Hisense AUD-30UX4RKSH1 Technical & Service Manual
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Hisense AUD-30UX4RKSH1 Technical & Service Manual

Hisense AUD-30UX4RKSH1 Technical & Service Manual

R32 refrigerant
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TECHNICAL & SERVICE MANUAL
Factory model:
Duct type
AUD-30UX4RKSH1
AUD-36UX4RKSH1
AUD-42UX4RHSH1
AUD-48UX4RHSH1
AUD-60UX4RHSH1
AU Model#:
Duct type
AUD-85UX4RKSH1
AUD-100UX4RKSH1
AUD-125UX4RHSH1
AUD-140UX4RHSH1
AUD-160UX4RHSH1
R32
V 2.0

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Summary of Contents for Hisense AUD-30UX4RKSH1

  • Page 1 TECHNICAL & SERVICE MANUAL V 2.0 Factory model: AU Model#: Duct type Duct type AUD-85UX4RKSH1 AUD-30UX4RKSH1 AUD-100UX4RKSH1 AUD-36UX4RKSH1 AUD-125UX4RHSH1 AUD-42UX4RHSH1 AUD-140UX4RHSH1 AUD-48UX4RHSH1 AUD-160UX4RHSH1 AUD-60UX4RHSH1...

  • Page 2: Safety Summary

    SAFETY SUMMARY IMPORTANT NOTICE ● We pursue a policy of continuing improvement in design and performance of products. The right is therefore reserved to vary specifications without notice. ● We cannot anticipate every possible circumstance that might involve a potential hazard. ●...

  • Page 3: Checking Product Received

    ● If circuit breaker or fuse is often activated, stop the system and contact your service contracto r. ● Check that the ground wire is securely connected. If the unit is not correctly grounded, it will cause an electric shock. Do not connect the ground wiring to gas piping, water piping, lightning conductor or ground wiring for telephone.

  • Page 4: Table Of Contents

    Air Conditioner Tech nical & Service Manual Table of Contents 1. General ..............................1 1.1 Features............................1 1.2 Product lineup..........................2 1.3 Nomenclature ..........................2 1.4 Unit installation ..........................2 1.5 Working range..........................3 1.6 Product appearance ........................4 2. Outlines and dimensions ........................5 2.1 Indoor units ...........................5 2.2 Outdoor units ..........................6 3.

  • Page 5: General

    1. GENERAL 1. General 1.1 Features Duct Type Air Conditioner Saving Installation Space  The indoor unit can be installed inside the ceiling conveniently. Optional Static Pressure  Optional ESP, a variety of optional installation methods. 24-hour Timer ON and OFF ...

  • Page 6: Product Lineup

    1. GENERAL 1.2 Product lineup Model (Btu/h) Type ● ● ● ● ● Duct Type ● : available model : in development AUD-60UX4RHSH1 1.3 Nomenclature A U D- 60 U X 4 R H S H 1 Product Series Number Product ESP L: Low ESP M: Medium ESP H: High ESP Indoor Unit Code...

  • Page 7: Working Range

    1. GENERAL 1.5 Working range Power supply 176V ~ 253V Working Voltage Voltage Imbalance Within a 3% deviation from each voltage at the main terminal of outdoor unit Starting Voltage Higher than 85% of the Rated Voltage Operating temperature range This air conditioner is designed for the following outdoor operating temperatures.

  • Page 8: Product Appearance

    1. GENERAL 1.6 Product appearance Duct Type Model (Heating Indoor Unit Outdoor Unit Pump) 30K/36K 42K/48K/60K...

  • Page 9: Outlines And Dimensions

    2. OUTLINES AND DIMENSIONS 2. Outlines and dimensions 2.1 Indoor units Duct Type Unit：mm 30K/36K/42K/48K/60K 4 1 _0_ gas pipe Electric box Drain pipe 蹈 · ' ：：： , :-; 尸 匡； 令 Air inlet Air inlet 霉 令 Air outlet 霉...

  • Page 10: Outdoor Units

    2. OUTLINES AND DIMENSIONS Unit：mm 2.2 Outdoor units 30K/36K...
  • Page 11 2. OUTLINES AND DIMENSIONS Unit：mm 42K/48K/60K Electric box 194.5 Air inlet Drain pipe Air outlet...

