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Air Conditioner Service Manual

Inverter air conditioner

Service Manual

Models

TAC-12CHSA/JAI

TAC-18CHSA/JAI

TAC-24CHSA/JAI

CONTENTS

1. Important Notice
2.
3.

Product Dimensions

Refrigeration cycle diagram

Operation details

Wiring diagram

Explosion view and parts

Precaution

Names of parts

10.

Installation
Trouble shooting

Содержание TAC-12CHSA/JAI

Страница 1: ...anual Models TAC 12CHSA JAI TAC 18CHSA JAI TAC 24CHSA JAI CONTENTS 1 Important Notice 2 3 Product Dimensions 4 Refrigeration cycle diagram 5 Operation details 6 Wiring diagram 7 Explosion view and par...

Страница 2: ...e 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 modification...

Страница 3: ...anual 2 Product Dimensions Indoor Unit Outdoor Unit Model A B C D E F G H I J K 12K 710 240 180 700 552 256 439 2 302 277 8 48 55 18K 900 280 202 760 605 290 500 360 327 5 55 63 24K 1033 202 313 820 6...

Страница 4: ...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 Evapora...

Страница 5: ...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 Pump one and y...

Страница 6: ...for protection 6 Compressor driving protection When compressor start on or in the process of running if there is no feedback to controller or load of compressor is abnormity the air conditioner will s...

Страница 7: ...erature of outdoor unit is adapted by difference compressor running frequency While outdoor temperature is about 30 the compressor will run in high frequency If unit run in Cooling mode and outdoor te...

Страница 8: ...indoor room temperature 4 6 H EATING Mode Heat Pump only On the Heating mode the room temperature RT is compensated CRT 3 C the room temperature displayed on the LED is CRT RT 3 C The temperature comp...

Страница 9: ...into defrosting a When OPT 3 unit operate continuously for 40 minutes and OPT 6 keeps for 3 minutes or more b When OPT 3 unit operate continuously for 80 minutes and OPT 4 keeps for 3 minutes or more...

Страница 10: ...seconds When selecting COOLING DRY operation with SLEEP mode the set temperature will be raised by 1 after 1 hour later and by 2 2 hour later When selecting HEATING operation with SLEEP mode the set...

Страница 11: ...t sequence To insure the signal communication of indoor and outdoor unit any failure code relates to outdoor unit will remain display for 2 minutes maximum after it s recovered Among all the failure c...

Страница 12: ...r protection 5 Outdoor coil over temperature protection 6 Drive fault and protection V1 VP1 23 System in shortage of Freon 7 Communication fault with indoor unit 24 Model configuration wrong 8 Compres...

Страница 13: ...5 Wiring Diagram TAC 12CHSA JAI...

Страница 14: ...TAC 18CHSA JAI...

Страница 15: ...TAC 24CHSA JAI...

Страница 16: ...170120106 Power Supply Cord 1 14 1070321034AA Vane 1 15 1070110011 Drainage Hose 1 16 1070040006 Cable Clamp 1 17 210900240BB Main PCB 1 18 1070320113 Electrical Box 1 19 1170020011 Vane Motor 1 20 11...

Страница 17: ...13 211232688 4 way Valve Assembly 1 14 210800466 base 1 15 1120120021 Two way valve 1 16 1080050003 Valve supporter 1 17 211206766 Three way valve 1 18 1080050002 Right plate 1 19 1070350971 Electric...

Страница 18: ...93AA Display PCB Cover 1 15 1170120106 Power Supply Cord 1 16 1070450387AB Vane 1 17 1070110011 Drainage Hose 1 18 1070040003 Cable Clamp 8 1 19 1170020041A Vane Motor 1 20 1073010501 Sensor Holder 1...

Страница 19: ...13 211230555 4 way Valve Assembly 1 14 210800433A base 1 15 1120120021 Two way valve 1 16 1080050003 Valve supporter 1 17 211206766 Three way valve 1 18 1080050002 Right plate 1 19 1070350971 Electric...

Страница 20: ...nel 1 14 1070701068AA Display PCB Cover 1 15 210735994 Electrical Box Cover 1 16 1170120050 Power Supply Cord 1 17 1070701418 Vane A 1 18 1070701419 Vane B 1 19 1070110011 Drainage Hose 1 20 107004000...

Страница 21: ...e Assembly 1 14 210800571 base 1 15 1120120021 Two way valve 1 16 1081990055 Valve supporter 1 17 1120130032 Three way valve 1 18 1081990054 Right plate 1 19 1070350971 Electrical box cover 1 20 10700...

Страница 22: ...eparation in all poles that provide full disconnection under over voltage category III conditions and these means must be incorporated in the fixed wiring in accordance with the wiring rules The air c...

Страница 23: ...use the appliance with the air filter mounted The use of the conditioner without air filter could cause an excessive accumulation of dust or waste on the inner parts of the device with possible subseq...

Страница 24: ...all the appliance in environments where the air could contain gas oil or sulphur or near sources of heat This appliance is not intended for use by persons including children with reduced physical sens...

Страница 25: ...l 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 val...

Страница 26: ...on g 20g m A 5m 9K 3 5 15 20g m 12K 5 0 15 30g m 18K 5 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...

Страница 27: ...OOR UNIT Do not install the outdoor unit near sources of heat steam or flammable gas Do not install the unit in too windy or dusty places Do not install the unit where people often pass Select a place...

Страница 28: ...le 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 other...

Страница 29: ...not bend the pipe more than three times at one point When extending the rolled pipe straighten the pipe by unwinding it gently as shown in the picture 9 2 6Connections to the indoor unit 1 Remove the...

Страница 30: ...tening 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...

Страница 31: ...trol diagram 10 2 The structure of ODU PCB TAC 09CHSA JCI TAC 12CHSA JCI Indicator DC motor 4 way valve Compressor driving Expansion valve Sensor circuit AC motor Communication EEPROM PFC Rectifying f...

Страница 32: ...L Brown P00 P01 P5 1 P8 VAL Electric reactor PC monitor P10 3 W P10 2 V COMP Blue White Red To indoor unit Expansion valve Suction Temp sensor Out door coil Temp sensor Outdoor ambient Temp sensor COM...

Страница 33: ...P10 1 U P10 2 V COMP Red White Blue To indoor unit Expansion valve Suction Temp sensor Out door coil Temp sensor Outdoor ambient Temp sensor COMP top Temp protection Exhaust Temp sensor CN12 ORQ P13 L...

Страница 34: ...door fan motor or indoor main PCB fail Solution 1 Check the indoor fan blade lock or not if lock please readjust it 2 Check the indoor fan motor wire connected to the PCB CN3 CN4 if loose please conne...

Страница 35: ...rminal L2 and 1 If the voltage change occurs between 0 24V change pulse voltage please replace indoor main PCB 3 If the L1 L2 which connect to indoor unit voltage is normal measure the voltage between...

Страница 36: ...ction that affects the normal radiating of the air conditioner and installation again 5 If the above inspections are normal but the fault remains unsolved please replace the outdoor PCB Re energize an...

Страница 37: ...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 38: ...d wire on PWB Replace P WB Cooling mode Check compressor Modify compressor terminal marking Replace PWB Does compressor rotates Replace compressor Check indoor exchange sensor and discharge sensor Mod...

Страница 39: ...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 40: ...0 765 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...

Страница 41: ...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 1 862 1 923 18 1...

Страница 42: ...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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