Airwell AWSI-HKD009-N11 Service Manual
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Airwell AWSI-HKD009-N11 Service Manual

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HKD Indoor Units
HND Indoor Units CBD Indoor Units XAD Indoor Units
AWSI-HKD009-N11 AWSI-HND009-N11
AWSI-HKD012-N11 AWSI-HND012-N11 AWSI-CBD012-N11 AWSI-XAD012-N11 AWSI-DCD012-N11 AWAU-YCZ327-H11
AWSI-HKD018-N11 AWSI-HND018-N11
REFRIGERANT
REFRIGERANT
REFRIGERANT
R410A
SM YCZ DCI 1-A.1 GB
Multi Splits Series
DCD Indoor Units
HEATPUMP
AUG 2014
Outdoor Units
AWAU-YCZ218-H11
AWAU-YCZ430-H11
AWAU-YCZ536-H11

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Summary of Contents for Airwell AWSI-HKD009-N11

  • Page 1 Multi Splits Series HKD Indoor Units HND Indoor Units CBD Indoor Units XAD Indoor Units DCD Indoor Units Outdoor Units AWSI-HKD009-N11 AWSI-HND009-N11 AWAU-YCZ218-H11 AWSI-HKD012-N11 AWSI-HND012-N11 AWSI-CBD012-N11 AWSI-XAD012-N11 AWSI-DCD012-N11 AWAU-YCZ327-H11 AWSI-HKD018-N11 AWSI-HND018-N11 AWAU-YCZ430-H11 AWAU-YCZ536-H11 REFRIGERANT REFRIGERANT REFRIGERANT R410A HEATPUMP SM YCZ DCI 1-A.1 GB...
  • Page 2 Contents Part 1 General Information ....................1 Part 2 Indoor Units ....................... 11 Part 3 Outdoor Units ......................53 Part 4 Installation ........................74 Part 5 Electrical Control System ..................85 ※The specifications, designs, and information in this book are subject to change without notice for product improvement.
  • Page 3 General Information Part 1 General Information 1. Model Lists ................2 2. External Appearance ............3 2.1 Indoor Units ................. 3 2.2 Outdoor Units ................3 3. Product specification ............4 General Information...

  • Page 4: Model Lists

    Model Lists 1. Model Lists 1.1 Indoor Units Cooling & Heating Indoor units type Indoor units model Capacity(Btu/h) Power supply 9000 220-240V 50Hz 1Ph AWSI-HKD009-N11 HKD indoor 12000 220-240V 50Hz 1Ph AWSI-HKD012-N11 18000 220-240V 50Hz 1Ph AWSI-HKD018-N11 9000 220-240V 50Hz 1Ph...

  • Page 5: External Appearance

    External Appearance 2. External Appearance 2.1 Indoor Units Four-way cassette(Compact) Duct Console 2.2 Outdoor Units General Information...

  • Page 6: Product Specification

    Product specification 3. Product specification Model Outdoor Unit AWAU-YCZ218-H11 Installation Method of Pipe 2 x AWSI-HND009-N11 2 x AWSI-HKD009-N11 Installation Method of Pipe Flared Flared Heating Heating Characteristics Units Cooling Cooling Average Average Capacity Pdesign SEER / SCOP Energy efficiency class...
  • Page 7 Product specification Model Outdoor Unit AWAU-YCZ327-H11 Installation Method of Pipe 3 x AWSI-HND009-N11 3 x AWSI-HKD009-N11 Installation Method of Pipe Flared Flared Heating Heating Characteristics Units Cooling Cooling Average Average Capacity Pdesign SEER / SCOP Energy efficiency class Annual energy consumption...
  • Page 8 Product specification AWAU-YCZ430-H11 Model Outdoor Unit 4 x AWSI-HND009-N11 Installation Method of Pipe 4 x AWSI-HKD009-N11 Flared Installation Method of Pipe Flared Heating Heating Characteristics Units Cooling Cooling Average Average Capacity Pdesign SEER / SCOP Energy efficiency class Annual energy consumption...
  • Page 9 Product specification AWAU-YCZ536-H11 Model Outdoor Unit 5 x AWSI-HND009-N11 Installation Method of Pipe 5 x AWSI-HKD009-N11 Flared Installation Method of Pipe Flared Heating Heating Characteristics Units Cooling Cooling Average Average Capacity 10.5 11.5 10.5 11.5 Pdesign 10.5 10.5 10.5 10.5...
  • Page 10 835x280x198 Net Weight Package dimensions LxWxH 830x270x355 910x270x355 Packaged weight 10.1 Operation control type Remote control Remote control Model Indoor Unit AWSI-HND018-N11 AWSI-HKD009-N11 Installation Method of Pipe Flared Flared Characteristics Units Cooling Heating Cooling Heating Capacity (4) 220-240 220-240 Power supply Fan type &...
  • Page 11 Product specification Model Indoor Unit AWSI-HKD012-N11 AWSI-HKD018-N11 Installation Method of Pipe Flared Flared Characteristics Units Cooling Heating Cooling Heating Capacity (4) 220-240 220-240 Power supply Fan type & quantity Crossflow x 1 Crossflow x 1 Cooling SH/H/M/L 1200 / 1050 / 800 1100 / 800 / 700 Fan speeds Heating...
  • Page 12 Product specification Model Indoor Unit AWSI-CBD012-N11 Installation Method of Pipe Flared Characteristics Units Cooling Heating Capacity (4) 220-240 Power supply Fan type & quantity Centrifugal fan x1 Cooling SH/H/M/L 830/720/660 Fan speeds Heating SH/H/M/L 830/720/660 Air flow (1) SH/H/M/L m3/hr 800/710/560 External static pressure Sound power level (2)

  • Page 13: Part 2 Indoor Units

    Indoor Units Part 2 Indoor Units HKD Type ................12 HND Type ................22 Light Commercial ..............33 Indoor Units...