  • Page 12: Electrical Data

    ELECTRICAL DATA 3. Electrical data Power Source Transmitting Cable Size Cable Size Circuit Model Power Supply Breaker Nominal Nominal Sensitive Capacity Current Current IEC60335-1*1 IEC60335-1*1 (mA) 30K/36K 3×2.5mm² 4×1.5mm² 220-240V~/50Hz 42K/48K/60K 220-240V~/50Hz 3×6.0mm² 4×1.5mm² NOTE: 1. The above compressor data is based on 100% capacity combination of indoor units at the rated operating frequency.

  • Page 13: Capacities And Selection Data

    4. CAPACITIES AND SELECTION DATA 4. Capacities and selection data 4.1 Capacity characteristic charts The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ① Pipe length/height difference: 5m(30K/36K)/0m ②...
  • Page 14 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-30UX4RKSH1 CAPACITY: 8.5 kW SHF: 0.70 INPUT: 2537 W OUTDOOR DB (°C) DB (°C) WB (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 15 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-30UX4RKSH1 CAPACITY: 8.5 kW SHF: 0.70 INPUT: 2537 W OUTDOOR DB (°C) DB (°C) WB (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 16 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Heating Operation at Rated Frequency) AUD-30UX4RKSH1 CAPACITY: 10.00 kW INPUT: 2600 W OUTDOOR DB(℃） INDOOR DB(℃） INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 7.50 2149 8.80 2187 10.89 2239 11.00 2303 11.12 2357 11.25...
  • Page 17 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-36UX4RKSH1 CAPACITY: 10.0 kW SHF: 0.70 INPUT: 3030 W OUTDOOR DB (°C) DB (°C) WB (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 18 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-36UX4RKSH1 CAPACITY: 10.0 kW SHF: 0.70 INPUT: 3030 W OUTDOOR DB (°C) DB (°C) WB (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 19 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Heating Operation at Rated Frequency) AUD-36UX4RKSH1 CAPACITY: 11.00 kW INPUT: 2895 W OUTDOOR DB(℃） INDOOR DB(℃） INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 8.25 2393 9.68 2435 11.98 2493 12.10 2564 12.23 2625 12.38 2808...
  • Page 20 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-42UX4RHSH1 CAPACITY: 13.0 kW SHF: 0.956 INPUT: 3611 W OUTDOOR DB (°C) DB (°C) WB (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 21 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-42UX4RHSH1 CAPACITY: 13.0 kW SHF: 0.956 INPUT: 3611 W OUTDOOR DB (°C) DB (°C) WB (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 22 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Heating Operation at Rated Frequency) AUD-42UX4RHSH1 CAPACITY: 15.50 kW INPUT: 3780 W OUTDOOR DB(℃） INDOOR DB(℃） INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 11.63 3125 13.64 3180 16.88 3255 17.05 3348 17.24 3427 17.44 3666...
  • Page 23 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-48UX4RHSH1 CAPACITY: 14.5 kW SHF: 0.943 INPUT: 4085 W OUTDOOR DB (°C) DB (°C) WB (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 24 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-48UX4RHSH1 CAPACITY: 14.5 kW SHF: 0.943 INPUT: 4085 W OUTDOOR DB (°C) DB (°C) WB (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 25 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Heating Operation at Rated Frequency) AUD-48UX4RHSH1 CAPACITY: 17.00 kW INPUT: 4250 W OUTDOOR DB(℃） INDOOR DB(℃） INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 12.75 3513 14.96 3575 18.51 3660 18.70 3764 18.90 3853 19.13 4122...
  • Page 26 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-60UX4RHSH1 CAPACITY: 16.0 kW SHF: 0.70 INPUT: 4776 W OUTDOOR DB (°C) DB (°C) WB (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 27 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-60UX4RHSH1 CAPACITY: 16.0 kW SHF: 0.70 INPUT: 4776 W OUTDOOR DB (°C) DB (°C) WB (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 28 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Heating Operation at Rated Frequency) AUD-60UX4RHSH1 CAPACITY: 18.90 kW INPUT: 4870W OUTDOOR DB(℃） INDOOR DB(℃） INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 14.18 4026 16.63 4097 20.58 4194 20.79 4313 21.02 4415 21.26 4723 21.49...

