DAEWOO ELECTRONICS TAC-07CHSA Service Manual Download Page 1

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WALL MOUNTED SPLIT-TYPE AIR CONDITIONERS

SERVICE MANUAL

No.180807

Models

TAC-07CHSA

TAC-09CHSA

TAC-12CHSA

TAC-18CHSA

TAC-24CHSA

CONTENTS

1. IMPORTANT NOTICE

2. PRODUCT DIMENSIONS

3. REFRIGERATION CYCLE DIAGRAM

OPERATION DETAILS

5. WIRING DIAGRAM

6. EXPLOSION VIEW AND PART LISTS

7. PRECAUTION

8. NAMES OF PARTS

9. INSTALLATION

10. TROUBLE SHOOTING

Summary of Contents for TAC-07CHSA

Page 1: ...els TAC 07CHSA TAC 09CHSA TAC 12CHSA TAC 18CHSA TAC 24CHSA CONTENTS 1 IMPORTANT NOTICE 2 PRODUCT DIMENSIONS 3 REFRIGERATION CYCLE DIAGRAM 4 OPERATION DETAILS 5 WIRING DIAGRAM 6 EXPLOSION VIEW AND PART LISTS 7 PRECAUTION 8 NAMES OF PARTS 9 INSTALLATION 10 TROUBLE SHOOTING ...

Page 2: ... for the interpretation of this information nor can it assume any liability in connection with its use The information specifications and parameters are subject to change due to technical modification or improvement without any prior notice The accurate specifications are presented on the nameplate label How to order spare parts To have your order filled promptly and correctly please furnish the f...

Page 3: ...door unit A B C D E F G H I J K TAC 07CHSA 698 255 190 600 500 232 375 276 256 52 55 TAC 09CHSA 698 255 190 600 500 232 375 276 256 52 55 TAC 12CHSA 777 250 205 700 552 256 439 2 277 8 48 55 910 292 205 760 552 518 357 329 55 55 820 605 300 63 910 292 205 256 508 302 302 277 8 48 TAC 18CHSA TAC 24CHSA ...

Page 4: ...ry Compressor Accumulator Heat exchange condenser Heat exchange Evaporator 2 way valve Liquid side 3 way valve Gas side Cooling Heating Gas side 3 way valve Liquid side 2 way valve Heat exchange Evaporator Heat exchange condenser Accumulator Compressor 4 way valve Capillary Assembly Check valve ...

Page 5: ... Only then you CAN NOT preset the Heating operation with the remote controller 9 9 1 2 4 3 5 6 10 7 MODE button ECO button FAN SPEED button TEMP UP button TIMER button SLEEP button TEMP DOWN button To select the mode of operation In cooling mode press this button the temperature will increase 2 on the base of setting temperature In heating mode press this button the temperature will decrease 2 on ...

Page 6: ...able to retain and restore the original mode when being turned on or the power supply is resumed if the auto restart function activated power off after power on while if the auto restart function isn t activated the A C enters standby state Heat pump Mode Initial RT Initial ST Cooling RT 26 C 23 C Dry 26 C RT 20 C 7 C Heating RT 20 C 23 C Cooling only Mode Initial RT Initial ST Cooling RT 26 C 23 ...

Page 7: ... ST CRT 1 C the compressor is running b When ST CRT 1 C the compressor stops c When 1 C ST CRT 1 C the compressor keeps its original state 2 Outdoor fan motor and the compressor run simultaneously except for defrosting 3 The control of indoor fan motor a Indoor fan motor can operate by automatic low middle or high airflow speed circularly b Indoor fan motor automatic airflow speed control it works...

Page 8: ... Off Tim be in accord ing during d ing optiona m run into de 3 d c all require ax ᇞIPT 0min the co tion 1 the fir me should b is more than erature is le e set is 8 mi or is operatin on wind tem mpressor ope sting accordi Conditioner Se nomic opera ediately but ing Sleep F dance with o efrosting no l function st frosting onc ed to meet ompressor ru rst running ti be determine Figure 3 n or equal to...

Page 9: ...he machine runs into defrosting and last for 8 min if the accumulative totally less than 30min but accord with one of the condition option 1 3 then the machine runs into defrosting at the option 1 3 and the accumulative total time restarts from 0 Conditions for quitting defrosting 1 The quitting conditions for option 1 option 2 and 4 the machine quits from defrosting if any one below condition met...

Page 10: ...then no changed anymore 3 The machine will automatically shut up after running 10 hours under sleep mode When Timer ON and Sleep mode are implemented at the same time the Sleep mode can not be functioned 7 Timer function The timer can preset between 10min to 24h when the time set less than 10 hours the displayed time shown by 0 5 hour as the unit when the time set more than or equal to 10 hours th...

