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WINTAIR WAW-24/INV Technical And Service Manual

Dc inverter air conditioners
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TECHNICAL&SERVICE MANUAL
WAW-18/INV
WAW-24/INV
WAW-36/INV
WAW-48/INV
WAW-60/INV
WAW-18/INV1
WAW-24/INV1
WAW-36/INV1
—DC INVERTER AIR CONDITIONERS
WAC-18IN/INV
WAC-24IN/INV
WAC-36IN/INV
WAC-18IN/INV1
WAC-24IN/INV1
WAC-36IN/INV1
WAC-48IN/INV
WAC-60IN/INV
WAV-18IN/INV1
WAV-24IN/INV1
WAV-36IN/INV1
WAV-48IN/INV
WAV-60IN/INV
WAD-18IN/INV
WAD-24IN/INV
WAD-36IN/INV
WAD-18IN/INV1
WAD-24IN/INV1
WAD-36IN/INV1
WAD-48IN/INV
WAD-60IN/INV
V3.3

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Summary of Contents for WINTAIR WAW-24/INV

  • Page 1 TECHNICAL&SERVICE MANUAL V3.3 —DC INVERTER AIR CONDITIONERS INDOOR OUTDOOR WAC-18IN/INV WAW-18/INV WAC-24IN/INV WAW-24/INV WAC-36IN/INV WAW-36/INV WAC-18IN/INV1 WAW-48/INV WAC-24IN/INV1 WAW-60/INV WAC-36IN/INV1 WAW-18/INV1 WAC-48IN/INV WAW-24/INV1 WAC-60IN/INV WAW-36/INV1 WAV-18IN/INV1 WAV-24IN/INV1 WAV-36IN/INV1 WAV-48IN/INV WAV-60IN/INV WAD-18IN/INV WAD-24IN/INV WAD-36IN/INV WAD-18IN/INV1 WAD-24IN/INV1 WAD-36IN/INV1 WAD-48IN/INV WAD-60IN/INV...

  • Page 2: Table Of Contents

    DC Inverter Air Conditioner Technical & Service Manual Table of Contents Page 1．GENERAL 2．SPECIFICATION 3．OUTLINES AND DIMENSIONS 3-1 INDOOR 3-2 OUTDOOR 4． DIAGRAM&DATA 4-1 Refrigerant Flow Diagram 4-2MAX. Refrigerant Pipe Length and Height Difference 4-3 Electric Diagrams 4-4Air flow and ESP Chart Diagrams(for duct type) 4-5 PERFORMANCE CURVE 5．ELECTRICAL DATA 5-1 Electric Wiring Diagrams...
  • Page 3 8-1 Check Refrigerant System 8-2 Check Parts Unit...

  • Page 4: General

    GENERAL GENERAL 1.1 Features Duct Type Air Conditioner Features Save Installation Space The indoor unit can be installed inside the ceiling conveniently. Optional Static Pressure 18k: optional 10Pa /30Pa, 24K/36K 50Pa/80Pa(For AUD-24UX4SALH1&AUD-36UX4SAMH1， freely changed between1-80Pa), 48K/60K: 80Pa/120Pa static Pressure. One unit, mute optional installation method. High Efficiency and Environment Friendly New Refrigerant-R410A R410A can protect the environment and do not harm to the ozone layer.
  • Page 5 GENERAL GENERAL Cassette Type Air Conditioner Features Save Installation Space The indoor unit can be installed inside the ceiling conveniently. High Efficiency and Environment Friendly New Refrigerant-R410A R410A can protect the environment and do not harm to the ozone layer. 24-hour Timer ON and OFF This Timer can be set to automatically turn the unit on or off within a 24-hour period.

  • Page 6: Product Lineup

    GENERAL GENERAL or on the floor. One unit, Two installation method. High Efficiency and Environment Friendly New Refrigerant-R410A R410A can protect the environment and do not harm to the ozone layer. 24-hour Timer ON and OFF This Timer can be set to automatically turn the unit on or off within a 24-hour period. Mute Operation The excellent fan design enable the airflow to be quiet and smooth with minimum noise.