  • Page 29: Piping Length Correction Factor

    4. CAPACITIES AND SELECTION DATA 4.2 Piping length correction factor Outdoor unit Pipe length L Pipe length L Indoor unit Height difference H Height difference H Outdoor unit Indoor unit Min. Pipe Max. Pipe Max. Height Model length (L) length (L) difference (H) 30K/36K/42K/48K/60K 3(m)

  • Page 30: Correction Factors According To Defrosting Operation

    4. CAPACITIES AND SELECTION DATA Heating: 7.5m Factor 1.00 0.95 0.90 0.88 0.86 0.84 0.82 0.80 0.78 30K/36K 1.00 0.95 0.90 0.88 0.82 42K/48K/60K 0.92 0.86 0.80 0.76 Height difference Factor 0.010 0.015 0.020 0.025 To ensure correct unit selection, consider the farthest indoor unit.

  • Page 31: Sound Pressure Data

    SOUND PRESSURE DATA 5. Sound pressure data Indoor unit Cooling Heating Model AUD-30UX4RSH1、AUD-36UX4RSH1 Model AUD-30UX4RSH1、AUD-36UX4RSH1 Test condition 1.4m under the unit; 1.0m high from the ground Test condition 1.4m under the unit; 1.0m high from the ground NC-70 NC-70 NC-65 NC-65 NC-60 NC-60...
  • Page 32 SOUND PRESSURE DATA Cooling Heating Model AUD-60UX4RSH1 Model AUD-60UX4RSH1 Test condition 1.4m under the unit; 1.0m high from the ground Test condition 1.4m under the unit; 1.0m high from the ground NC-70 NC-70 NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45...

  • Page 33: Outdoor Unit

    SOUND PRESSURE DATA 5. Sound pressure data Outdoor unit Cooling Heating Model Model AUW-30U4RK1、AUW-36U4RK1 AUW-30U4RK1、AUW-36U4RK1 1m in front of the unit; 0.89m above the bottom 1m in front of the unit; 0.89m above the bottom of Test condition Test condition of the unit;1.0m high from the ground.
  • Page 34 SOUND PRESSURE DATA Cooling Heating Model AUW-60U4RH1 Model AUW-60U4RH1 1m in front of the unit; 0.89m above the bottom 1m in front of the unit; 0.89m above the bottom of Test condition Test condition of the unit;1.0m high from the ground. the unit;1.0m high from the ground.

  • Page 35: Esp (External Static Pressure) Chart (Duct Type)

    6. ESP (EXTERNAL STATIC PRESSURE) CHART (DUCT TYPE) 30K/36K 42K/48K...
  • Page 36 6. ESP (EXTERNAL STATIC PRESSURE) CHART (DUCT TYPE)

  • Page 37: Refrigerant Cycle

    7. REFRIGERANT CYCLE 7. Refrigerant cycle Indoor unit List of Components Hexagon nut Ambient temperature sensor Indoor heat exchanger Coil temperature sensor...
  • Page 38 7. REFRIGERANT CYCLE Outdoor unit 30K/36K Cooling cycle Heating cycle List of components Stop valve(Gas) Compressor Ambient temperature sensor Discharge temperature sennor Coil temperature sensor 4-Way valve Electronic expansion value Stop valve(Liquid) Outdoor heat exchanger...
  • Page 39 7. REFRIGERANT CYCLE Outdoor unit 42K/48K Cooling c ycle Heating c ycle List of components Compressor Stop valve(Liquid) Outdoor heat exchanger Discharge temperature sennor Stop valve(Gas) Ambient temperature sensor High pressure switch Accumulator Coil temperature sensor 4-Way valve Low pressure switch Electronic expansion value...
  • Page 40 7. REFRIGERANT CYCLE Outdoor unit Cooling c ycle Heating c ycle List of components Compressor Ambient temperature sensor Stop valve(Gas) Discharge temperature sennor Accumulator Coil temperature sensor Low pressure switch High pressure switch Electronic expansion value 4-Way valve Stop valve(Liquid) Electronic expansion value Outdoor heat exchanger...

