Argo AFSI ECO 120HL1 Service Manual

Split type floor-standing air conditioner

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Split Type Floor-standing

Service Manual

INDOOR UNIT:

AFSI ECO 120HL1

AFSI ECO 120 HL NEW

Than k you for choosing an Argoclima air conditioner. Please read this manual carefully before using the unit and

retain it for future reference

Air Conditioner

OUTDOOR UNIT:

AFSI ECO 120SH

AFSI ECO 120SH3

V 02/24

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Summary of Contents for Argo AFSI ECO 120HL1

Page 1 Service Manual INDOOR UNIT: OUTDOOR UNIT: AFSI ECO 120SH AFSI ECO 120HL1 AFSI ECO 120SH3 AFSI ECO 120 HL NEW Than k you for choosing an Argoclima air conditioner. Please read this manual carefully before using the unit and retain it for future reference...
Page 2 Table of Contents Service Manual Part I : Technical Information ........1 1. Summary ................. 1 2. Specifications ............... 3 2.1 Specification Sheet ....................3 2.2 Capacity Variation Ratio According to Temperature ........7 2.3 Cooling and Heating Data Sheet in Rated Frequency .........8 3.
Page 3 Service Manual 8.3 Selection of Installation Location ..............52 8.4 Electric Connection Requirement ..............52 8.5 Installation of Indoor Unit ..................53 8.6 Installation of Outdoor Unit ................54 8.7 Vacuum Pumping and Leak Detection ............56 8.8 Check after Installation and Test Operation ..........56 9.
Page 4 1. Summary Service Manual Indoor Unit: AFSI ECO 120HL1 AFSI ECO 120HL NEW Outdoor Unit: AFSI ECO 120SH3 NEW AFSI ECO 120SH...
Page 5 Remote Controller: On/Off Wifi Health UD-swing Power LR-swing Timer Sleep Light...
Page 6 2. Specifications Service Manual 2.1 Specification Sheet...
Page 8 Service Manual Model GVH48ALXK-M6DNC7A Product Code CH156006500 Rated Voltage 380-415 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 12500 Heating Capacity 14500 Cooling Power Input 3790 Heating Power Input 3860 Cooling Power Current Heating Power Current Rated Input 5700 Rated Cooling Current Rated Heating Current...
Page 9 Outdoor Unit Model GVH48ALXK-M6DNC7A/O Outdoor Unit Product Code CH156W06500 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD. Compressor Model QXFS-D280zX070 Compressor Oil FW68DA(FW68L) Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 3200 Compressor Overload Protector Throttling Method Electron expansion valve Set Temperature Range ºC 16~30...
Page 10 Service Manual 2.2 Capacity Variation Ratio According to Temperature Cooling: Heating: Conditions Conditions Indoor: DB27°C/WB19°C Indoor: DB20°C/WB15°C Indoor air flow: High Indoor air flow: High Pipe length: 5m Pipe length: 5m -15 -10 -5 10 15 20 25 30 35 40 45 50 Outdoor Temp.
Page 11 2.3 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe connecting Inlet and outlet pipe temperature of Rated cooling condition(°C) (DB/WB) indoor and outdoor unit heat exchanger Fan speed of Fan speed of Model indoor unit outdoor unit Indoor Outdoor...
Page 12 3. Outline Dimension Diagram Service Manual 3.1 Indoor Unit Unit:mm Model 1770 48K(XH) 1882...
Page 13 Unit:mm Model 48K(XK) 1882...
Page 14 Service Manual 3.2 Outdoor Unit GVH24AMXF-K6DNC7A/O Unit:mm GVH48ALXH-K6DNC7A/O 1000 Unit:mm...
Page 15 GVH48ALXK-M6DNC7A/O 1020 Unit:mm...
Page 16 4. Refrigerant System Diagram COOLING Service Manual Heat pump model Heat pump model Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Accumlator Suction exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Electron Strainer Strainer expansion...
Page 17 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ●...
Page 18 Service Manual GVH48ALXH-K6DNC7A/I ROOM TUBE TEMP. TEMP. DC-MOTOR SENSOR SENSOR UP-DOWN LEFT-RIGHT YEGN STEPPING STEPPING Note: Motor ground MOTOR MOTOR only applies to the iron shell motor. θ θ MAGNETIC RING MAGNETIC RING SWING-UD SWING-LR DC-MOTOR T-SENSOR N(1) (COM-OUT) PRINTED CIRCUIT BOARD AC-L REACTOR TERMINAL...
Page 19 ● Outdoor Unit GVH24AMXF-K6DNC7A/O OPTIONAL OPTIONAL WARNING BOTTOM ELECTRONIC OUTTUBE OUTROOM EXHAUST BAND EXPANSION TEMP. TEMP. TEMP. Please don't touch any terminal when the HEATER VALVE SENSOR SENSOR SENSOR machine is running ,stopping or has been powered off for less than 30 minutes to prevent the risk of electric shock ! MAGNETIC RING N(1)
