Aqua 1U48NC1QRB Service Manual
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Aqua 1U48NC1QRB Service Manual

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1U48NC1QRB
1U48NC1QAB
Service Manual
SYJS-06-2017 REV.A
Edition: 2020-03
1

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Summary of Contents for Aqua 1U48NC1QRB

  • Page 1 1U48NC1QRB 1U48NC1QAB Service Manual SYJS-06-2017 REV.A Edition: 2020-03...

  • Page 2: Table Of Contents

    CONTENTS 1. Specification ......................1 2. Dimension......................3 3. Piping diagram.....................5 4. Installation ......................7 4.1 Cabinet installation ..................7 4.2 Outdoor installation..................17 5. Performance data ....................35 6. Wiring Diagram ....................36 7. Air Flow chart ....................39 8. Noise level ......................40 9. PCB photo, Dip Switch and Control Function ...........41 10.

  • Page 3: Specification

    1. Specification AP48KC1QRA AP48KC1QRA Factory Model 1U48NC1QAB 1U48NC1QRB Power supply V-ph-Hz 230-1-50 230-1-50 Capacity Btu/h 45731 47792 Cooling Capacity 13400 14000 3.04 2.97 Model Y7S059B802 Y7S059B802 Indoor fan Input motor Capacitor 8uf 450V 8uf 450V Speed(hi/mi/lo) r/min 480/450/410/350 480/450/410/350 a.Number of rows b.Tube pitch(a)x row...
  • Page 4 Factory Model Cooling only 1U48NC1QRB 1U48NC1QAB Power supply V-ph-Hz 400-1-50 400-1-50 Power input 4700 4400 current Max. input consumption 5900 5700 Max. input current Model ATH307CDPC8DQ LN48YRNMC Type ROTARY ROTARY Brand Shanghai Highly MITSUBISHI Capacity 8600 12092 Input 2775 4038...

  • Page 5: Dimension

    2. Dimension Indoor AP48KC1QRA...
  • Page 6 Outdoor 1U48NC1QAB 1U48NC1QRB 您正在使用 ZWCAD 2008i 试用版 详情请查阅WWW.ZWCAD.COM...

  • Page 7: Piping Diagram

    3. Piping diagram 1U48NC1QAB Defrosting temp.sensor Ddischarging temp.sensor Indoor coil temp.sensor...
  • Page 8 1U48NC1QRB Defrosting temp.sensor Ddischarging temp.sensor Indoor coil temp.sensor...

  • Page 9: Installation

    4. Installation Cabinet installation AP48KC1QRA AP48KC1QRA...
  • Page 14 Installation figure please refers to AP48KC1QRA...
  • Page 16 —...
  • Page 17 The [parameter of connection cable is H05RN-F 4G 2.5mm The specification of power cable For models 1U48NC1QRB the power cable should be H07RN-F 5G 4.0mm...
  • Page 18 Power supply:380-4 1 5V,3N~,50Hz Power supply:380-4 1 5V,3N~,50Hz 1U48NC1QRB 1U48NC1QAB 1U48NC1QRB 1U48NC1QAB...

  • Page 19: Outdoor Installation

    Outdoor installation EUROPEAN REGULATIONS IMPORTANT INFORMATION REGA- CONFORMITY FOR THE MODELS RDING THE REFRIGERANT USED Contains fluorinated greenhouse gases covered by the Kyoto Protocol All the products are in conformity with the following European provision: R410A -Low voltage Directive -Electomagnetic Compatibility ROHS The products are fulfilled with the requirements in the directive 2011/65/EU of the European parliament and of...
  • Page 20 WARNING f the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. his appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.

  • Page 21: Safety Considerations

    1. Definitions Service company: Qualified company which can perform or coordinate the required serice to the unit. 1.1. Meaning of warnings and symbols Applicable legislation: Warnings in this manual are classified according to their All international, European, national and local directives, severity and probability of occurrence.
  • Page 22 When service panels are removed, live parts can easily Make sure that all wiring is secure, using the specified be touched by accident, Never leave the unit unattended wires and ensuring that external forces do not act on the during installation or servicing when the service panel is terminal connections or wires.
  • Page 23 oudoor unit type. oudoor unit type. In order to ensure the product effect and product life, it ~1U6 units. is recommended to install the voltage stabilizerin the area with unstable voltage In order to ensure the product effect and product life, it Read "9.Precautions on refrigerant piping"...

  • Page 24: Selecting Installation Site

    3.5. Accessories - Do not climb, sit or stand on top of the unit. - Be sure that sufficient precautions are taken, in Check if the following accessories are included with the unit: accordance with applicable legislation, in case of See the figure below for the location of the accessories.

  • Page 26: Precautions On Installation

    5. Precautions on installation If the coating on the fastening area is stripped off, the nuts rust easily. Dimensions (bottom view)(unit of measurement:mm) NOTICE If drain holes of the outdoor unit are covered by a mounting base or by floor surface, raise the unit in order to provide a free space of more than 130mm under the outdoor unit.