  • Page 41: Wiring Diagram

    8. WIRING DIAGRAM 8. Wiring diagram 8.1 Electrical wiring diagram Indoor unit Ducted（30-60K) Electric wiring diagram 2339688.C X850 X3 OUTPUT1 STEP MOTOR X4 OUTPUT2 X29 WIND X25 SWING X825 NANOE NANOE HI-NANO /HI-NANO X450 Motor X870 PUMP Humidity HUMIDITY Pump motor sensor X400 ROOM TEMP Room temperature sensor...
  • Page 42 8. WIRING DIAGRAM Outdoor unit (30K/36K) Remark: Dashed parts are not available in some models. Details see the table below. Electronic X121 & Pressure Compressor Indoor AC Fan DC Fan Compressor Dred Overload 4 WAY Series Heater Inductor expansion X122 protector units model motor...
  • Page 43 8. WIRING DIAGRAM 42K/48K/60K Electric Wiring Diagram 2219548.H AC POWER Terminal panel LOUT Filter Board NOUT YEL/GRN EART X1PTC Nout1 Lout1 YEL/GRN BLU BRN BRNBLU 3 2 1 X201 X205 DRED BOARD 1 2 3 X18 PTC 1 2 3 ACIN BASE DC FAN UP...

  • Page 44: Control Board Picture

    8. WIRING DIAGRAM 8.2 Control board picture Indoor unit 30K-60K：2081806 Description Description L_IN Humidity sensor Wi-Fi SI-IN Wired controller Pump motor Hinano Fire coupling/Access interface DC fan motor Display board Electric Reactor Ambient temp.sensor Indoor coil temp. sensor Earth Nanoe N-IN Water level switch...
  • Page 45 8. WIRING DIAGRAM Outdoor unit 30K/36K：2284932 4 5 6 Description Description 4-way value EEPROM Flashing L/N Power input Filter Electrolytic Capacitor Compressor overheat protector Main realy Discharge Temp Sensor Electric Reactor wire Coil Temp Sensor Bridge Rectifier Ambient Temp Sensor To DRED board IGBT Power Diode...
  • Page 46 8. WIRING DIAGRAM 42K/48K/60K：2314885 Description Description PTC signal from filter board Electronic expansion valver AC In from filter board Coil temp.sensor Electric heating belt Ambient temp.sensor 4-Way valve SI-N Discharge temp.sensor Overheat switch Low pressure switch Upper DC fan motor High pressure switch Dower DC fan motor...
  • Page 47 8. WIRING DIAGRAM 2093111 Description LOUT Earth PTC signal NOUT...

  • Page 48: Common Wiring

    8. WIRING DIAGRAM 8.3 Common wiring Recommend wire size Electrical data Power Source Transmitting Cable Size Cable Size Circuit Model Ca p acit y Powe r Su pp l y Breaker Nominal Nominal Sensitive Current Current IEC60335-1*1 IEC60335-1*1 ( m A) 30K/36K 220-240V~/50Hz 3x2.5mm...

  • Page 49: Field Setting

    9. FIELD SETTING 9. Field setting 9.1 DIP Setting DIP Switch Setting of Outdoor Unit (Optional setting) 1. Turn on the power before setting the S4-2/S4-3 DIP switches, and dial the switches from OFF to ON. Without turning on, the switches settings are not refreshed and might be invalid. 2.
  • Page 50 9. FIELD SETTING Step 3: Switch on the machine power. Step 4: Switch S4-2 to ON position on the checker board, the outdoor unit starts, and the current frequency value is displayed on the LED digital tube of the checker board. Step 5: The frequency value will keep changing until "CLOS"...

  • Page 51: Esp Setting (Duct Type Only)

    9. FIELD SETTING 9.2 ESP setting (Btu/h) 30-250, function code value equals static pressure value 30-250Pa 30-60K [default: 130(130Pa,30K/36K); 150(150Pa,42K/48K/60K)] YXE-C01U2(E) Fig 6.2.2 Static pressure setting : Press both “ ” button and “ ” button for 3 seconds, to enter the parameter self-setting state. Then, icon “...

