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2.1.4 Summary of check items by cause

Check item

Suction/discharge air

temp.diff. of evaporator

Short of refrigerant

Capillary closing (a part)

Bad compressor

Rated current

Cooling Heating

Cooling 8°C Heating 14°C

Cooling Heating

Low pressure

High pressure

Cause

Outdoor heat exchanger
contaminated

Indoor heat exchanger
contaminated

2.2 Precautions on repair

1) When discharging refrigerant (from pipe or body), the discharge outlet should direct the direction where

nobody exists.

2) Do not work near fire or flame.

3) Work in a large space if possible and arrange the scaffold.

4) Especially for working on rooftop, prepare a place to keep tools and take care to prevent from falling.

5) While running (pump down work, test run), do not insert hands into fan.

6) Clean the Indoor-outdoor connecting pipes and the manifold gauge edges to be free from dust or moisture.

7) Be sure to fill refrigerant to the specified level. (If refrigerant is too much or short, the capacity is down and

trouble may occur.)

8) Keep tools well, and check the measuring machine periodically.

TCL Air Conditioner Service Manual

Содержание AC-07CK

Страница 1: ...PLOSION VIEW 29 9 PARTS LIST 33 10 ANNEX 1 THERMISTOR CHARACTERISTIC 11 ANNEX 2 GENERAL 12 ANNEX 3 TROUBLE SHOOTING 13 ANNEX 4 R407C REFRIGERANT Models TAC 07CS K TAC 07CHS K TAC 09CS K TAC 09CHS K TA...

Страница 2: ...formation nor can it assume any liability in connection with its use The information specifications and parameter are subject to change due to technical modification or improvement without any prior n...

Страница 3: ...system Microcomputer controlled reverse system Fan System Indoor air circulation m3 h 430 430 430 430 Indoor fan type Cross flow Cross flow Cross flow Cross flow Cooling rpm 1000 950 900 1000 950 900...

Страница 4: ...mputer controlled reverse system Fan System Indoor air circulation m 3 h 480 480 480 480 Indoor fan type Cross flow Cross flow Cross flow Cross flow Cooling rpm 1230 1150 1000 1230 1150 1000 1230 1150...

Страница 5: ...r controlled reverse system Fan System Indoor air circulation m 3 h 530 530 800 850 800 850 Indoor fan type Cross flow Cross flow Cross flow Cross flow Cooling rpm 1150 1060 900 1150 1060 900 1300 120...

Страница 6: ...em Microcomputer controlled reverse system Fan System Indoor air circulation m 3 h 550 550 730 730 Indoor fan type Cross flow Cross flow Cross flow Cross flow Cooling rpm 1230 1150 1000 1230 1150 1000...

Страница 7: ...e system Fan System Indoor air circulation m 3 h 1000 1000 1000 1000 Indoor fan type Cross flow Cross flow Cross flow Cross flow Cooling rpm 1300 1200 1100 1300 1200 1100 1300 1250 1150 1300 1250 1150...

Страница 8: ...K J D E Unit mm Capacity A B C D E F G H I J K 7K 9K 710 250 179 600 500 231 271 296 52 365 55 12K 770865 250 179 700 540 255 290 320 40 439 55 18K 1036 313 204 760 540 255 340 370 62 635 63 24K 1036...

Страница 9: ...exchanger Refrigerant flow in cooling or Defrosting Refrigerant flow in heating Distributor Reversing valve 4 way valve Cooling Only INDOOR UNIT OUTDOOR UNIT Refrigerant pipe Optional with heat insula...

Страница 10: ...y Outdoor unit precharged up to 7m 15m 160 7m 0 10m 60 07K 09K 12K 18K MAX HEIGHT DIFFERENCE ADDITIONAL REFRIGERANT CHARGE R 22 g MAX REFRIGERANT PIPING LENGTH Calculation Xg 20g m A 7 m Calculation X...

Страница 11: ...ter of the gage manifold valve remains in the same position Check the vacuum with the gage manifold valve then close the gage manifold valve and stop the vacuum pump Run the vacuum pump for more than...

Страница 12: ...r wet dry bulb temperature and the indoor outlet air wet dry bulb temperature for your reference at service How to measure the indoor air wet bulb dry bulb temperature difference 1 Attach at least 2 s...