Page 20 Service Manual GVH48ALXK-M6DNC7A/O FILTER BOARD MAGNETIC REACTOR YEGN TERMINAL RING BLOCK POWER OUTTUBE OUTROOM EXHAUST CONDENSER TEMP. TEMP. TEMP. MENDIUM PIPE SENSOR SENSOR SENSOR TEMP.SENSOR TERMINAL θ θ θ θ MAGNETIC BLOCK RING N(1) T_SENSOR1 T_LAC AP2 MAIN BOARD MAGNETIC JUMP RING YEGN...
Page 21 5.2 PCB Printed Diagram ● Indoor Unit GVH24AMXF-K6DNC7A/I Name Name Needle stand of DC fan Needle stand of display board communication Earthing wire terminal Needle stand of up&down swing Copper pin terminal of live wire Needle stand of left&right swing Copper pin terminal of neutral wire Needle stand of temperature sensor Copper pin terminal of communication wire...
Page 22 Service Manual GVH48ALXH-K6DNC7A/I GVH48ALXK-M6DNC7A/I Name Name Interface of live wire Interface of earthing wire Connection needle stand of display Fuse board Interface of communication wire for Left & right swing interface outdoor unit Interface of netural wire Up & down swing interface Motor interface of indoor unit Needle stand of temperature sensor...
Page 23 ● Outdoor Unit GVH24AMXF-K6DNC7A/O Name Name Interface of DRED 4-way valve Terminal of electronic expansion valve 10 Electric heating belt of chassis E disk(Reserved) DC motor Computer monitoring interface 12 Interface of program debugs Grounding wire 13 Temperature sensor Live wire 14 Overload interface of compressor Neutral wire 15 Terminal of compressor...
Page 24 Service Manual GVH48ALXH-K6DNC7A/O Name Name Neutral Wire Insertion Temperature Sensor Needle Stand Earthing Wire Insertion Compressor Overload Needle Stand Live Wire Insertion Electronic Expansion Valve Needle Stand Communication Wire Insertion Electronic Expansion Valve Needle Stand Four-way Valve Needle Stand DRED Communication Needle Stand Chassis Electric Heating Belt Needle Stand EEP Flash Drive Needle Stand Two-way Valve Needle Stand...
Page 25 GVH48ALXK-M6DNC7A/O 11 12 Name Name Name Live wire L1 Neutral wire of communication Electric Expand Valve 2 Live wire L2 Live wire of communication Live wire L3 Wiring terminal of fan Neutral wire (N) 4-way valve Live wire L3-1 Jumper Compressor (U) Temperature Sensor Tube temperature sensor of...
Page 26 6. Function and Control Service Manual 6.1 Function Buttons of Air Conditioner Buttons Name and Function ON/OFF button MODE button FAN button FUNCTION button ON/OF F button MODE FUNC. Introduction for icons on display screen of air conditioner Ambient temperature Timer Operation or set temperature...
Page 27 Service Manual set only in heating mode). When timer or auxiliary heating icon upper limit temperature. is blinking, it means this function can be set. Press "▲" or "▼" 3.Upper temperature limit can be set only after the lower button to set function. If there’s no operation change within 5s temperature limit has been set;...
Page 28 Service Manual 6.2 Remote Controller Introduction of YAP1F4(WiFi) Notice: 1. This is a general use remote controller. It could be used for the air conditioner with multifunction. For the functions which the model doesn't have, if press the corresponding button on the remote controller, the unit will keep the original running status.
Page 29 1. ON/OFF button ● When selecting heating mode, the air conditioner operates under heat mode. Heat indicator " " on indoor unit is ON. Press this button to turn on the unit ,Press this bntton again to Press "▲" or " "...
Page 30 Service Manual the up&down swing function. Auto E-HEATER (no display) ● When the unit is turned off by remote controller, press "▲" E-HEATER OFF E-HEATER ON button and " " button can switch between single swing mode is displayed) is displayed) and fixed-angle swing mode.
Page 31 function reminder. If the unit is defrosting under heating mode, 1. Lift the cover along the direction of arrow (as shown in Fig 1①). it operates according to H1 defrosting mode. “H1” won’t be 2. Take out the original batteries (as shown in Fig 1②). displayed on the panel of indoor unit;...
Page 32 Service Manual 6.3 Remote Controller Introduction of YAP1F11 Buttons on remote controller ON/OFF button MODE button FAN button SAVE button COOL button HEAT button button button SLEEP button WiFi button X-FAN button button LIGHT button TIMER button Introduction for icons on display screen Set fan speed fan speed.
Page 33 energy-saving function. When energy-saving function is started up, "SE" will be shown on remote controller, and air conditioner When selecting auto mode, air conditioner will operate will adjust the set temperature automatically according to ex- automatically according to the sensed temperature. Set factory setting to reach to the best energy-saving effect.
