mundoclima H10X Series Service Manual
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mundoclima H10X Series Service Manual

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MUPR-H10X
R32
Service manual
CL20030 ~ CL20033
www.mundoclima.com

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  • Page 1 MUPR-H10X Service manual CL20030 ~ CL20033 www.mundoclima.com...
  • Page 2 Service manual H10X series Table of Contents §. Safety Precautions Precautions Information servicing (For flammable materials) §. Specifications Model Reference Pipe length and the Drop Height Electrical Wiring Diagrams §. Product Features Display Function Safety Features Basic Features Optional Features §.
  • Page 3 Service manual H10X series Table of Contents §. Troubleshooting Safety Caution General Troubleshooting Complain Record Form Information Inquiry Error Diagnosis and Troubleshooting Without Error Code Quick Maintenance by Error Code Troubleshooting by Error Code Check Procedures Appendix Temperature Sensor Resistance Value Table for T1,T2,T3 and T4 (°C – K) Temperature Sensor Resistance Value Table for TP(for some units) (°C –...
  • Page 4 Service manual H10X series Safety Precautions Contents Precautions ......................2 Information servicing(For flammable materials) ..........3...
  • Page 5 Service manual H10X series 1. Precautions CAUTION To prevent personal injury, or property or unit damage, While unpacking be careful of sharp edges around adhere to all precautionary measures and instructions the unit as well as the edges of the fins on the con- denser and evaporator.
  • Page 6 Service manual H10X series 2. Information servicing (For • Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable flammable materials) hazards or ignition risks. • NO SMOKING signs shall be displayed.
  • Page 7 Service manual H10X series • that capacitors are discharged: this shall be done in shall also take into account the effects of aging or a safe manner to avoid possibility of sparking; continual vibration from sources such as compressors or fans.
  • Page 8 Service manual H10X series • The refrigerant charge shall be recovered into the • Before attempting the procedure ensure that: correct recovery cylinders. The system shall be flushed • mechanical handling equipment is available, if with OFN to render the unit safe. This process may required, for handling refrigerant cylinders;...
  • Page 9 Service manual H10X series • Empty recovery cylinders are evacuated and, if • The recovered refrigerant shall be returned to the possible, cooled before recovery occurs. refrigerant supplier in the correct recovery cylinder, and the relevant Waste Transfer Note arranged. Do not •...
  • Page 10 Service manual H10X series Specifications Contents Model Reference ....................2 Pipe Length and Drop Height ................3 Electrical Wiring Diagrams ..................4...
  • Page 11 Service manual H10X series 1. Model Reference Refer to the following table to determine the specific indoor and outdoor unit model. Indoor Unit Model Outdoor Unit Model Capacity (Btu/h) Power Supply MUPR-09-H10X-I MUPR-09-H10X-E MUPR-12-H10X-I MUPR-12-H10X-E 220-240V~, 50Hz, 1Phase MUPR-18-H10X-I MUPR-18-H10X-E...
  • Page 12 Service manual H10X series 2. Pipe Length and Drop Height The length and elevation of connection pipe are shown in the table below. if the pipe length exceeds max pipe length, additional refrigerant should be charged to ensure nominal cooling/heating capacity.
  • Page 13 Service manual H10X series 3. Electrical Wiring Diagrams Indoor and outdoor unit wiring diagram Indoor Unit Outdoor Unit IDU Model IDU Wiring Diagram ODU Model ODU Wiring Diagram MUPR-09-H10X-I MUPR-09-H10X-E 16022000019533 MUPR-12-H10X-I MUPR-12-H10X-E 16022000034214 MUPR-18-H10X-E MUPR-18-H10X-I 16022000B13817 MUPR-24-H10X-E MUPR-24-H10X-I Outdoor unit printed circuit board diagram...
  • Page 14 Service manual H10X series Indoor unit abbreviations Abbreviation Paraphrase Yellow-Green Conductor Positive and Negative Ion Generator Capacitor PLASMA Electronic Dust Collector LIVE NEUTRAL Outdoor unit abbreviations Abbreviation Paraphrase 4-WAY Gas Valve Assembly/4-WAY VALVE AC-FAN Alternating Current FAN DC-FAN Direct Current FAN...
  • Page 15 Service manual H10X series (MUPR-09/12/18/24-H10X-I)
  • Page 16 Service manual H10X series Outdoor unit wiring diagram: 16022000019533 (MUPR-09/12-H10X-E)
  • Page 17 Service manual H10X series (MUPR-18/24-H10X-E)
  • Page 18 Service manual H10X series Outdoor unit printed circuit board diagram: 17122000044714, 17122000048121 (MUPR-09/12-H10X-E)
  • Page 19 Service manual H10X series Name Meaning Earth: connect to Ground N_in: connect to N-line (208-230V AC input) CN1A L_in: connect to L-line (208-230V AC input) CN16 S: connect to indoor unit communication HEAT1 CN17 connect to compressor heater, 208-230V AC when is ON...
  • Page 20 Service manual H10X series Outdoor unit printed circuit board diagram: 17122000048064 (MUPR-18/24-H10X-E)
  • Page 21 Service manual H10X series Name Meaning Earth: connect to Ground Power Supply N_in: connect to N-line (208-230V AC input) L_in: connect to L-line (208-230V AC input) S: connect to indoor unit communication 4-WAY CN60 connect to 4 way valve, 208-230V AC when is ON.

