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Change for Life Service Manual Revision A & B Models: LIVS09HP115V1A LIVS12HP115V1A LIVS09HP115V1B LIVS12HP115V1B GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...
Service Manual Part : Technical Information 1. Summary Indoor Unit LIVS09HP115V1AH LIVS12HP115V1AH LIVS09HP115V1BH LIVS12HP115V1BH Outdoor Unit LIVS09HP115V1AO LIVS12HP115V1AO LIVS09HP115V1BO LIVS12HP115V1BO Remote Controller Technical Information...
Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Rated cooling Compressor connecting indoor and Model (rps) Indoor P (PSIG) in:46.4~51.8 in:167~181.4 80/66.9 95/- 130.44~144.93 in:46.4~51.8 in:167~181.4 80/66.9 95/- 130.44~144.93 Heating: Compressor connecting indoor and Model (rps) Indoor P (PSIG) in:167~181.4...
Service Manual 4. Refrigerant System Diagram Cooling unit Outdoor unit Indoor unit Gas pipe side Valve Di s charge Heat exchanger (evaporator) Suction Accumlator Compressor Heat exchanger Liquid pipe (condenser) side Valve Capillary Strainer Cooling and heating unit Outdoor unit Indoor unit Gas pipe side...
Service Manual 5. Electrical Part 5.1 Wiring Diagram Symbol Symbol Color Symbol Symbol Color Symbol Name Green Yellow Brown COMP Compressor YEGN Yellow/Green Violet Orange Technical Information...
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Service Manual LIVS09HP115V1AO LIVS12HP115V1AO Please don't touch any electronic component and terminal when the machine is running , stopping or has been powered off for less than 30 minutes to prevent electric shock ! N(1) ground NOTE: Motor only applies to the iron shell motor.
Service Manual 5.2 PCB Printed Diagram Indoor Unit Top view 2 Control interface of PG motor terminal 7 Wired controller 8 Interface of display Bottom view Technical Information...
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Service Manual Outdoor Unit Top view Name Name Name Name Terminal of sensor Externally connect Terminal of electric wire capacitor C3 Externally connect Terminal of DC fan motor capacitor C3 Externally connect Terminal of 4-way interface of compressor capacitor C4 Terminal of compressor Bottom view Technical Information...
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Introduction for icons on display screen Set fan speed I feel Send signal Operation mode Cool mode Dry mode Set time Heat mode Sleep mode Up & down swing Temp. display type :Set temp.
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Service Manual 1. ON/OFF button 2. MODE button AUTO COOL HEAT Note: (60.8~86.0 3. FAN button Auto Caution: 4. SWING button no display Note: 5. TURBO button button (33.8 Technical Information...
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Service Manual 7. SLEEP button 8. TEMP button no display r no di Note: 9. I FEEL button 10. LIGHT button 11. CLOCK button Note: 12. TIMER ON / TIMER OFF button Note: Technical Information...
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Service Manual Function introduction for combination buttons 1. Energy-saving function Note: 2. 8 heating function at 8 Note: TURBO 3. Child lock function 4. Temperature display switchover function Operation guide Replacement of batteries in remote controller signal sender battery reinstall are correct.
Service Manual 6.2 Brief Description of Modes and Functions Indoor Unit 1.Basic function of system (1)Cooling mode (2)Drying mode (3)Heating mode (4)Working method for AUTO mode: (5)Fan mode 2. Other control (1) Buzzer (2) Auto button (3) Auto fan (4) Sleep (5) Timer function: (6) Memory function (7) Health function...
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Service Manual (8)I feel control mode (9)Compulsory defrosting function (10)Refrigerant recovery function: (11)Ambient temperature display control mode displayed. (12)Off-peak energization function: (13) SE control mode (14) X-fan mode (15) 8º heating function (16) Turbo fan control function Technical Information...
Service Manual Outdoor Units 1. Input Parameter Compensation and Calibration (1) Check the ambient temperature compensation function Indoor ambient temperature compensation function. – compensation – compensation (2) Check effective judgment controls of parameters mode 40Hz, and T 2. Basic Functions (1) Cooling Mode 1.
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Service Manual 3. Special Functions Defrosting Control Conditions for starting defrosting 4. Control Logic (1) Compressor Control delay). 1. Cooling mode 2. Dehumidifying mode 3. Air-supplying mode 4. Heating mode (2) Defrosting: (2) Outer Fans Control Notes: (3) 4-way valve control (4) Evaporator frozen-preventing protection function Technical Information...