Page 11: ...ection the compressor can t start up until it stops 3 min later except for the defrosting process c After the compressor started it s operation state remains the same within 3 min even when ST RT variation 2 Anti frosting protection of indoor evaporator Cooling mode If IPT 0 C detected in consecutive 3 min compressor and outdoor fan motor to be stopped operation indoor fan motor runs at high speed...

Page 12: ... are several failure codes reported at the same time then failure codes appears by turns every eight seconds correspondingly 6a Sensor s failure protection when the sensor tested temperature out of the range 50 C T 110 C sensor failure is determined Once RT and or IPT sensor failure appears the compressor stops and indoor and outdoor fan motors shut off Remote controller doesn t response to any si...

Page 13: ...Air Conditioner Service Manual 12 OUTDOOR UNIT 5 WIRING DIAGRAM MODEL TAC 07CHSA TAC 09CHSA TAC 12CHSA TAC 18CHSA TAC 24CHSA INDOOR UNIT ...

Page 14: ...Air Conditioner Service Manual 13 6 EXPLOSION VIEW AND PARTS EXPLOSION VIEW Mode TAC 07CHSA TAC 09CHSA INDOOR UNIT 20 21 19 18 17 14 13 12 11 10 9 8 7 6 5 4 3 2 1 22 23 24 15 16 25 26 27 ...

Page 15: ...901127S Display PCB 1 14 210746874A Front Panel 1 15 1170120044 Power Supply Cord 1 16 210738393 Electrical Box Cover 1 17 210736832 Cable Clamp 1 18 210900376 Terminal 1 19 210901509 Transformer 1 20 210901526AP Main PCB 1 21 210736831 Electrical Box 1 22 210900333 Indoor Sensor Assembly 1 23 1170030047F Indoor Motor 1 24 210737653 Indoor Motor Cover 1 25 210737091 Drainage Hose 1 26 1170020011 V...

Page 16: ...7S Display PCB 1 14 210746874A Front Panel 1 15 1170120044 Power Supply Cord 1 16 210738393 Electrical Box Cover 1 17 210736832 Cable Clamp 1 18 210900376 Terminal 1 19 210901509 Transformer 1 20 210901526AP Main PCB 1 21 210736831 Electrical Box 1 22 210900333 Indoor Sensor Assembly 1 23 1170030047F Indoor Motor 1 24 210737653 Indoor Motor Cover 1 25 210737091 Drainage Hose 1 26 1170020011 Vane M...

Page 17: ...Air Conditioner Service Manual 16 Mode TAC 12CHSA INDOOR UNIT 22 23 25 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 24 20 26 21 ...

Page 18: ... 210739807A Front Panel 1 14 1170120045 Power Supply Cord 1 15 210737654 Electrical Box Cover 1 16 210900376 Terminal 1 17 210736832 Cable Clamp 1 18 210901510 Transformer 1 19 210901526AN Main PCB 1 20 210736831 Electrical Box 1 21 210900333 Indoor Sensor Assembly 1 22 1170030047F Indoor Motor 1 23 210737653 Indoor Motor Cover 1 24 210737091 Drainage Hose 1 25 1170020011 Vane Motor 1 26 210736813...

Page 19: ...Air Conditioner Service Manual 18 Mode TAC 18CHSA TAC 24CHSA INDOOR UNIT 20 21 19 18 17 14 13 12 11 10 9 8 7 6 5 4 3 2 1 22 23 24 15 16 25 26 27 ...

Page 20: ...7S Display PCB 1 14 210746782B Front Panel 1 15 1170120045 Power Supply Cord 1 16 210738393 Electrical Box Cover 1 17 210736832 Cable Clamp 1 18 210900376 Terminal 1 19 210901509 Transformer 1 20 210901526AV Main PCB 1 21 210900333 Indoor Sensor Assembly 1 22 210736831 Electrical Box 1 23 1170030067J Indoor Motor 1 24 210738581 Indoor Motor Cover 1 25 210737091 Drainage Hose 1 26 1170020031AC Vane...

Page 21: ...7S Display PCB 1 14 210746782B Front Panel 1 15 1170120045 Power Supply Cord 1 16 210738393 Electrical Box Cover 1 17 210736832 Cable Clamp 1 18 210900376 Terminal 1 19 210901224 Transformer 1 20 210901617AJ Main PCB 1 21 210900333 Indoor Sensor Assembly 1 22 210736831 Electrical Box 1 23 1170030101B Indoor Motor 1 24 210738581 Indoor Motor Cover 1 25 210737091 Drainage Hose 1 26 1170020031AC Vane...