  • Page 22: Table Of Contents

    Service manual H10X series Product Features Contents Display Function ....................2 Safety Features ......................3 Basic Functions .......................4 Abbreviation ....................4 Fan Mode ......................4 Cooling Mode ....................4 Heating Mode(Heat Pump Units) ..............5 Auto-mode ....................6 Drying Mode ....................7 Forced Operation Function ................7 Timer Function ....................7 Sleep Function ....................7...

  • Page 23: Display Function

    Service manual H10X series 1. Display Function Unit display functions Display Function ECO function (available on select units only) when Wireless Control feature is activated(some units) Temperature value Temperature Timer ON is set. Activation of , Fresh, Swing, Turbo, ECO, Breeze away, ECO...

  • Page 24: Safety Features

    Service manual H10X series 2. Safety Features Compressor three-minute delay at restart Compressor functions are delayed for up to ten seconds upon the fi rst startup of the unit, and are delayed for up to three minutes upon subsequent unit restarts.

  • Page 25: Basic Functions

    Service manual H10X series 3. Basic Functions frequency(FminC). • Compressor runs at FminC more than 10 minutes. Abbreviation • T1 is lower than or equal to (Tsc-CDIFTEMP). Note: CDIFTEMP is EEPROM setting parameter. It is 2°C Unit element abbreviations usually.

  • Page 26: Heating Mode(Heat Pump Units)

    Service manual H10X series For AC fan motor units: level per 1 minute. • Hold: Keep the current frequency. • Resume: No limitation for frequency. Heating Mode (Heat Pump Units) 3.4.1 Compressor Control 1) Reach the configured temperature • If the following conditions are satisfied, the compressor ceases operation.

  • Page 27: Auto-Mode

    Service manual H10X series 2) Auto fan heating mode: • T3 rises above TCDE1°C. For DC fan motor units: • T3 maintained above TCDE2°C for 80 seconds. • Rise curve • Unit runs for 15 minutes consecutively in defrosting • When T1-Tsc is higher than -1.5°C, fan speed mode.

  • Page 28: Drying Mode

    Service manual H10X series • setting temperature • Forced defrosting mode: • Press AUTO/COOL button continuously for 5s under forced cooling mode to enter this mode. • Indoor fan will stop, defrosting lamp will light on. • Quit this mode and turn off the unit when: •...

  • Page 29: Auto-Restart Function

    Service manual H10X series which, the unit exits this mode. 3.14 Silence (Optional) • The timer setting is available in this mode. Press “Silence” on the remote control to enable the SILENCE function. While this function is active, the indoor 3.10 Auto-Restart function...