Страница 13: ...15 1 12 9 28 0 25 9 23 7 21 6 19 4 17 2 15 1 12 9 19 9 18 4 16 9 15 3 13 8 12 3 10 7 9 2 24 NOTE The above curves are for the heating operation without any frost OUTDOOR LOW PRESSURE AND OUTDOOR UNIT...

Страница 14: ...dity Outdoor unit current A 220 240V 220 240V kgf F G MPa G kgf F G MPa G 0 7 0 6 0 5 0 4 0 3 0 2 7 6 5 4 3 2 18K 18K Outdoor low pressure Ambient temperature C Ambient humidity Ambient temperature C...

Страница 15: ...14 5 C 18K Outdoor unit current A Outdoor unit current A Outdoor unit current A Outdoor unit current A Ambient temperature C Ambient temperature C Ambient temperature C Ambient temperature C 220V 240V...

Страница 16: ...1 1 1 TCL Air Conditioner Service Manual Operation Details Remote Controller presetting er presetting presetting as Cooling Only Air Conditioner or Heat Pump by manufacturer Each time after the remote...

Страница 17: ...ol During HEATING operation the outdoor fan motor and compressor are controlled by the indoor pipe temperature to prevent the high temperature of compressor Outdoor fan OFF 52 Outdoor fan ON 48 Compre...

Страница 18: ...be controlled 5 HEATING Mode Operation Only available for Heat Pump 1 When the HEATING mode is selected without setting temperature the system will set the temperature at 23 automatically with the AU...

Страница 19: ...10 minutes Defrosting time chart Outdoor Fan ON OFF ON Revering Valve ON OFF ON Compressor Relay ON OFF ON OFF ON 39S 5S Defrost Count MAX 12min 19S 15S t 6 Assistant Thermistor Function Assistant th...

Страница 20: ...cessor to feedback the rotational frequency Comparing the current rotational frequency with the target rotational frequency the microprocessor adjusts fan motor electric to make the current rotational...

Страница 21: ...t the time time setting is 30 minutes units After setting the timer check that TIMER INDICATOR lamp of the indoor unit lights Press the ON OFF button for the air conditioner operates in timer the time...

Страница 22: ...e failure of indoor pipe temperature sensor Twice cycle E2 Outdoor protection function 5 times cycle E5 The failure of indoor fan 6 times cycle E6 e Failure Handling When the room temperature sensor o...

Страница 23: ...Fan Motor Vane Motor M M Indoor Unit Power supply Brown Yellow Green evaporator K1 TH2 TH1 CN6 CN8 CN3 CN4 CN5 3 COM CN1 CN2 4 N O P2 2 P2 1 PCB Brown Blue Yellow Green Outdoor Unit Blue 1 N OUTDOOR U...

Страница 24: ...low Blue Yellow Green Display PCB Pipe Temp sensor Room Temp sensor Theimistor Transformer Power Supply Brown Blue PCB CN1 CN2 TH1 TH2 P2 1 P5 P4 P2 2 CN11 CN10 NO K1 COM 4 3 CN8 CN6 CN5 CN4 CN3 M M N...

Страница 25: ...OM Relay 1 N N L Display PCB Fan Motor FM SM SM Vane Motor To The Outdoor Room Temp Sensor Pipe Temp Sensor Blue Brown Blue Brown L N 1 2 3 4 1 2 3 4 5 1 2 3 4 5 OUTDOOR UNIT Brown Blue Yellow Green C...

Страница 26: ...ay Transformer Fan Motor Vane Motor Room Temp Sensor Pipe Temp Sensor FM SM Display PCB SM Yellow Green Yellow Green Yellow Green Blue Blue Brown Brown L OUTDOOR UNIT Compressor 4 way Vane White CM R...

Страница 27: ...SM Vane Motor Display PCB Room Temp Sensor Pipe Temp Sensor 1 2 3 4 4 5 3 2 1 5 4 3 2 1 To Outdoor Unit OUTDOOR UNIT Conpressor White White Yellow Green Blue Brown Yellow Green Brown Blue Blue Brown B...

Страница 28: ...n Motor Vane Motor Room Temp Sensor Pipe Temp Sensor To Outdoor Unit 1 2 3 N L 1 2 3 4 5 1 2 3 4 5 4 3 2 1 OUTDOOR UNIT White White Red Yellow Blue Brown Yellow Green White White Red Brown Yellow Gree...