  • Page 52: Indoor Unit Parameter Revision

    9. FIELD SETTING 9.3 Indoor unit parameter revision Internal control parameter adjustment can be performed using wired controller YXE-C01U2(E ) 1) Connecting wired controller with the indoor unit Step 1: Remove the upper cover of the wired controller Upper cover of the wired controller Lower cover of the wired controller Insert a normal screw driver into the position, and gently rotate...
  • Page 53 9. FIELD SETTING PARAMETER VALUE&REPRESENTATION PARAMETER PARAMETER NOTE DATA REPRESENTATION CODE DESCRIPTION TYPE (FUNCTION CODE) 0：Cancel Self Recovery of Power Self Recovery of Break function； Integer Power Break 1：Self Recovery of Power Break； others：invalid 0：Centigrade Temperature； Temperature Type Integer 1：Fahrenheit Temperature； others：invalid 0：Default display set temperature；...

  • Page 54: Running Parameters Check

    9. FIELD SETTING 9.4 Running parameter check Running parameter can be referred to by 7 segment display or specified wired remote controller. Check by wired controller Operation: YXE-C01U2(E) 确定 OPERATION: Hold down both "MODE" button and "FUNC" button for 3 seconds, then the "CHEC." and "ADD."...

  • Page 55: Instructions For The Function Setting Of Access Control,Fire Protection

    9. FIELD SETTING 9.5 Instructions for the function setting of access control,fire protection 9.5.1Factory setting In case of using or canceling the access control / fire protection function, use the wired controller to modify the parameters of indoor unit. NOTE: please refer to “Site Setting” section in TC Manual for how to use the wired controller to modify the parameters of indoor unit.
  • Page 56 9. FIELD SETTING ● Access control Access control1: 1) Control of entrance card disconnection: The air conditioner shall be shut down after the access control signal is disconnected for 30 seconds. In this state, the indoor unit can’t be started. If the user performs starting operation, the wired controller shall not respond and displays power-off.
  • Page 57 9. FIELD SETTING ● ON/OFF2 1) In the situation where ON/OFF2 function is enabled, the indoor unit starts with the action of the port is from closed(in short circuit) to disconnected; the indoor unit shuts down with the action of the port is from disconnected to closed;...

  • Page 58: Piping Work And Refrigerant Charge

    10. PIPING WORK AND REFRIGERANT CHARGE 10. Piping work and refrigerant charge 10.1 MAX. length allowed The shorter the refrigerant piping length is, the better. So the connecting pipe should be as short as possible. Outdoor unit Pipe length L Pipe length L Indoor unit Height difference H...

  • Page 59: Air Tight Test

    10. PIPING WORK AND REFRIGERANT CHARGE NOTE: 1. To avoid storing too much oil in the oil bend, the oil bend should be as short as possible. 2. The horizontal piping should slope down along the refrigerant flow direction, to bring the oil back to compressor, the slop is about 1/200 to1/250.

  • Page 60: Installation Tools And Installation Flow Chart

    11. INSTALLATION TOOLS AND INSTALLATION FLOW CHART 11. Installation tools and installation flow chart 11.1 Necessary tools and instrument list for installation Tool Tool Tool Tool Handsaw Copper Pipe Bender Spanner Leveler Phillips Clamper for Solder- Manual Water Pump Charging Cylinder Screwdriver less Terminals Hoist...

  • Page 61: Installation Flow Chart

    11. INSTALLATION TOOLS AND INSTALLATION FLOW CHART 11.2 Installation flow chart Drawing audit Preparation before installation Confirm installation location of indoor unit and outdoor unit Indoor unit installation Refrigerant piping Electrical wiring Drain piping installation Duct installation installation Heat insultation Outdoor unit installation Vacuum pumping and leakage detection Additional refrigerant charge...

  • Page 62: Control Mode

    12. CONTROL MODE 12. Control mode 12.1 Indoor unit control mode 1. Functions of the controller Control function 1.1 Operator-machine communication Air conditioning and remote controller is provided with a temperature sensor. The remote controller on the temperature sensor detects the default settings of room temperature at room temperature.
  • Page 63 12. CONTROL MODE 1.7 Dehumidifying method If remote control setting is in dehumidifying mode, indoor unit is forced to run at low speed (high power key or a strong bond also maintains a low wind speed), and the outdoor unit runs according to the refrigeration mode operation.

  • Page 64: Outdoor Unit Mode Control

    12. CONTROL MODE 12.2 Outdoor unit control mode 1.1 Cooling anti-freeze protection The indoor coil sensor functions as real time temperature detector of evaporator. It prevents the indoor unit evaporator temperature becoming too low. If the indoor coil temperature is too low, the compressor will automatically start the protection mode.