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Service Manual 1. Starting estimation: inner pipe 2. Frequency limited compressor. 3. Reducing frequency at normal speed: 4. Reducing frequency at high speed: inner pipe 5. Power turn-off: inner pipe <T inner pipe mode transferring will not clear it). (5) Overload protection function 1.
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Service Manual 1. Frequency limited inner pipe compressor. 2. Reducing frequency at normal speed and stopping machine: inner pipe 3. Reducing frequency at high speed and power turn-off: inner pipe 4. Power turn-off: inner pipe 1. Starting estimation: <T 2. Frequency limited compressor.
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Service Manual (6)Voltage sag protection (7)Communication fault (8)Module protection (9)Module overheating protection 1. Starting estimation: 2. Frequency limited 3. Reducing frequency at normal speed and power turn-off: 4. Reducing frequency at high speed and power turn-off: 5. Power turn-off: transferring also will not clear it). (10)Compressor overloads protection (11)Phase current overcurrent protection of compressor steps:...
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Service Manual (12) Starting-up Failure Protection for Compressor (13) Out-of-Step Protection for Compressor (14) Voltage Abnormity Protection for DC Bus 1.Over-High Voltage Protection for DC Bus: 2.Over-Low Voltage Protection for DC Bus: 3.To detect voltage abnormity protect for DC bus when getting electricity: (15)Abnormity Protection for Four-way Valve <(T Inner Ring...
Service Manual Part : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire Important! from the manufacture or distributor. Prohibit prolong the wire by yourself.
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Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8.
Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall Space to the wall At least 5 7/8 inch At least 5 7/8 inch Drainage pipe Installation and Maintenance...
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Service Manual Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install wall-mounting Install the support of outdoor unit (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...
Service Manual 8.2 Installation Parts-checking 8.4 Electric Connection Requirement Name Name 1. Safety Precaution Wrapping tape Connection pipe Drainage pipe frame Connecting cable(power cord) remote controller Wall pipe conditioner. Note: 8.3 Selection of Installation Location 1. Basic Requirement: 2. Grounding Requirement: 2.
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Service Manual 5. Connect the Pipe of Indoor Unit 3. Install Wall-mounting Frame Wall Wall Level meter Mark in the middle of it Space Space Open-end to the to the wrench wall wall above above Union nut 150mm 150mm Pipe Pipe joint Union nut Pipe...
Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe Screw Panel Wiring cover Indoor and outdoor power cord Indoor unit pipe Liquid pipe Band Drain hose Drain hose Connection pipe Band connection wire sleeve Indoor power cord Note: winding.
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Service Manual Note: 5. Connect Outdoor Electric Wire cable cross screws are needed. plate sub-assy N(1) 2 green white black white green (yellow- (blue) black (brown) (brown) (blue) (yellow- green) green) Indoor unit connection POWER Drain vent Chassis At least 1 1/6 inch Outdoor drain join t above the floor Drain hose...
Service Manual 2. Leakage Detection Note: 8.8 Check after Installation and Test Operation 1. Check after Installation The drain hose can't be fluctuant installation. The water outlet can't be placed The drain hose in water can't be fluctuant The water outlet can't be emit noise.
Service Manual 9. Maintenance 9.1 Error Code List Display of lamp (the times of blinking) Display of Name of malfunction Indoor Outdoor indoor unit Anti-freezing protection Block or Low pressure of refrigerant system Compressor exhaust high temperature protection AC over-current protection Communication failure between indoor unit and outdoor unit Anti-high temperature protection No feedback of indoor fan motor...
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Service Manual 9.2 Procedure of Troubleshooting Indoor unit (1) Malfunction of Temperature Sensor F1, F2 Main detection points: Start eliminated eliminated eliminated Installation and Maintenance...
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Service Manual (2) Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: Start eliminated eliminated and motor correctly eliminated control terminal for PG motor is Replace PG motor eliminated Installation and Maintenance...
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Service Manual (3) Malfunction of Protection of Jumper Cap C5 Main detection points: Start eliminated eliminated eliminated Installation and Maintenance...
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Service Manual (4) Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: Start U8 is still displayed Installation and Maintenance...
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Service Manual 4. Communication malfunction E6 Start Cut off power supply. Check if connection line of IDU and ODU and the wire inside electric box are correctly connected. Connect the line Correct connection? according to Malfunction eliminated? wiring diagram. Main board matches Match correctly with display board? Main board of Malfunction eliminated?
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Service Manual (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage Replace the control testing circuit on...
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Service Manual (2) IPM Protection, Out-of-step Fault, Compressor Phase Overcurrent (AP1 below refers to the outdoor control panel) Installation and Maintenance...