Страница 29: ...INDOOR UNIT TAC 07CS K TAC 07CSH K TAC 07CSC K TAC 07CHSC K TAC 09CS K TAC 09CHS K TAC 09CSC K TAC 09CHSC K TAC 12CS K TAC 12CHS K TAC 12CSC K TAC 12CHC K 1 2 3 5 14 6 7 8 9 10 15 16 17 18 19 20 21 2...

Страница 30: ...tioner Service Manual 30 INDOOR UNIT TAC 18CS K TAC 18CSC K TAC 18CHS K TAC 18CHSC K TAC 24CS K TAC 24CSC K TAC 24CHS K TAC 24CHSC K 1 2 3 4 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 20 19 18 1...

Страница 31: ...nditioner Service Manual 31 Outdoor Unit TAC 07CS K TAC 07CSC K TAC 09CS K TAC 09CSC K TAC 12CS K TAC 12CSC K TAC 18CS K TAC 18CSC K TAC 24CS K TAC 24CSC K 1 2 3 5 4 6 7 9 10 11 12 13 14 15 16 17 20 2...

Страница 32: ...tioner Service Manual 32 Outdoor Unit TAC 07CHS K TAC 07CHSC K TAC 09CHS K TAC 09CHSC K TAC 12CHS K TAC 12CHSC K TAC 18CHS K TAC 18CHSC K TAC 24CHS K TAC 24CHSC K 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16...

Страница 33: ...ard Cover 1 15 1170120042 Power Supply Cord 1 16 1070250103 Vane 1 17 1070110008 Drainage Hose 1 18 1070040006 Electrical Box Cover 1 19 1070040004 Cable Clamp 1 20 1170200039 Terminal 1 21 1070250109...

Страница 34: ...Cover 1 15 1170120042 Power Supply Cord 1 16 1070250103 Vane 1 17 1070110008 Drainage Hose 1 18 1070040006 Electrical Box Cover 1 19 1070040004 Cable Clamp 1 20 1170200040 Terminal 1 21 1070250109 Ter...

Страница 35: ...Cover 1 15 1170120047 Power Supply Cord 1 16 1070320104 Vane 1 17 1070110008 Drainage Hose 1 18 1070040006 Electrical Box Cover 1 19 1070040004 Cable Clamp 1 20 1170200039 Terminal 1 21 1070250109 Ter...

Страница 36: ...Cover 1 15 1170120047 Power Supply Cord 1 16 1070320104 Vane 1 17 1070110008 Drainage Hose 1 18 1070040006 Electrical Box Cover 1 19 1070040004 Cable Clamp 1 20 1170200040 Terminal 1 21 1070250109 Te...

Страница 37: ...over 1 15 1170120047 Power Supply Cord 1 16 1070320104 Vane 1 17 1070110008 Drainage Hose 1 18 1070040006 Electrical Box Cover 1 19 1070040004 Cable Clamp 1 20 1170200039 Terminal 1 21 1070250109 Term...

Страница 38: ...Cover 1 15 1170120047 Power Supply Cord 1 16 1070320104 Vane 1 17 1070110008 Drainage Hose 1 18 1070040006 Electrical Box Cover 1 19 1070040004 Cable Clamp 1 20 1170200040 Terminal 1 21 1070250109 Ter...

Страница 39: ...ical Box Cover 1 16 1170120006 Power Supply Cord 1 17 1073090108 Vane A 1 18 1073090125 Vane B 1 19 1070110008 Drainage Hose 1 20 1070040003 Cable Clamp 2 21 1170020011 Vane Motor 1 22 1170200038 Term...

Страница 40: ...trical Box Cover 1 16 1170120006 Power Supply Cord 1 17 1073090108 Vane A 1 18 1073090125 Vane B 1 19 1070110008 Drainage Hose 1 20 1070040003 Cable Clamp 2 21 1170020011 Vane Motor 1 22 1170200040 Te...

Страница 41: ...scharge Pipe 1 13 1123521402 Suction Pipe 1 14 1213530414 Base 1 15 1120120008 Two way Valve 1 16 1080050014 Valve Supporter 1 17 1120130011 Three way Valve 1 18 1080050013 Right Plate 1 19 1073521301...