  • Page 65: Sensor Parameter

    13. SENSOR PARAMETER 13. Sensor parameter 1. THE PARAMETER OF OUTDOOR COMPRESSOR DISCHARGE TEMPERATURE SENSOR:(R 0 =187.25K±6.3%；R 100 =3.77K±2.5K；B0/100=3979K±1%) DR: Deviation Rate DR(MIN)%=（Rmin-Rnom）/Rnom*100% DR(MAX)%=（Rmax-Rnom）/Rnom*100% Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% T [℃ ] 908.2603 985.5274 1065.1210...
  • Page 66 13. SENSOR PARAMETER Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% T [℃ ] 71.2227 75.3122 79.3848 -5.43 5.13 68.1036 71.9808 75.8414 -5.39 5.09 65.1373 68.8141 72.4746 -5.34 5.05 62.3155 65.8032 69.2746 -5.30 5.01 59.6306 62.9395 66.2324...
  • Page 67 13. SENSOR PARAMETER Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% T [℃ ] 8.0951 8.3705 8.6440 -3.29 3.16 7.8290 8.0926 8.3544 -3.26 3.13 7.5730 7.8252 8.0758 -3.22 3.10 7.3264 7.5679 7.8078 -3.19 3.07 7.0891 7.3202 7.5499...
  • Page 68 13. SENSOR PARAMETER 2. THE PARAMETER OF THE OTHER SENSOR IN INDOOR AND OUTDOOR UNIT： (R 0 =15K±2%；B0/100=3450K±2%) Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% T [℃ ] 60.78 64.77 68.99 -6.16 6.12 57.75 61.36 65.16...
  • Page 69 13. SENSOR PARAMETER Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% T [℃ ] 5.667 5.882 6.103 -3.66 3.62 5.449 5.664 5.886 -3.80 3.77 5.240 5.456 5.678 -3.96 3.91 5.048 5.260 5.478 -4.03 3.98 4.864 5.072 5.286...
  • Page 70 13. SENSOR PARAMETER Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% T [℃ ] 0.8570 0.9246 0.9971 -7.31 7.27 0.8316 0.8977 0.9687 -7.36 7.33 0.8071 0.8717 0.9412 -7.41 7.38 0.7834 0.8466 0.9146 -7.47 7.43 0.7604 0.8223 0.8888...
  • Page 71 13. SENSOR PARAMETER B25/50=4100±3%，R25=15KΩ±3% Temp Resistance（KΩ） Temp Resistance（KΩ） Rmax R(t)Normal Rmin Rmax R(t)Normal Rmin （℃） （℃） 174.809 160.098 145.38 7.178 6.857 6.543 165.347 150.828 137.177 6.894 6.581 6.275 155.615 142.154 129.492 6.626 6.32 6.021 146.51 134.03 122.288 6.369 6.069 5.777 137.985 126.417 115.526...

  • Page 72: Troubleshooting

    14. TROUBLESHOOTING 14. Troubleshooting 14.1 Trouble guide Troubleshooting for Normal Malfunction Trouble shooting Possible Reason for Abnormality How to Deal With 1. Check power supply circuit; 2. Measure insulation resistance to 1. Power supply failure; ground to see if there is any 2.Trip of breaker or blow of fuse；...

  • Page 73: Display Panel

    14. TROUBLESHOOTING Display panel Lamp RUN (LED2, Red) and Lamp DEFROST (LED5, Green) flash. Lamp RUN displays fault code represented by 2- digit number, and lamp DEFROST displays fault code represented by single digit number (as shown fig. below). For example,fault code 36: LED RUN & defrost flash 3 times at the same time, and LED DEFROST continues flashing 3 times, it reports No.
  • Page 74 14. TROUBLESHOOTING How to check fault codes Troubleshooting according to fault codes When the air conditioner failure occurs, the fault code will display on control board, or maintenance board. 30K/36K 42K/48K/60K : Ten’s place (LED1) : Unit’s place (LED2) : Drive failure indicator (LED3) Fault code displayed by LED lamps on outdoor main control board.
  • Page 75 14. TROUBLESHOOTING For example, outdoor drive fault 32: Outdoor unit Fault code displayed on checker board(42K/48K/60K) Fault code/drive fault code will be displayed on checker board. Display ERROR code 7-segment display shows failure occur Digital Display Switch Introduction It can be used to check outdoor running parameters.
  • Page 76 14. TROUBLESHOOTING 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 parameter , “A.”-indoor unit parameter； 2) INCREASE button：Each time it is pressed, the number rises by 1,hold down it, the number will be rapidly increase;...