  • Page 7: Model Identification

    GENERAL GENERAL Ceiling&Floor WAV- ● ● ● ● ● type 1.3 MODEL IDENTIFICATION DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3...
  • Page 8 GENERAL GENERAL WAW-18/INV W----WINTAIR A-----AIR CONDITIONER W----OUTDOOR UNIT 18----18000 BTU /INV---INVERTER MACHINE WAD-18IN/INV W----WINTAIR A-----AIR CONDITIONER D----D FOR DUCTED,C FOR CASSETTE,V FOR FLOOR CEILING 18----18000 BTU /INV---INVERTER MACHINE 1.4 Product Picture Duct Type Model WAD-18IN/INV WAD-24IN/INV Indoor Outdoor Model WAD-36IN/INV WAD-48IN/INV DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3...
  • Page 9 GENERAL GENERAL Indoor Outdoor WAD-18IN/INV1 WAD-24IN/INV1 Model Indoor Outdoor DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3...
  • Page 10 GENERAL GENERAL WAD-36IN/INV1 Model Indoor Outdoor Cassette Type Model WAC-18IN/INV WAC-24IN/INV Indoor Outdoor WAC-48IN/INV Model WAC-36IN/INV WAC-60IN/INV DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3...
  • Page 11 GENERAL GENERAL Indoor Outdoor WAC-24IN/INV Model WAC-18IN/INV WAC-36IN/INV Indoor Outdoor DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3...
  • Page 12 GENERAL GENERAL Ceiling &Floor Type Model WAV-18IN/INV1 WAV-24IN/INV1 Indoor Outdoo WAV-48IN/INV Model WAV-36IN/INV1 WAV-60IN/INV DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3...

  • Page 13: Cassette Type

    GENERAL GENERAL Indoor Outdoo DISPLAY PANEL: Cassette Type 24K，36K，48K，60K DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3...
  • Page 14 GENERAL GENERAL Ceiling&Floor type DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3...
  • Page 15 GENERAL GENERAL DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3...
  • Page 16 SPECIFICATIONS 2. Specifications Duct Type Indoor model WAD-18IN/INV1 WAD-24IN/INV1 WAD-36IN/INV1 WAD-18IN/INV WAD-24IN/INV WAD-36IN/INV WAD-48IN/INV WAD-60IN/INV Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-24/INV WAW-36/INV WAW-48/INV WAW-60/INV Ph-V-H Power supply 220V-240V ~/50Hz 380V-415V，3N~/50Hz 12.6 Cooling Btu/h 17,000 23,900 31,400 17,000 21,800 34,100...
  • Page 17 SPECIFICATIONS SPECIFICATIONS Indoor model WAD-18IN/INV1 WAD-24IN/INV1 WAD-36IN/INV1 WAD-18IN/INV WAD-24IN/INV WAD-36IN/INV WAD-48IN/INV WAD-60IN/INV Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-24/INV WAW-36/INV WAW-48/INV WAW-60/INV 25℃） 25℃） MITSUBISHI MITSUBISHI Brand GMCC GMCC GMCC GMCC HIGHLY GMCC ELECTRIC ELECTRIC YSK110-40-4-A( YSK110-40-4-A( Indoor Model SIC-70CW-F195-1...

  • Page 18: Specification

    SPECIFICATIONS SPECIFICATIONS Indoor model WAD-18IN/INV1 WAD-24IN/INV1 WAD-36IN/INV1 WAD-18IN/INV WAD-24IN/INV WAD-36IN/INV WAD-48IN/INV WAD-60IN/INV Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-24/INV WAW-36/INV WAW-48/INV WAW-60/INV --/62(SOUND --/66(SOUND --/70(SOUND --/56 53/58 --/58 --/60 --/60 Outdoor Hi/Med/Low dB(A) POWER) POWER) POWER) Gas/Liquid 12.7/6.35 15.88/9.52 15.88/9.52 12.7/6.35...
  • Page 19 SPECIFICATIONS SPECIFICATIONS Indoor model WAC-18IN/INV1 WAC-24IN/INV1 WAC-36IN/INV1 WAC-18IN/INV WAC-24IN/INV WAC-36IN/INV WAC-48IN/INV WAC-60IN/INV Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV 5（1.2-6.5） 7.0（2.2-8.0） 9.5（3.6～10.5） 32,400 Cooling 17,100(4,100-22 23,900 Btu/h （12,300-35,800 17000 21800 34100 41000 58000 ,200) （7,500-27,300） ） Capacity 11.0(3.05～...
  • Page 20 SPECIFICATIONS SPECIFICATIONS Indoor model WAC-18IN/INV1 WAC-24IN/INV1 WAC-36IN/INV1 WAC-18IN/INV WAC-24IN/INV WAC-36IN/INV WAC-48IN/INV WAC-60IN/INV Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV U-V: U-V: 2433;U-W :2433; 2433;U-W :2433; Winding resistance Ω 0.55（20℃） 0.73 (at20℃) 055（20℃） 0.95（20℃） 0.59 0.95（20℃） V-W: 2.304（at V-W: 2.304（at 25℃）...
  • Page 21 SPECIFICATIONS SPECIFICATIONS Indoor model WAC-18IN/INV1 WAC-24IN/INV1 WAC-36IN/INV1 WAC-18IN/INV WAC-24IN/INV WAC-36IN/INV WAC-48IN/INV WAC-60IN/INV Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV Outdoor Net/Gross 45/51 69/73 70/74 35.5/39 50/56 70/74 101/107 108/112 Panel Net/Gross 2.4/5 6/7.5 6/7.5 2.4/5 6/7.5 6/7.5 6/7.5 6/7.5 Low/Hi/sound...
  • Page 22 SPECIFICATIONS SPECIFICATIONS Indoor Model WAV-18IN/INV1 WAV-24IN/INV1 WAV-36IN/INV1 WAV-48IN/INV WAV-60IN/INV Btu/h 19,800 29,000 37,500 52,200 70,000 Dehumidification Cooling 1.55 3.05 3.92 5.295 Rated input Heating 1.75 2.77 5.65 Cooling 10.1 13.9 10.8 Rated Current Heating 13.0 15.0 11.3 Max. input 9.38 Max.Current 12.0 15.9...
  • Page 23 SPECIFICATIONS SPECIFICATIONS Indoor Model WAV-18IN/INV1 WAV-24IN/INV1 WAV-36IN/INV1 WAV-48IN/INV WAV-60IN/INV Winding M:83;A1:23.4A2:14A1:6 M:83;A1:23.4A2:14A1: resistance M:231.5;A:168 M:78;A:36.2,51.5,109.2 M:59.1;A:85.8 63.5 (at20℃) type centrifugal fan Indoor Speed r.p.m 630/720/850 910/1030/1150 1080/1160/1220 1000/1100/1200 1000/1100/1200 Hi/Med/Low type r.p.m tube-axial Fan speed Outdoor Speed r.p.m 0-810 0-810 0-810 500/600/700 500/600/700...
  • Page 24 SPECIFICATIONS SPECIFICATIONS Indoor Model WAV-18IN/INV1 WAV-24IN/INV1 WAV-36IN/INV1 WAV-48IN/INV WAV-60IN/INV Connection method Flare Connection Power wiring 3 core x1.5 3 core x2.5 3 core x2.5 5 core x2.5 5 core x2.5 wiring Signal wiring 4core x0.75 4core x0.75 4core x0.75 4core x0.75 4core x0.75 Refrigerant charge(R410a) 1.68...