  • Page 14: Hkd Type

    HKD Type HKD Type 1. Function ................13 2. Dimensions ..............14 3. Wiring Diagrams ............. 15 4. Exploded View and Spare Part list ........ 16 Indoor Units...

  • Page 15: Function

    Function 1. Function 2 ways of drainage Filter Killer Of Formaldehyde Louver Position Memory Function Ionizer(O) Refrigerant Leakage Detect Silver Ico Filter(O) Self-diag. Function Vitamin C Filter(O) ydrophilic Aluminum Fin 3M HAM Filter(O) PTC Heating Belt(O) Bio Filter(O) Golden Fin(O) 1W Standby O: optional function Indoor Units...

  • Page 16: Dimensions

    Dimensions 2. Dimensions Model AWSI-HKD009-N11 AWSI-HKD012-N11 AWSI-HKD018-N11 Dimension of installation Model L(mm) R(mm) H(mm) hole(mm) AWSI-HKD009-N11 ￠65 AWSI-HKD012-N11 AWSI-HKD018-N11 Indoor Units...

  • Page 17: Wiring Diagrams

    Wiring Diagrams 3. Wiring Diagrams AWSI-HKD009-N11, AWSI-HKD012-N11, AWSI-HKD018-N11 Indoor Units...

  • Page 18: Exploded View And Spare Part List

    Exploded View and Spare Part list 4. Exploded View and Spare Part list Exploded View of indoor unit: AWSI-HKD009-N11 Indoor Units...

  • Page 19: Awsi-Hkd009-N11

    Exploded View and Spare Part list Spare part list of indoor unit: AWSI-HKD009-N11 Part Name BOM Code Part Name BOM Code Panel assembly 2011325A5387 16.1 Louver motor 202400200031 Display box assembly 2033325A2367 Pipe clamp board 201119900949 Display board 2013330A0831 Installation plate...

  • Page 20: Awsi-Hkd012-N11

    Exploded View and Spare Part list Exploded View of indoor unit: AWSI-HKD012-N11 Indoor Units...
  • Page 21 Exploded View and Spare Part list Spare part list of indoor unit: AWSI-HKD012-N11 Part Name BOM Code Part Name BOM Code Panel assembly 2011325A5387 16.1 Louver motor 202400200031 Display box assembly 2033325A2367 Pipe clamp board 201119900949 Display board 2013330A0831 Installation plate 201232590037 assembly Cover...

  • Page 22: Awsi-Hkd018-N11

    Exploded View and Spare Part list Exploded View of indoor unit: AWSI-HKD018-N11 Indoor Units...
  • Page 23 Exploded View and Spare Part list Spare part list of indoor unit: AWSI-HKD018-N11 Part Name BOM Code Part Name BOM Code Panel assembly 2011327A4068 Chassis assembly 201132790680 Air filter 201132790664 16.1 Louver motor 202400200031 Display box assembly 2033325A2367 Pipe clamp board 201119900949 Display board...

  • Page 24: Hnd Type

    HND Type HND Type 1. Function ................23 2. Dimensions ..............24 3. Wiring Diagrams ............. 26 4. Exploded View and Spare Part list ........ 27 Indoor Units...

  • Page 25: Function

    Function 1. Function Ionizer(O) Silent mode(O) Horizontal &Vertical Swing Function(O) Plasma(O) Louver Position Memory Function Silver Ico Filter(O) Vitamin C Filter(O) Refrigerant Leakage Detect Self-diag. Function 3M HAM Filter(O) ydrophilic Aluminum Fin Bio Filter(O) Golden Fin(O) Filter Self Clean(O) Cold catalyst filter Follow Me(O) 1W Standby O: optional function...

  • Page 26: Dimensions

    Dimensions 2. Dimensions Model AWSI-HND009-N11 AWSI-HND012-N11 AWSI-HND018-N11 Indoor Units...
  • Page 27 Dimensions Dimension of installation Model L(mm) R(mm) H(mm) hole(mm) AWSI-HND009-N11 ￠65 AWSI-HND012-N11 Dimension of installation Model L(mm) R(mm) H(mm) hole(mm) ￠65 AWSI-HND018-N11 Indoor Units...

  • Page 28: Wiring Diagrams

    Wiring Diagrams 3. Wiring Diagrams AWSI-HND009-N11, AWSI-HND012-N11 AWSI-HND018-N11 Indoor Units...

