Air-Con ACZCI4C4R12 Service Manual Download Page 1

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MODEL: ACZEM4H4R09/ACZCI4H4R09

ACZEM4C4R12/ACZCI4C4R12
ACZEM4H4R12/ACZCI4H4R12
(Refrigerant R410A)

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Service Manual

Summary of Contents for ACZCI4C4R12

Page 1: ...MODEL ACZEM4H4R09 ACZCI4H4R09 ACZEM4C4R12 ACZCI4C4R12 ACZEM4H4R12 ACZCI4H4R12 Refrigerant R410A GREE ELECTRIC APPLIANCES INC OF ZHUHAI Service Manual...

Page 2: ...9 5 Electrical Part 10 5 1 Wiring Diagram 10 5 2 PCB Printed Diagram 12 6 Function and Control 14 6 1 Remote Controller Introduction 14 6 2 Brief Description of Modes and Functions 17 Part Installatio...

Page 3: ...Exploded View and Parts List 56 10 1 Indoor Unit 56 10 2 Outdoor Unit 59 11 Removal Procedure 63 11 1 Removal Procedure of Indoor Unit 63 11 2 Removal Procedure of Outdoor Unit 68 Appendix 73 Appendix...

Page 4: ...1 Technical Information Service Manual 1 Summary Part Technical Information ACZEM4H4R09 ACZEM4C4R12 ACZEM4H4R12 Indoor Unit ACZCI4H4R09 ACZCI4C4R12 ACZCI4H4R12 Outdoor Unit Remote Controller YX1FF...

Page 5: ...ation Area m2 12 18 Indoor Unit Indoor Unit Model ACZEM4H4R09 Indoor Unit Product Code CB162N08200_L14385 Fan Type Cross flow Fan Diameter Length DXL inch 3 5 8X25 2 5 Cooling Speed SH H M L SL r min...

Page 6: ...25 Fan Motor Capacitor F 2 Outdoor Unit Air Flow Volume CFM 942 Fan Type Axial flow Fan Diameter inch 14 3 5 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP2...

Page 7: ...ACZEM4H4R12 Indoor Unit Product Code CB162N08700_L17107 CB162N08100_L14385 Fan Type Cross flow Cross flow Fan Diameter Length DXL inch 3 5 8X25 2 5 3 5 8X25 2 5 Cooling Speed SH H M L SL r min 1330 1...

Page 8: ...r Power Output W 21 21 Fan Motor RLA A 0 25 0 25 Fan Motor Capacitor F 2 2 Outdoor Unit Air Flow Volume CFM 942 942 Fan Type Axial flow Axial flow Fan Diameter inch 14 3 5 14 3 5 Defrosting Method Aut...

Page 9: ...w Super High Pipe length 24 6ft Outdoor temp F Indoor DB 70 F Indoor DB 80 F WB67 F WB60 F 90 95 100 105 110 115 Cooling Heating 15 0 13 5 12 0 10 5 9 0 7 5 6 0 4 5 3 0 1 5 0 15 0 13 5 12 0 10 5 9 0 7...

Page 10: ...let pipe temperature of condenser P Pressure at the side of big valve Connection pipe length 24 6ft 2 5 Noise Curve Cooling Heating Indoor side noise Outdoor side noise 60 60 60 80 100 50 50 40 40 40...

Page 11: ...al Information Service Manual 2 1 6 2 1 6 3 Outline Dimension Diagram 3 1 Indoor Unit 3 2 Outdoor Unit Unit inch 25 8 9 28 10 4 5 12 1 2 21 2 3 11 4 5 18 1 2 Unit inch 33 1 4 21 4 4 7 8 7 10 5 6 5 21...

Page 12: ...it Indoor unit Outdoor unit COOLING HEATING Accumlator 4 Way valve COOLING Discharge Suction Discharge Suction Heat exchanger evaporator Heat exchanger evaporator Heat exchanger condenser Valve Valve...

Page 13: ...Color Symbol Name WH White GN Green CAP Jumper cap YE Yellow BN Brown COMP Compressor RD Red BU Blue Grounding wire YEGN Yellow Green BK Black VT Violet OG Orange Note Jumper cap is used to determine...