Страница 42: ...1120250608 Discharge Pipe 1 13 1123521402 Suction Pipe 1 14 1210500106 Base 1 15 1120120017 Two way Valve 1 16 1080050003 Valve Supporter 1 17 1120130025 Three way Valve 1 18 1080050002 Right Plate 1...

Страница 43: ...3521402 Suction Pipe 1 14 1213530414 Base 1 15 1120120008 Two way Valve 1 16 1080050014 Valve Supporter 1 17 1120130011 Three way Valve 1 18 1080050013 Right Plate 1 19 1073521301 Electrical Box Cover...

Страница 44: ...bly 1 13 1210320103 Base 1 14 1120120017 Two way Valve 1 15 1080050003 Valve Supporter 1 16 1120130025 Three way Valve 1 17 1080050002 Right Plate 1 18 1073551103 Electrical Box Cover 1 19 1080020001...

Страница 45: ...e Pipe 1 13 1120320702 Suction Pipe 1 14 1210320103 Base 1 15 1120120016 Two way Valve 1 16 1080050003 Valve Supporter 1 17 1120130021 Three way Valve 1 18 1080050002 Right Plate 1 19 1073551103 Elect...

Страница 46: ...250608 Discharge Pipe 1 13 1123521402 Suction Pipe 1 14 1210500106 Base 1 15 1120120017 Two way Valve 1 16 1080050003 Valve Supporter 1 17 1120130018 Three way Valve 1 18 1080050002 Right Plate 1 19 1...

Страница 47: ...e Assembly 1 13 1210320103 Base 1 14 1120120016 Two way Valve 1 15 1080050003 Valve Supporter 1 16 1120130021 Three way Valve 1 17 1080050002 Right Plate 1 18 1073551103 Electrical Box Cover 1 19 1080...

Страница 48: ...13 1210500106 Base 1 14 1120120017 Two way Valve 1 15 1080050003 Valve Supporter 1 16 1120130018 Three way Valve 1 17 1080050002 Right Plate 1 18 1073551103 Electrical Box Cover 1 19 1080020001 Electr...

Страница 49: ...00101 Suction Pipe 1 14 1210500106 Base 1 15 1120120016 Two way Valve 1 16 1080050003 Valve Supporter 1 17 1120130021 Three way Valve 1 18 1080050002 Right Plate 1 19 1073551103 Electrical Box Cover 1...

Страница 50: ...120700103 Discharge Pipe 1 14 1214561809 Base 1 15 1120120011 Two way Valve 1 16 1084530502 Valve Supporter 1 17 1120130013 Three way Valve 1 18 1084530503 Right Plate 1 19 1074530503 Electrical Box C...

Страница 51: ...0106 Base 1 14 1120120016 Two way Valve 1 15 1080050003 Valve Supporter 1 16 1120130021 Three way Valve 1 17 1080050002 Right Plate 1 18 1073551103 Electrical Box Cover 1 19 1080020002 Electrical Part...

Страница 52: ...1214561809 Base 1 14 1120120011 Two way Valve 1 15 1084530502 Valve Supporter 1 16 1120130013 Three way Valve 1 17 1084530503 Right Plate 1 18 1074530503 Electrical Box Cover 1 19 1084561802 Electrica...

Страница 53: ...n Pipe 1 13 1120700103 Discharge Pipe 1 14 1214561809 Base 1 15 1120120011 Two way Valve 1 16 1084530502 Valve Supporter 1 17 1120130013 Three way Valve 1 18 1084530503 Right Plate 1 19 1074530503 Ele...

Страница 54: ...120700103 Discharge Pipe 1 14 1214561809 Base 1 15 1120120011 Two way Valve 1 16 1084530502 Valve Supporter 1 17 1120130013 Three way Valve 1 18 1084530503 Right Plate 1 19 1074530503 Electrical Box C...

Страница 55: ...ssembly 1 13 1214561809 Base 1 14 1120120011 Two way Valve 1 15 1084530502 Valve Supporter 1 16 1120130013 Three way Valve 1 17 1084530503 Right Plate 1 18 1074530503 Electrical Box Cover 1 19 1084561...

