Airwell HDL Service Manual

Airwell HDL Service Manual

High wall conditioner
Hide thumbs Also See for HDL:

Advertisement

Service Manual
HDL High Wall
AW-HDL024-N91/AW-YHDL024-H91
7SP023103/7SP62963
R32
English Manual
IMPORTANT NOTE:
Read this manual carefully before installing or operating your new air conditioning unit. Make sure to
save this manual for future reference.
20.AW.HDL.24.R32.SM.EN.06.03

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the HDL and is the answer not in the manual?

Questions and answers

Summary of Contents for Airwell HDL

  • Page 1 Service Manual HDL High Wall AW-HDL024-N91/AW-YHDL024-H91 7SP023103/7SP62963 English Manual IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference. 20.AW.HDL.24.R32.SM.EN.06.03...
  • Page 2: Table Of Contents

    Service Manual Table of Contents Part Ⅰ : Technical Information ...............1 1. Summary ........................1 2. Specifications ......................2 2.1 Specification Sheet......................2 2.2 Operation Characteristic Curve ..................3 2.3 Capacity Variation Ratio According to Temperature ............3 2.4 Cooling and Heating Data Sheet in Rated Frequency .............4 2.5 Noise Curve........................5 3.
  • Page 3 Service Manual 9. Maintenance ......................37 9.1 Malfunction Display of Indoor Unit..................37 9.2 Procedure of Troubleshooting ..................39 9.3 Troubleshooting for Normal Malfunction.................58 10. Exploded View and Parts List ..............60 10.1 Indoor Unit........................61 10.2 Outdoor Unit ......................... 62 11. Removal Procedure ..................64 11.1 Removal Procedure of Indoor Unit ................64 11.2 Removal Procedure of Outdoor Unit ................69 Appendix:...
  • Page 4: Part Ⅰ : Technical Information

    Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit AW-HDL024-N91 Outdoor Unit AW-YHDL024-H91 Remote controller RC08A Caution: Risk of fire/flammable material Technical Information...
  • Page 5: Specifications

    2. Specifications 2.1 Specification Sheet Model of Outdoor Unit AW-HDL024-N91 7SP023103 Product Code of Outdoor Unit Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-B141ZF030A Compressor Oil 68DA Compressor Type Rotary L.R.A. Compressor RLA Compressor Power Input 1410 Overload Protector 1NT11L-6233/KSD115 C/HPC 115/95 Throttling Method...
  • Page 6: Operation Characteristic Curve

    Service Manual 2.2 Operation Characteristic Curve Cooling Heating 220V Conditions 220V Indoor: DB27°C/WB19°C Outdoor: DB35°C/WB24°C Indoor air flow: High Pipe length: 5m 230V 230V 240V Conditions Indoor: DB20°C/WB15°C 240V Outdoor: DB7°C/WB6°C Indoor air flow: High Pipe length: 5m 10 20 30 40 50 60 70 80 90 100 Compressor speed (rps) Compressor speed (rps) 2.3 Capacity Variation Ratio According to Temperature...
  • Page 7: Cooling And Heating Data Sheet In Rated Frequency

    Heating operation ambient temperature range is -22°C~24°C Cooling Heating Cooling Heating Conditions Conditions Conditions Indoor:DB20°C/WB15°C Indoor:DB27°C/WB19°C Indoor:DB20°C/WB15°C Indoor air flow:Super High Indoor air flow:Super High Indoor air flow:Super High Pipe length: 5m Pipe length: 5m Pipe length: 5m –15 –10 –5 Outdoor temp.( Outdoor temp.(°C)
  • Page 8: Noise Curve

    2.5 Noise Curve Indoor side noise when blowing Outdoor side noise when blowing Middle Super High High Compressor frequency(Hz) Indoor fan motor rotating speed...
  • Page 9: Outline Dimension Diagram