  • Page 25: Outlines And Dimensions

    3.OUTLINES AND DIMENSIONS 3-1 INDOOR Duct type DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 26 DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...

  • Page 27: Outlines And Dimensions

    Cassette Type DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 28 DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 29 24K,36K,48K,60K DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 30 DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 31 Ceiling&Floor Type DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...

  • Page 32: Outdoor

    3-2.OUTDOOR 18K WAW-18/ INV DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 33 18K（WAW-18 / I N V 1 ） 24K(WAW-24 / IN V ) DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 34 24&36K （WAW-24 / IN V 1 WAW-36 / IN V 1 WAW-36 / IN V ） DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 35 48K&60K WAW-60 / IN V （WAW-48 / IN V ） 、 DC INVERTER UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...

  • Page 36: Piping Diagrams

    & &   4. Diagrams DATA & 4.1 Piping Diagrams 18k type                           DCINVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...

  • Page 37: Indoor

    & &   24k &36K type Stop Valve Ambient temperature Ambient Discharge sensor temperature temperature sensor sensor 4-Way Valve Discharge Coil Pressure temperature Outdoor Switch sensor Coil heat temperature exchanger sensor Suction temperature sensor Indoor heat exchanger Defrost temperature sensor Accumulator Compressor strainer...
  • Page 38 & &   48K&60K Stop Valve Ambient temperature Ambient Discharge sensor temperature temperature Suction sensor sensor Pressure 4-Way Valve Switch Discharge Coil Pressure temperature Outdoor Switch sensor Coil heat temperature exchanger sensor Suction temperature sensor Indoor heat exchanger Defrost temperature sensor Accumulator Compressor...

  • Page 39: Max. Refrigerant Pipe Length And Height Difference

      4-2MAX. Refrigerant pipe length and height difference *Do your best to reduce the pipe length. Long pipe may cause capacity of the indoor unit incline.    Total refrigerant pipe length  Outdoor unit precharged  0m~5m  5m～60m    1270g  0g  WAW-18/INV Xg = 15g / m  ×  (Total pipe length(m) ‐5)    1500g  0g  WAW-24/INV 2100g  0g    WAW-36/INV 1400g  0g    WAW-18/INV1   1680g  0g  WAW-24/INV1 2100g  0g   ...

  • Page 40: Electric Diagrams

    & &   4-3ELECTRIC Diagrams   Recommend Wire Size Power Source Transmitting Cable Model POWER SUPPLY Cable Size Size （mm2） （mm2） 220-240V,50Hz 3×1.5 4×0.75 24K/36K 220-240V,50Hz 3×2.5 4×0.75 380~415V,3N~,50Hz 48K/60K 5×2.5 4×0.75 ● Use an ELB (Electric Leakage Breaker). If not used, it will cause an electric shock or a fire.
  • Page 41 & &   (B) Check to ensure that the stop valves of the outdoor unit are fully opened and then start the system. ● Pay attention to the following items while the system is running. (A) Do not touch any of the parts by hand at the discharge gas side, since the compressor chamber and the pipes at the discharge side are heated higher than 90 .