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Service Manual Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring machine has run for terminal L and N restore it to board XT is within a period of time?
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Service Manual (3) High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Overheat and high temperature protection Normal protection, please operate it after the outdoor ambient temp- Is outdoor ambient temperature higher than 53? erature is normalized.
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Service Manual (4) Start-up failure (following AP1 for outdoor unit control board) Mainly detect: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes? Does startup fail? Connect the wires as Are the wires for the compressor connected per the connection correctly? Is connection sequence right?
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Service Manual (5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Out of step occurs in Out of step occurs once the operation unit is powered on. Check if the fan terminal Is stop time of the Replace the fan Is the outdoor fan working...
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Service Manual (6) Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the electronic expansion valve wires correctly connected correctly? Resistances between the first four pins close to the terminal hole and the fifth...
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Service Manual (7) Power factor correct or (PFC) fault (a fault of outdoor unit) (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Start Check wiring of the reactor (L) of the outdoor unit and the PFC capacitor Replace it as per the Whether there is any...
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Service Manual (8) Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: Start Did the equipment operate normally before the failure occurs? Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of the indoor and outdoor Is the connection right? units...
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Service Manual (9) Malfunction of Overcurrent Protection Main detection points: Start eliminated eliminated eliminated eliminated model eliminated eliminated opened completely) eliminated Installation and Maintenance...
Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up connected well. Wrong wire connection between or poor connection for wiring terminals reliably correctly once improper Replace batteries for remote controller Repair or replace remote controller 2.
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Service Manual 4. ODU Fan Motor Can't Operate Connect wires according to wiring diagram to Wrong wire connection, or poor connection diagram damaged fan capacitor. is bad and ODU compressor generates a lot of 5. Compressor Can't Operate Connect wires according to wiring diagram to Wrong wire connection, or poor connection diagram...
Service Manual 11. Removal Procedure Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Steps Procedure case Location of step motor Panel Panel rotation Installation and Maintenance...
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Service Manual Steps Procedure Screw Screws Note: Screw caps models. Screw Clasp Display Screws Installation and Maintenance...
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Service Manual Steps Procedure Bottom case Vertical Vertical Clasps Screw Clasps Electric box Electric box assy sensor generator. Cold plasma sensor. generator Wiring stepping motor. terminal Screw of motor Wiring Water retaining terminal of stepping motor Screw Main board Power cord Screws box assy.
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Service Manual Steps Procedure Circlip Holder terminals. Connector terminal. Screws Connection pipe clamp Screw Bottom case Clasp Connection pipe Installation and Maintenance...
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Service Manual Steps Procedure Screws Motor clamp Screw Motor place of cross flow blade and motor; lift Holder Screws Step motor Installation and Maintenance...
Service Manual 11.2 Removal Procedure of Outdoor Unit Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. Steps Procedure 1.Remove cable cross plate sub-assy and valve cover cable cross plate sub-assy Remove the screws fixing cable cross plate...
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Service Manual Steps Procedure 4.Remove front panel front panel Remove connection screws connecting the front panel with the chassis and the motor support, and then remove the front panel. 5.Remove right side plate Remove connection screws connecting the right side plate right side plate with the valve support and the electric box.
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Service Manual Steps Procedure 7.Remove motor and motor support motor support tor Pull out the lead-out wire and remove themotor. Remove the 2 tapping screws re-move it. motor 8.Remove electric box assy electric box assy Remove the 2 screws fixing the cover of elec-tric box.
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Service Manual Steps Procedure 10.Remove 4-way valve assy 4-way valve assy Unscrew the fastening nut of the 4-way Valve Assy coil and remove the coil. Wrap the 4-way Valve Assy with wet cotton and unsolderthe 4 weld spots connecting the 4-way Valve Assy to take it out(Note: Refrig- erant shouldbe discharged firstly.) Welding processshould be as quickly as possible and...
Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: Leaning Uneven Burr Pipe Shaper Downwards Union pipe Pipe Hard mold Note: Expander Pipe...
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Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor(15K) Temp.( Temp.( Temp.( Temp.( -2.2 138.1 18.75 138.2 3.848 208.4 1.071 -0.4 128.6 69.8 17.93 3.711 210.2 1.039 121.6 71.6 17.14 141.8 3.579...
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Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp.( Temp.( Temp.( Temp.( -2.2 181.4 25.01 138.2 5.13 208.4 1.427 -0.4 171.4 69.8 23.9 4.948 210.2 1.386 162.1 71.6 22.85 141.8 4.773 1.346 153.3 73.4 21.85 143.6 4.605 213.8...