Page 34 Service Manual 10. SLEEP button any one of indoor units enters into power limiting function, the outdoor unit will enter into the set limiting power mode of indoor Under COOL or HEAT mode, press this button to start up sleep unit;...
Page 35 Note: ● The auto clean function can only work under normal ambient temperature. If the room is dusty, clean it once a month; if not, clean it once every three months. After the auto clean function is turned on, you can leave the room. When auto clean is finished,the air conditioner will enter standby status.
Page 36 Service Manual 6.4 Remote Controller Introduction of YBE1FB8 Buttons on remote controller Quiet Set fan speed Turbo mode Send signal Auto mode Cool mode Dry mode Fan mode Heat mode Set temperature Indoor ambient temp. Power limiting operation TIMER ON / TIMER OFF Set time Left &...
Page 37 ● This mode indicator is not available for some models. to start health and air functions simultaneously; LCD displays " ● Cooling only unit won't receive heat mode signal. If setting heat " and " ". Press this button for the third time to quit health and air mode with remote controller, press "...
Page 38 Service Manual ● For the model with one outdoor unit and two indoor units, if any Otherwise, remote controller will exit the setting status automatically. one of indoor units enters into power limiting function, the outdoor Sleep button unit will enter into the set limiting power mode of indoor unit; when Under Cool or Heat mode, press this button to turn on Sleep two indoor units enter into power limiting mode, then the power of function.
Page 39 ● Under °F temperature display, the remote controller will display turned on, you can leave the room. When auto clean is finished, 46°F heating. the air conditioner will enter standby status. Child lock function ● This function is only available for some models. Night mode Hold "...
Page 40 Service Manual between them. ● Signal may be interfered easily in the room where there is fluorescent lamp or wireless telephone; remote controller should be close to indoor unit during operation. ● Replace new batteries of the same model when replacement is required.
Page 41 6.5 GREE+ App Operation Manual Control Flow Chart Internet Gree Cloud Gree Home Wi-Fi Cellular/ intelligent home Other Wi-FI appliances Home wireless router Home Wi-Fi GREE+ APP Operating Systems Requirement for User's smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version...
Page 42 Service Manual 6.6 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud Intelligent Home Wi-Fi Cellular/ home Other Wi-FI appliances Home wireless router Home Wi-Fi Operating Systems Requirement for User's smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version...
Page 43 6.7 Description of Each Control Operation Indoor Unit 2. Other control ● (1) Buzzer 1.Basic function of system Upon energization or availably operating the unit or remote controller, the buzzer will give out a beep. (1)Cooling mode (2) Auto button (1) Under this mode, fan and swing operates at setting status.
Page 44 Service Manual fan mode Tpreset=25℃ . 1. When user set the remote controller to display set temperature (corresponding remote control code: 01), current set temperature ◆ F o r c o o l i n g a n d h e a t i n g u n i t u n d e r c o n d i t i o n t h a t will be displayed.
Page 45 ③ When Tpreset-2℃＜ Tindoor ambient temperature ＜ Tpreset, determined according to the value sent by IDU to ODU; If unit operates according to the previous status. IDU does not control the compensation temperature, then Tcompensation will default to 3℃ by the ODU. Under cooling mode, 4-way valve is not energized.
Page 46 7. Notes for Installation and Maintenance Service Manual Safety Precautions: Important! be installed in the circuit. The air switch should be all-pole parting and the contact parting distance should be more than 3mm. Please read the safety precautions carefully before installa- tion and maintenance.
Page 47 Service Manual Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. WARNINGS 1. When installing or relocating the unit, be sure to keep the If compressor starts running when stop valve is open and refrigerant circuit free from air or substances other than the connection pipe is not yet connected, air will be sucked in and specified refrigerant.