Страница 56: ...1214561809 Base 1 14 1120120011 Two way Valve 1 15 1084530502 Valve Supporter 1 16 1120130013 Three way Valve 1 17 1084530503 Right Plate 1 18 1074530503 Electrical Box Cover 1 19 1084561802 Electrica...

Страница 57: ...le of refrigerating cycle 4 Definition of terms 5 The term of unit 6 The term of function 7 Mollier diagram 8 Psychrometric chart 9 Noise characteristics 10 Load calculation 11 The coordination coeffi...

Страница 58: ...ling Heating Heat pump Window Window Skinny PTAC Split Split Floor Standing Multi Cassette Duct Convertible 27 c 20 c 40 c Cooling Cooling Heating 19 c Cassette Split Window Floor Standing Skinny Conv...

Страница 59: ...te air flow and keep uniformly the temperature humidity condition of room unit Standard for feeling comfortable 3 Principle of refrigerating cycle 3 1 Principle of refrigerating It is as follows 1 Spr...

Страница 60: ...easy to evaporate 4 Evaporation The liquid refrigerant of low temperature and low pressure passed though the capillary tube absorbs the room air heat in evaporator and evaporates into a gas MOTOR COM...

Страница 61: ...substance with its temperature constant is called latent heat whereas heat which changes the temperature of a substance is called sensible heat Latent heat is expressed in terms of calo ries needed t...

Страница 62: ...xpressed in calorie required to freeze water 1 Ton water 32 F 2000 lb into ice 32 F and when using the solidification latent heat of water 1RT is as follows 1 RT 144BTU lb x 2000 lb 24hr 12 000 BTU hr...

Страница 63: ...temperature and low pressure The type of capillary is generally a thin and long copper tube of 0 6 2 0mm2 inner diameter and 1 2m long The resistance of tube causes to turn into a liquid of low pres s...

Страница 64: ...e switch H P S W A protective device of automatic return type which protects compressor from overload by sensing the discharge pressure of compressor working at an abnormal high temperature and shutti...

Страница 65: ...le of multi model 20 Check valve Prevent refrigerant from reverse flow in refrigerating cycle It is installed in a place where it is necessary to prevent the reverse flow of refrigerant in a copper pi...

Страница 66: ...ition 1 Evaporation condensation temperature Find an evaporation temperature 8 C on the saturated liquid line or saturated vapor line in Mollier diagram and draw a horizontal line isobar line pressure...

Страница 67: ...rcooling 6 C 5 State of expansion valve outlet The state of evaporator inlet The state is changed on isentropic line with out thermal input output in expansion valve so the state point is the intersec...

Страница 68: ...g effect and the heat equivalent of work Figure 7 10 qe qe Al qe iA iD iB iA iB iD 7 5 7 3 Calculation of refrigerating cycle 1 Refrigerating effect Calories which evaporator absorbes and the refriger...

Страница 69: ...is calculated as follows D Diameter of cylinder m n Rotational speed of compressor rpm L Piston stroke m N No of cylinder 5 Coefficient of performance The efficiency of refrigerating cycle It is expre...

Страница 70: ...8 5kcal kg iC 110kcal kg iD 110kcal kg iC iD 112kcal kg iE 148kcal kg Accordingly Refrigerating effect q1 iA iD 148 5 110 38 5 kcal kg Work of compression A1 iB iA 158 5 148 5 10 kcal kg Calorie of co...

Страница 71: ...9 30 20 10 0 10 20 30 40 50 60 70 80 t 90 C t 90 C 50 C 50 C 50 C 1 0 0 C 1 5 0 C 2 0 0 C 0 0 02 100 C 150 C 200 C 1 3 0 1 2 5 1 2 0 0 0 0 3 0 0 0 4 0 0 0 5 0 0 0 6 0 0 0 8 0 01 0 0 6 0 1 0 15 0 2 0...

Страница 72: ...cific volume v 0 862 m3 kg 8 2 Discomfort index DI In summer Discomfort Index is frequently used in the weather forecast on TV or newspapers Man feels hot or dry according as the relative humidity is...

Страница 73: ...house caused the bedclothes in wardrobe to be damp by de wing or the winter heating caused to form dew on window and waterdrop to flow into wall or floor carpet Dewing prevention Such a fine particle...