  • Page 30: Wireless Control(Optional)

    Service manual H10X series 3.18 Wireless Control (Optional) • Wireless control allows you to control your air conditioner using your mobile phone and a Wireless connection. • For the USB device access, replacement, maintenance operations must be carried out by professional staff.
  • Page 31 Service manual H10X series Maintenance Contents First Time Installation Check .................2 Refrigerant Recharge ....................4 Re-Installation .......................5 Indoor Unit ....................5 Outdoor Unit ....................7...

  • Page 32: First Time Installation Check

    Service manual H10X series 1. First Time Installation Check Air and moisture trapped in the refrigerant system affects To prevent air and moisture from affecting the air the performance of the air conditioner by: conditioner’s performance, the indoor unit, as well as the pipes between the indoor and outdoor unit, must be be •...
  • Page 33 Service manual H10X series Procedure: • If the pressure successfully reaches -0.1 MPa Tighten the flare nuts of the indoor and outdoor (14.5 Psi), fully close the Handle Lo valve, then units, and confirm that both the 2- and 3-way valves cease vacuum pump operations.

  • Page 34: Refrigerant Recharge

    Service manual H10X series 2. Refrigerant Recharge mA A Procedure: Close both 2- and 3-way valves. 3-way valves. Slightly connect the Handle Lo charge hose to the Operate the air conditioner in cooling mode to charge 3-way service port. the system with liquid refrigerant.

  • Page 35: Re-Installation

    Service manual H10X series 3. Re-Installation Indoor Unit Collecting the refrigerant into the outdoor unit Procedure: Confirm that the 2- and 3-way valves are opened. Close the 3-way valve so that the gauge rests between 0.3 MPa (43.5 Psi) and 0.5 MPa (72.5 Psi).
  • Page 36 Service manual H10X series Air purging with vacuum pump Procedure: • If the pressure successfully reaches -0.1 MPa Tighten the flare nuts of the indoor and outdoor (14.5 Psi), fully close the Handle Lo valve, then units, and confirm that both the 2- and 3-way valves cease vacuum pump operations.

  • Page 37: Outdoor Unit

    Service manual H10X series Outdoor Unit Evacuation for the whole system Procedure: Wait for 5 minutes then check whether the gauge Confirm that the 2- and 3-way valves are opened. needle moves after turning off the vacuum pump. If Connect the vacuum pump to the 3-way valve’s the gauge needle moves backward, check whether service port.
  • Page 38 Service manual H10X series Refrigerant charging mA A Procedure: Close both 2- and 3-way valves. Fully open the Handle Lo manifold valve, 2- and 3-way valves. Slightly connect the Handle Lo charge hose to the 3-way service port. Operate the air conditioner in cooling mode to charge the system with liquid refrigerant.
  • Page 39 Service manual H10X series Indoor Unit Disassembly Contents Dimension ......................2 Indoor Unit Disassembly ..................3 Front Panel ....................3 Electrical parts ....................7 Fan motor and fan ..................10 Step motor ....................12 Drain Hose ....................14 Evaporator ....................15...

  • Page 40: Dimension

    Service manual H10X series 1. Dimension Capacity Body Code W(mm/inch) D(mm/inch) H(mm/inch) 9K~12K 795/31.3 225/8.86 295/11.61 18K~24K 965/38 239/9.41 319/12.56 1140/44.88 275/10.83 370/14.57 Indoor Unit Disassembly 2...

