Airwell HDL Service Manual
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Airwell HDL Service Manual

High wall conditioner
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Service Manual
HDL High Wall
AW-HDL018-N91/AW-YHDL018-H91
7SP023102/7SP062962
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.18.R32.SM.EN.06.03

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  • Page 1 Service Manual HDL High Wall AW-HDL018-N91/AW-YHDL018-H91 7SP023102/7SP062962 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.18.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 .............3 2.5 Noise Curve........................3 3.
  • Page 3 Service Manual 9. Maintenance ......................37 9.1 Error Code List .......................37 9.2 Procedure of Troubleshooting ..................44 9.3 Troubleshooting for Normal Malfunction.................57 10. Exploded View and Parts List ..............59 10.1 Indoor Unit........................59 10.2 Outdoor Unit .........................61 11. Removal Procedure ..................63 11.1 Removal Procedure of Indoor Unit ................65 11.2 Removal Procedure of Outdoor Unit ................65 Appendix:...

  • Page 4: Part Ⅰ : Technical Information

    Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit Outdoor Unit Remote controller RC08A Caution: Risk of fire/flammable material Technical Information...

  • Page 5: Specifications

    2. Specifications 2.1 Specification Sheet Service Manual Model AW-HDL018-N91 7SP023102 Product Code Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor (700-5200) Cooling Capacity(Min~Max) 4600 (700-5400) Heating Capacity(Min~Max) 5200 Cooling Power Input(Min~Max) 1430 Heating Power Input(Min~Max) 1400 Cooling Current Input Heating Current Input Rated Input...

  • Page 6: Operation Characteristic Curve

    Service Manual 2.2 Operation Characteristic Curve Cooling Heating Cooling Heating 220V Conditions 220V Indoor: DB27°C/WB19°C Outdoor: DB35°C/WB24°C Indoor air flow: High Pipe length: 5m 230V 230V Condition 240V Condition Indoor:DB 20°C Indoor:DB 27°C WB19°C Indoor air flow: Super High Conditions Indoor air flow: Super High Indoor: DB20°C/WB15°C Pipe length:5m...

  • Page 7: Cooling And Heating Data Sheet In Rated Frequency

    2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Inlet and outlet pipe Rated cooling Compressor connecting indoor and temperature of heat Fan speed of Fan speed of condition(°C) (DB/WB) Model revolution outdoor unit exchanger indoor unit outdoor unit (rps)
  • Page 8 18/24K 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 Φ55 Φ55 Unit:mm Unit:mm Model...

  • Page 10: Outdoor Unit

    3.2 Outdoor Unit AW-YHDL018-H91...

  • Page 11: Refrigerant System Diagram

    4. Refrigerant System Diagram AW-YHDL018-H91 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 Strainer Capillary Strainer COOLING HEATING Connection pipe specification: Liquid pipe:1/4" (6mm) Gas pipe:3/8"...

  • 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-YHDL018-H91 600007000884 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.

  • Page 14: Pcb Printed Diagram

    5.2 PCB Printed Diagram Indoor Unit AW-HDL018-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 Interface of health function live wire (only for the mode with this function) 7 Up&down swing interface 8 Feedback interface of indoor unit...
  • Page 15 Outdoor Unit AW-YHDL018-H91 Top view Name 1 Interface of compressor wire 2 Reactor 2 3 Reactor 1 Chassis electric heating (only for the mode with this function) 4-way valve Overload interface of compressor 7 Terminal of outdoor fan 8 Grounding wire 9 Communication wire 10 Neutral wire 11 Live wire...

  • 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 Service Manual 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 At least 15cm At least 15cm Space to the wall Drainage pipe...
  • Page 28 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 8.2 Installation Parts-checking 8.4 Requirements for electric connection 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 Connection pipe power supply circuit and air switch.

  • Page 30: Installation Of Indoor Unit

    Service Manual 8.5 Installation of Indoor Unit 4. Outlet pipe (1) The pipe can be led out in the direction of right, rear right, 1. Choosing Installation Iocation left or rear left.(As show in Fig.3) Recommend the installation location to the client and then (2) When selecting leading out the pipe from left or right, please confirm it with the client.
  • Page 31 (4) Put wiring cover back and then tighten the screw. Drain hose (5) Close the panel. Outlet pipe Note: (1) All wires of indoor unit and outdoor unit should be Tape connected by a professional. Drain hose Outlet Fig.9 pipe (2) If the length of power connection wire is insufficient, please Fig.8 contact the supplier for a new one.

  • Page 32: Installation Of Outdoor Unit

    4. Connect Indoor and Outdoor Pipes Outdoor Indoor Fig.17 (1) Remove the screw on the right handle of outdoor unit and Wall pipe Sealing gum then remove the handle.(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 (1) With leakage detector: The drain hos can't raise Check if there is leakage with leakage detector. upwards (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 and keep the soap water for more than 3min.