Страница 74: ...a t i v e h u m i d i t y S a t u r a t e d d e g r e e W e t B u lb t e m p e r a t u r e t C Dry Bulb temperature t C I c e w a t e r Absolute humidity x kg kg DA 40 35 30 Steampartialpressure Pw mm...

Страница 75: ...0 L1 L2 10 L1 L L1 L2 The equation is applied to the sound decomposition method When complex sound measured sound is L3 dB and background noise is L2 dB the object sound L1 dB is calculated as follows...

Страница 76: ...0 5 Lpd 50 20 log 1 4 38 0 2 Considering the noise source the complex noise level is L 10 log 1044 10 1044 10 1040 5 10 1038 10 1035 10 48 5 dB 9 3 Allowable level of noise 1 NC curve NC curve as an a...

Страница 77: ...Latent heat 28 C 27 C 26 C 24 C 21 C SH LH SH LH SH LH SH LH SH LH 44 44 49 39 53 35 58 30 65 23 45 56 49 52 53 48 61 40 69 32 45 68 50 63 54 59 62 51 72 41 45 81 50 76 55 71 64 62 73 53 48 91 56 83...

Страница 78: ...0 5 1 5 7 4 2 3 Double window Without pent roof unit m Entrance door Opening shutting door Wall inner wall Living room Wall No sunshine North Condition Apartment living room middle layer 4 persons in...

Страница 79: ...area subtract the window area 2 All of each outer wall to the directions east west south with sunshine is calculated as sunshine and the outer wall to north or shade direction is calcu lated as north...

Страница 80: ...r over Western or southern room Many persons in a room Heater in a room 3 Rough selection of capacity Considering the above 2 add the clearance rate by 10 each except for lecture room kitchen or speci...

Страница 81: ...ople occupy area add 600 BTU Hr per person If only one person subtract 600 BTU HR How to read the cooling Selection Guide 1 Determine area to be cooled in sqare feet Locate that point on the left side...

Страница 82: ...ANNEX 3 TROUBLE SHOOTING INDEX 1 Electric parts 2 Refrigerant system 3 Troubleshooting 4 Installation Fundamentals TCL Air Conditioner Service Manual...

Страница 83: ...Usable voltage Product rating 10 2 Electric wire capacity The electric wire for airconditioner should have an allowable current more than the load current of the circuit and be able to control the vol...

Страница 84: ...Insulation resistance measurement of compressor Measure the insulation resistance of compressor between compressor terminal and dead metal part by insu lation resistor and the insulation resistance s...

Страница 85: ...ee kinds of dial vibrating direction in tester and each vibrating direction and symptom is as follows A Normal Dial shakes instantaneously and returns to the original state immediately B Short Dial re...

Страница 86: ...f knob is turned but click does not sound remove the thermostat cover and examine the contact point The fused contact point should be replaced with a new thermostat If contact point is not closed desp...

Страница 87: ...tor inside and for a single phase compressor with O L P built in it identifies the O L P operating condition and wire disconnection 1 Shut off the power supply to product 2 Remove the wires connected...

Страница 88: ...erature of discharge pipe in compressor and if it is abnormally low temperature 50 C or less the compressor is bad c Conduct the pump down test of system to check the compression capacity Power off th...

Страница 89: ...n indoor unit Adjust the wind direction so that wind is discharged to the front direction in the installed condition b Measure the voltage and current in running condition c Measure the pressure of lo...

Страница 90: ...ure converted into pressure The low pressure is normally 4 5 6 0kg cm2G Temperature is normally 3 C 10 C Indoor Side Outdoor Side Evaporator Compressor Capillary Tube High pressure Liquid side tube Lo...

Страница 91: ...comes out from the evaporator condenser connections and each welded portion Finding the gas leak place 3 Actions Find the gas leak area Check at balance pressure of 5kg cm2 G or over Charge refrigera...

Страница 92: ...eck for gas leak 4 Bad compression 1 Symptoms The temperature difference of suction discharge air is little the running current is less than the specified current the pressure of high pressure side is...

Страница 93: ...d direct the direction where nobody exists 2 Do not work near fire or flame 3 Work in a large space if possible and arrange the scaffold 4 Especially for working on rooftop prepare a place to keep too...

Страница 94: ...tage Driving load terminal Display PCB connector Power receptable voltage Product input voltage Evaportor condenser connecting pipe PCB assy fuse varistor pattern AC about 14 3V General model Connecto...