Page 48 Service Manual Installation notes Safety Precautions for Refrigerant ●To realize the function of the air conditioner unit, a special ●The air conditioner is not allowed to use in a room that refrigerant circulates in the system. The used refrigerant is has running fire (such as fire source,working coal gas ware, the fluoride R32,which is specially cleaned.
Page 49 Service Manual a. Shut down the unit and cut power supply manner to avoid possibility of sparking; b. Eliminate the refrigerant – that no live electrical components and wiring are exposed c. Vacuuming while charging, recovering or purging the system; d.
Page 50 Service Manual of some types of leak detection equipment. Intrinsically safe valves on the equipment are closed off. components do not have to be isolated prior to working on k) Recovered refrigerant shall not be charged into another them. refrigeration system unless it has been cleaned and checked. ●...
Page 51 Service Manual Main Tools for Installation and Maintenance Level meter Measuring tape Screw driver Impact drill Drill head Electric drill Electroprobe Universal meter Inner hexagon Electronic Torque wrench Open-end wrench spanner leakage detector Vacuum pump Pressure meter Pipe pliers Pipe pliers Pipe cutter Pipe expander Pipe bender...
Page 52 8. Installation Service Manual 8.1 Installation Dimension Diagram 48K(XH) Away from wall (30cm at least for piping side) Away from obstacles Away from wall (30cm at least for piping side) Away from back side Drainage pipe Installation and Maintenance...
Page 53 Service Manual 48K(XK) Away from wall (30cm at least for piping side) Away from obstacles Away from wall (30cm at least for piping side) Away from back side Drainage pipe Installation and Maintenance...
Page 54 Service Manual Installation Procedures 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...
Page 55 Service Manual 8.2 Installation Parts-checking 1. Select a location where the noise and outflow air emitted by the outdoor unit will not affect neighborhood. Name 2. The location should be well ventilated and dry, in which the outdoor unit won't be exposed directly to sunlight or strong wind. Indoor unit 3.
Page 56 Service Manual 8.5 Installation of Indoor Unit screw 1. Choosing Installation Iocation Recommend the installation location to the client and then Pipe Pipe joint Union nut confirm it with the client. air-inlet panel 2. Open piping hole (1) Choose the position of piping hole according to the direction Fig.4 Fig.5 of outlet pipe.
Page 57 Service Manual drain hose connection pipe band power cable-cross connection hole wire Fig.11 indoor power cord (2) Remove the wire clip; connect the power connection wire to Fig.14 the wiring terminal according to the color; tighten the screw and then fix the power supply wire,power connection wire with wire Note: clip.(As show in Fig.12) (1) The power cord and control wire can't be crossed or...
Page 58 Service Manual (1) Remove the wire clip; connect the power connection wire to the wiring terminal according to the color; fix them with screws. (As show in Fig.21) 48K(XK) N(1) Drain vent Chassis yellow- blue black brown yellow- brown violet blue Drain hose green green...
Page 59 Service Manual 8.8 Check after Installation and Test The drain hose can't be fluctuant Operation 1. Check after Installation Check according to the following requirement after finishing installation. The drain The water hose can't outlet can't be fluctuant Items to be checked Possible malfunction The water outlet be placed...
Page 60 9. Maintenance Service Manual 9.1 Error Code List Error Malfunction name AC status Possible causes code 1. Jumper cap is not installed in control panel; 2. Poor contact of jumper cap; Malfunction of jumper cap The complete unit stops operation 3.
Page 61 Service Manual Error Malfunction name AC status Possible causes code 1. Temperature sensor is not well connected or damaged; Liquid valve temperature 2. The wire of temperature sensor is damaged, causing short sensor is ON / short- circuit to copper pipe or outer casing; circuited 3.
Page 62 Service Manual Error Malfunction name AC status Possible causes code Cool/Dry: compressor and outdoor 1. Temperature sensor is not connected well or damaged; Outdoor condenser fan stop operation, while indoor fan 2. Temperature sensor wire of outdoor unit is damaged; short temperature sensor is operates;...
