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Air Conditioner Service Manual

11.4.2 DC Over Current Error

Error memory is

recorded

Start

Are valves (2-way

or 3-war) close?

Full open stop valves

Does compressor

rotates?

Does compressor

rotates more than

30 seconds?

Check IPM lead

wire (UVW)

IPM PWB

floating

from the heat sink

Fix

IPM PWB

with screws

securely.

Check

the AC power

supply voltage when

compressor rotate.(rated

voltage±10%)

Check

IPM

short

circuit

Modify the connection of

compressor lead wire on

PWB

Replace

PWB

Cooling mode?

Check

compressor

Modify compressor terminal

marking

Replace PWB

Does compressor

rotates?

Replace

compressor

Check indoor

exchange sensor

and discharge

sensor

Modify or replace

the sensor

Check outdoor

exchange sensor

and discharge

sensor

Modify or replace

the sensor

Check indoor

heat exchange

Check outdoor

heat exchange

Clean indoor heat

exchange

Clean outdoor

heat exchange

Check the refrigerant

amount

Check the discharge

press

Check the installation

condition

Yes

Abnormal

Normal

Yes

Abnormal

Normal

Содержание TACM2O-28HIA

Страница 1: ...e Manual Models TACM2O 14HIA TACM2O 18HIA TACM2O 21HIA TACM2O 28HIA CONTENTS 1 Important Notice 2 3 Product Dimensions 4 Refrigeration cycle diagram 5 Operation details 6 Wiring diagram 7 Explosion vi...

Страница 2: ...le for the interpretation of this information nor can it assume any liability in connection with its use The information specifications and parameter are subject to change due to technical modificatio...

Страница 3: ...l split type Model A B C 9K 810 292 198 12K 810 292 198 Cassette type 574 19 620 3 04 574 124 64 144 293 50 113 95 255 45 Duct type Model A B C D E F G H I J 7 9 12K 700 450 200 570 172 510 140 738 29...

Страница 4: ...ice Manual 3 Outdoor Unit Model Outdoor unit D E F G H I J K 14000BTU 780 605 290 521 360 327 5 55 56 18000BTU 780 605 290 521 360 327 5 55 56 21000BTU 900 660 310 623 374 347 61 56 24000BTU 940 910 3...

Страница 5: ...Air Conditioner Service Manual 4 4 Refrigeration cycle diagram TIN1 PMV1 TIN2 TIN3 PMV2 PMV3 PMV4 TIN4 T2B1 T2B2 T2B3 T2B4 ST CONDENSER liquid storage pot T3 T4 TP HP COMPRESSOR Optional Evaporator...

Страница 6: ...ically Note If the air conditioner you purchased is a Cooling Only one but you preset the remote controller as Heat Pump it doesn t bring any matter But if the air conditioner you purchased is a Heat...

Страница 7: ...rror code 6 Condenser temperature protection When condenser temperature 65 and keep 10s the air conditioner will shut down and show error code and recover while condenser temperature 52 and the compre...

Страница 8: ...ess than 2 the controller will shut down compressor and show error code while the ambient temperature is over 1 the compressor will run automatically 3 Auto fan control in cooling mode In cooling mode...

Страница 9: ...onds and cut off for 30seconds later than compressor 5 Defrosting Defrosting is controlled by the microprocessor When the unit operate 30 minutes accumulated and the compressor operation more than 3 m...

Страница 10: ...efrosting indoor fan motor speed is the same as Cold Air Prevention Control While one of the following conditions is satisfied unit comes out of defrosting and shifts to heating mode a Outdoor coil Te...

Страница 11: ...unction 1 Pulling the air con s plug out of socket 2 Pressing and holding the Emergency button ON OFF on the indoor then insert the plug into the socket again 3 Keep pressing the Emergency button for...

Страница 12: ...door EEPROM fault EE 19 Temp switch fault on top of the compressor EP 8 Voltage sensor fault EU 12 Outlet temperature sensor A fault Ey 47 Outlet temperature sensor B fault 48 Inlet temperature sensor...

Страница 13: ...rotection 2 Over voltage lower voltage 3 Overcurrent 4 Exhaust over temperature protection 5 Outdoor coil over temperature protection 6 Drive fault and protection V1 VP1 7 Communication fault with ind...

Страница 14: ...Air Conditioner Service Manual 13 6 Wiring diagram INDOOR UNIT Wall split type Cassette Duct type...

Страница 15: ...Air Conditioner Service Manual 14 OUTDOOR UNIT ONE TO 2 TYPE ONE TO 3TYPE...

Страница 16: ...Air Conditioner Service Manual 15 ONE TO 4 TYPE...

Страница 17: ...Air Conditioner Service Manual 16 7 Explosion view and parts WALL SPLIT TYPE TACM 09HRIA EW TACM 12HRIA EW INDOOR UNIT 14 13 12 11 10 9 8 7 6 5 4 3 2 1 15 16 17 20 19 18 21 22 23 24 25 26 27 28 29...

