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Technical Information

Service Manual

5.2 PCB Printed Diagram

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Top view

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Bottom view

Live wire interface

Neutral wire interface

Fuse

PG Motor

Auto button

Up and down swing terminal
interface

PG feedback

IDU and ODU communication

interface

Display terminal interface

Jumper

Ambient temp. sensor

Tube temp. sensor

● Indoor Unit

Models: ACZEM4C4R18 ACZEM4H4R18

Содержание ACZCI4C4R18

Страница 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Service Manual Model ACZEM4C4R18 ACZCI4C4R18 ACZEM4H4R18 ACZCI4H4R18 ACZEM4C4R24 ACZCI4C4R24 ACZEM4H4R24 ACZCI4H4R24 Refrigerant R410A...

Страница 2: ...Diagram 10 5 Electrical Part 11 5 1 Wiring Diagram 11 5 2 PCB Printed Diagram 14 6 Function and Control 17 6 1 Remote Controller Introduction 17 6 2 Brief Description of Modes and Functions 20 Part I...

Страница 3: ...Exploded Views and Parts List 61 10 1 Indoor Unit 61 10 2 Outdoor Unit 65 11 Removal Procedure 73 11 1 Removal Procedure of Indoor Unit 73 11 2 Removal Procedure of Outdoor Unit 83 Appendix 95 Appendi...

Страница 4: ...chnical Information Indoor Unit Outdoor Unit Remote Controller YX1FF ON OFF MODE FAN SWING SLEEP TIMER AUTO COOL DRY FAN HEAT T ON T OFF SWING SLEEP LOCK SPEED ACZEM4C4R18 ACZEM4H4R18 ACZEM4C4R24 ACZE...

Страница 5: ...door Unit Indoor Unit Model ACZEM4C4R18 ACZEM4H4R18 Indoor Unit Product Code CB162N08600_L17107 CB162N08000_L14385 Fan Type Cross flow Cross flow Fan Diameter Length DXL inch 3 6 7X28 3 6 7X28 Cooling...

Страница 6: ...LA A 0 37 0 37 Fan Motor Capacitor F Outdoor Unit Air Flow Volume CFM 1883 1883 Fan Type Axial flow Axial flow Fan Diameter inch 20 1 2 20 1 2 Defrosting Method Automatic Defrosting Climate Type T1 T1...

Страница 7: ...ZEM4C4R24 ACZEM4H4R24 Indoor Unit Product Code CB162N08500_L17107 CB162N07900_L14385 Fan Type Cross flow Cross flow Fan Diameter Length DXL inch 3 6 7X30 1 8 3 6 7X30 1 8 Cooling Speed S H M L r min 1...

Страница 8: ...LA A 0 37 0 37 Fan Motor Capacitor F Outdoor Unit Air Flow Volume CFM 1883 1883 Fan Type Axial flow Axial flow Fan Diameter inch 20 1 2 20 1 2 Defrosting Method Automatic Defrosting Climate Type T1 T1...

Страница 9: ...V Conditions Indoor DB 80F WB 67 F Outdoor DB 95F WB75F Indoor air flow Turbo Pipe length 24 6 ft Conditions Indoor DB 70F WB 60F Outdoor DB 47F WB 43F Indoor air flow Turbo Pipe length 24 6 ft 100 10...

Страница 10: ...nd outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor revolution rps Indoor Outdoor P MPa T1 F T2 F 70 60 47 43 ACZEM4H4R18...

Страница 11: ...Diagram 3 1 Indoor Unit Unit inch 2 1 2 9 3 1 2 3 6 7 2 5 9 2 1 6 2 3 4 2 3 4 5 3 7 27 1 3 27 7 2 3 7 2 7 W D H ACZEM4C4R18 ACZEM4H4R18 Model W H D ACZEM4C4R18 ACZEM4H4R18 37 11 2 3 8 ACZEM4C4R24 ACZ...

Страница 12: ...9 Technical Information Service Manual 3 2 Outdoor Unit 13 2 5 35 37 3 5 22 14 1 2 27 3 5 15 3 5 Unit inch...

Страница 13: ...4 Cooling only model Cooling and heating model Indoor unit Outdoor unit Indoor unit Outdoor unit COOLING HEATING Accumlator 4 Way valve Discharge Suction Discharge Suction Heat exchanger evaporator He...