Page 14: ...11 Technical Information Service Manual Outdoor Unit These wiring diagrams are subject to change without notice please refer to the one supplied with the unit ACZCI4C4R12 ACZCI4H4R09 ACZCI4H4R12...

Page 15: ...ew 1 Live wire interface 2 Fuse 3 Neutral wire interface 4 PG motor interface 5 Communication port of neutral wire and live wire 6 Auto button 7 Up down swing interface 8 PG feedback interface 9 Displ...

Page 16: ...m view 1 2 3 4 5 6 7 8 9 10 1 Compressor UVW three phases 2 Reactor interface 2 3 Reactor interface 1 4 Fan interface 5 4 way valve interface 6 Power supply neutral wire 7 Power supply neutral wire 8...

Page 17: ...n 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 signal icon on...

Page 18: ...con rm it T ON and H icon will stop blinking Cancel Timer On Off If Timer function is set up press TIMER button once to review the remaining time Within 5s press TIMER button again to cancel this fun...

Page 19: ...it 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 wir...

Page 20: ...the indoor fan will stop after 60 second blow at low speed If Tpreset 3 6 F T amb Tpreset 9 F the unit will maintain its original operating status Under this mode the four way valve is energized and t...

Page 21: ...modes 1 When Tamb 77 F the cooling mode is selected 2 For cooling only unit when Tamb 71 6 F the unit runs in fan mode 3 When 71 6 F Tindoor amb 77 F upon initial startup the unit will enter auto mod...

Page 22: ...equency Initial Setting Outline When starting the compressor or when conditions are varied due to the change of the room the frequency must be initialized accordingto the D value of the indoor unit an...

Page 23: ...within the Zones s t n e t n o c l o r t n o C e n o Z Stop zone When the temperature reaches the stop zone stop the compressor and correct abnormality Drooping zone Start the timer and the frequency...

Page 24: ...ns for Canceling Defrost The judgment must be made with heat exchanger temperature 39 F 72 F Reset zone Up zone Keep zone Drooping zone Stop zone Heat exchanger thermistor temperature Frequency 0Hz PI...

Page 25: ...2 Exit refrigerant recycling function After entering refrigerant recycling mode when receive any remote control signal or enter refrigerant recycling mode for 25min the unit will exit refrigerant rec...

Page 26: ...e 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 wire...

Page 27: ...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...

Page 28: ...tion Air outlet side Space to the wall Air inlet side 11 4 5 Above 78 3 5 Above 19 2 3 Above 11 4 5 Above 19 2 3 Abov e Space to the ceiling Space to the wall At least 98 3 7 Space to the wall S p a c...

Page 29: ...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...

Page 30: ...ectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which can t be used for other purposes 3 The grounding resistance should comply with nationa...

Page 31: ...X25TA and then check if the frame is firmly installed by pulling the frame If the plastic expansion particle is loose please drill another fixing hole nearby 3 Install Wall mounting Frame 1 Choose the...

Page 32: ...s show in Fig 11 8 Bind up Pipe 1 Bind up the connection pipe power 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 bi...

Page 33: ...t is higher than the wall hole you must set a U shaped curve in the pipe before pipe goes into the room in order to prevent rain from getting into the room As show in Fig 24 2 Install Drain Joint Only...

Page 34: ...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...

Page 35: ...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...

Page 36: ...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...

Page 37: ...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...

Page 38: ...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...

Page 39: ...rotection overload 5 Overcurrent protection E5 OFF 3S and blink 5 times OFF 1S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During he...

Page 40: ...Outdoor ambient temperature sensor is open short circuited F3 OFF 3S and blink 3 times OFF 1S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During h...

Page 41: ...wiring board XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacito...

Page 42: ...nction analysis of capacitor 29 Malfunction of module temperature sensor circuit P7 OFF 3S and blink 18 times During cooling and drying operation compressor will stop while indoor fan will operate Dur...

Page 43: ...control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit 38 Desynchro nizing of compressor H7 OFF 3S and blink 7 times During cooling and drying operat...

Page 44: ...ge is unstable 46 Malfunction of complete units current detection U5 OFF 3S and blink 13 times During cooling and drying operation the compressor will stop while indoor fan will operate During heating...

Page 45: ...or has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Operation Indicator Cool Indicator Heating Indicator Yellow Indicator Red Indicator Green Indicator 53 Normal communica tion 5...