  • Page 42: Air Flow And Esp Chart Diagrams(For Duct Type)

    & &   4-4Air flow and ESP Chart Diagrams(for duct type) 18K  18K Curve for 10Pa ESP 1000 Air flow（m3/h）   18K Curve for 30Pa ESP 1000 1100 Air flow（m3/h）     DCINVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 43 & &   24K  24K Curve for 50Pa ESP 700  800  900  1000  1100  1200  1300  1400  Air flow（m3/h）   24K Curve for 80Pa ESP 600  700  800  900  1000  1100  1200  1300  1400  1500  Air flow（m3/h）       DCINVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 44 & &    (AC MOTOR) 36K Curve for 50Pa ESP 900  1100  1300  1500  1700  1900  Air flow（m3/h）   36K Curve for 80Pa ESP 800  1000  1200  1400  1600  1800  2000  Air flow（m3/h）     DCINVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 45 & &   48K  48K Curve for 80Pa ESP 1500 1700 1900 2100 2300 2500 Air flow（m³/h）   48K Curve for120Pa ESP 1500 1700 1900 2100 2300 2500 Air flow（m³/h）     DCINVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 46 & &   60K  60K Curve for 80Pa ESP 1500 1700 1900 2100 2300 2500 Air flow（m³/h）     60K Curve for120Pa ESP 1500 1700 1900 2100 2300 2500 Air flow（m³/h）     DCINVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...

  • Page 47: Performance Curve

    & &   4.5 PERFORMANCE CURVE   18K Cooling Capacity    24K Cooling Capacity    36K Cooling Capacity        DCINVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 48 & &   48K  Cooling Capacity kW 16.00  21℃ 15.00  28℃ 35℃ 14.00  43℃ 13.00  12.00  11.00  10.00      60k  Cooling Capacity  20.00  21℃ 28℃ 19.00  35℃ 18.00  43℃ 17.00  16.00  15.00  14.00      DCINVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 49 5-1.Electrical wiring diagrams INDOOR UNIT Duct type DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 50 WAD-24IN/ IN V WAD-36IN/ IN V DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 51 WAD-24IN/ IN V 1 WAD-36IN/ IN V 1 DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 52 WAD-48IN/ IN V WAD-60IN/ IN V DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 53 Cassette type 24K ,36K,48K,60K DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 54 Ceiling&Floor type 18K,48K,60K 24K,36K DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 55 OUTDOOR UNIT WAW-18/ INV DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 56 WAW-18/ INV 1 DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 57 WAW-24/ INV DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 58 WAW-24/ INV 1 DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 59 WAW-36/ INV DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 60 WAW-36/ INV 1 DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 61 48K,60K DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...

  • Page 62: Electric Control

    5-2. Electric control Board 1. Indoor control board Duct type 18K,48K,60K &WAD-24IN/ INV WAD-36IN/ INV WAD-24IN/ INV 1 WAD-36IN/ IN V DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 63 CASETTE Type 24K,36K,48K,60K DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 64 Ceiling & Floor type 18k,48k,60k 24k,36k DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 65 2.Control board for outdoor unit 1) OUTDOOR CONTROL BOARD WAW-18/ INV ） WAW-18/ INV 1) CONTROL BOARD（ ） WAW-24/ INV CONTROL BOARD（ AC fan motor Heater N N OUT Earth AC N IN 4-way valve AC L IN Heater L Communication SI IPM-SI Communication N...
  • Page 66 ） WAW-36/ INV CONTROL BOARD（ 4-way valve Heater N 4-way valve N OUT Heater L AC N IN AC fan motor Earth AC L IN Electric expansion valve Communication SI IPM power IPM-SI Communication N AC L OUT Suction Sensor High pressure switch Outdoor Sensor Discharge Sensor...
  • Page 67 WAW-48/ INV WAW-48/ INV WAW-60/ INV ） CONTROL BOARD（ Heater N Transformer Down fan motor Up fan motor POWER IN 4-valve AC contactor Heater L Transformer Communication N Communication SI Coil/defrost Sensor High pressure switch IPM-SI Outdoor Sensor Electric expansion valve Low pressure switch Suction sensor Discharge sensor...
  • Page 68 （ ） WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 By Pass valve Heater N 4-way valve N OUT Heater L AC N IN AC Fan Earth AC L IN Electric expansion valve Communication SI IPM power IPM-SI Communication N AC L OUT Suction Sensor High pressure switch Outdoor Sensor Discharge Sensor...
  • Page 69 IPM Board IPM Board（WAW-18/ INV ） To Electrolytic Capacitor + To PFC Inductor-2 AC L IN To PFC Inductor-1 To Electrolytic Capacitor - AC N IN IPM Power To Compressor W To Compressor V To Compressor U To Main Control To Electrolytic Board Capacitor +...
  • Page 70 WAW-48/INV WAW-60/INV AC IN-W Compressor AC IN-V Contacto Compressor AC IN-U Inductor Compressor AC IN Inductor L1 Contact IPM-SI DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...