Страница 14: ...olet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model Models ACZEM4C4R18 ACZEM4H4R18 DISPLAY RECEIVER AND DISPLAY BOARD AP1 DISP1 DISP2 R...

Страница 15: ...s running stopping or has been powered off for less than 3 minutes to prevent electric shock ROOM TEMP SENSOR TEMP SENSOR RT1 RT2 ROOM TUBE PRINTED CIRCUIT BOARD CABLE CONNECTING SWING UD2 BLOCK TERMI...

Страница 16: ...vent the risk of electric shock L1 U V W L5 L5 L5 MAGNETIC RING BK WH AP1 PRINTED CIRCUIT BOARD W V U COMP G L2 L1 G COMP W V U X1 COMP RD BU YE G RD YE BU YEGN L2 L2 L2 MAGNETIC RING WH BK RING MAGNE...

Страница 17: ...tom view 1 Live wire interface 2 Neutral wire interface 3 Fuse 4 PG Motor 5 Auto button 6 Up and down swing terminal interface 7 PG feedback 8 IDU and ODU communication interface 9 Display terminal in...

Страница 18: ...nd down swing terminal interface 4 Display terminal interface 5 Jumper cap 6 Ambient temp sensor 7 Tube temp sensor 8 IDU and ODU communication interface 9 Live wire interface 10 Fuse 11 Neutral wire...

Страница 19: ...at exchanger middle copper pipe temp sensor terminal 3 Compressor overload protection terminal 4 ODU temp sensor terminal 5 EXV terminal 6 Outdoor fan terminal 7 Four way valve terminal 8 Chassis elec...

Страница 20: ...ler Note When power is connected stand by condition you can operate the air conditioner through the remote controller When unit is on each time you press the button on remote controller the sending si...

Страница 21: ...ble 7 TIMER Button When unit is on press this button to set Timer Off T OFF and H icon will be blinking Within 5s press or button to adjust the time for Timer Off Pressing or button once will increase...

Страница 22: ...t The distance between signal sender and receiving window should be within 8m There should be no obstacle between them Signal may be interfered easily in the room where there is uorescent lamp or wire...

Страница 23: ...default set temperature is 77O F For cooling and heating model when Tamb 71 6O F the unit runs in heating mode in this case the factory default set temperature is 68O F For cooling only model when Ta...

Страница 24: ...n 4 Fan mode Fan conditions and process In this mode IDU fan motor runs at set speed while the compressor and ODU fan motor stop operation The 4 way valve is de energized cooling only unit is without...

Страница 25: ...point not including malfunction protection turning off the unit by remote controller or switching modes in which stopping operation of compressor is needed 5 In each mode once stopped the compressor w...

Страница 26: ...gree 4 Turbo function This function can be set in cooling or heating mode When turbo function is set the system will operate in the highest fan speed 5 X FAN function This function can be set in cooli...

Страница 27: ...ulsory defrosting function can be started up after malfunction or protection is resumed 2 Exit compulsory defrosting mode After compulsory defrosting is started up the complete unit will exit defrosti...

Страница 28: ...tion if Toutdoor pipe 131O F and the compressor has stopped for 3min the unit will resume previous running status In cooling and dry mode if Toutdoor pipe 131O F running frequency of compressor will b...

Страница 29: ...ensor malfunction detection indoor unit displays F1 F2 F3 F4 F5 in cooling heating dry or fan mode Malfunction of indoor ambient temperature sensor indoor unit displays F1 which means indoor ambient t...

Страница 30: ...the unit adequately grounded The grounding wire can t be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wi...

Страница 31: ...ng tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 T...

Страница 32: ...5 8 9 inch At least 5 8 9 inch Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S Space to the obstruction Drainage pipe Space to the wall Space to the obstruct...

Страница 33: ...or unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installat...

Страница 34: ...nce It must be properly grounding with specialized grounding device by a professional Please make sure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire i...

Страница 35: ...Fix the wall mounting frame on the wall with tapping screws ST4 2X25TA and then check if the frame is firmly installed by pulling the frame If the plastic expansion particle is loose please drill anot...

Страница 36: ...cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor pow...