    3. Outline Dimension Diagram 3.1 Indoor Unit AW-HDL024-N91 Φ55 Φ55 Unit:mm Model...
  • Page 10: Outdoor Unit

    3.2 Outdoor Unit AW-YHDL024-H91...
  • Page 11: Refrigerant System Diagram

    4. Refrigerant System Diagram AW-YHDL024-H91 Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Electric Strainer expand valve COOLING HEATING Connection pipe specification: Liquid pipe:1/4"...
  • Page 12: Electrical Part

    5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ●...
  • Page 13 ● Outdoor Unit AW-YHDL024-H91 63610000218...
  • Page 14: Pcb Printed Diagram

    5.2 PCB Printed Diagram Indoor Unit AW-HDL024-N91 Top view Name Interface of communication wire for indoor unit and outdoor unit 2 Interface of live wire 3 Interface of neutral wire 4 Interface of fan 5 Jumper cap 6 Auto button 7 Up&down swing interface 8 Feedback interface of indoor unit (only for the mode with this function)
  • Page 15 Outdoor Unit AW-YHDL024-H91 Top view Name Compressor three phase input interface Interface of system high pressure protection Compressor overload protection interface 4 Interface of temperature sensor Interface of electronic expansion valve Interface of system low pressure protection 7 Interface of fan 8 4-way valve interface 9 2-way valve interface Interface of electric heating for...
  • Page 16: Function And Control

    6. Function and Control 6.1 Remote Controller Introduction of RC08A...
  • Page 17 PRECAUTIONS TEMPERATURE SETTING BUTTONS DISPLAY TRANSMITTER SENSOR - (cooler) Press this button to decrease the Information are displayed when the remote control unit is powered up. Air temperature sensor When you press the set temperature. Operation Mode inside the remote buttons of the remote + (warmer) Press this button to increase the Automatic...
  • Page 18 USIING THE REMOTE CONTROL UNIT OPERATION HOW TO INSTALL BATTERIES TEMPERATURE SENSOR SELECTOR Remove the lid in the rear part of the remote control unit. Under normal conditions the room temperature is detected and checked by the Insert two AAA alkaline batteries of 1,5 V-DC.Make sure to insert the batteries temperature sensor placed in the air conditioner.
  • Page 19 OPERATION OPERATION COOLING NOTE For several minutes after the start of heating operation, the indoor fan will not run until Verify that the unit is connected to the main the indoor heat exchanger coil has warmed up sufficiently. This is because the COLD power and the STANDBY lamp is lighted up.
  • Page 20 OPERATION OPERATION DEHUMIDIFYING (DRY) MANUAL If you want to manually adjust speed just set the FAN SPEED selector as desired. Each time the button is pressed, the fan speed is changed in sequence: 1. Set the MODE selector switch to “DRY” 2.
  • Page 21 OPERATION OPERATION SETTING THE TIMER In cooling mode or dehumidifying mode, 1 hour after the sleep curve is set, the setting temperature will rise by 1 degree C , 2 hours later, the setting temperature will rise by 2 degree C. After 3 hours, the setting temperature will not change any more. The timer can be selected by pressing TIMER ON button.
  • Page 22 OPERATION OPERATION C) HOW TO SET A PROGRAM FOR DAILY ON/OFF OPERATION Set vertical vanes to the front position during COOLING/DRY operation if humidity is high. 1. Press the TIMER OFF button to select the desired timer. If the vertical vanes are set to the left-most or right-most position, condensation may 2.
  • Page 23: Part Ⅱ : Installation And Maintenance

    Service Manual Part Ⅱ : 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.
  • Page 24 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 refrigerant circuit free from air or substances other than the specified refrigerant.
  • Page 25 Safety Operation of Flammable Refrigerant Qualification requirement for installation and maintenance man ●All the work men who are engaging in the refrigeration system should bear the valid certification awarded by the authoritative organization and the qualification for dealing with the refrigeration system recognized by this industry. If it needs other technician to maintain and repair the appliance, they should be supervised by the person who bears the qualification for using the flammable refrigerant.
  • Page 26 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. Vacuum pump 9.
  • Page 27: Installation