Страница 18: ...play PCB 1 14 210738178C Front Panel 1 15 210737654 Electrical Box Cover 1 16 210736912 Cable Clamp 1 17 210900478A Terminal 1 18 210900333 Indoor Sensor Assembly 1 19 210901628 Main PCB 1 20 21073683...

Страница 19: ...CB 1 14 210738178C Front Panel 1 15 210737654 Electrical Box Cover 1 16 210900478A Terminal 1 17 210736912 Cable Clamp 1 18 210900333 Indoor Sensor Assembly 1 19 210901628A Main PCB 1 20 210736831 Ele...

Страница 20: ...Air Conditioner Service Manual 19 WALL SPLIT TYPE TACM 09HRIA E1 TACM 12HRIA E1 INDOOR UNIT 24 20 22 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 21 19 23...

Страница 21: ...705767 Display PCB Box 1 12 210901127S Display PCB 1 13 210754504 Front Panel 1 14 210737654 Electrical Box Cover 1 15 210736912 Cable Clamp 1 16 210900478A Terminal 1 17 210901628 Main PCB 1 18 21090...

Страница 22: ...705767 Display PCB Box 1 12 210901127S Display PCB 1 13 210754504 Front Panel 1 14 210737654 Electrical Box Cover 1 15 210736912 Cable Clamp 1 16 210900478A Terminal 1 17 210901628A Main PCB 1 18 2109...

Страница 23: ...Air Conditioner Service Manual 22 CASSETTE TYPE INDOOR UNIT...

Страница 24: ...orator 1 6 Capacitor of indoor motor 1 7 1170200061 Terminal 1 8 Drain pan 1 9 230701669 Panel 1 10 Vane 1 11 230904459 Display PCB 1 12 230904486 Swing motor 4 13 230901784A Inductor 1 14 230901484A...

Страница 25: ...1 6 Capacitor of indoor motor 1 7 1170200061 Terminal 1 8 Drain pan 1 9 230701669 Panel 1 10 Vane 1 11 230904459 Display PCB 1 12 230904486 Swing motor 4 13 230901784A Inductor 1 14 230901484A Indoor...

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

Страница 27: ...Vortex 2 11 230801048 Indoor fan 2 12 230700628 Up Vortex 2 13 230801117 Top plate 1 14 230800425A Left motor holder 1 15 230901635 Indoor motor 1 16 230800426A Right motor holder 1 17 230801115 Elect...

Страница 28: ...2 11 230801048 Indoor fan 2 12 230700628 Up Vortex 2 13 230801117 Top plate 1 14 230800425A Left motor holder 1 15 230901635 Indoor motor 1 16 230800426A Right motor holder 1 17 230801115 Electrical...

Страница 29: ...2 11 3070020001A Indoor fan 2 12 3070060020 Up Vortex 2 13 230801079 Top plate 1 14 230800425A Left motor holder 1 15 230901635 Indoor motor 1 16 230800426A Right motor holder 1 17 230801115 Electrica...

Страница 30: ...Air Conditioner Service Manual 29 OUTDOOR UNIT 10 11 12 8 9 7 6 5 17 13 14 16 15 19 18 20 21 23 4 3 2 1 22 24...

Страница 31: ...0252C Right plate 1 15 231202639 Two way valve 2 16 230802035 Valve supporter 1 17 3120120048 Three way valve 2 18 1070350971 Electrical box cover 1 19 230701494 Cable clamp 1 20 230901989A Terminal 1...

Страница 32: ...0252C Right plate 1 15 231202639 Two way valve 2 16 230802035 Valve supporter 1 17 3120120048 Three way valve 2 18 1070350971 Electrical box cover 1 19 230701494 Cable clamp 1 20 230901989A Terminal 1...

Страница 33: ...70101 Valve supporter 1 17 1120130039 Three way valve 2 3120120048 Three way valve 1 18 230700661 Electrical box cover 1 19 210735991 Cable clamp 1 230701493 Cable clamp 1 20 230901989A Terminal 1 117...

Страница 34: ...3560 Right plate 1 15 231202639 Two way valve 4 16 230803603 Valve supporter 1 17 3120120048 Three way valve 4 18 230700661 Electrical box cover 1 19 210735991 Cable clamp 1 230701493 Cable clamp 1 20...

Страница 35: ...ing in accordance with the wiring rules 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 substa...

Страница 36: ...t it is earthed in accordance with current legislation and insert a thermomagnetic circuit breaker The batteries in remote controller must be recycled or disposed of properly Disposal of Scrap Batteri...

Страница 37: ...children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person res...

Страница 38: ...2 Air filter 3 Special filter option 4 Display PCB 5 Vertical vane 6 Horizontal vane 7 Remote controller Outdoor unit No Name 8 Air outlet grille 9 Electronic box cover 10 2 way valve 11 3 way valve...