  • Page 77: Fault Codes

    14. TROUBLESHOOTING 14.2 Fault codes The following is the fault code table of outdoor unit. 30K/36K When the unit has the following trouble and the compressor stops running, The LED of outdoor control board will show the error sequence automatically: NOTE: LIGHT O FLASH ×...
  • Page 78 14. TROUBLESHOOTING a. the connection wires connect loose a. Reconnect the wires; Communication trouble between b. the outdoor board or drive board is × ★ ★ outdoor unit and driver b. Replace the outdoor control board. failure; a. he EEPROM chip is loose; Outdoor EEPROM in trouble b.
  • Page 79 14. TROUBLESHOOTING a. The IPM board is failure; a. Replace the IPM board b. The outdoor fan is broken; b. Replace the outdoor fan ; c. The outdoor fan motor is failure; c. Replace the outdoor fan motor; IPM module protection ×...
  • Page 80 14. TROUBLESHOOTING 42K/48K/60K Table 1 Outdoor fault code Fault Fault description Possible reasons for abnormality How to deal with Remarks code 1.Reconnect the outdoor 1.The outdoor ambient temperature ambient temperature sensor; Outdoor ambient sensor is connected loosely; 2.Replace the outdoor ambient temperature sensor 2.The outdoor ambient temperature temperature sensor...
  • Page 81 14. TROUBLESHOOTING Fault Fault description Possible reasons for abnormality How to deal with Remarks code 1. Reconnect the wiring of the 1. The wiring of the overload overload protector; protector is connected loosely. 2. Replace the overload 2. The overload protector fails . protector;...
  • Page 82 14. TROUBLESHOOTING Fault Fault description Possible reasons for abnormality How to deal with Remarks code 1.Check the welding point to 1.The refrigerant of the unit is not confirm whether the unit has enough; leakage point, and then add 2.The refrigerant of the unit is not some refrigerant.
  • Page 83 14. TROUBLESHOOTING The following is the fault code table of indoor unit. Table 2 Indoor Fault code Fault Remarks Fault description Possible reasons for abnormality How to deal with code 1.Reconnect the cable of the 1.The cable of the humidity humidity sensor;...
  • Page 84 14. TROUBLESHOOTING Fault Fault Description Possible Reason of Abnormality How to Deal With Remarks code 1. The cable of the room 1. Reconnect the cable of the temperature room sensor connect loose; temperature sensor; Indoor ambient 2. The room temperature sensor 2.
  • Page 85 14. TROUBLESHOOTING NOTE 1: If the indoor unit can not start or the indoor unit turn off itself after 30s, at the same time the unit does not display the fault code, please check the fire and the socket of the control board. NOTE 2: If the indoor unit displays the 08,09 fault code after you turn on the unit, please check the TEST seat of the indoor control board or the TEST detection circuit whether short circuit exits.
  • Page 86 14. TROUBLESHOOTING Table 5 Analysis of the driving board fault (42K/48K/60K) Fault Fault description Possible reasons for abnormality How to deal with code Inverter DC voltage overload fault 1. Power supply input is too high 1. Check the power supply; Inverter DC low voltage fault or too low;...
  • Page 87 14. TROUBLESHOOTING Fault Fault description How to deal with Possible reasons for abnormality code 1. The fan motor system overloads; 1. Check whether the air inlet/outlet is Motor software seriously dirty. 2. The drive board fails; over-current 2. Change the drive board; 3.
  • Page 88 14. TROUBLESHOOTING Table 6 Limitation Code Definitions Descriptions Code When overcurrent occurs, stop the frequency from Current control increasing. When overcurrent occurs, reduce the frequency. Current control When the temperature of IPM module is too high, Frequency control to keep appropriate temperature stop the frequency from increasing.