    8. Installation 8.1 Installation Dimension Diagram Space to the wall Space to the wall At least 15cm At least 15cm Drainage pipe...
  • Page 28 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 the support of outdoor unit Install wall-mounting (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...
  • Page 29: Installation Parts-Checking

    Service Manual 8.4 Requirements for electric connection 8.2 Installation Parts-checking 1. Safety Precaution Name Name (1) Must follow the electric safety regulations when installing Indoor unit Sealing gum the unit. Outdoor unit Wrapping tape (2) According to the local safety regulations, use qualified Support of outdoor power supply circuit and air switch.
  • Page 30 Service Manual screw fixing holes on the wall. 4. Outlet Pipe (2) Drill the screw fixing holes on the wall with impact drill (the (1) The pipe can be led out in the direction of right, rear right, specification of drill head should be the same as the plastic left or rear left.(As show in Fig.3) expansion particle) and then fill the plastic expansion particles (2) When selecting leading out the pipe from left or right, please...
  • Page 31 (4) Put wiring cover back and then tighten the screw. (5) Close the panel. Drain hose Outlet pipe Note: (1) All wires of indoor unit and outdoor unit should be connected by a professional. Tape Drain hose (2) If the length of power connection wire is insufficient, please Outlet Fig.9 pipe...
  • Page 32: Installation Of Outdoor Unit

    4. Connect Indoor and Outdoor Pipes Outdoor Indoor (1) Remove the screw on the handle and valve cover of outdoor Fig.17 Wall pipe Sealing gum unit and then remove the handle and valve cover.(As show in Fig.21) Upper hook (2) Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe.(As show in Fig.22) Liquid pipe Pipe joint...
  • Page 33: Vacuum Pumping And Leak Detection

    2. Leakage Detection The drain hos (1) With leakage detector: can't raise upwards Check if there is leakage with leakage detector. (2) With soap water: Wall If leakage detector is not available, please use soap water for leakage detection. Apply soap water at the suspected position Fig.25 and keep the soap water for more than 3min.
  • Page 34: Maintenance

    9. Maintenance 9.1 Malfunction Display of Indoor Unit 1. Malfunction display requirement When there are several malfunctions, they will be displayed circularly. 2. Malfunction display method (1) Hardware malfunction: immediate display; refer to “malfunction display table”; (2) Operation state: immediate display; refer to “malfunction display table”; (3) Other malfunctions: it is displayed after the compressor stops for 200s;...
  • Page 35 ●Discharging method (1) remove the inverter cover(Outdoor Unit) Inverter cover P.C.board (Soldered surface) (2)As shown below,connect the discharge resistance(approx.100Ω20W)or plug of the sold ering iron to voltage between + - terminals of the electrolytic capacitor on PC Board for 30s, and then peformedischarging. NOTE: A large-capacity electrolytic capacitor is used in the outdoor unit controller(inverter).Therefore,if the power supply is turned off,charge(charging voltage DC280V to 380V)remains and disc harging takes a lot of time..
  • Page 36: Procedure Of Troubleshooting