  • Page 34: Maintenance

    9. Maintenance 9.1 Error Code List Note:All models is except 18K Display Method of Indoor Unit Indicator Display (during blinking, Dual-8 Malfunction ON 0.5s and OFF 0.5s) A/C status Possible Causes Code Name Operation Cool Heating Display Indicator Indicator Indicator Possible reasons: During cooling and drying High...
  • Page 35 Display Method of Indoor Unit Indicator Display (during Dual-8 Malfunction blinking, ON 0.5s and OFF 0.5s) A/C status Possible Causes Code Name Operation Cool Heating Display Indicator Indicator Indicator 1. Loosening or bad contact of indoor ambient temp. sensor and Indoor During cooling and drying mainboard terminal.
  • Page 36 Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Decrease Overload or temperature is too high; frequency due All loads operate normally, while Refrigerant is insufficient;...
  • Page 37 Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Compressor intermediate Showing during middle cooling or frequence in middle heating test test state During cooling and drying Overcurrent...
  • Page 38 Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator 1. Bad contact of DC motor feedback terminal. Internal 2. Bad contact of DC motor Internal fan motor, external fan motor, motor (fan control end.
  • Page 39 Display Method of Indoor Unit Indicator Display (during Dual-8 Malfunction blinking, ON 0.5s and OFF 0.5s) A/C status Possible Causes Code Name Operation Cool Heating Display Indicator Indicator Indicator During cooling and drying Malfunction Theres circuit malfunction on outdoor operation, the compressor will of complete units control panel AP1, please stop while indoor fan will operate;...
  • Page 40 Analysis or processing of some of the malfunction display: 1. Compressor discharge protection Possible causes: shortage of refrigerant; blockage of air filter; poor ventilation or air flow short pass for condenser; the system has noncondensing gas (such as air, water etc.); blockage of capillary assy (including filter); leakage inside four-way valve causes incorrect operation;...

  • Page 41: 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 42 (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 43 (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 44 (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 45 (5) 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 46 Outdoor unit: (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Main Check Points: ●Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC~240VAC. ●Is the reactor (L) correctly connected? Is the connection loose or fallen? Is the reactor (L) damaged? Fault diagnosis process: Turn on the unit...
  • Page 47 (2) 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:...
  • Page 48 (3) High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is outdoor ambient temperature in normal range? ●Are the outdoor and indoor fans operating normally? ●Is the heat dissipation environment inside and outside the unit good? Fault diagnosis process: Overheat and high temperature protection...
  • Page 49 (4) Start-up failure (following AP1 for outdoor unit control board) Mainly detect: ●Whether the compressor wiring is connected correct? ●Is compressor broken? ●Is time for compressor stopping enough? Fault diagnosis process: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes? Does startup fail?
  • Page 50 (5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is the system pressure too high? ●Is the input voltage too low? Fault diagnosis process: Out of step occurs in Out of step occurs once the operation unit is powered on.
  • Page 51 (6) Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: ●Is the PMV connected well or not? Is PMV damaged? ●Is refrigerant leaked? Fault diagnosis process: 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the electronic expansion valve...
  • Page 52 (7) Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: ●Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? ●Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Fault diagnosis process: Start...
  • Page 53 (8) Malfunction of Overcurrent Protection 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 54: 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 55: 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 56: Removal Procedure

    11. Removal Procedure 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. Left filter Front Right filter...
  • Page 57 3.Remove electric box cover 2 and detecting plate WIFI 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 58: Removal Procedure Of Outdoor Unit

    11.2 Removal Procedure of Outdoor Unit AW-YHDL018-H91 Steps Procedure 1.Remove big handle Before disassamble． Remove the screws fixing handle、valve big handle cover and then remove them. valve cover 2. Remove top cover top cover Remove the screws fixing top panel and then remove the top panel.
  • Page 59 Step Procedure 3.Remove grille 、protective grille and front panel Remove connection screws between the front grille and the front panel. Then remove the front grille. Remove connection screws connecting the front protective panel with the chassis and the motor support, and grille then remove the front panel.
  • Page 60 Step Procedure 6.Remove motor and motor support Remove the screws fixing motor and then remove the motor. Remove the screws fixing motor support and then remove the motor support. motor support motor 7.Remove electric box assy Remove the screws fixing electric box assy; cut off electric box assy the tieline;...
  • Page 61 Step Procedure 9.Remove 4-way valve assy and capillary sub-assy Unsolder the welding joints connecting the 4-way valve assy with capillary sub-assy, compressor and condenser; remove the 4-way valve. 4-way valve assy Note: Before unsoldering the welding joint, wrap the 4-way valve with a wet cloth completely to avoid damage to the valve caused by high temperature.

  • Page 62: 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 （℉） （℉） （℉）...

  • Page 63: 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 64: 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 65 Service Manual 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...
  • Page 66 Service Manual 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...
  • Page 67 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-hdl018-n91Aw-yhdl018-h917sp0231027sp062962

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