  • Page 29: Exploded View And Spare Part List

    Exploded View and Spare Part list 4. Exploded View and Spare Part list Exploded View of indoor unit: AWSI-HND009-N11 Indoor Units...
  • Page 30 Exploded View and Spare Part list Spare part list of indoor unit: AWSI-HND009-N11 Part Name BOM Code Part Name BOM Code Panel assembly 2011323A3829 Chassis assembly 201132391058 Air filter 201132391052 16.1 Louver motor 202400200031 Display box assembly 2033323A2544 Pipe clamp board 201119900949 Display board...
  • Page 31 Exploded View and Spare Part list Exploded View of indoor unit: AWSI-HND012-N11 Indoor Units...
  • Page 32 Exploded View and Spare Part list Spare part list of indoor unit: AWSI-HND012-N11 Part Name BOM Code Part Name BOM Code Panel assembly 2011325A5384 Chassis assembly 201132590963 Air filter 201132590962 16.1 Louver motor 202400200031 Display box assembly 2033323A2544 Pipe clamp board 201119900949 Display board...
  • Page 33 Exploded View and Spare Part list Exploded View of indoor unit: AWSI-HND018-N11 Indoor Units...
  • Page 34 Exploded View and Spare Part list Spare part list of indoor unit: AWSI-HND018-N11 Part Name BOM Code Part Name BOM Code Panel assembly 2011328A2355 Bearing base 202719900606 Air filter 201132890670 Cross flow fan 201100200056 Display box assembly 2033327A0877 Chassis assembly 201132890703 Display board...

  • Page 35: Table Of Contents

    Light Commercial Light Commercial 1. Features ................34 2. Dimensions ..............40 3. Service Space(unit:mm) ..........42 4. Wiring Diagrams ............. 44 5. Exploded View and Spare Part list ........ 47 Indoor Units...

  • Page 36: Features

    Features Features 1.1 Four-way cassette type(compact) ⑴ New panel  360° surrounding air outlet design, affords comfortable feeling ⑵ Compact design  The body size is 570×260×570mm, it’s just smaller than the ceiling board, so it’s very easy for installation and will not damage the decoration. The panel size is 647×50×647mm. ...
  • Page 37 Features Fresh Dimension:Φ75mm ⑸ Air passage function  Reserves the space for air outlet from the side of indoor unit; It’s availed to connect air duct from the two sides to the nearby small rooms. Light Commercial...
  • Page 38 Features 1.2 A5 Duct ⑴ Installation accessories: (Optional)  Front Board, Canvas Air Passage, Filter, Panel, for easy installation Front Board Canvas Air Passage Filter Panel ⑵ Easy Installation: Two air inlet styles (Bottom side or Rear side)  Air inlet from rear is standard for all capacity; air inlet from bottom is optional. ...
  • Page 39 Features  Replace the motor or centrifugal fan Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily. Motor Blower Housing Ventilated Panel...
  • Page 40 Features ⑺ Built-in display board  The standard indoor unit can be controlled by wired controller.  There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even in the distance of 10m. The unit will realized remoter control. ...
  • Page 41 Features 1.3 Console (1) Consumes up to 30% less energy than non-inverter units ——DC inverter compressor ——indoor fan motor adopts DC motor (2) Achieves set temperature more quickly ——air supplying from top and bottom or from top only ——air inlet from four directions (3) Compact unit body, space saving ——this unit body is very thin and harmonious with room.

  • Page 42: Dimensions

    Dimensions Dimensions 2.1 Four-way cassette type(compact): 2.2 A5 Duct Indoor Units...
  • Page 43 Dimensions Size of outline dimension Outline dimension(mm) Air outlet opening size Air return opening size mounted plug Model AWSI-DCD012-N11 2.3 Console Light Commercial...

  • Page 44: Service Space(Unit:mm)

    Service Space(unit:mm) Service Space(unit:mm) 3.1 Four-way cassette(compact) 3.2 A5 Duct Ensure enough space required for installation and maintenance . All the indoor units reserve the hole to joint the fresh air pipe. The hole size as following: Indoor Units...
  • Page 45 Service Space(unit:mm) 3.3 Console Light Commercial...

  • Page 46: Wiring Diagrams

    Wiring Diagrams Wiring Diagrams AWSI-CBD012-N11 AWSI-DCD012-N11 Indoor Units...
  • Page 47 Wiring Diagrams AWSI-DCD012-N11 Light Commercial...
  • Page 48 Wiring Diagrams AWSI-XAD012-N11 Indoor Units...