  • Page 41: Indoor Unit Disassembly

    Service manual H10X series 2. Indoor unit Disassembly Front Panel Procedure Illustration 1) Put your hands at the 2 sides of filter, pull the filter gently along the verticall direction, and then remove it.(see CJ_EP_001) CJ_EP_001 2) Open the horizontal louver and push the locker towards right to open it.
  • Page 42 Service manual H10X series Procedure Illustration 4) Open the panel assembly, move the slider to fix the panel. (see CJ_EP_003) CJ_EP_003 5) Open two stop blocks of panel frame assembly. (see CJ_EP_004) 6) Remove 1 fixing screw in the panel frame.
  • Page 43 Service manual H10X series Procedure Illustration 7) pull two sides of the bottom panel along the direction indicated in right image to remove it. (see CJ_EP_005) CJ_EP_005 8) Pull the mandril of panel to remove it.(see CJ_EP_006) 9) Remove the panel assembly.(see...
  • Page 44 Service manual H10X series Procedure Illustration 10) Remove 1 screw of the display board. (see CJ_EP_007) 11) Rotate the display board subassembly in the direction shown in the right picture. (see CJ_EP_007) 12) Pull the four clips to remove the display board.(see CJ_EP_007)

  • Page 45: Electrical Parts

    Service manual H10X series Electrical parts (Antistatic gloves must be worn.) Note: Open the front panel (refer to 2.1 Front panel) before disassembling electrical parts. Procedure Illustration 1) Pull the two lifts of the cover of electronic control box with thumbs and then open it.
  • Page 46 Service manual H10X series Procedure Illustration 4) Disconnect the wires. (see CJ_EP_010) CJ_EP_010 5) Remove one screw used for the ground connection. (see CJ_EP_011) 6) Pull two clips of the electronic control box along the direction shown in the right picture to remove the main control board.
  • Page 47 Service manual H10X series Procedure Illustration 7) Remove the other screw used for the ground connection.(see CJ_EP_012) 8) Collapse the mandril.(see CJ_EP_012) 9) Pull the cover of electronic control box along the direction indicated in right image to remove it.(see CJ_EP_012)

  • Page 48: Fan Motor And Fan

    Service manual H10X series Fan motor and fan Note: Remove the front panel (refer to 2.1 Front panel). before disassembling fan motor and fan. Procedure Illustration 1) Open two stop blocks of chassis assembly(below). (see CJ_EP_014) 2) Remove chassis assembly(below) along the...
  • Page 49 Service manual H10X series Procedure Illustration 4) Remove the bearing sleeve (see CJ_ EP_016). CJ_EP_016 5) Remove the fixing screw (see CJ_EP_017). 6) Pull out the fan motor and fan assembly from the side. CJ_EP_017 Note: This section is for reference only. Actual unit appearance may vary.

  • Page 50: Step Motor

    Service manual H10X series Step motor Note: Remove the front panel and chassis assembly(below) (refer to 2.1 Front panel and 2.3 Fan motor and fan) before disassembling step motor. Procedure Illustration 1) Remove one screw to remove cover of louver motor.(see CJ_EP_018).(for some...
  • Page 51 Service manual H10X series Procedure Illustration 3) Remove the two screws, then remove the horizontal swing motor(see CJ_EP_020). Note: The horizontal swing motor is located in panel assembly. swing motor CJ_EP_020 4) Remove 2 screws, then remove the vertical swing motor swing motor (see CJ_EP_021).(for some...

  • Page 52: Drain Hose

    Service manual H10X series Drain Hose Procedure Illustration 1) Rotate the fixed wire clockwise indicated in right image. (see CJ_EP_022) 2) Pull up the drain hose to remove it. (see CJ_EP_022) CJ_EP_022 Note: This section is for reference only. Actual unit appearance may vary.

  • Page 53: Evaporator

    Service manual H10X series Evaporator Note: Remove the front panel, electrical parts and fan (refer to 2.1 Front panel, 2.2 Electrical parts and 2.3 fan motor and fan) before disassembling evaporator. Procedure Illustration 1) Remove the 2 screws then remove the panel frame assembly.(see CJ_EP_023)
  • Page 54 Service manual H10X series Procedure Illustration 3) Remove the 1 screw on the evaporator located at the left fixed plate (see CJ_ EP_025). 4) Remove the 1 screw on the evaporator located on the right side. (see CJ_EP_025). CJ_EP_025 5) Bend the piping carefully, separate the chassis assembly(above) and the evaporator then take the evaporator out.
  • Page 55 Service manual H10X series Outdoor Unit Disassembly Contents Outdoor Unit Table ....................2 Dimension ......................3 Outdoor Unit Disassembly .................. Panel Plate ....................5 Electrical Parts .....................11 Fan Assembly ....................26 Fan Motor ....................27 Sound blanket .....................28 Four-way valve .....................29 Compressor ....................30...