Page 46: ...controller board will display the corresponding malfunction directly Some malfunctions will be displayed on the indoor unit directly and some malfunctions will be seen on the remote controller by pre...

Page 47: ...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...

Page 48: ...al of PG motor 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 me...

Page 49: ...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...

Page 50: ...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...

Page 51: ...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...

Page 52: ...COMP is well connected If 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 resi...

Page 53: ...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...

Page 54: ...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 mode If the radiating of outd...

Page 55: ...VW 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 high and low pressure of sys...

Page 56: ...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 Replace control board AP1 If the...

Page 57: ...blocked If the wiring terminal FA of electron expansion is well connected Remove malfunction Remove malfunction Check if the coil of electron expansion is installed on the valve normally End After th...

Page 58: ...nit 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 outdoor unit according to cir...

Page 59: ...Installation and Maintenance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit 6 1 2 3 7 14 15 17 18 19 20 21 22 23 24 25 26 32 34 35 36 37 30 27 28 29 16 5 4 9 8 13 10 11 12 33 31 38 39...

Page 60: ...ting Frame 01252021 1 18 Drainage Hose 0523001401 1 19 Fan Motor 1501208905 1 20 Connecting pipe clamp 26112164 1 21 Rubber Plug Water Tray 76712012 1 22 Cable Cross Plate 02122039 1 23 Stepping Motor...

Page 61: ...1 18 Drainage Hose 0523001401 0523001401 1 19 Fan Motor 1501208905 1501208905 1 20 Connecting pipe clamp 26112164 26112164 1 21 Rubber Plug Water Tray 76712012 76712012 1 22 Cable Cross Plate 02122039...

Page 62: ...59 Installation and Maintenance Service Manual 10 2 Outdoor Unit 20 19 16 11 14 13 12 8 7 5 4 3 2 1 22 24 25 26 9 10 6 17 23 21 18 15 ACZCI4C4R12...

Page 63: ...Compressor and Fittings 00103896G 1 9 Discharge Tube 03833586 1 10 Cut off Valve Assy 07133841 1 11 Cut off Valve Assy 07133960 1 12 Valve Support 01713089 1 13 Handle 26233044 1 14 Right Side Plate...

Page 64: ...61 Installation and Maintenance Service Manual 16 19 20 17 18 22 21 24 23 9 3 5 4 8 6 7 12 11 13 14 15 10 2 1 ACZCI4H4R09 ACZCI4H4R12...

Page 65: ...00183032 00183032 1 10 Electric Heater Compressor 76612814 76612814 0 11 4 Way Valve Assy 03073299 03073152 1 12 Top Cover Sub Assy 01253071 01253071 1 13 Right Side Plate Sub Assy 0130318001 01303180...

Page 66: ...ve horizontal louver 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...

Page 67: ...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...

Page 68: ...nd 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 the evaporator is different for diffe...

Page 69: ...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...

Page 70: ...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...

Page 71: ...after turning off all power supplies and discharge the refrigerant completely before removal 1 Remove the handle The stop valve cover has 6 hooks Loosen the screw of the Handle Pull down the handle an...

Page 72: ...n Front panel Axial flow fan Fan motor Lift the front panel and remove it while pushing the right side panel inwards Remove the 5 screws from the edge between right side board and condenser and from v...

Page 73: ...tion plate The partition plate is fixed to the bottom frame with a hook Remove the 4 tapping screws fixing the motor Pull out the lead out wire and remove the motor Remove the 2 tapping screws fixing...

Page 74: ...opened 4 Pull the sound blanket inner out Since the piping ports on the sound blanket are torn easily remove the blanket carefully Loosen the screw of the four way valve coil Provide a protective shee...

Page 75: ...pe and remove the gas valve Note it is necessary to warp the gas valve when soldering off the welding spot Remove the 2 screws fixing liquid valve Solder off the welding spot connecting liquid valve a...

Page 76: ...eit 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 86 87 86 3...

Page 77: ...ng steps 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 prev...

Page 78: ...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...

Page 79: ...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...

Page 80: ...6 3 13 6 8 342 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 96 10 4 306 2 80 6 45 07 150 8 9 83 221 2 87 12 2 289 6 82 4 43 16 152 6 9 49 222 8 2 79 14 274 84 2 41 34 154...

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