Page 22: ...Air Conditioner Service Manual MODEL TAC 07CHSA TAC 09CHSA TAC 12CHSA TAC 18CHSA TAC 24CHSA OUTDOOR UNIT 11 20 19 7 6 5 18 14 15 17 16 21 22 24 23 25 12 13 9 10 8 4 3 2 26 1 27 21 ...

Page 23: ...Valve Assembly 1 13 210837829 Base 1 14 1081990012 Right Plate 1 15 211236491 Two way Valve 1 16 1081990013 Valve Supporter 1 17 1120130039 Three way Valve 1 18 1073521301 Electrical Box Cover 1 19 1070040001 Cable Clamp φ6 1 20 1070040002 Cable Clamp φ7 1 21 1170500131 Terminal 1 22 1170100031A Fan Motor Capacitor 1 23 1170100014A Compressor Capacitor 1 24 1080010002 Capacitor Strip 1 25 10819900...

Page 24: ...alve Assembly 1 13 210800528 Base 1 14 1081990012 Right Plate 1 15 211236491 Two way Valve 1 16 1081990013 Valve Supporter 1 17 1120130039 Three way Valve 1 18 1073521301 Electrical Box Cover 1 19 1070040001 Cable Clamp φ6 1 20 1070040002 Cable Clamp φ7 1 21 1170500131 Terminal 1 22 1170100031A Fan Motor Capacitor 1 23 1170100014A Compressor Capacitor 1 24 1080010002 Capacitor Strip 1 25 108199001...

Page 25: ...lve Assembly 1 13 210800466 Base 1 14 1080050002 Right Plate 1 15 1120120021 Two way Valve 1 16 1080050003 Valve Supporter 1 17 211206766 Three way Valve 1 18 1070350971 Electrical Box Cover 1 19 1070040001 Cable Clamp φ6 1 20 1070040002 Cable Clamp φ7 1 21 1170500131 Terminal 1 22 1170100010AB Fan Motor Capacitor 1 23 1170100004A Compressor Capacitor 1 24 1080010006 Capacitor Strip 1 25 108199001...

Page 26: ... Valve Assembly 1 13 210800487 Base 1 14 1080050002 Right Plate 1 15 1120120021 Two way Valve 1 16 1080050003 Valve Supporter 1 17 1120130085 Three way Valve 1 18 1070350971 Electrical Box Cover 1 19 1070040001 Cable Clamp φ6 1 20 1070040003 Cable Clamp φ8 1 21 1170500131 Terminal 1 22 1170100027A Fan Motor Capacitor 1 23 1170100004A Compressor Capacitor 1 24 1080010006 Capacitor Strip 1 25 108199...

Page 27: ...alve Assembly 1 13 210800568 Base 1 14 1081990054 Right Plate 1 15 1120120021 Two way Valve 1 16 1081990055 Valve Supporter 1 17 1120130037 Three way Valve 1 18 1070350971 Electrical Box Cover 1 19 1070040001 Cable Clampφ6 1 20 1070040008 Cable Clampφ10 1 21 1170500131 Terminal 1 22 1170100030A Fan Motor Capacitor 1 23 1170100033A Compressor Capacitor 1 24 1080010006 Capacitor Strip 1 25 108199001...

Page 28: ... accordance with the wiring rules z The air conditioner must be installed by professional or qualified persons Do not install the appliance at a distance of less than 50 cm from inflammable substances alcohol etc Or from pressurized containers e g spray cans z If the appliance is used in areas without the possibility of ventilation precautions must be taken to prevent any leaks of refrigerant gas ...

Page 29: ...res z The user is responsible for having the appliance installed by a qualified technician who must check that it is earthed in accordance with current legislation and insert a thermomagnetic circuit breaker z The batteries in remote controller must be recycled or disposed of properly Disposal of Scrap Batteries Please discard the batteries as sorted municipal waste at the accessible collection po...

Page 30: ...2 Air filter 3 Special filter option 4 Display PCB 5 Vertical vane 6 Horizontal vane 7 Remote controller 8 Names of parts Outdoor unit No Name 8 Air outlet grille 9 Electronic box cover 10 2 way valve 11 3 way valve 1 2 3 4 6 5 7 INDOOR UNIT 8 9 10 11 OUTDOOR UNIT 29 ...

Page 31: ...7CHSA 3 0 15 20g m TAC 09CHSA 3 0 15 20g m TAC 12CHSA 3 0 15 20g m TAC 18CHSA 4 0 15 30g m TAC 24CHSA 4 0 15 30g m Connecting cables The power cord should be selected according to the following specifications sheet Appliance Amps Wire Size 5 AWG21 0 75 mm2 10 AWG18 1 0 mm2 13 AWG15 1 5 mm2 18 AWG14 1 6 mm2 25 AWG12 2 0 mm2 30 AWG10 2 5 mm2 Outdoor unit Indoor unit Pipe length is 15 meters Max be l...