Page 63 Service Manual Error Malfunction name AC status Possible causes code 1. Outdoor ambient temperature exceeds the operation range Cool: compressor and outdoor of unit (eg: less than-20 C or more than 60 C for cooling; more fan stops operation, while indoor than 30 C for heating);...
Page 64 Service Manual Error Malfunction name AC status Possible causes code Cool/Dry: compressor stops DC bus voltage drop operation, while indoor fan The power voltage is unstable. malfunction operates; Heat: all loads stops operation. Cool: compressor and outdoor fan stops operation, while indoor 1.
Page 65 Service Manual 9.2 Procedure of Troubleshooting 1. Troubleshooting for jumper cap Main check points: (1) jumper cap (2) control board of indoor unit Display shows “C5” Check whether the main Insert the equipped board of controller is inserted with jumper cap jumper cap.
Page 66 Service Manual 2. Communication malfunction Main check points: (1) Connection wire between indoor unit and outdoor unit (2) Wiring inside the unit (3) Communication circuit of control board of indoor unit (4) Communication circuit of control board of outdoor unit Start Check whether the unit has operated normally before...
Page 67 Service Manual 3. IPM protection , over-phase current of compressor Main check points: (1) compressor COMP terminal (2) power supply voltage (3) compressor (4) charging amount of refrigerant (5) air inlet and air outlet of indoor/outdoor unit NOTE:The control board as below means the control board of outdoor unit. Put through the power and turn on the unit...
Page 68 Service Manual 4. Overload protection of compressor , high discharge temperature, protection of compressor Main check points: (1) electronic expansion valve (2) expansion valve terminal (3) charging amount of refrigerant (4) overload protector NOTE:The control board as below means the control board of outdoor unit. After the unit has been cut off the power for more than 20mins...
Page 69 Service Manual 5.Troubleshooting for temperature sensor , , , , Main check points: (1) connection terminal (2) temperature sensor (3) main board Start Check whether the connection terminal between the temperature sensor and the control board is loose or not connected well.
Page 70 Service Manual 6.High temperature prevention protection ; high power ; system is abnormal Main check points: (1) outdoor temperature (2) fan (3)air inlet and air outlet of indoor/outdoor unit NOTE:The control board as below means the control board of outdoor unit. Overload protection, high temperature prevention protection...
Page 71 Service Manual 7.Desynchronization diagnosis for compressor Main check point: (1) system pressure (2) power supply voltage NOTE:The control board as below means the control board of outdoor unit. Desynchronization occurs Desynchronization occurs during operation after turning on the unit Check whether the fan Replace the fan Does the outdoor fan operate terminal OFAN is...
Page 72 Service Manual 8.Malfunction diagnosis for failure startup Main check points: (1) compressor wire (2) compressor (3) charging amount of refrigerant NOTE:The control board as below means the control board of outdoor unit. Put through the power and turn on the unit The time for stop operation is not enough and the system's high pressure and low pressure is Check whether the compressor...
Page 73 Service Manual 9. Charging malfunction of capacitor Main check points: (1) wiring board XT (2) reactor NOTE:The control board as below means the control board of outdoor unit. Put through the power to turn on the unit and then wait for 1min Measure the voltage at both ends of electrolytic capacitor with DC voltmeter.
Page 74 Service Manual 10. Troubleshooting-motor(indoor fan) doesn't operate Main check points: (1) connection terminal (2) motor (3) control board AP1 of indoor unit (4) blade 10.1 DC motor Display shows "H6" Pull the blade with hand under de-energization status Check whether the Adjust the motor and the blade blade operates smoothly to make the motor operate...
Page 75 Service Manual 10.2 PG motor Display shows "H6" Pull the blade with hand under de- energization status Adjust the motor and Check whether the blade to make the the blade operates blade operate smoothly smoothly. Eliminate malfunction Check whether Insert the feedback the feedback terminal of terminal again indoor fan's motor...