  • Page 89: Checking Components

    15. CHECKING COMPONENTS 15. Checking components 15.1 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.
  • Page 90 15. CHECKING COMPONENTS Heating mode Test system pressure. Is the high The pressure on the pressure normal at high side. service part ? Recharge refrigerant Remove the back after air purging with The pressure on the panel."see"the the vacuum low side. capillary tube1 and pump.

  • Page 91: Check Parts Unit

    15. CHECKING COMPONENTS 15.2 Check parts unit 1. Indoor fan motor Ducted motor model (DC motor) : ZW702F000019 BLUE blue-red：2.2Ω±7%（25℃） blue-black：2.2Ω±7%（25℃） red-black：2.2Ω±7%（25℃）) BLACK 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).
  • Page 92 15. CHECKING COMPONENTS 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). Notes: Please don’t hold motor by leading wires. Please don’t plug IN/OUT the motor connector while power ON. Please don’t drop hurl or dump motor against hard material.
  • Page 93 15. CHECKING COMPONENTS 4. INDUCTANCE Familiar error: 1）Sound abnormality 2）Insulation resistance disqualification. 5 . FUSE Checking continuity of fuse on PCB ASS’Y. Remove the PCB ASS’Y from the electrical component box. Then pull out the fuse from the PCB ASS’Y (Fig.1) Check for continuity by a multimeter as shown in Fig.2.
  • Page 94 15. CHECKING COMPONENTS 7. 4 way coil 30K/36K:1511783 ,2000Ω±10% Test way:At 25℃，Use multimeter to test the resistence between two harness ： 42K/48K/60K:1302932,2000Ω±10% Test way:At 25℃，Use multimeter to test the resistence between two harness ： 8. Pressure Switch High pressure switch part number:1820202 Break(MPa):4.4±0.15 Connect(MPa):3.4±0.2 Low pressure switch part number:1820199...

  • Page 95: Disassembly And Assembly For Compressor And Motor

    DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR 、MOTOR AND ElECTRICAL BOX 16. Disassembly and assembly for compressor 、 motor and Electrical box The special tools for compressor & motor & electrical boxdisassembly and assembly： Tool Hexagon Screwdriver Hexagon Socket Indoor unit Removal and Assembly of Fan Motor Important:Before removing the fan，make sure power to the system is disconnected.
  • Page 96 DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR 、MOTOR AND ElECTRICAL BOX 16. Disassembly and assembly for compressor 、 motor and Electrical box Removal and Assembly of E-BOX Important:After assembly the E-box，make sure power to the system is disconnected. Step IIIustration Handling Instruction 1.Remove the E-box cover Remove the screws from the electrical box cover and...
  • Page 97 DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR 、MOTOR AND ElECTRICAL BOX Outdoor unit 30K/36K...
  • Page 98 DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR 、MOTOR AND ElECTRICAL BOX 42K/48K/60K Important: Before disassembly and assembly, make sure that the power to the system has been disconnected and verified as voltage free. Step Illustration Handling Instruction 1.Remove the top cover, handle and valve cover;...

  • Page 99: Control Logic Description

    17. CONTROL LOGIC DESCRIPTION 17. Control logic description 17.1 Fan Only Mode (1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no setting temperature is displayed. (3) Indoor fan can be set to high/medium/low, but can not be set to auto. 17.2 Cooling Mode Indoor fan running rules: In cooling mode, indoor fan runs all the time and the speed can be selected as...
  • Page 100 17. CONTROL LOGIC DESCRIPTION OutFanSpeed HIGH SLOW OutAirTemp 17.3 Heating Mode Indoor fan running rules: In several minutes after the heating mode is started, the fan of the indoor unit will not run until the heat exchanger of the indoor unit reaches a high enough temperature. That is because cold air prevention system is operating.
  • Page 101 17. CONTROL LOGIC DESCRIPTION 17.5 Evaporator Low-temperature Protection When the indoor coil temp keeps lower than T1 for 3 minutes, the compressor and outdoor fan will shut off. When temp is higher than T2, the compressor and outdoor fan will restart 17.6 Condenser High-temperature Protection When the condenser coil temp keeps higher than T2, the compressor and outdoor fan will shut off.
  • Page 102 Product improvement, specifications and appearance in this manual are subject to change without prior notice.

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