Страница 39: ...IGHTING ON Timer indicator Operation indicator PRE DEF indicator Pum p indicator INFRARED SIGNAL RECEIVER O Nwhen preset time fo r switching ON OFF the unit ONwhen the unit is power o n ON when the wa...

Страница 40: ...ioner Service Manual 39 Duct type 1 2 3 4 5 6 7 8 12 11 10 Outdoor Unit 9 10 12 11 6 7 8 5 9 Indoor Unit 13 13 DISPLAY Manual Sw itch Nixie tube Running light Timing light Defrosting preheat light war...

Страница 41: ...20g m A 5m 9K 5 0 20 15g m 12K 5 0 20 15g m 18K 5 0 20 20g m Connecting cables The power cord should be selected according to the following specifications sheet Appliance Amps Wire Size 5 AWG21 0 75 m...

Страница 42: ...ocation before hanging the unit if the opening on the ceiling has been decided Confirm sizes of the indoor unit and ceiling opening with the attached installation paper pattern Please fix the paper pa...

Страница 43: ...screw bolts Timber over thebeam Roof beam Hanging Screw Ceili ng B o lt For finished concrete bricks Install the hanging hook with expansible bolt into the concrete deep to 45 50mm to prevent loose Ne...

Страница 44: ...anvas air conduit may avoid vibration of ceiling board as shown in figure below 10 2 2Drilling a hole in the wall for the piping 1 Decide where to drill the hole in the wall for the piping if necessar...

Страница 45: ...int When extending the rolled pipe straighten the pipe by unwinding it gently as shown in the picture 10 2 6Connections to the indoor unit 1 Remove the indoor unit pipe cap check that there is no debr...

Страница 46: ...onnecting the pipe of outdoor unit Screw the flare nuts to the outdoor unit coupling with the same tightening procedures described for the indoor unit Note If the tightening torque is not sufficient t...

Страница 47: ...The structure of ODU PCB ONE TO 2 TYPE Motor Communication Filter circuit for heavy current Switch power supply LP HP Communication Communication Sensor circuit Expansion valve 4 way valve Compressor...

Страница 48: ...N6 2 if loose or not plugged in please connect again 2 Room temperature sensor IRT and Indoor pipe coil temperature sensor IPT damage short or broken Solution check the resistance of the sensor wall t...

Страница 49: ...The indoor motor connection terminal loose or not plugged in Solution Check the connecter of indoor motor and slot CN3 and CN4 if loose or not plugged in please connect again 2 The indoor motor damag...

Страница 50: ...e the outdoor PCB 11 3 4 Display E8 Reasons 1 Outdoor discharge pipe temp sensor connection terminal loose or not plugged in Solution Check the connecter of sensor and slot if loose or not plugged in...

Страница 51: ...tage is normal measure the voltage between the outdoor terminal 1 and N If the voltage change occurs between 0 12V change pulse voltage but there is no 24V please replace the outdoor PCB 4 If the 1 1A...

Страница 52: ...tdoor PCB drive circuit damage Solution Re energize and check the protection code on display Firstly display P0 1 If this code is displayed when the compressor is started for several seconds or even n...

Страница 53: ...ayed when the compressor is started for several seconds or even not started check the compressor connection for correctness if no insert wrong replace outdoor PCB 11 3 8 Display EU Reason Voltage sens...

Страница 54: ...eat exchange Check the refrigerant amount Check the installation condition Installation again P9 Use the remote operates the air conditioner Does compressor start up No Does the wire connects right No...

Страница 55: ...d wire on PWB Replace PWB Cooling mode Check compressor Modify compressor terminal marking Replace PWB Does compressor rotates Replace compressor Check indoor exchange sensor and discharge sensor Modi...

Страница 56: ...nk Check terminal L N voltage Yes OK No OK Check the rectifier bridge fast recovery diode FRD and IGBT Solve as E0 Check wire connected and replace indoor PCB Normal Abnormal Replace PFC board or outd...

Страница 57: ...765 14 27 567 4 219 31 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...

Страница 58: ...9 15 34 86 1 985 2 047 2 109 21 170 7 192 5 217 33 13 25 14 18 15 17 87 1 922 1 983 2 045 20 161 6 182 1 205 34 12 72 13 6 14 54 88 1 861 1 922 1 983 19 153 1 172 3 193 7 35 12 21 13 05 13 93 89 1 802...

Страница 59: ...117 0 7837 0 8233 0 8641 10 36 04 39 39 43 01 64 4 101 4 288 4 479 118 0 7623 0 8012 0 8413 11 34 42 37 59 41 65 3 961 4 139 4 32 119 0 7415 0 7798 0 8193 12 32 89 35 87 39 1 66 3 827 3 995 4 167 120...

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