  • Page 71: Dip Switch Setting Of Outdoor

    5-3. DIP SWITCH SETTING OF OUTDOOR WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV1 WAW-24/INV1 WAW-36/INV 48K&60K DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...

  • Page 72: Digital Display Switch Of Outdoor

    5-4. Digital Display Switch of Outdoor Digital Display Switch Introduction It can be used to check outdoor running parameters. There are 3 buttons on the digital display board： 1）SWITCH button：Indoor parameters and outdoor parameters can be selected in turn by pressing it. P--outdoor unit, H--indoor unit；...
  • Page 73 The parameters will be displayed after 3s when the checking numbers are selected. Parameters can be checked as following table below. Parameter Descriptions code Protect Code or Error Code Target Frequency Driver Frequency Outdoor Electronic expansion valve Opening Outdoor Electronic expansion valve Target Opening Upper DC Motor Revolving Speed AC Input Voltage Current...

  • Page 74: Static Pressure Setting(Only For Duct Type)

    5-5. Static Pressure Setting (only for duct type) CHANGE OF STATIC PRESSURE The static pressure outside the indoor unit can be chosen . Models except DC FAN MOTERS(AUD-24UX4SALH1 & AUD-36UX4SAMH1) : You can change the static pressure by changing the fan motor terminal which refer to following Fig.below: FOR DC FAN MOTER DUCT AIR CONDITIONERS(AUD-24UX4SALH1 &...
  • Page 75 5-6 System Parameter Adjustment Internal control parameter adjustment can be performed. OPERATION： ①Hold down both“MODE”button and“ADD.FUNC.”button for 3 seconds, symbol and parameter number blinking at the same time. ②Press“ ”“ ”button to adjust parameter number until display “17”. And press “ENTER”button to entering system parameter adaption state, symbol stop blinking.
  • Page 76 PARAMETER PARAMETER VALUE&REPRESENTATION PARAMETER DESCRIPTION NOTE CODE DATA TYPE REPRESENTATION(FUNCTION CODE) Temperature Adjustment-Heating Character -10~10℃（Single Character with symbol） =0，Cooling/Heating Temperature Limit are all Invalid =1，Cooling Temperature Limit is valid，Heating Temperature Limit is invalid Cooling/Heating Temperature Limit Integer =2， Cooling Temperature Limit is invalid， Heating Temperature Limit is valid =3，Cooling/Heating Temperature Limit are all valid The Lowest Set Temperature in...

  • Page 77: Sensor Parameter

    5-7. Sensor parameter 1. THE PARAMETER OF OUTDOOR COMPRESSOR DISCHARGE TEMPERATURE SENSOR: （R =187.25K±6.3%；R =3.77K±2.5K；B0/100=3979K±1%） T [ ℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 7.47 908.2603 985.5274 1065.1210 -7.84 7.42 855.3955 927.6043 1001.9150 -7.78...
  • Page 78 T [ ℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 5.50 107.8202 114.4973 121.1586 -5.83 5.46 102.8560 109.1728 115.4734 -5.79 5.41 98.1470 104.1246 110.0855 -5.74 5.37 93.6787 99.3367 104.9778 -5.70 5.33 89.4378 94.7946 100.1342 -5.65...
  • Page 79 T [ ℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 3.87 17.6458 18.3926 19.1338 -4.06 3.84 16.9986 17.7113 18.4185 -4.02 3.83 16.3784 17.0537 17.7335 -3.96 3.77 15.7839 16.4332 17.0774 -3.95 3.74 15.2139 15.8338 16.4488 -3.92...
  • Page 80 T [ ℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 2.55 4.1453 4.2568 4.3683 -2.62 2.52 4.0218 4.1287 4.2355 -2.59 2.50 3.9024 4.0049 4.1074 -2.56 2.47 3.7872 3.8854 3.9837 -2.53 2.44 3.6758 3.7700 3.8643 -2.50...
  • Page 81 2. THE PARAMETER OF THE OTHER SENSOR IN INDOOR AND OUTDOOR UNIT： （ R =15K±2%； B0/100=3450K±2%） T [℃] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 6.12 60.78 64.77 68.99 -6.16 5.83 57.75 61.36 65.16 -5.88 5.57...
  • Page 82 T [℃] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 2.33 9.199 9.422 9.647 -2.37 2.40 8.826 9.047 9.269 -2.44 2.48 8.470 8.689 8.910 -2.52 2.57 8.129 8.347 8.567 -2.61 2.66 7.804 8.021 8.240 -2.71 2.76 7.493...
  • Page 83 T [℃] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 5.82 1.888 2.005 2.129 -5.84 5.87 1.827 1.941 2.062 -5.87 5.91 1.767 1.880 1.998 -6.01 5.99 1.710 1.820 1.936 -6.04 6.02 1.655 1.763 1.876 -6.13 6.11 1.602...
  • Page 84 T [℃] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 8.23 0.5064 0.5519 0.6014 -8.24 8.27 0.4923 0.5369 0.5853 -8.31 8.32 0.4787 0.5224 0.5698 -8.37 8.36 0.4655 0.5083 0.5547 -8.42 8.42 0.4528 0.4946 0.5401 -8.45 8.46 0.4404...