  • Page 49: Exploded View And Spare Part List

    Exploded View and Spare Part list 5. Exploded View and Spare Part list Exploded View of indoor unit:AWSI-CBD012-N11 Light Commercial...
  • Page 50 Exploded View and Spare Part list Spare part list of indoor unit:AWSI-CBD012-N11 Part Name BOM Code Part Name BOM Code Panel 2011099A2555 Ventilation ring 201142390003 Display box assembly 203342090008 Centrifugal fan 201100100804 Horizontal louver 201109991797 Asynchronous motor 202400300052 Air filter P0000453127 Fan motor fixing base 201280490338...
  • Page 51 Exploded View and Spare Part list Exploded View of indoor unit: AWSI-DCD012-N11 Light Commercial...
  • Page 52 Exploded View and Spare Part list Spare part list of indoor unit: AWSI-DCD012-N11 Part Name BOM Code Part Name BOM Code Pipe temperature Chassis assembly 201285190007 202440500004 sensor assembly Up volute shell 201185190001 Water collector 202285190003 Right clapboard Centrifugal fan 201100100809 201270290089 assembly...
  • Page 53 Exploded View and Spare Part list Exploded View of indoor unit:AWSI-XAD012-N11 Light Commercial...
  • Page 54 Exploded View and Spare Part list Spare part list of indoor unit:AWSI-XAD012-N11 Part Name BOM Code Part Name BOM Code Main control board Panel assembly 2011440A0001 9.10 2013440A0029 assembly Fixing board Air filter 201144090002 9.11 201244090004 electronic control box Panel frame Auxiliary electric...

  • Page 55: Part 3 Outdoor Units

    Outdoor Units Part 3 Outdoor Units 1. Dimensions ..............54 2. Service Space ..............58 3. Refrigeration Cycle Diagram.......... 59 4. Wiring Diagrams ............. 61 5. Indoor units combination ..........63 6. Operation Limits .............. 64 7. Sound Levels ..............65 8.

  • Page 56: Dimensions

    Dimensions 1. Dimensions AWSI-XAD012-N11 200.7 D1 335 560 W1 D2 360 845 W Outdoor Units...
  • Page 57 Dimensions AWAU-YCZ327-H11 238.4 590 W1 D1 333 D2 355 900 W Outdoor Units...
  • Page 58 Dimensions AWAU-YCZ430-H11 238.4 590 W1 D1 333 D2 355 900 W Outdoor Units...
  • Page 59 Dimensions AWAU-YCZ536-H11 Outdoor Units...

  • Page 60: Service Space

    Service Space 2. Service Space (Wall or obstacle) More than 30cm Air inlet More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm Outdoor Units...

  • Page 61: Refrigeration Cycle Diagram

    Refrigeration Cycle Diagram 3. Refrigeration Cycle Diagram 3.1 Refrigeration cycle diagram of inverter 1 drive 2 type INDOOR OUTDOOR EXV A CAPILIARY A LIQUID VALVE A CHECK VALVE EXV B CAPILIARY B LIQUID VALVE B Condenser temp. sensor CAPILIARY TUBE HEAT HEAT EXCHANGE...

  • Page 62: Outdoor Units

    Refrigeration Cycle Diagram INDOOR OUTDOOR EXV A CAPILIARY A LIQUID VALVE A EXV B CAPILIARY B LIQUID VALVE B CHECK VALVE EXV C CAPILIARY C LIQUID VALVE C Condenser temp. sensor EXV D CAPILIARY D CAPILIARY TUBE LIQUID VALVE D HEAT HEAT EXCHANGE...

  • Page 63: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams AWAU-YCZ218-H11 AWAU-YCZ327-H11 Outdoor Units...
  • Page 64 Wiring Diagrams AWAU-YCZ430-H11 AWAU-YCZ536-H11 Outdoor Units...

  • Page 65: Indoor Units Combination

    Indoor units combination 5. Indoor units combination 5.1 Indoor unit combination for AWAU-YCZ218-H11 AWAU-YCZ218-H11 Two IDU 9+12 9+18 12+12 5.2 Indoor unit combination for AWAU-YCZ327-H11 AWAU-YCZ327-H11 Two IDU Three IDU 9+18 9+9+9 9+12+12 12+18 9+9+12 9+12+18 18+18 9+9+18 12+12+12 5.3 Indoor unit combination for AWAU-YCZ430-H11 AWAU-YCZ430-H11 Two IDU Three IDU...

  • Page 66: Operation Limits

    Operation Limits 6. Operation Limits Temperature Cooling operation Heating operation Mode ≤30℃ ≥17℃ Room temperature 0℃～50℃ -15℃～50℃ -15℃～24℃ Outdoor temperature (For the models with low temperature cooling system) CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally.

  • Page 67: Sound Levels

    Sound Levels 7. Sound Levels Note: H= 0.5 × height of outdoor unit Model Noise Power dB(A) Noise level dB(A) AWAU-YCZ218-H11 AWAU-YCZ327-H11 AWAU-YCZ430-H11 AWAU-YCZ536-H11 Outdoor Units...