Страница 37: ...oint into the hole on the chassis 2 Connect the drain hose into the drain vent As show in Fig 19 3 Fix Outdoor Unit 1 Place the outdoor unit on the support 2 Fix the foot holes of outdoor unit with bo...

Страница 38: ...etely It may cause insufficient cooling heating capacity The water outlet can t be placed in water 1 Use Vacuum Pump 1 Remove the valve caps on the liquid valve and gas valve and the nut of refrigeran...

Страница 39: ...t voltage of the trans former if it is incorrect change the transformer No power Check power supply circuit Fuse of controller burnt out The air condition er does not react after it is powered the buz...

Страница 40: ...t heat insulation for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumu...

Страница 41: ...too high Manostat is recommended Wrong wire connection Connect the circuit diagram correctly The built in heat protector of the motor breaks frequently because the motor is abnormal Replace the fan m...

Страница 42: ...sor Drainage pipe blocked or broken Change drainage pipe Re wrap and make it tight Wrap of refrigerant pipe joint is not close enough Water leakage Change controller Wire loose or wrong connection In...

Страница 43: ...orks Heating all will stop Please refer to troubleshooting 6 Anti high temp protection E8 Off 3s blink 8 times Cooling compressor will stop indoor fan motor works Heating all will stop Please refer to...

Страница 44: ...f higher than 265VAC please cut off the power supply and restart until back to normal 2 If input voltage is normal testing the voltage of electrolytic capacitor on AP1 after turn on the unit There may...

Страница 45: ...rd AP1 30 Module temp over high protection P8 Off 3s blink 19 times Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running To check whether the ambient Tem...

Страница 46: ...protection L3 Cooling outdoor fan motor compressor stop running indoor fan works Heating outdoor fan motor compressor indoor fan motor stop running 1 The wire terminal of outdoor fan motor is loosed...

Страница 47: ...est value under normal condition Test 1 Between A and C Neutralwire live wire 160V 265V Test 2 Between B and C Neutralwire live wire 160V 265V Test 3 Between D and E Electrolytic capacitor of DC bas b...

Страница 48: ...onding malfunction directly Some malfunctions will be displayed on the indoor unit directly and some malfunctions will be seen on the remote controller by pressing light button for 4 times in 3 second...

Страница 49: ...r tightly yes Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright yes Is malfunction eliminated Replace the mainboard with the same model End no no Is...

Страница 50: ...or tightly no no Stir the blade by hand to see whether the blade rotate s smoothly Reinstall the blade and motor correctly Is malfunction eliminated no no yes yes Turn on the unit again measure whethe...

Страница 51: ...minal of indoor fan It s the malfunction of main board Replace a new main board that is of the same model It s the malfunction of main board Replace a new main board that is of the same model Replace...

Страница 52: ...er cap inserted correctly and tightly Replace the jumper cap with the same model End yes yes Assemble the jumper cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tight...

Страница 53: ...No End Yes Yes Yes Yes Yes Yes Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Replace outdoor mainboard Replace indoor mainboard Communication...

Страница 54: ...e unit returns to normal Conclusion U8 is displayed due to instant energization afte de energization while the capacitor discharges slowly The zero cross detection circuit of the mainboard is defined...

Страница 55: ...e power and repair the power supply to restore the range 210VAC 250VAC N power on and restart the unit If the fault is eliminated Shut down the power and wait 20n muties or use DC voltmeter to measure...

Страница 56: ...f they are loosened If the connection sequence is correct Is voltage input in the normal range Test the voltage between L N of wiring board XT by DC voltage meter If coil resistance of compressor is n...

Страница 57: ...the control panel AP1 N N Y Y Y Please confirm 1 If the indoor and outdoor heat exchangers are dirty If they are obstructed by other objects which affect the heat exchange of indoor and outdoor unit...

Страница 58: ...f the indoor and outdoor fan work well De energize the unit and wait for 20min Replace the control board replace the outdoor control board in cooling mode replace the indoor control board in heating m...

Страница 59: ...f the compressor wire COMP UVW is well connected and connection sequence is correct Replace control board AP1 If the stop time of compressor is more than 3min N If the stop time is not enough and the...

Страница 60: ...ssor If the outdoor fan works normally If the stop time of compressor is more than 3min End Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Rep...

Страница 61: ...ing disgram Check if the expansion valve is blocked If the wiring terminal FA of electron expansion is well connected Remove malfunction Remove malfunction Check if the coil of electron expansion is i...

