 874 1221 1572 1918 2210 2395 35 24ć 1442 1428 1361 890 1288 1642 2013 2299 2437 power consumption value temp table performance curves outdoor temp 100 600 1100 1600 2100 2600 power consumption w indoor temp DB WB power consumption and temp cu...

Page 52: ...999 2104 20ć 1932 2025 2122 25ć 2019 2104 2197 30ć 2193 2341 2487 35ć 2377 2499 2602 38ć 2554 2683 2784 40ć 2884 3025 3203 43ć 3332 3419 3635 performance curves cooling discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 10ć 15ć 20ć 25ć 30ć 35ć 38ć 40ć 43ć discharge pressure Kpa outdoor temp DB WB cooling discharge pressure and temp curves 21 15ć 27 19ć 35 24ć ...

Page 53: ...1 3 7 8 6 4 7 20ć 4 2 0 1 1 9 8 3 5 7 25ć 5 4 0 1 0 0 9 3 9 7 30ć 6 5 0 1 7 4 9 5 3 8 35ć 1 1 1 1 6 5 9 3 4 8 38ć 4 3 1 1 6 8 9 7 8 8 40ć 976 1085 1247 43ć 1074 1171 1360 indoor temp performance curves cooling suction pressure table 350 550 750 950 1150 1350 1550 10ć 15ć 20ć 25ć 30ć 35ć 38ć 40ć ć suction pressure Kpa outdoor temp DB WB cooling suction pressure and temp curves ć ć ć ...

Page 54: ... 5 4 4 8 5 6 4 4 6 2 1ć 5 1 5 5 1 8 0 6 1 9 8 6 7 6ć 1 1 5 5 3 9 1 6 7 0 7 6 12 11ć 2 2 8 4 0 3 5 5 3 0 0 6 18 16ć 1 6 0 4 1 3 6 4 2 1 9 4 24 20ć 9 5 1 3 2 4 5 3 1 4 9 3 indoor temp humidity 46 heating capacity and indoor outdoor temp table performance curves 0 1000 2000 3000 4000 5000 6000 7000 8000 heating capacity W heating capacity and indoor outdoor temp curves 10ć 20ć 27ć outdoor temp DB WB ...

Page 55: ... 6 0 2 4 6 9 1 6 4 8 1 2 1ć 9 1 1 2 8 1 0 2 7 1 9 1 7 6ć 2 4 9 1 0 5 8 1 6 7 7 1 12 11ć 7 8 4 1 2 5 3 1 7 5 2 1 18 16ć 1 4 1 1 7 3 0 1 4 3 9 24 20ć 6 0 8 2 3 7 9 5 6 indoor temp humidity 46 power consumption value temp table performance curves 0 500 1000 1500 2000 2500 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć 18 16ć 24 20ć cooling capacity w outdoor temp DB WB heating capacity and indoor outdoor temp curves ...

Page 56: ...4 3 3 2 5 1 3 2 1ć 2 3 7 3 6 2 6 3 6 6 3 3 7 6ć 5 6 6 3 0 2 5 3 6 0 3 3 12 11ć 8 5 5 3 4 1 4 3 1 5 2 3 18 16ć 1 7 3 3 0 1 2 3 2 3 0 3 24 20ć 4 2 8 2 8 2 7 2 9 5 5 2 performance curves heating discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć18 16ć24 20ć discharge pressure Kpa outdoor temp DB WB heating discharge pressure and temp curves 10ć 20ć 2...

Page 57: ... 3 5 4 9 4 2 1ć 2 7 6 2 5 6 3 1 6 7 6ć 5 0 8 5 8 7 6 4 7 12 11ć 6 0 9 6 8 8 7 4 8 18 16ć 1014 1053 1073 24 20ć 1200 1239 1259 performance curves heating suction pressure table indoor temp 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć18 16ć24 20ć suction pressure Kpa outdoor temp DB WB heating suction pressure and temp curves 10ć 20ć 27ć ...

Page 58: ...Circuit diagrams 56 Domestic air conditioner 12 Circuit diagrams ...

Page 59: ...Circuit diagrams 57 Domestic air conditioner ...

Page 60: ...R018 4 7K R016 1K R012 4 7K R011 4 7K R004 4 7K R019 4 7K R213 100 1 2 3 4 5 6 7 8 IC4 HA1630D06 IC4 HA1630D06 R206 1K R205 1K R203 1K R204 6 2K R201 1K R202 6 2K 1 2 3 4 5 6 7 8 5V 5V 1 2 3 CN11 䙊䇟 TR2 2SA1037AK PC1 PC817A PC2 PC817A TR3 MMBT9013 C018 103 C016 472 C017 223 C014 102 C032 104 C036 104 C023 224 C015 102 C034 104 C001 104 5V C413 100U 25V D203 US1M D202 US1M D201 US1M C412 22U 25V C4...

Page 61: ...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 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 REMOVAL PROCEDURE SERIES 40 STEEL S...

Page 62: ...Domestic air conditioner Removal of procedure 1 Removal of Outdoor panel 1 ...

Page 63: ...Domestic air conditioner Loosen the top panel screws 1 2 Lift the top panel Removal of procedure 2 ...

Page 64: ...Domestic air conditioner Loosen the screws and pull the panel Removal of procedure 3 ...

Page 65: ...Domestic air conditioner 2 Removal of Electrical Box Removal of procedure 4 ...

Page 66: ...Domestic air conditioner 3 Removal of Fan and Fan Motor Removal of procedure 5 ...

Page 67: ...Domestic air conditioner 2 Loosen the fixing screws and remove the motor Removal of procedure 6 ...

Page 68: ...Domestic air conditioner 4 Removal of Fan Motor Bracket and Partition Removal of procedure 7 ...

Page 69: ...Domestic air conditioner and remove the reactor Loosen the screw Removal of procedure 8 ...

Page 70: ...Domestic air conditioner Loosen the marked screws and pull out the backgurd 5 Removal of Compressor and Heat Exchanger Removal of procedure 9 ...

Page 71: ...Domestic air conditioner 4 Remove the compre ssor and pipe assay 5 Remove the conden ser Removal of procedure 10 ...

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