Page 76 Service Manual 11. AC overcurrent protection Start The normal fluctuation is about 10% of rated Eliminate malfunction The power voltage is unstable. voltage on the nameplate. The power voltage is too low and the Adjust the power voltage to make it normal. Eliminate malfunction load is too high.
Page 77 Service Manual 9.4 Troubleshooting for Normal Malfunction 1. Air Conditioner can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether it's due to power failure. If yes, No power supply, or poor connection After energization, operation indicator isn't bright wait for power recovery.
Page 78 Service Manual 4. ODU Fan Motor can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Wrong wire connection, or poor Check the wiring status according to circuit Connect wires according to wiring diagram to make connection diagram sure all wiring terminals are connected firmly Measure the capacity of fan capacitor with an Capacity of the ODU fan motor is universal meter and find that the capacity is out of...
Page 79 10. Exploded View and Parts List Service Manual 10.1 Indoor Unit GVH24AMXF-K6DNC7A/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
Page 80 Service Manual Description Description Baffle Plate Air Intake Panel Assy Left Side Plate Sub-Assy Filter Sub-Assy Top Cover Sub-Assy Temperature Sensor Rear Plate Sub-Assy Chassis Right Side Plate Sub-Assy Propeller HousingPress Plate Breakwater Sub-Assy Diversion Circle Evaporator Assy Propeller Housing Sub-assy Protection Cover Fan Motor Air Guard Sub-Assy...
Page 81 Service Manual GVH48ALXH-K6DNC7A/I 36 35 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
Page 82 Service Manual Description Description Right Side Plate Sub-Assy Terminal Board Rear Plate Sub-Assy Motor Cover Right Air Guard Stepping Motor Top Cover Sub-Assy Air Guide Bushing Left Air Guard Guide Blade Lever Left Side Plate Sub-Assy Stepping Motor Evaporator Assy Crank 1 Air Guard Assy Air Louver 1...
Page 83 Service Manual GVH48ALXK-M6DNC7A/I On/Off Wifi Health 36 35 UD-swing Power LR-swing Timer Sleep Light The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
Page 84 Service Manual Description Description Right Side Plate Sub-Assy Terminal Board Rear Plate Sub-Assy Motor Cover Right Air Guard SteppingMotor Top Cover Sub-Assy Air Guide Bushing Left Air Guard Guide Blade Lever Left Side Plate Sub-Assy SteppingMotor Evaporator Assy Crank 1 Air Guard Assy Air Louver 1 Chassis...
Page 85 Service Manual 10.2 Outdoor Unit GVH24AMXF-K6DNC7A/O 9 10 The component is only for rererence;please refer to the actual product Installation and Maintenance...
Page 86 Service Manual Description Description Front Grill 4-Way Valve Assy Front Panel Condenser Assy Axial Flow Fan Clapboard Assy Chassis Sub-assy Motor Support Compressor and Fittings Brushless DC Motor Electronic Expansion Valve Top Cover Assy Right Side Plate Left Side Plate Valve Support Condenser Left Border Plate Cut-off valve...
Page 87 Service Manual GVH48ALXH-K6DNC7A/O The component is only for rererence;please refer to the actual product Installation and Maintenance...
Page 88 Service Manual Description Description Front Grill Union Nut Cabinet Union Nut Axial Flow Fan Handle Brushless DC Motor Supporter Chassis Sub-assy Valve Support Block Drainage hole Cap Rear Grill Drainage Joint Electronic Expansion Valve assy Cushioned Nut Temperature Sensor Clap Board Assy Condenser Assy Compressor and Fittings Electric Box Cover...
Page 89 Service Manual GVH48ALXK-M6DNC7A/O The component is only for rererence;please refer to the actual product Installation and Maintenance...
Page 90 Service Manual Description Description Top cover Strainer Left Side Plate Strainer Handle Right Side Plate Reactor Handle Brushless DC Motor Electric Box Assy Chassis Sub-assy Main Board Axial Flow Fan Terminal Board Cabinet Terminal Board Front Grill Filter Board Pressure Protect Switch 4-way Valve Gas-liquid Separator Pressure Protect Switch...
Page 91 11. Removal Procedure Service Manual 11.1 Removal Procedure of Indoor Unit Caution: discharge the refrigerant completely before removal. Step Procedure 1.Outside view of indoor unit 2.Remove the front door plate sub-assy Front door plate sub-assy Take out the screw cover, use screwdriver to remove the screws at both side of air-in panel, push the front door plate upwards and then separate the connector connected to the connection wire of display and then...