Страница 95: ...capacitor Communication effor Blower lock sensing In dehumidifying heating or artificial intelligence operation room fan may be off Coil resistance TP Motor capacitor Motor insulation resistance Motor...

Страница 96: ...sor open close check Connector check Contact power Disconnection short circuit check of connecting wire Electric wire connection check for outdoor side Compressor motor detail check Repeat running sto...

Страница 97: ...At the moment the blower is stopped up down vane auto switch is stopped and if blower is started auto switch is re operated Especially it occurs while dehumidifying or heating Motor shaft assembly che...

Страница 98: ...room fan is stopped louver auto swing is stopped and if room fan is started auto swing is re operated Especially it occurs while dehumidifying or heating Motor shaft assembly check Connector check Di...

Страница 99: ...compressor is stopped blower is operated at low fan In dehumidifying mode to enhance the dehumidifying effect blower is operated at low fan In heating mode blower is stopped or operated at low fan acc...

Страница 100: ...ration by remocon and after about 30 sec check the 4 way valve relay output 4 way valve OFF If 4 way valve is OFF the refrigerant flowing sounds pee due to cycle switchover occurs If the reversing val...

Страница 101: ...ed copper pipes with non rectangular section Troubles Causes Defect Details Guidelines Pipe cutter Pipe cutter Make pipe straight before cutting and it makes a rectangular section Cu pipe Cu pipe Cutt...

Страница 102: ...bles Causes Defect Details Guidelines Reamer Burrs should be removed clearly with REAMER Only clean surfaces prevent gas leakages Burrs not removed properly after cutting Flaring the pipe with burrs n...

Страница 103: ...zes for several pipes which make proper connectings a Pipe dia b Hight c Flared dia Pipe worked with large sized b won t be assemsled into the nut Pipe worked with small sized b will make small contac...

Страница 104: ...wrench is required for proper fastenings Check gas leakages of 4 fastened points and welded points with soap bubbles ctc High pressure points amid compressor s running Low pressure points amid compres...

Страница 105: ...For a better drain the install plate may be tilted 2 3 to drain pan s drain side Install plate Weight Confirm the water draining is good or not by poring water into the drain pan Connecting parts of d...

Страница 106: ...auses Defect Details Guidelines Connect the extending hose outside and seal with bond and finish by taping Install the drain hose straightened and downward 2 Curved or upward drain hose 1 Improperly e...

Страница 107: ...d ending Troubles Causes Defect Details Guidelines The wall through hole should be downward Don t make drain hose clogged with water 2 Clogged drain hose with water 1 Upwarded drain hose along the wal...

Страница 108: ...etely insulate weak points like pipe connection and hidden parts Ceiling Hidden parts like behind the ceiling is a weak point too 2 Un insulated hidden parts 1 Incomplete insulation works on tube conn...

Страница 109: ...ect Details Guidelines Make U trap against the waterdrop inflow tapings should be upward form downside Outdoor unit Indoor unit U trap 1 Pipe from upside lead waterdrops rain drainage etc into the roo...

Страница 110: ...ng tubings For a simple check of proper freon quantity com pare the in and out air temperature after 15 m in from com pressor s running Air in Detect the gas leakages before insulation tubing confirm...

Страница 111: ...Guidelines Ensure the distance needed for air flows Bad air flows lead cooling capacity s drop The product may not run normally as the accumulated heat make compressor stop by protecting device s wor...

Страница 112: ...s Guidelines Ensure not to disturb the air intake flows Ensure not to disturb the air discharge flows The awning is recommended for a optimum cooling 1 The space for air intake is too narrow Closed ai...

Страница 113: ...oor unit Troubles Causes Defect Details Guidelines Discharged air should be outward and not disturbed Establish a proper awning 1 The outdoor shut in a verandah does not work normally The air around t...

Страница 114: ...es To get a good shaped tube after bending use specified spring or bending tools In changing air conditioning unit the tubes too should be changed with proper ones 1 Crushed tube by improper bending w...

Страница 115: ...Installed too high beyond recommended height difference between indoor and outdoor unit Higher than recommended Nth 3rd 2rd 1st floor Recommending maximum distances between indoor and outdoor unit RAC...