  • Page 27: Refrigerant Pipe Size And Allowable Pipe Length

    5.3. Drain pipe disposal When barriers exist above the unit Make sure the drain works properly. In regions where buildups of snow can be expected, the accumulation and freezing of snow in the space between the heat exchanger and external plate may lower operating efficiency.

  • Page 28: Necessary Tools And Materials

    6.1. Necessary Tools and Materials Prepare the following tools and materials necessary for installing and servicing the unit. Necessary tools for use with R410A(Adaptability of tools that are for use with R22 and R407C). 1. To be used exclusively with R410A ( Not to be used if used with R22 or R407C ) Tools/Materials Notes Gauge Manifold...

  • Page 29: Piping Materials

    6.2. Piping Materials Types of Copper Pipes (Reference) Maximum Operation Pressure Applicable Refrigerants 3.4MPa R22, R407C 4.3MPa R410A Use pipes that meet the local standards. Piping Materials/Radial Thickness Use pipes made of phosphorus deoxidized copper. Since the operation pressure of the units that use R410A is higher than that of the units for use with R22, use pipes with at least the radial thickness specified in the chart below.

  • Page 30: Refrigerant Piping

    Total 1-way piping length: 50m. Model Pipe Diameter of pipe Connecting method 9.52mm 1U48NC1QRB Flaring connection 1U48NC1QAB of the unit to be replaced. Gas pipe 19.05mm A correct pump down operation can be executed: - Operate the unit continuously for 30minutes in cooling mode.
  • Page 31 Precautions for refrigerant piping Cutting out the two slits makes it possible to install as shown in the figure "Field pipes in 4 directions". Do not twist or crush piping. (Use a metal saw to cut out the slits.) Be sure that no dust is mixed in piping. To install the connecting pipe to the unit in a downward Bend piping with as wide angle as possible.

  • Page 32: Leak Test And Vacuum Drying

    If the temperature is higher than 30 and the humidity is higher than RH 80 , then thickness of the sealing materials NOTICE should be at least 20mm in ouder to avoid condensation on the surface of the sealing. Do not purge the air with refrigerants. Use a vacuum Be sure to insulate the liquid and gas-side field piping.

  • Page 33: Charging Refrigerant

    This unit requires additional charging of refrigerant according to the length of refrigerant piping connected INFORMATION at the site. Make sure to charge the refrigerant in liquid state to the After opening the stop valve, it is possible that the liquid pipe.

  • Page 34: Electrical Wiring Work

    50VDC or less. formula : Q=(A+(L-30)*B)/4-C Model Factory oil charging NOTICE 1U48NC1QRB 1070 1U48NC1QAB To persons in charge of electrical wiring work: Do not oerate the unit until the refrigerant piping is complete. (Running it before the piping is ready will break the compressor.)
  • Page 35 Use only copper wires. Use only copper wires. A main switch or other means for disconnection, having A main switch or other means for disconnection, having Power Supply Power Supply Model Model Cable Size Cable Size a contact separation in all poles, must be incorporated a contact separation in all poles, must be incorporated H05RN-F 3G H05RN-F 3G...

  • Page 36: Specifications Of Standard Wiring Components

    Form the wires and fix the cover fimmly so that the cover may be fit in properly. When you do not use a wire conduit, be sure to protect the wires with vinyl tubes to revent the edge of the knock- out hole from cutting the wires.

  • Page 37: Performance Data

    5. Performance data 1U48NC1QRB-AP48KC1QRA Indoor temperature (°C) Outdoor 27/19 25/17 23/16 temperature Cooling Cooling Cooling Power Power Power (°C) capacity capacity capacity input (kw) input (kw) input (kw) (kw) (kw) (kw) 16.00 4.57 3.50 15.30 4.64 3.30 14.7 4.59 3.20 15.50...

  • Page 38: Wiring Diagram

    6. Wiring Diagram Indoor unit AP48KC1QRA...
  • Page 39 Outdoor unit 1U48NC1QRB...
  • Page 40 1U48NC1QAB...

  • Page 41: Noise Level

    7. Noise level AP48KC1QRA-1U48NC1QAB Sound Pressure Level 70.00 60.00 50.00 40.00 30.00 Cooling 20.00 10.00 0.00 1/3 octave frequency (Hz) AP48KC1QRA-1U48NC1QRB Sound Pressure Level 60.00 50.00 40.00 30.00 20.00 Cooling 10.00 0.00 1/3 octave frequency (Hz)

  • Page 42: Pcb Photo, Dip Switch And Control Function

    8. PCB photo, Dip Switch and Control Function AP48KC1QRA 0151800327Y...
  • Page 43 1U48NC1QRB 0151800310Y...
  • Page 44 1U48NC1QAB 0010452441AY...

  • Page 45: Dip Switch Setting

    Dip switch setting 1-ON, 0-OFF Model Dip switch setting (SW01) AP48KC1QRA 0151800327Y 0010 Model Dip switch setting (SW01) 1U48NC1QRB 0151800310Y 0000 Model Dip switch setting (SW01) 1U48NC1QAB 0010452441AY 1100...