Page 92 Service Manual Step Procedure 3. Remove air-in panel sub-assy screw air-in panel sub-assy Remove two screws on the air-in panel sub-assy. Open the air-in panel along the arrow direction and then remove the air-in panel sub-assy. 4.Remove filter sub-assy filter sub-assy Extend your hands into grooves at both sides, pull it outwards and then draw out 4 filters.
Page 93 Service Manual Step Procedure 5.Remove electric box and wire-passing groove sub- assy Remove the four screws fixing the electric box cover and then remove the electric box cover; disconnect the wiring terminal of each electronic components and then electric box assy remove related electronic components according to electric box cover your requirements;...
Page 94 Service Manual Step Procedure 7.Remove upper cover, horizontal louver, swing upper cover board screw horizontal louver swing board Remove 2 screws at the upper part of the upper cover and two screws at the back side of the air-outlet panel. After removing the air-guiding connecting robe, and then pull the horizontal louver outwards to remove it.
Page 95 Service Manual Step Procedure 10.Remove top cover screw top cover Remove 5 screws used for fixing the top cover, pull it upwards and then remove the top cover. 11.Remove evaporator screw screw Remove 4 screws used for fixing the top connection board and lower connection board of evaporator and 2 screws used for fixing the side plate, pull left and right side plates outwards slightly and take out evaporator,...
Page 96 Service Manual Step Procedure 12.Remove propeller housing, centrifugal blade and motor propeller housing Remove 3 screws used for fixing the press plate of propeller housing, and then take out the pressure plate of propeller housing. diversion loop Rotate the diversion loop to a certain position in the clockwise direction and then take out the diversion loop.
Page 97 Service Manual Step Procedure right side plate 14.Remove left and right side plates sub-assy sub-assy Remove screws on both plates, pull it to both sides respectively and then remove left and right side plates sub-assy. left side plate sub-assy Installation and Maintenance...
Page 98 Service Manual Caution: discharge the refrigerant 48K(XH) completely before removal. Step Procedure 1. Before disassemble 2. Remove filter sub-assy Filter sub-assy Air-in panel (1) Open the screw cover, use the screwdriver to remove 2 screws at both sides of air-in panel and then pull the air-in panel to remove it;...
Page 99 Service Manual Step Procedure Screws Air-outlet panel 4. Remove air-outlet panel Remove 3 screws at the top part of the air-out panel, 2 screw at the lower part and screws under the screw cover, push the air-output panel upwards slightly and then remove the air-output panel.
Page 100 Service Manual Step Procedure 7. Remove evaporator Evaporator Remove 3 screws on the evaporator, 2 screw at the middle part and 2 screws at the lower part. Pull left and right side plates outwards slightly and then take out the evaporator, baffle board and water tray.
Page 101 Service Manual Step Procedure 10. Remove chassis A f t e r 9 s c r e w s a r e r e m o v e d , p u l l t h e c h a s s i s downwards to remove it.
Page 102 Service Manual 48K(XK) Step Procedure 1. Before disassemble 2. Remove filter sub-assy Filter sub-assy Air-in panel (1) Open the screw cover, use the screwdriver to remove 2 screws at both sides of air-in panel and then pull the air-in panel to remove it; (2) Draw out the filter sub-assy.
Page 103 Service Manual Step Procedure Screws Air-outlet panel 4. Remove air-outlet panel Remove 3 screws at the top part of the air-out panel, 2 screw at the lower part and screws under the screw cover, push the air-output panel upwards slightly and then remove the air-output panel.
Page 104 Service Manual Step Procedure 7. Remove evaporator Evaporator Remove 3 screws on the evaporator, 2 screw at the middle part and 2 screws at the lower part. Pull left and right side plates outwards slightly and then take out the evaporator, baffle board and water tray.
Page 105 Service Manual Step Procedure 10. Remove chassis A f t e r 9 s c r e w s a r e r e m o v e d , p u l l t h e c h a s s i s downwards to remove it.
Page 106 11. Removal Procedure Service Manual 11.2 Removal Procedure of Outdoor Unit Caution: discharge the refrigerant completely before removal. Step Procedure 1. Before disassembly 2. Remove big handle and valve cover Big handle Remove the screws fixing big handle, valve cover and then remove them.