Страница 116: ...Guidelines 1 Unstable installed outdoor unit 2 Released fittings and fasteners Slanted Parallel Duct Indoor unit Install the unit balanced stably using specified legs etc To prevent vibrations and no...

Страница 117: ...ect Details Guidelines Unstable fixing of surplus tubings will make vibrations and noises during the compressor s running Fixing band Cut away the surplus tubings But if there are any surplus tubings...

Страница 118: ...crews of electric power lines It can be led to critical accidents 2 Wiring mistake of fan s electric power lines for outdoor Fan rotates reversely and the unit will be shutdown with overload Air disch...

Страница 119: ...for the troubles be insulation break 1 Outdoor runs on main electric power s supply Short between white and red cables 2 Fuse melts on compressor s running Short between red cable and copper pipe 3 Fu...

Страница 120: ...the system Bad smells and gases delivered by drain line Troubles Causes Defect Details Guidelines Discharging bad smells gases Bad smells gases can be discharged through the drain hose Bad smells gase...

Страница 121: ...rant in the system will have to be pulled out and stored in a disposal cylinder do not ventilate in ambient 2 Refrigerant charge will have to be done only with liquid phase in order to guarantee prope...

Страница 122: ...Temperature trend in evaporate 6 Temperature trend in condenser NOT PERMITTED Only complete refrigerant charge YES Possible partial refrigerant charge Use only HFC detector Use only HCFC detector 2 Ma...

Страница 123: ...ANNEX 5 INSTALLATION INSTRUCTION TCL Air Conditioner Service Manual Part 1 Wall mounted Split Type...

Страница 124: ...ooling type is available 1 2 2 Weak points 1 A little amount of evaporation heat should circulate a great deal of liquid at the same refrigerating capacity 2 When using for iron steels scale occurs mo...

Страница 125: ...high low pressure Putty Vinyl tape Remocon fixture Fixture clamping screw Remocon Refrigerant circuit connection to Indoor Outdoor Chaging of wall through hole Wire pipe finishing Remocon hanger Remo...

Страница 126: ...into account and select a place where noise and vibration are minimum 5 Select a place so that the warm air and noise from the air conditioner do not disturb neighbors 6 Rooftop Installations If the...

Страница 127: ...hole through the wall for piping connections must be done safely For right rear piping and left rear piping draw a line in the direction of the arrow marked D The meeting point of the two lines is th...

Страница 128: ...outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Copper pipe 90 Slanted Uneven Rough Bar Copper pipe Clamp handle Red arrow mark Co...

Страница 129: ...oks engage into their slots click ing sound C Tape the tubing drain hose and the connecting cable Be sure that the drain hose is located at the lowest side of the bundle Locating at the upper side can...

Страница 130: ...r unit pipe Pipe Torque wrench Indoor unit tubing Spanner fixed Connection pipe Flare nut Vinyl tape narrow Adhesive Drain pipe Indoor unit drain hose When extending the drain hose at the indoor unit...

Страница 131: ...ghten the flare nut with a wrench G Wrap the insulation material around the connect ing portion Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material Bind them...

Страница 132: ...chassis and push the bottom of tubing holder to be engaged at the bottom of chassis J Indoor unit installation 1 Remove the spacer 2 Ensure that the hooks are properly seated on the installation plate...

Страница 133: ...outdoor unit 3 6 1 Connect the cable to the Indoor unit Connect the cable to the indoor unit by connecting the wires to the terminals on the control board indi vidually according to the outdoor unit c...

Страница 134: ...casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened I...

Страница 135: ...prevent water entering the room 3 Fix the piping onto the wall by saddle or equivalent Trap Seal small openings around pipings with a gum type sealer Trap Trap is required to prevent water from enteri...

Страница 136: ...Leak test Connect the manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses Pressurize the system to no more than 150 P S I G with dry nitrogen gas...

Страница 137: ...ortant to prevent leakage from the system 5 Replace the service valve caps at both the gas and the liquid side and fasten them tight This completes air purging with a vacuum pump The air conditioner i...

Страница 138: ...be removed If the actual pressure are lower than shown the system is most likely undercharged and charge should be added The air conditioner is now ready for use Bolt Tubing connection Outside ambient...

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Содержание AC-07CK

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TCL AC-07CK, Руководство по обслуживанию, Страница: 93 / 138

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Содержание AC-07CK

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