Страница 62: ...ication circuit of outdoor unit Problem of communication circuit Check if the controller connection wire inside indoor and outdoor electric box is loose Connection correct Connect wire of indoor and o...

Страница 63: ...in diagram with voltage meter Number jumping Number jumping Number jumping Number jumping Outdoor unit malfunction Test voltage value of Test 13 position in diagram with voltage meter Test voltage val...

Страница 64: ...iews and Parts List 10 1 Indoor Unit 1 2 3 4 7 6 5 8 10 11 12 13 35 36 37 14 15 16 17 18 19 20 21 22 23 25 27 29 30 31 32 33 34 28 9 24 26 ON OFF MODE FAN SWING SLEEP TIMER AUTO COOL DRY FAN HEAT T ON...

Страница 65: ...01002000028 01002000028 1 15 Wall Mounting Frame 01252218 01252218 1 16 Cross Flow Fan 10352019 10352019 1 17 Motor Press Plate 26112494 26112494 1 18 Fan Motor 1501214601 1501214601 1 19 Pipe Clamp...

Страница 66: ...anual 14 12 35 36 37 11 13 8 7 4 2 29 31 32 26 25 24 22 16 27 6 30 28 3 1 9 15 17 18 19 21 20 34 33 5 10 23 ON OFF MODE FAN SWING SLEEP TIMER AUTO COOL DRY FAN HEAT T ON T OFF SWING SLEEP LOCK SPEED M...

Страница 67: ...01252032 1 16 Motor Press Plate 26112316 26112316 1 17 Fan Motor 15012136 15012136 1 18 Connecting pipe clamp 26112188 26112188 1 19 Drainage Hose 0523001401 0523001401 1 20 Stepping Motor 1521300101...

Страница 68: ...65 Installation and Maintenance Service Manual 10 2 Outdoor Unit 24 8 7 6 5 4 3 2 1 16 9 15 14 13 12 11 10 23 20 18 30 25 29 28 27 26 21 19 17 22 31 Model ACZCI4C4R18...

Страница 69: ...12 Cut off Valve Sub Assy 07133204 1 13 Valve Cover 22245002 1 14 Right Side Plate 0130509403P 1 15 Retaining Plate 02115006P 1 16 Handle Assy 02113109 1 17 Wire Clamp 71010003 1 18 Temperature Senso...

Страница 70: ...67 Installation and Maintenance Service Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Model ACZCI4H4R18...

Страница 71: ...alve Assy 1 2 07133774 1 13 Cut off Valve Sub Assy 07133204 1 14 Right Side Plate 0130509403P 1 15 Valve Cover 22245002 1 16 Retaining Plate 02115006P 1 17 Handle Assy 02113109 1 18 Wiring Clamp 26115...

Страница 72: ...69 Installation and Maintenance Service Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 26 27 28 29 30 31 24 Model ACZCI4C4R24...

Страница 73: ...sy 0713317001 1 12 Right Side Plate 0130509403P 1 13 Valve Cover 22245002 1 14 Handle 26233053 1 15 Wiring Clamp 26115004 1 16 Rear Grill 01473043 1 17 Condenser Assy 01103000247 1 18 Reactor 43130025...

Страница 74: ...71 Installation and Maintenance Service Manual 12 10 9 8 7 6 5 4 3 2 1 13 14 16 17 20 18 19 22 23 24 25 26 27 29 28 21 30 31 11 15 32 Model ACZCI4H4R24...

Страница 75: ...03367P 1 12 Cut off Valve 07133157 2 13 Valve Support Sub Assy 01713098P 1 14 Right Side Plate 0130509403P 1 15 Valve Cover 22245002 1 16 Retaining Plate 02115006P 1 17 Handle Assy 02113109 1 18 4 Way...

Страница 76: ...uver a b Panel Clasp left filter and right filer Axile bush Open the panel Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them Push out the axile bu...

Страница 77: ...nel Panel rotation Groove 3 Remove panel 4 Remove electric box cover Front case sub assy finger guard grille Front case sub assy Left clasp Middle clasp Right clasp Screw caps Screws Remove the screws...