  • Page 68: Exploded View And Spare Part List

    Exploded View and Spare Part list 8. Exploded View and Spare Part list Exploded View of outdoor unit: AWAU-YCZ218-H11 Outdoor Units...
  • Page 69 Exploded View and Spare Part list Spare part list of outdoor unit: AWAU-YCZ218-H11 Part Name BOM Code Part Name BOM Code Ambient temperature Partition board 202301310075 201257190118 sensor assembly assembly Electronic control box Rear net 2011481G0001 203357090061 assembly Cover of electronic Condenser assembly 201537990084 20.1...
  • Page 70 Exploded View and Spare Part list Exploded View of outdoor unit: AWAU-YCZ327-H11 Outdoor Units...
  • Page 71 Exploded View and Spare Part list Spare part list of outdoor unit: AWAU-YCZ327-H11 Part Name BOM Code Part Name BOM Code Ambient temperature 202301310075 20.5 Radiator 202301901173 sensor assembly Terminal board Rear net 2011482G0001 203357190096 assembly Condenser assembly 201557190037 21.1 Wire joint 202301450156 Pipe...
  • Page 72 Exploded View and Spare Part list Exploded View of outdoor unit: AWAU-YCZ430-H11 Outdoor Units...
  • Page 73 Exploded View and Spare Part list Spare part list of outdoor unit: AWAU-YCZ430-H11 Part Name BOM Code Part Name BOM Code Ambient temperature 202301310069 21.2 Terminal board 201257190120 sensor assembly Rear net 2011482G0001 Liquid valve assembly 201657190352 Condenser assembly 201557190037 22.1 Liquid valve 201600740091...
  • Page 74 Exploded View and Spare Part list Exploded View of outdoor unit: AWAU-YCZ536-H11 Outdoor Units...
  • Page 75 Exploded View and Spare Part list Spare part list of outdoor unit: AWAU-YCZ536-H11 Part Name BOM Code Part Name BOM Code Electronic installing Rear net 2011487G0001 21.7 201257190055 box assembly Ambient temperature Active PFC Module 202301310075 21.8 201319901145 sensor assembly Subassembly Condenser assembly 201557190043...

  • Page 76: Part 4 Installation

    Installation Part 4 Installation 1.Wrench torque sheet for installation ........... 75 2.Connecting the cables ................75 3.Pipe length and the elevation ............... 75 4 Installation for the first time ..............77 5 Adding the refrigerant after running the system for many years ..80 6 Re-installation while the indoor unit need to be repaired ....

  • Page 77: Wrench Torque Sheet For Installation

    Wrench torque sheet for installation Wrench torque sheet for installation Outside diameter Torque Additional tightening torque N.cm N.cm Ф6.35 1500(153kgf.cm) 1600(163kgf.cm) Ф9.52 2500(255kgf.cm) 2600(265kgf.cm) Ф12.7 3500(357kgf.cm) 3600(367kgf.cm) 2. Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Rated current of appliance Nominal cross-sectional area (mm²...
  • Page 78 Pipe length and the elevation Indoor unit Extension pipe diameter (mm/inch) Model Pipe diameter (mm/inch) Liquid 6.35(1/4) Liquid 6.35(1/4) 7K9K12K 9.52(3/8) 9.52(3/8) Liquid 6.35(1/4) Liquid 6.35(1/4) 12.7(1/2) 12.7(1/2) Outdoor unit union diameter (mm/inch) Liquid 6.35(1/4) Indoor unit A/B/C/D 9.52(3/8) Installation...

  • Page 79: Installation For The First Time

    Installation for the first time 4. Installation for the first time Air and moisture in the refrigerant system have undesirable effects as below: ● Pressure in the system rises. ● Operating current rises. ● Cooling or heating efficiency drops. ● Moisture in the refrigerant circuit may freeze and block capillary tubing. ●...
  • Page 80 Installation for the first time 7) Turn the flare nut of the 3-way valves about 45° counterclockwise for 6 or 7seconds after the gas coming out, then tighten the flare nut again. Make sure the pressure display in the pressure indicator is a little higher than the atmosphere pressure.
  • Page 81 Installation for the first time 7). Mount the valve stems nuts and the service port cap. Be sure to use a torque wrench to tighten the service port cap to a torque 18N· m. Be sure to check the gas leakage. 4.3.

  • Page 82: Adding The Refrigerant After Running The System For Many Years

    Adding the refrigerant after running the system for many years 5. Adding the refrigerant after running the system for many years Electronic scale Procedure: 1). Connect the charge hose to the 3-way service port, open the 2-way valve and the 3-way valve. Connect the charge hose to the valve at the bottom of the cylinder.

  • Page 83: Re-Installation While The Indoor Unit Need To Be Repaired

    Re-installation while the indoor unit need to be repaired 6. Re-installation while the indoor unit need to be repaired 6.1. Collecting the refrigerant into the outdoor unit Procedure 1). Confirm that both the 2-way and 3-way valves are set to the opened position Remove the valve stem caps and confirm that the valve stems are in the opened position.
  • Page 84 Re-installation while the indoor unit need to be repaired 6.2. Air purging by the refrigerant Procedure: 1). Confirm that both the 2-way and 3-way valves are set to the closed position. 2). Connect the charge set and a charging cylinder to the service port of the 3-way valve Leave the valve on the charging cylinder closed.

  • Page 85: Re-Installation While The Outdoor Unit Need To Be Repaired

    Re-installation while the outdoor unit need to be repaired Be sure to check the gas leakage. 7. Re-installation while the outdoor unit need to be repaired 7.1. Evacuation for the whole system Procedure: 1). Confirm that both the 2-way and 3-way valves are set to the opened position. 2).
  • Page 86 Re-installation while the outdoor unit need to be repaired 7.2. Refrigerant charging Procedure: 1). Connect the charge hose to the charging cylinder, open the 2-way valve and the 3-way valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder.