Page 107 Service Manual Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy with the chassis and the motor support, and then remove the front panel assy. Front panel assy 5. Remove right side plate assy Right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the...
Page 108 Service Manual Step Procedure 7. Remove motor support and motor Motor support Remove the screws fixing the motor support and lift the motor support to remove it. Motor Remove the screws fixing the motor and then remove the motor. 8. Remove electric box assy Electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard...
Page 109 Service Manual Step Procedure 10. Remove gas valve and liquid valve Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the welding joint connecting the gas valve and the liquid valve, remove them. Note: Liquid valve Discharge the refrigerant completely befor unsoldering;...
Page 110 Service Manual Caution: discharge the refrigerant 48K(XH) completely before removal. Note:The appearance of front grill is for reference only. Step Procedure 1. Before disassembly 2. Remove top cover top cover Remove the screws fixing top cover and then remove the top cover. 3.
Page 111 Service Manual Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy with the chassis and the motor support, and then remove the front panel assy. Front Panel Assy 5. Remove rear grill Remove the screws connecing the left side plate and right side plate and then remove rear grill.
Page 112 Service Manual Step Procedure 7. Remove valve suppprt Remove the valve support bolck, remove the screws fixing valve support, remove the screws fixing the liquid valve supprt valve and gas valve then remove the valve support. Valve Support Block 8. Remove gas valve and liquid valve Unsolder the welding joint connecting the gas valve and the liquid valve, remove them.
Page 113 Service Manual Step Procedure Electric Box Assy 10. Remove electric box assy Unplug the terminals, unscrew 1 screw that secures the electrical box assy, release the two snaps on the electrical box assy (in the clapboard and condenser angle), pull outwards, and remove the electrical box assy.
Page 114 Service Manual Step Procedure 13. Remove motor Remove the screws fixing the motor and then remove the motor. motor 14. Remove motor support Remove the screws fixing the motor support and lift the motor support to remove it. motor support 15.
Page 115 Service Manual 48K(XK) Step Procedure 1. Before disassembly 2. Remove big handle and valve cover Big handle Remove the screws fixing big handle, valve cover and Valve cover then remove them. 3. Remove top cover Top cover Remove the screws fixing top panel and then remove the top panel.
Page 116 Service Manual Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy with the chassis and the motor support, and then remove the front panel assy. Front panel assy 5. Remove right side plate assy Right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the...
Page 117 Service Manual Step Procedure 7. Remove motor support and motor Remove the screws fixing the motor support and lift the motor support to remove it. Remove the screws fixing the motor and then remove the motor. Motor Motor support 8. Remove electric box assy Electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard...
Page 118 Service Manual Step Procedure 10. Remove 4-way valve and electric expansion valve sub-Assy Unsolder the welding joints connecting the 4-way valve assy, remove the 4-way valve. 4-way valve Unsolder the spot weld of electric expansion valve sub- Assy and condenser, and then remove the electric expansion valve sub-Assy.
Page 119 Appendix: Service Manual Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius temperature（℉） temperature（℉） temperature（℉）（℉）（℃）（℉）（℃）...
Page 120 Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Improper pipe expanding is the main cause of refrigerant leakage.Please expand Pipe cutter the pipe according to the following steps: A:Cut the pip Leaning Uneven Burr ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●...
Page 121 Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units (15K) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.10 49.02 18.75 7.97 128.60 44.31 17.14 7.35 115.00 40.09 15.68 6.79 102.90...
Page 122 JF00305022 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 Tel: (+86-756) 8522219 Fax: (+86-756) 8669426 E-mail: global@cn.gree.com www.gree.com For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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