  • Page 56: Outdoor Unit Table

    Service manual H10X series 1. Outdoor Unit Disassembly Outdoor Unit Table Outdoor Unit Model Panel Plate PCB Board X330 PCB Board 9 X330 PCB Board 9 X430 PCB Board 6 X430 PCB Board 6 Outdoor Unit Disassembly 2...

  • Page 57: Dimension

    Service manual H10X series 2. Dimension X330 Panel Plate (MUPR-09/12-H10X-E) Outdoor Unit Disassembly 3...

  • Page 58: Panel Plate

    Service manual H10X series X430 Panel Plate (MUPR-18/24-H10X-E) Outdoor Unit Disassembly 4...
  • Page 59 Service manual H10X series 3. Outdoor Unit Disassembly 1.X330 (MUPR-09/12-H10X-E) Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screw of the big handle and then remove the big handle (1 screws) (see CJ_X230_001).
  • Page 60 Service manual H10X series Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ X230_003). Water Collecting Cover CJ_X230_003 5) Remove the screws of the front panel and then remove the front...
  • Page 61 Service manual H10X series Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_X230_005). Right Panel CJ_X230_005 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 7...
  • Page 62 Service manual H10X series 2. X430 (MUPR-18/24-H10X-E) Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screw of the big handle and then remove the big handle (1 screw) (see CJ_X430_001). Big Handle CJ_X430_001...
  • Page 63 Service manual H10X series Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ X430_003). Water Collecting Cover CJ_X430_003 5) Remove the screws of the front panel and then remove the front...
  • Page 64 Service manual H10X series Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (6 screws) (see CJ_X430_005). Right Panel CJ_X430_005 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 10...