  • Page 85: Control Mode

    6-1 Indoor control mode 1.Major general technical parameters 1 Remote receiver distance: 8 m. 2 Remote receiver angle: Less than 80 degrees. 3 Temperature control accuracy: ±1℃. 4 Time error: Less than 1%. 2. Functions of the controller Control function 2.1 Emergency switch Press the emergency button can realize the starting or closing Machine, starting up according to the automatic mode of operation（invalid for duct type air-conditioner）...
  • Page 86 will start in the timer off condition. When the set time is up, the air conditioner will turn off after receiving a signal from the remote controller. If the air conditioner has not received a signal from the remote controller when the set time is up, it will turn off automatically. 3.
  • Page 87 The heating mode, remote shutdown, such as indoor heat exchanger temperature is higher, the wind blowing out opportunities continue to run the waste heat. Cool and dehumidification mode , after the compressor close, indoor machine will continue to set the speed of operation for a period of time. 2.9 automatically model This model does not automatically model function, emergency button cannot set the automatic mode of operation, can use the emergency switch shutdown, remote setting the...
  • Page 88 6-2 Outdoor mode control Control function 1.Cooling Anti-freeze Protection To prevent indoor air conditioner evaporator temperature is too low, the indoor coil sensor for real time detection of evaporator. If the indoor coil temperature is too low, the compressor will protect. 2.
  • Page 89 Four-way valve of the outdoor machine shuts down when cooling and defrosting but starts when heating. During the heating process, the four way valve to stop working for a period of time after compressor disconnect. 7. Start-up Protection: To prevent compressor from restart frequently in the condition that system pressure has not been completely balanced, it can’t be restarted within 3 minutes.