Page 32: ... shown in the picture z Install the indoor unit where the filter can be easily accessible OUTDOOR UNIT z Do not install the outdoor unit near sources of heat steam or flammable gas z Do not install the unit in too windy or dusty places z Do not install the unit where people often pass Select a place where the air discharge and operating sound level will not disturb the neighbors z Avoid installing...

Page 33: ...the hole in the wall for the piping if necessary according to the position of the mounting plate 2 Install a flexible flange through the hole in the wall to keep the latter intact and clean The hole must slope downwards towards the exterior Note Keep the drain pipe down towards the direction of the wall hole otherwise leakage may occur 9 2 3Electrical connections Indoor unit 1 Lift the front panel...

Page 34: ...ipe is bent or pulled too often it will become stiff Do not bend the pipe more than three times at one point z When extending the rolled pipe straighten the pipe by unwinding it gently as shown in the picture 9 2 6 Connections to the indoor unit 1 Remove the indoor unit pipe cap check that there is no debris inside 2 Insert the fare nut and create a flange at the extreme end of the connection pipe...

Page 35: ...htening procedures described for the indoor unit Note If the tightening torque is not sufficient there will probably be some leakage With excessive tightening torque there will also be some leakage as the flange could be damaged 9 2 6Bleeding Air and humidity left inside the refrigerant circuit can cause compressor malfunction After having connected the indoor and outdoor units bleed the air and h...

Page 36: ...t does not operate at all Power supply voltage check Connector contact check Power trans output voltage PCB assembly check Power receptable voltage Product input voltage PCB assembly Power input voltage Driving load terminal Display PCB connector AC about 12 3V 35 ...

Page 37: ...tail check Operation mode check PCB ass y check Check Motor driving circuit Relay output Check Motor output connector Motor capacitor Check Motor bearing inserted state Fan Blower fixed state Fan Blower contact state Replace motor or PCB ass y Connector contact check Sensor resistance check Main PCB check and replace Replace the sensor Connect again OK OK No No ...

Page 38: ...Freon short of system and display E4 11 5 System protection E5 High low pressure protection model Start unit Check the pressure of system Check the resistance of pipe sensor Check the main PCB Check leak place and add the Freon OK OK Replace the sensor Replace the main PCB Start unit Check the pressure of system Check hight low pressure switch Replace hight low pressure switch Check PCB Replace PC...

Page 39: ...ature sensor open short check Thermistor and evaporator surface contact check Clearance is needed 5mm Connector check Contact power Connector check Contact power Disconnection short circuit check of connecting wire OLP High pressure switch Low pressure switch check Electric wire connection check for outdoor side Operation mode dehumidifying check Compressor motor detail check PCB assembly check Ch...

Page 40: ...hort circuit mal connection Vane motor check PCB assembly check vane motor driving circuit Replace the vane motor Replace the PCB Heating operation ON by remote controller Connector check If the 4 way valve is ON tick sounds PCB assembly 4 way valve connection check outdoor unit connecting wire check Check the voltage of 4 way valve coil 4 way valve coil resistance check 39 ...

Page 41: ...2 Room temperature sensor IRT and Indoor pipe coil temperature sensor IPT damage short or broken Solution check the resistance of the sensor R 25 5 kΩ if short or broken please replace it 3 The PCB fail Solution Replace the indoor main PCB 11 5 2 Display E6 Reasons 1 The indoor motor connection terminal loose or not plugged in Solution Check the connecter of indoor motor and slot CN3 and CN4 if lo...

Page 42: ...Air Conditioner Service Manual 41 2 The indoor motor damage Solution Check and replace the motor 3 The indoor main PCB damage Solution Replace the indoor main PCB ...

Page 43: ...1 3 981 2 192 76 0 895 0 746 13 26 239 4 186 32 3 836 2 146 77 0 869 0 728 12 24 984 4 152 33 3 697 2 101 78 0 843 0 710 11 23 795 4 117 34 3 563 2 057 79 0 819 0 692 10 22 671 4 082 35 3 435 2 012 80 0 795 0 675 9 21 606 4 045 36 3 313 1 969 81 0 773 0 658 8 20 598 4 008 37 3 195 1 926 82 0 751 0 641 7 19 644 3 969 38 3 082 1 883 83 0 729 0 625 6 18 732 3 930 39 2 974 1 842 84 0 709 0 610 5 17 88...

Page 44: ...Resistance at 25 5 kΩ TH1 indoor room temperature sensor and outside air temperature sensor TH2 indoor exchange temperature sensor and outside exchange temperature sensor Before measuring resistance disconnect connectors as shown above ...

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