Страница 78: ...rent for different models 2 When pulling out the wiring terminal pay attention to loose the clasp and don t pull it so hard Wiring terminal of motor Vertical louver Loosen the connection clasps betwee...

Страница 79: ...ectric box assy and then remove the electric box assy Screws Screws Display Screws Connection pipe clamp Evaporator assy Screws Connection pipe 8 Remove evaporator assy At the back of the unit remove...

Страница 80: ...motor clamp Remove the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them Motor Screws Cross flow c Remove the bearing holder sub...

Страница 81: ...he left filter and right filer outwards to remove them panel rotation groove panel 2 Remove panel Open the front panel separate the panel rotation shaft from the groove fixing the front panel and then...

Страница 82: ...ntity of screws fixing the front case sub assy is different for different models Loosen the clasps at left middle and right sides of front case Life the front case sub assy upwards to remove it screw...

Страница 83: ...ction place between grounding wire and evaporator Pull out the wiring terminal of motor and wiring terminal of step motor from the mainboard Note 1 Location of tube temperature sensor and tieline on t...

Страница 84: ...assy evaporator c Adjust the position of connection pipe on evaporator slightly and then lift the evaporator upwards to remove it connection pipe Remove two screws fixing display Note The display of s...

Страница 85: ...otor clamp and then remove the motor clamp Remove the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them c Remove the bearing holde...

Страница 86: ...top cover Remove the screw connecting the big handle and right side plate and then remove the big handle Remove the screw connecting the valve cover and right side plate and then remove the valve cov...

Страница 87: ...lift the outer case upwards loosen the clasps of outer case with right side plate and left side plate and then remove the cabinet screw 4 Remove cabinet 5 Remove axial flow blade nut axial flow blade...

Страница 88: ...ew 2 Remove the screws 1 connecing the left side plate and right side plate and then remove rear grill Remove the screws 2 connecting the right side plate with the chassis the valve support and the el...

Страница 89: ...r support 10 Remove electric box assy electric box assy Remove the screws fixing electric box assy pull out each wiring terminal lift the electric box assy upwards to remove it Note When pulling out t...

Страница 90: ...mpressor damping cushion compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion Note Keep the ports of discharge pipe and...

Страница 91: ...the gas valve Remove two screws fixing the liquid valve then remove the liquid valve Screw off the screw fixing the valve support and then remove the valve support liquid valve gas valve bolts bolts c...

Страница 92: ...big handle separate from the groove of right side plate and then remove the big handle Remove the screws fixing top panel and then remove the top panel handle screws valve cover Procedure Steps screws...

Страница 93: ...rt and then remove the panel 5 Remove rear grill and right side plate screws2 screws2 right side plate screws2 screws1 rear grill Remove the screws 1 connecing the left side plate and right side plate...

Страница 94: ...enelectric box and the remove the left side plate assy 7 Remove axial flow blade 6 Remove left side palte Remove the nut fixing axial flow blade and then remove the axial flow blade nut axial flow bla...

Страница 95: ...lift the electric box assy upwards to remove it Note When pulling out the wiring terminal pay attention to loose the clasp and don t pull it so hard 9 Remove electric box assy Inhalation tube Discharg...

Страница 96: ...screws screws screws 12 Remove inhalation tube and discharge pipeand gas liquid separator valve support Remove 3 foot nuts on compressor and then remove the compressor Note Protect the ports of disch...

Страница 97: ...94 Installation and Maintenance Service Manual Procedure Steps screw screw condenser Remove one screw fixing the condenser then remove the condenser 15 Remove condenser...

Страница 98: ...re Fahrenheit Celsius 32 33 32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17...

Страница 99: ...teps A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent...

Страница 100: ...358 233 6 0 717 24 8 60 23 95 9 779 165 2 2 28 235 4 0 697 26 6 57 18 96 8 9 382 167 2 206 237 2 0 678 28 4 54 31 98 6 9 003 168 8 2 133 239 0 66 30 2 51 59 100 4 8 642 170 6 2 064 240 8 0 642 32 49 0...

Страница 101: ...95 13 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6...

Страница 102: ...342 8 77 49 19 147 2 10 54 217 4 3 04 8 6 323 9 78 8 47 08 149 10 18 219 2 2 955 10 4 306 2 80 6 45 07 150 8 9 827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165...

Страница 103: ...JF00302262...

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