  • Page 87: Part 5 Electrical Control System

    Electrical Control System Part 5 Electrical Control System 1. Electrical Control Function ........... 86 2. Troubleshooting ............100 Electrical Control System...
  • Page 88 If the unit runs in heating mode, the indoor fan will be also controlled by anti-cold wind function. 1.2.5 Fan speed is out of control(Excluding AWSI-HKD009-N11) When indoor fan speed keeps too low for certain time, the unit will stop and the LED will display the failure.

  • Page 89: Operation Modes And Functions

    Electrical Control Function COOL_F6 ICOOLLMT2 COOL_F5 ICOOLLMT1 If the current frequency is lower than COOL_F4, the frequency will not be limited. After 10s of the compressor start, if the current>ICOOL, the AC will display the failure for 30 seconds and stop. The AC will restart 3 minutes later.
  • Page 90 Electrical Control Function High Medium For HKD,HND, Console 1.3.2 Cooling Mode 1.3.2.1 Compressor running rules The compressor will run at corresponding frequency according to the gross amendatory capacity demand. …… Frequency COOL_F0 COOL_F1 COOL_F2 COOL_F15 COOL_F16 …… Amendatory capacity demand. Meanwhile the maximum running frequency will be adjusted according to the outdoor ambient temp.
  • Page 91 Electrical Control Function DC_FAN_HI_SPD_ADD 28℃ 26℃ DC_FAN_MID_SPD_ADD 25℃ 23℃ DC_FAN_MIN_SPD_ADD 22℃ 20℃ DC_FAN_SLOW_SPD_ADD 19℃ 17℃ DC_FAN_SSLOW_SPD_ADD 1.3.2.3 Indoor fan running rules For Cassette、A5 In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and auto. The auto fan: High Medium...
  • Page 92 Electrical Control Function The auto fan acts as below rules: 1.3.2.4 Condenser temperature protection When T3>65℃ for 3 seconds, the compressor will stop while the indoor fan and outdoor fan will continue. When T3<52℃, the protection will release and the compressor will restart after 3 minutes. 1.3.2.5 Evaporator low temperature protection When T2B<0℃...
  • Page 93 Electrical Control Function DC_FAN_SSLOW_SPD_ADD 21℃ 19℃ DC_FAN_SLOW_SPD_ADD 18℃ 16℃ DC_FAN_MIN_SPD_ADD 15℃ 13℃ DC_FAN_MID_SPD_ADD 12℃ 10℃ DC_FAN_HI_SPD_ADD 1.3.3.3 Indoor fan running rules: For HKD,HND, Console In heating mode, indoor fan can be selected as high, medium, low, auto and silent. The anti-cold-wind function has the priority.
  • Page 94 Electrical Control Function For Cassette & Duct: When the compressor is on, the indoor fan can be set to high, medium, low and auto. And the anti-cold wind function has the priority. Auto fan action: 1.3.3.4 Prevent Over-Heating In heating mode, when the indoor unit has no capacity requirement due to indoor room temperature increased, the Indoor fan will run in super breeze.
  • Page 95 Electrical Control Function ----T3 rises to be higher than TCDE1℃. ----T3 keeps to be higher than TCDE2℃ for 80 seconds. ----The machine has run for 10 minutes in defrosting mode. Defrosting action： 4-Way valve no longer than 10min Compressor Cool-F9 TimeA 10S 30S Indoor fan...
  • Page 96 Electrical Control Function Low indoor room temperature protection All protections are active and the same as that in cooling mode. For other models: Indoor fan speed is fixed at breeze and can’t be changed. The louver angle is the same as in cooling mode. Low indoor room temperature protection In drying mode, if room temperature is lower than 10℃, the compressor will stop and not resume until room temperature exceeds 12℃.
  • Page 97 Electrical Control Function 1.3.10 Forced operation function 1.3.10.1 Enter forced operation function: Press the touch button continually, the AC will run as below sequence: Forced auto→Forced cooling→Off When the machine is off, pressing the touch button will carry the machine to forced auto mode, after this, if pressing the button once again, the machine will turn into forced cooling mode.
  • Page 98 Electrical Control Function from follow-me signal every 3 minutes. The PCB will take action to the mode change information from remote controller signal, and the follow-me function will be turned off. (if the wired remote controller does not initiate follow me function). When the unit is running with follow-me function, if the PCB doesn’t receive any signal from remote controller for 7 minutes or pressing FOLLOW ME button again, the follow-me function will be turned off automatically, and the temperature collection function of room temperature sensor will be available, the...
  • Page 99 Electrical Control Function function, it will display No. N with 1.5s, meanwhile the low bit decimal of digit display flashing, indicated to get into the check function display. After 1.5s, it will display the content corresponding to No. N. The digital display tube will display the follow procedure when push SW1 each time. Display Remark Normal display...
  • Page 100 Electrical Control Function EXV open angle for B indoor unit If the value is higher than 99, the digital display tube will show single digit and tens digit. EXV open angle for C indoor unit For example ,the digital display tube show “2.0”,it means the EXV open angle is 120×4=480p.) EXV open angle for D indoor unit EXV open angle for E indoor unit...