  • Page 90: Error Codes

    Trouble guide When the air conditioner failure occurs, the fault code will displays on control board , wire remote controller or display panel. HOW TO CHECK FAULT CODES INDOOR UNIT 1.WALL MOUNTED TYPE For Free-match series Run the air-conditioner by wireless remote controller , continue pressing “SLEEP ”button for 4 times, fault codes will flashing rapidly on the...
  • Page 91 MOEDL:YXE-C01U FIG.2 ERROR CODE DISPLAY ON WIRE REMOT CONTROLLER （2）CHECK ERROR CODES BY DISPLAY PANEL(CASSETTE type and CEILING &FLOOR type) Display by lamp indicator Lamp RUN(LED2 ,red) and Lamp DEFROST（LED5 ,green）flashing，Lamp RUN display fault code ten digit number, lamp DEFROST display fault code single digit number (as shown fig. below). For example，fault code 36：...
  • Page 92 DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 93 LED FALSH CONTROL：flash 300mS(T1)，off 300mS(T2)，after 2000mS(T3)fault code repeat displays. (as shown below) T1 T2 Fig.2 LED FALSH CONTROL 3.Duct type indoor units of VRF---FAULT CODE DISPLAY BY INDOOR BOARD LED2 and LED5 are failure indicate lamps， LED2(YELLOW) indicate fault code ten digit number, LED5(GREEN) indicate single digit number code DC INVERTER AIR CONDITIONER TECHNICAL&...
  • Page 94 2.OUTDOOR UNIT FAULT CODE DISPLAY （1） ON/OFF UNITARY TYPE（with outdoor control box） Fault code display by indicate lamps of outdoor control board flash. The times that the lamp flashes equal to fault code. LED2-fault code lamp LED FALSH CONTROL： flash 300mS(T1)， off 300mS(T2)， after 900mS(T3)fault code repeat displays. (as shown below) T1 T2 （2）INVERTER UNITARY AIR CONDITONER , MULTI-SPLIT TYPE AIR CONDITONER&VRF：...
  • Page 95 Outdoor Control Board Digital Tube FOR INVERTER UNITARY AIR CONDITONER&VRF * VRF： Indoor unit can indicate both indoor failure and outdoor failure ,but outdoor only indicate outdoor’s. FOR MULTI-SPLIT TYPE Error code display on digital tube board directly. DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 96 3.Fault code display ( Driver Board ) The lamp of driver board flash shows failure occur. Or, fault code can be check on digital tube board . DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 97 The following is the fault code table of outdoor. sheet 1 Outdoor Error Code Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 1.Reconnect the outdoor ambient 1.The outdoor ambient temperature sensor temperature sensor; connect loose; Outdoor ambient temperature 2.Replace the outdoor ambient 2.The outdoor ambient temperature sensor is...
  • Page 98 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code Applied to 1.Replace outdoor ambient ON/OFF 1.Outdoor ambient temperature sensor fault； temperature sensor； air-condition Motor blockage protection 2. Outdoor coil temperature sensor fault； 2.Replace outdoor coil temperature ers with 2 3.Outdoor control board fault.
  • Page 99 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 3.Replace the outdoor control board supply models Application 1. Normally protection 1.Three-phase power is abnormal; 2. Check the wiring connection refer to three-phase voltage absent phase 2.The outdoor wiring connect wrong; the wiring diagram;...
  • Page 100 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 1.Reconnect the wiring of the suction 1.The wiring of the suction temperature temperature sensor; Suction temperature sensor sensor connect loose; 2.Replace the suction temperature fault 2. The suction temperature sensor is failure; sensor;...
  • Page 101 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 2.The sensor of the expansion valve A（thick 2. Replace the sensor for the &inverter tube）is failure; expansion valve A(thick tube); unitary types 3.The sampling circuit is abnormally 3.
  • Page 102 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 2.The high-pressure pressure sensor is 2.Replace the high-pressure pressure failure sensor; 3.The sampling circuit of the high-pressure 3.Replace the outdoor control board. pressure sensor is failure 1.The wiring of the low-pressure pressure 1.Reconnect the wiring of the sensor connect loose;...
  • Page 103 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code as capillary, expansion valve) 4. Normally protection. 1.Reconnect the wiring of the up DC 1.The wiring of the up DC fan motor connect fan motor; loose; 2.Replace the up DC fan motor; 2.
  • Page 104 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 1. The wiring of the sensor connect loose; 1. Reconnect the wiring of the sensor; Expansion valve E 2.The sensor of the expansion valve Eis 2. Replace the sensor for the FOR Branch temperature sensor fault failure;...
  • Page 105 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code the refrigerant of the unit is not Discharge the refrigerant and charge The refrigerant of the unit is not enough enough fault the refrigerant refer to the rating label 1.The wiring of the 4-way valve coil connect 1.
  • Page 106 The following is the fault code table of indoor. Sheet 2 Indoor Error Code List Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 1. The buttons are failure; 1. Replace the display board; 2. The cable of the display board is 2.
  • Page 107 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 1. The connection cable between the indoor unit and the outdoor unit connect 1. Reconnect the connection cable wrong; refer to the indoor and outdoor 2.The communication cable between wiring diagram;...
  • Page 108 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 1. Check whether there are something to block the drain hose or the height of the drain hose is too 1. The water level of the drain pan high;...
  • Page 109 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 4.Indoor control board is failure. 1. The cable of the water tank water temperature sensor 2 connect loose; 1. Reconnect the cable of the water 2. The cable of the water tank water temperature sensor 2;...
  • Page 110 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code indoor unit and the outdoor unit is wiring diagram; failure or 4. Replace the indoor control board; the cable between the indoor control 5. Replace the outdoor control board. board to terminal is failure or the cable between...
  • Page 111 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 1. The cable of the room temperature 1.Reconnect the cable of the room sensor connect loose; temperature sensor; Indoor ambient 2. The room temperature sensor is 2. Replace the room temperature Temperature Sensor Fault failure;...
  • Page 112 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 1. The cable of the temperature sensor 1. Reconnect the able of the temperature sensor of the outlet of The outlet of water the outlet of water side is failure; water side;...
  • Page 113 Fault Fault Description Possible Reason of Abnormality How to Deal With REMARKS code 1.The wiring between the display board to 1. Reconnect the between the display the indoor control board connect loose; board to the indoor control board; 2.The sequence of the wiring between 2.
  • Page 114 The expansion valve or the capillary is failure Replace the expansion valve or the capillary Note 4:Over load in heating mode Overload in heating mode The root cause Corrective measure Discharge the refrigerant, and recharge the refrigerant refer to the The refrigerant is excessive rating label The indoor ambient temperature is too high...

  • Page 115: Trouble Shooting

    The following is the fault code table of driver board. Analysis of the Driving Board Fault （Except Free-match 20K&16K DUAL TYPES）, Driver board fault codes trouble shooting details see sheet 5. I． Driver fault code display by indicate lamps of driver board flashing. The times that the lamp flashes equal to fault code.
  • Page 116 Fault Fault Description Possible Reason of Abnormality How to Deal With code Communication between 1,Communication wire connect not well; 1, Check compressor wire connect. driver board and control 2,Driver board fault; 2,Change the driver board; board fault 3,Control board fault; 3,Change the control board ;...
  • Page 117 1 time flash 1 time flash LED ON LED ON LED OFF LED OFF 1.0sec 1.0sec 0.5sec 0.5sec For example，fault code 4： Indicator light flash 4 times1-second short LED on/off Intervals for a period of time again, reports No. 4 fault. LED ON LED OFF 3.0sec...
  • Page 118 Fault Fault Description Possible Reason of Abnormality How to Deal With code 2、 Driver board failure； board; 3、PFC failure； 3、Change the PFC. DC voltage detected abnormal . 1、 Input voltage is too high or 1,Check the power supply. too low; PFC LOW voltage detected failure.