    9.2 Procedure of Troubleshooting Indoor unit (1) Malfunction of Temperature Sensor F1, F2 Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ●...
  • Page 37 (2) Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor Can't operate? ● The motor is broken? ●...
  • Page 38 (3) Malfunction of Protection of Jumper Cap C5 Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● The motor is broken? ● Detection circuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Appearance of the...
  • Page 39 (4) Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Turn power off for 1minute,the turn back on The unit returns to normal.
  • Page 40 (5) Communication malfunction (E6) Troubleshooting for E6 malfunction Disconnect power and check if the connection wire of indoor and outdoor units and the built-in wire of electric box are correctly connected. Connect the wire properly according Is malfunction Correct connection? to the wiring eliminated? diagram.
  • Page 41 (6) Malfunction of detecting plate(WIFI) JF Start check if the connection wire are correctly connected detecting Replace the plate with the same model Is malfunction eliminated Replace the mainboard with the same model The end...
  • Page 42 Outdoot Unit (1) Malfunction of Desynchronizing of Compressor (H7) Main check point: Whether the system pressure is too high? Whether the electronic expansion valve can work normally? Whether the radiation for the unit is in good condition? Malfunction diagnosis process: Desynchronizing malfunction occurs after de-energizing and turning on the unit...
  • Page 43 Desynchronizing malfunction occurs during operation process Check whether Whether the outdoor fan can Replace fan capacitor the fan terminal is operate normally? connected well Improve the radiation circumstances for the Whether the radiation for the unit (such as clean heat unit is in good condition? Replace outdoor fan exchanger, improve...
  • Page 44 (2) Malfunction of Temperature Sensor (F3/F4/F5) Main check point: Whether the temperature sensor is damaged? Whether the terminal of temperature sensor is loose or not connected? Whether the main board is damaged? Malfunction diagnosis process: Start the troubleshooting for temperature sensor Check the connection between temperature sensor and wiring terminal is loose or in poor connection...
  • Page 45 (3) Malfunction of Overload Protection of Compressor (H3) and Discharge High-temperature Protection of Compressor (E4) Main check point: Whether the electronic expansion valve is connected well and whether its damaged? Whether the refrigerant is leaking? Whether the overload protector is damaged? Malfunction diagnosis process: Start Whether the overload protector is...
  • Page 46 (4) Charging Malfunction of Capacitor (PU) Main check point: Whether input power is normal? Main board is damaged. Malfunction diagnosis process: Energize and turn on the unit; wait for 1 min Measure the voltage at both ends of big electrolytic capacitor with the DC notch of universal meter There is malfunction for the...
  • Page 47 (5) Malfunction of Overload Protection (E8) Main check point: Whether the tube temperature sensor is normal? Whether the outdoor ambient temperature is within the normal range? Whether indoor fan and outdoor fan can operate normally? Whether radiation environment inside or outside the unit is good? Malfunction diagnosis process: Start Replace the tube temperature...
  • Page 48 (6) Malfunction of IPM Protection (H5) Main check point: Whether input voltage is within the normal range? Whether wires of compressor are connected reliably, tightly or correctly? Whether the resistance of compressor coil is normal? Whether the insulation between compressor coil and copper pipe is in good condition? Whether the unit is overloading? Whether the radiation for the unit is in good condition? Whether the volume of charged refrigerant is proper?
  • Page 49 7.IPM protection, phase current overcurrent (the control board as below indicates the control board 2. IPM protection, phase current overcurrent (the control board as below indicates the control board of outdoor unit) H5/P5 of outdoor unit) H5/P5 Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit Troubleshooting: Turn on the unit...
  • Page 50 (8) Malfunction of Communication (E6) Main check point: Check whether connection wires between indoor unit and outdoor unit and wiring inside the unit are connected well? Check the main board of indoor unit or main board of outdoor unit is damaged? Malfunction diagnosis process: Communication malfunction De-energize the unit and then...
  • Page 51 (9) Malfunction of Failure Start-up of Compressor (LC) Main check point: Whether the compressor wires are connected correctly? Whether the stop time for compressor is enough? Whether compressor is damaged? Whether the refrigerant-charging volume is superfluous? Malfunction diagnosis process: Energize and turn on the unit Whether the stop time for compressor is more than 3min?
  • Page 52 (10) Malfunction of Overcurrent Protection E5 Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Normal fluctuation should be within 10 % Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate...
  • Page 53 (11) Troubleshooting for F0 malfunction Heat exchangers are Clean the heat exchangers and remove Malfunction is too dirty or the air inlet/outlet eliminated. blockage of air inlet/outlet. is blocked. Compressor doesn't work Malfunction is Make compressor run normally. normally. Strange noise or leakage occurs. eliminated.
  • Page 54 (12) Other Malfunction 1.IPM module temperature sensor is open-circuited (P7) Hardware of main board is damaged. Please replace main board. 2.Overheating protection of IPM module (P8) ① Poor radiation because the module radiator is dirty; ② IPM module is damaged; ③...
  • Page 55: Troubleshooting For Normal Malfunction