  • Page 101 Electrical Control Function Capacity area Norm value (N) 1.3.12. 4 Number of indoor unit Display Number of indoor unit 1.3.12. 5 Opening degree of electronic expansion valve: Actual opening degree equals the display data times 4 Electrical Control System...
  • Page 102 Troubleshooting 2. Troubleshooting 2.1 Display board 2.1.1 Icon explanation on indoor display board (HKD& HND). ION indication lamp(optional function)：This lamp illuminates when Clean Air feature is activated. DEFROST indication lamp(For cooling & heating models only): Lights up when the air conditioner starts defrosting automatically or when the warm air...
  • Page 103 Troubleshooting 2.1.3 Icon explanation on indoor display board (Compact cassette). Infrared signal receiver Temporary button Operation temp. Timer indicator Alarm indicator PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type) 2.1.4 Icon explanation on indoor display board (Console) Infrared signal receiver Operation temp.
  • Page 104 Troubleshooting 2.2 Indoor unit malfunction For HKD,HND Display Operation lamp flash times Timer lamp Failure Indoor EEPROM malfunction Indoor / outdoor units communication error Indoor fan speed has been out of control Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Open or short circuit of T4 temperature sensor Open or short circuit of T3 temperature sensor...
  • Page 105 Troubleshooting For Console: Malfunction Running lamp Timer lamp Defrosting lamp ☆ Open or short circuit of T1 temperature sensor ☆ Open or short circuit of T2 temperature sensor Communication malfunction between indoor and outdoor ☆ units. ☆ Outdoor fan speed has been out of control ☆...
  • Page 106 Troubleshooting 2.3 Outdoor unit malfunction Display LED STATUS Outdoor EEPROM malfunction Indoor / outdoor units communication error Communication malfunction between IPM board and outdoor main board Open or short circuit of outdoor unit temperature sensor(T3,T4,T5,T2B) Voltage protection Outdoor fan speed has been out of control No A Indoor unit coil outlet temperature sensor or connector of sensor is defective No B Indoor unit coil outlet temperature sensor or connector of sensor is defective No C Indoor unit coil outlet temperature sensor or connector of sensor is defective...
  • Page 107 Troubleshooting 2.4 Solving steps for typical malfunction 2.4.1 For the indoor unit 2.4.1.1 Indoor EEPROM malfunction Shut off the power supply and turn it on 1 minute later. Is it still displaying the error code? If the EEPROM chip is welded on PCB, replace the PCB directly.
  • Page 108 Troubleshooting 2.4.1.2 Indoor / outdoor units communication error Indoor / outdoor units communication error Start: Power off , then Power on the A/C by the Breaker. (reconnect the power wire). Is it still displaying the error code? Check wiring on the outdoor and indoor terminal follow the wiring diagram.
  • Page 109 Troubleshooting Pic 1: check the voltage of N to S (Vs), is it moving alternately between positive value and negative value? Pic 2: :IPM (For dual/tri-zone) Operating Self-Check Pic 2: :IPM (For qua-zone) els) Power, Self-Check Operating Electrical Control System...
  • Page 110 Troubleshooting PIC3 :Main board LED when power on and unit standby. PIC 4: check point button, Press 1 time for check how many indoor units are connected Electrical Control System...
  • Page 111 Troubleshooting 2.4.1.3 indoor unit fan speed has been out of control Shut off the power supply and turn it on 1 minute The unit operates normally. later. Is it still displaying the error code? Find out the cause and have it solved. For Shut off the power supply, example, check rotate the fan by hand.
  • Page 112 Troubleshooting For console: Color White Blue Yellow Black For other models: Color Black White Yellow Blue Index2: 1: Indoor AC fan motor Power on and set the unit running in fan mode at high fan speed. After running for 15 seconds, measure the voltage of pin1 and pin2.
  • Page 113 Troubleshooting For console: DC motor voltage input and output For HKD &HND: Color Signal Voltage Vs/Vm 280V~380V Black White 14-17.5V Yellow 0~5.6V Blue 14-17.5V For Duct & Cassette: Color Signal Voltage Vs/Vm 192V~380V Black White 13.5-16.5V Yellow 0~6.5V Blue For console: Color Signal Voltage...
  • Page 114 Troubleshooting 2.4.1.4 Open or short circuit of temperature sensor. Check the connections between temperature Correct the connections. sensor and PCB. Are the connections good? Check the resistance value of the sensor via Appendix 1 Is it normal? Replace indoor or outdoor PCB. Replace the sensor 2.4.1.5 Full-water malfunction If the water-level switch...
  • Page 115 Troubleshooting 2.4.2 For the outdoor unit 2.4.2 1 Outdoor EEPROM malfunction(ODU E0) Outdoor EEPROM malfunction If the EEPROM chip is welded on PCB, replace the PCB directly. Otherwise, Insert the EEPROM well check whether the EEPROM chip plugged in PCB well? Replace the outdoor main board Electrical Control System...