  • Page 46: Failure Code

    9. Failure code AP48KC1QRA TROUBLE SHOOTING 0150533044 Indoor Outdoor Panel Trouble Description fault code fault code fault code Float switch fault Indoor temperature sensor abnormal Indoor evaporator sensor abnormal Outdoor ambient temp. sensor abnormal Outdoor condenser tube temp. sensor abnormal Compressor overcurrent Outdoor coil sensor abnormal...
  • Page 47 1U48NC1QRB...

  • Page 48: Troubleshooting

    1U48NC1QAB TROUBLE SHOOTING 0150515380 Flash times Trouble Description Analyze and diagnose Remark of LED Outdoor ambient Sensor broken down or short Resumable temp. sensor abnormal circuit After compressor starts up,if Protection of d ischarging TD is over120℃,10seconds Resumable temp. too high or sensor later compressor stops abnormal Power supply phase...

  • Page 49: Remote Controller

    10. Remote controller...

  • Page 54: Sensor Characteristic

    Ambient temp.sensor 0010451323 B25/50=4200K±1% AP48KC1QRA R25=10KΩ±3% Coil temp.sensor 0010401922 B25/50=3700K±3% R25=10KΩ±3% Ambient temp.sensor 001A3900110 B25/50=3700K±3% R25=10KΩ±3% Coil temp.sensor 0010451314 B25/50=3700K±3% 1U48NC1QRB R25=10KΩ±3% Discharging temp.sensor 0010450398 B25/50=3700K±3% R25=50KΩ±3% Suction temp.sensor 001A3900062E B25/80=4450K±3% R25=5KΩ±3% Ambient temp.sensor 001A3900110 B25/50=3450K±3% 1U48NC1QAB R25=5KΩ±3% Coil temp.sensor 0010451314 B25/50=3450K±3%...
  • Page 55 R25=10KΩ±3% B25/50=3700K±3% Temp Resistance (KΩ) % (resist.tol) (°C) Rmax R (t) Normal Rmin MAX(+) MIN(-) 145.819 135.018 124.217 138.071 129.126 120.181 6.93 6.93 131.793 123.339 114.885 6.85 6.85 125.665 117.684 109.703 6.78 6.78 119.706 112.18 104.654 6.71 6.71 113.933 106.843 99.753 6.64 6.64...
  • Page 56 R25=10KΩ±3% B25/50=3700K±3% Temp Resistance (KΩ) % (resist.tol) (°C) Rmax R (t) Normal Rmin MAX(+) MIN(-) 15.061 14.53 13.999 3.65 3.65 14.424 13.925 13.426 3.58 3.58 13.817 13.349 12.881 3.51 3.51 13.24 12.8 12.36 3.44 3.44 12.69 12.277 11.864 3.36 3.36 12.166 11.778 11.39...
  • Page 57 R25=10KΩ±3% B25/50=3700K±3% Temp Resistance (KΩ) % (resist.tol) (°C) Rmax R (t) Normal Rmin MAX(+) MIN(-) 2.721 2.585 2.449 5.25 5.25 2.63 2.497 2.364 5.31 5.31 2.543 2.413 2.283 5.38 5.38 2.459 2.332 2.205 5.44 5.44 2.379 2.255 2.131 2.301 2.18 2.059 5.56 5.56...
  • Page 58 R25=5KΩ±3% B25/50=4450K±3% Temp Resistance (KΩ) % (resist.tol) (°C) Rmax R (t) Normal Rmin MAX(+) MIN(-) 67.148 62.209 57.268 7.94 7.94 63.782 58.887 54.289 8.31 7.81 60.323 55.769 51.487 8.17 7.68 57.079 52.841 48.85 8.02 7.55 54.036 50.088 46.367 7.88 7.43 51.178 47.499 44.028...
  • Page 59 R25=5KΩ±3% B25/50=4450K±3% Temp Resistance (KΩ) % (resist.tol) (°C) Rmax R (t) Normal Rmin MAX(+) MIN(-) 7.398 7.137 6.879 3.66 3.61 7.099 6.854 6.611 3.58 3.54 6.814 6.583 6.355 3.51 3.47 6.542 6.325 6.11 3.43 6.283 6.079 5.876 3.36 3.33 6.035 5.843 5.652 3.29...
  • Page 60 R25=5KΩ±3% B25/50=4450K±3% Temp Resistance (KΩ) % (resist.tol) (°C) Rmax R (t) Normal Rmin MAX(+) MIN(-) 1.502 1.434 1.368 4.73 4.62 1.456 1.39 1.326 4.76 4.65 1.413 1.348 1.285 4.68 1.37 1.307 1.245 4.83 4.72 1.33 1.268 1.208 4.87 4.75 1.29 1.23 1.171 4.78...
  • Page 61 Haier Commercial Air Condition Web: Http://www.haier.com Haier reserves the right to make change without any notice.

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