  • Page 119: Check Refrigerant System

    8-1. Check refrigerant system TEST SYSTEM FLOW Conditions: ① Compressor is running. ② The air condition should be installed in good ventilation. Tool: Pressure Gauge Technique: ① see ② feel ③ test ----- Tube defrost. FEEL ----- The difference between tube’s temperature. TEST ----- Test pressure.
  • Page 120 Test system flow Cooling mode Test system The pressure on the pressure.Does the low high side. pressure normal at service part ? Recharge refrigerant after air purging with If the pressure is The pressure on the the vacuum close to static low side.

  • Page 121: Check Parts Unit

    8-2.Check parts unit 1. INDOOR FAN MOTOR Duct type YSK110-40-4-A (HS16) M1:146±15%Ω M2: 33±15%Ω M3: 43±15%Ω A1: 63±15%Ω A2: 23±15%Ω A3: 119±15%Ω DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 122 WAD-24IN/ INV Y6S419C56 WAD-24IN/ INV 1 DC MOTOR WAD-36IN/ INV 1 DC MOTOR DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 123 WAD-36IN / INV Y7S423C024 DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 124 48K,60K DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 125 Cassette 25℃ 24K,36K,48K,60K DC-MOTOR DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 126 Ceiling & Floor type YSK110-22-4-A M: 187Ω A1：37.5Ω A2：27.8Ω A3：146Ω 24K-- DC MOTOR SIC-70CW-F1100-6 36K-- DC MOTOR SIC-70CW-F1140-3 48K,60K Y7S423C032 WHITE-BLACK:42.69 BLACK-BLUE:9.19 BLUE-YELLOW:9.09 RED-BLACK:36.41 DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 127 Test in resistance. TOOL: Multimeter. Test the resistance of the main winding. The indoor fan motor is fault if the resistance of main winding 0(short circuit)or∞（open circuit）. Test in voltage TOOL: Multimeter. Insert screwdriver into to rotate indoor fan motor slowly for 1 revolution or over, and measure voltage “YELLOW”...
  • Page 128 2. OUTDOOR FAN MOTOR MOTOR EXAMINE AND REPAIR Circuit diagram WAW-18/ INV1 WAW-24/ INV1 WAW-36/INV1 —DC MOTOR 18K-- MOTOR MODEL:ARW4401QH 24K-- MOTOR MODEL:SIC-71FW-D8121-1 36K-- MOTOR MODEL:SIC-71FW-D8121-1 Circuit diagram WAW-18/INV YDK29-6I-22: Winding BROWN "M"-The Main Winding "A"-The Auxiliary Winding Capacitor Hot Protector 130℃ WHITE PINK PURPLE...
  • Page 129 BROWN YELLOW WINDING M: Main winding A: Auxiliary winding Capacitor Hot protector WHITE BLACK BLUE Winding resistance ( at 20℃) M1:59.1Ω M2:20.3Ω M3:15.3Ω A: 85.8Ω 48K,60K YDK65-6-9024、YDK65-6-9061 Winding resistance ( at 20℃) M:83.0Ω A1:23.4Ω A2:14.0Ω A3: 63.5Ω Test in resistance. TOOL: Multimeter.
  • Page 130 3. COMPRESSOR COMPRESSOR EXAMINE AND REPAIR WAW-18/ INV ：DA130S1C-20FZ WAW-18/INV 1 DA131S1B-28FZ WAW-24/INV DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 131 WAW-24/INV 1 DA230S2C-31MT DA250S2C-30MT （TNB306FPNMC） DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3...
  • Page 132 （LNB42FSAMC） Test in resistance. TOOL: Multimeter. Test the resistance of the winding. The compressor is fault if the resistance of winding 0(short circuit)or∞（open circuit） Familiar error: 1）Compressor motor lock. 2）Discharge pressure value approaches static pressure value . 3）Compressor motor winding abnormality. Notes：...
  • Page 133 4. INDUCTANCE Familiar error: 1）Sound abnormality 2）Insulation resistance disqualification. 5. STEP MOTOR Test in resistance. TOOL: Multimeter. Test the resistance of winding. The stepper motor is fault if the resistance of winding 0(short circuit)or∞（open circuit）. 6. FUSE Checking continuity of fuse on PCB ASS’Y. 1) Remove the PCB ASS’Y from the electrical component box.
  • Page 134 * The capacitor is “good” if the pointer bounces to a great extent and then gradually returns to its original position. * The range of deflection and deflection time differ according to the capacity of the capacitor. Multimeter Compressor motor capacitor Fan motor capacitor...

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