  • Page 116 Troubleshooting 2.4.2.2 Communication malfunction between IPM board and outdoor main board(ODU E3) Communication malfunction between IPM board and outdoor main board Is there at least one LED in the IPM board light? Check the signal wire between the IPM module and the main board, is it connected good? Reconnect and retry.
  • Page 117 Troubleshooting 2.4.2.3 Voltage protection(ODU E5) Voltage protection Check the voltage of outdoor unit power supply, whether the voltage Check the power supply between L(L1) and N (L2) is about 220~240VAC Check whether the voltage of IPM board P and N is normal? DC277-356V for 18-27KBtu/h;...
  • Page 118 Troubleshooting 2.4.2.4 Outdoor unit fan speed has been out of control (E8) Shut off the power supply and turn it on 1 minute The unit operates normally. later. Is it still displaying the error code? Find out the cause and have it solved.
  • Page 119 Troubleshooting Index 1: 1.Outdoor DC fan motor(control chip is inside fan motor) Measure the resistance value of each winding by using the tester. If any resistance value is zero, the fan motor must have problems and need to be replaced. Color Black White...
  • Page 120 Troubleshooting 2.4.2.5 High pressure protection (ODU P1) (For AWAU-YCZ430-H11, AWAU-YCZ536-H11) High pressure protection Judge 1: Whether the wiring between the high pressure switch and main control Connect it well board is connected well or correctly Judge 2: Whether the high pressure protector is broken Method: Short connect the high pressure protector...
  • Page 121 Troubleshooting 2.4.2.6 Low pressure protection (ODU P2) (For AWAU-YCZ430-H11, AWAU-YCZ536-H11) Low pressure protection Judge 1: Whether the wiring between the low pressure protector and main Connect it well control board is connected well or correctly Judge 2: Whether the low pressure protector is broken Method: Short connect the low pressure protector...
  • Page 122 Troubleshooting 2.4.2.7 Current protection of compressor(ODU P3) Current protection of compressor Judge 1: Check whether the input current of the power supply wire is more than 15A (For 27K(1x3) , it is 18.5A .For 36K(1x4), it is 23A Check whether the refrigerant system is ok Judge 2: Check whether the...
  • Page 123 Troubleshooting 2.4.2.8 Temperature protection of compressor discharge(ODU P4) Temperature protection of compressor discharge Check whether the Check whether the compressor discharge temp. Stop leaking and add refrigerant refrigerant is leak is more than 115° C ? Check whether the wiring connection is right between compressor discharge temp.
  • Page 124 Troubleshooting 2.4.2.9 High temperature protection of condenser(ODU P5) When outdoor pipe temperature is more than 65° C, the unit will stop, and unit runs again when outdoor pipe temp. less than 52° C. High temperature protection of condenser Replace the temperature sensor Check whether the condenser temperature is more than 65°...
  • Page 125 Troubleshooting 2.4.2.10 IPM module protection(ODU P6) IPM module protection Check whether the voltage range Check whether the input Regulate it to correct, then of P-N on IPM module is normal? power supply is correct? check whether the system DC277-356V for 18-27KBtu/h; 208-230V, 1N, 60Hz can work normally? DC277-410V for 36KBtu/h...
  • Page 126 2.4.3 Main parts check Spec. Indoor unit AWSI-HND012-N11 AWSI-HND018-N11 Model AWSI-HND009-N11 WZDK20-38G WZDK58-38G Indoor fan motor WZDK20-38G AWSI-HKD012-N11 AWSI-HKD018-N11 Model AWSI-HKD009-N11 WZDK20-38G WZDK30-38G Indoor fan motor RPG20E AWSI-DCD012-N11 AWSI-CBD012-N11 AWSI-XAD012-N11 Model WZDK27-38GS WZDK37-38G RD-280-20-8A Indoor fan motor Outdoor unit Model...
  • Page 127 Troubleshooting 1. Temperature sensor checking Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor discharge temp.(T5) sensor. Measure the resistance value of each winding by using the multi-meter. Electrical Control System...
  • Page 128 Troubleshooting Appendix 1 Temperature Sensor Resistance Value Table for T1,T2,T3,T4,T2B (℃--K) ℃ ℃ ℃ ℃ K Ohm K Ohm K Ohm K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5000 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865 10.4736 2.03732 0.56038...
  • Page 129 Troubleshooting Appendix 2 Temperature Sensor Resistance Value Table for T5 (℃--K) ℃ ℃ ℃ ℃ K Ohm K Ohm K Ohm K Ohm 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392 430.5 57.37 11.79 3.296 406.7...
  • Page 130 Troubleshooting 2.Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value DA150S1C-20FZ DA250S2C-30MT TNB306FPGMC-L Blue - Red 0.55Ω(20℃) 0.95Ω(20℃) 0.53Ω(20℃) Electrical Control System...
  • Page 131 Troubleshooting 3. IPM continuity check Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital tester to measure the resistance between P and UVWN; UVW and N. Digital tester Normal resistance value Digital tester Normal resistance value (+)Red...
  • Page 132 SERVICE MANUAL Multi Splits Series...

This manual is also suitable for:

Awsi-hnd009-n11Awsi-cbd012-n11Awau-ycz218-h11Awsi-xad012-n11Awsi-dcd012-n11Awsi-hkd012-n11 ... Show all

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