    9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor After energization, operation indicator isnt bright wait for power recovery.
  • Page 56: Indoor Unit

    4. ODU Fan Motor Can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly...
  • Page 57: Removal Procedure

    11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit 1.Remove fifter assy Front panel Open the front panel. Push the left and rightfilters to make them break away from thegroove on the front case. Then remove the leftand right filters one by one.
  • Page 58 4.Remove electric box cover 2 Remove the screws on the electric box cover 2 and detecting plate(WIFI), then remove the electric box cover 2 and detecting plate(WIFI). Electric box cover2 Screw Note:The position of detection Detecting plate(WIFI) Electric box cover board(WIFI) may be different for different models.
  • Page 59 Step Procedure 7.Remove vertical louver Loosen the connection clasps between vertical louver and bottom case to remove vertion louver. Swing motor Screw off the screws that are locking the swing motor and take the motor off. 8.Remove electric box assy Loosen the connection clasps between shield cover of electric box sub-assy and electric box,and then remove the shield...
  • Page 60 Step Procedure Rotate the electric box assy. Twist off the screws Rotate the electric box assy. Twist offthe that are locking the wire clip and loosen the Screws screwsthat are locking the wire clip and power cord. Remove the wiring terminal of loosen the power cord.
  • Page 61 Step Procedure Adjust the position of conncetion pipe on evaporator up wards to remove it. 10.Remove motor and cross flow blade Remove the screws fixing motor clamp and then remove the motor clamp. ① Remove the screws at the connection place of cross flow blade and motor;...
  • Page 62: Removal Procedure Of Outdoor Unit

    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. AW-YHDL024-H91 Steps Procedure 1. Remove top panel Twist off the screws used for fixing the handle and v alve cover , pull the handle and v alve cover up ward to remove it.
  • Page 63 Steps Procedure Remove the screws connecting the outer case with motor support, isolation plate and chassis; lift the outer case upwards; loosen the clasps of outer case with right side plate and left side plate, and then remove the outer case. outer case 3.
  • Page 64 Steps Procedure 4. Remove axial flow blade Remove the nut fixing axial flow blade and then remove the blade. axial flow fan motor support Remove the 6 screws fixing the motor and then remove the motor. Remove the 2 screws connecting the motor support and chassis, and then loosen the stopper to remove the motor support.
  • Page 65 Steps Procedure 6. Remove the soundproof sponge Tear off the sticking stripe and then remove the soundproof sponge. soundproof sponge 7. Remove isolation plate Remove the 2 screws connecting the isolation plate and condenser side plate; remove the 3 screws connecting the isolation plate and chassis, and then remove the isolation plate.
  • Page 66 Steps Procedure 9. Remove compressor 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 suction pipe from foreign objects. condenser sub-assy 10.
  • Page 67: Appendix

    Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius( Celsius( Celsius( temperature temperature temperature 60.8 69/70 69.8 78/79 78.8 62/63 62.6 71/72...
  • Page 68: Appendix 3: Pipe Expanding Method

    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 A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●...
  • Page 69: Appendix 4: List Of Resistance For Temperature Sensor

    Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor (15K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454...
  • Page 70 Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2 4.289 1.233...
  • Page 71 Resistance Table of Discharge Temperature Sensor for Outdoor (50K) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08 580.6 73.83...
  • Page 72 Consult with the sales agency or manufacturer for details. ATTENTION : Le design et les données techniques sont donnés à titre indicatif et peuvent être modifiés sans préavis. AIRWELL RESIDENTIAL SAS 10,Rue du Fort de Saint Cyr, 78180 Montigny le Bretonneux- France www.airwell.com...

This manual is also suitable for:

Aw-hdl024-n91Aw-yhdl024-h917sp0231037sp62963

Table of Contents