  • Page 65: Electrical Parts

    Service manual H10X series Electrical parts Antistatic gloves must be worn when you disassemble the electronic box. WARNING: Note: Remove the air outlet grille(refer to 3.1 Panel Plate) before disassembling electrical parts. 4. PCB board 4 Procedure Illustration 1) Remove the screws of the top cover.
  • Page 66 Service manual H10X series 5. PCB board 5 Procedure Illustration 1) Unfix the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_005-1 ). 4-Way Valve 2) Disconnect the connector for fan CJ_ODU_PCB_005-1 motor from the electronic control CJ_ODU_PCB_005-2 ).
  • Page 67 Service manual H10X series 5. PCB board 6 Procedure Illustration 1) Remove the screws and unfix the hooks, then open the electronic control box cover (5 screws and 2 CJ_ODU_PCB_006-1 ). hooks )(see CJ_ODU_PCB_006-1 2) Disconnect the connector for fan motor from the electronic control CJ_ODU_PCB_006-2 ).
  • Page 68 Service manual H10X series 6. PCB board 7 Procedure Illustration 1) Remove the screws of the top cover. CJ_ODU_PCB_007- (1 screws) (see 1 ). CJ_ODU_PCB_007-1 2) Unfix the hooks and then open the electronic control box cover (5 hooks) CJ_ODU_PCB_007-2 ).
  • Page 69 Service manual H10X series Procedure Illustration 5) Pull out the wire connected with the CJ_ODU_PCB_007-4 ). terminal. (see T3/T4 6) Pull out connectors of the condenser coil temp. sensor(T3),outdoor ambient temp. sensor(T4) and discharge temp. sensor(TP) (see CJ_ODU_PCB_007-4 ). 7) Disconnect the electronic expansion...
  • Page 70 Service manual H10X series 7. PCB board 8 Procedure Illustration 1) Unfix the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_008-1 ). 2) Disconnect the connector for outdoor DC fan from the electronic CJ_ODU_ control board (see PCB_008-2 ).
  • Page 71 Service manual H10X series 9. PCB board 9 Procedure Illustration 1) Disconnect the connector for compressor and release the ground wire(1 screw). (see CJ_ODU_ PCB_009-1 ). 2) Pull out the wires from electrical supporting plate and turn over the electronic control assembly. (see CJ_ODU_PCB_009-1 CJ_ODU_PCB_009-2 ).
  • Page 72 Service manual H10X series Procedure Illustration 4) Remove the fixing board (2 hooks) CJ_ODU_PCB_009-4 ). (see CJ_ODU_PCB_009-4 5) Disconnect the connectors from the electronic control board (see CJ_ODU_PCB_009-5 ). CJ_ODU_PCB_009-5 6) Then remove the electronic control CJ_ODU_ board (4 hooks).(see PCB_009-6 ).
  • Page 73 Service manual H10X series 10. PCB board 10 Procedure Illustration 1) Unfix the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_010-1 ). CJ_ODU_PCB_010-1 2) Remove 4 screws on the electronic control board and then turn over the electronic control board (see CJ_ODU_PCB_010-2 ).
  • Page 74 Service manual H10X series Procedure Illustration 3) Pull out the connectors (see ODU_PCB_010-3 ). 4) Remove the 9 screws and unfix the 3 hooks and then remove the electronic control board(see ODU_PCB_010-3 ). CJ_ODU_PCB_010-3 5) Remove two screws and then...
  • Page 75 Service manual H10X series Procedure Illustration 6) Remove two screws and two connectors and then remove the inverter control board (see CJ_ODU_ PCB_010-5 ). CJ_ODU_PCB_010-5 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 21...
  • Page 76 Service manual H10X series 11. PCB board 11 Procedure Illustration 1) Disconnect the connector for compressor and release the ground wire(1 screw). (see CJ_ODU_ PCB_0011-1 ). 2) Pull out the wires from electrical supporting plate and turn over the electronic control assembly. (see CJ_ODU_PCB_011-1 CJ_ODU_PCB_011-2 ).
  • Page 77 Service manual H10X series Procedure Illustration 4) Remove the fixing board (2 hooks) CJ_ODU_PCB_011-4 ). (see CJ_ODU_PCB_011-4 5) Disconnect the connectors from the electronic control board (see CJ_ODU_PCB_011-5 ). CJ_ODU_PCB_011-5 6) Then remove the electronic control CJ_ODU_ board (4 hooks).(see PCB_011-6 ).
  • Page 78 Service manual H10X series 12. PCB board 12 Procedure Illustration 1) Unfix the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_012-1 ). CJ_ODU_PCB_012-1 2) Remove 6 screws on the electronic control board and then turn over the electronic control board (see CJ_ODU_PCB_012-2 ).
  • Page 79 Service manual H10X series Note: This section is for reference only. Actual unit appearance may vary. Procedure Illustration 3) Pull out the connectors (see ODU_PCB_012-3 ). 4) Remove the 4 screws and then remove the electronic control CJ_ODU_PCB_012-3 ). board(see CJ_ODU_PCB_012-3 Note: This section is for reference only.

  • Page 80: Fan Assembly

    Service manual H10X series Fan Assembly Note: Remove the panel plate (refer to 3.1 Panel Plate) before disassembling fan. Procedure Illustration 1) Remove the nut securing the fan with a spanner (see CJ_ODU_ FAN_001). 2) Remove the fan. D-cut CJ_ODU_FAN_001 Note: This section is for reference only.

  • Page 81: Fan Motor

    Service manual H10X series Fan Motor Note: Remove the panel plate and the connection of fan motor on PCB (refer to 3.1 Panel Plate and 3.2 Electrical parts) before disassembling fan motor. Procedure Illustration 3) Remove the fixing screws of the fan motor (4 screws) (see CJ_ODU_MOTOR_001).

  • Page 82: Sound Blanket

    Service manual H10X series Sound blanket Note: Remove the panel plate (refer to 3.1 Panel plate) before disassembling sound blanket. Procedure Illustration 1) Remove the sound blanket (side and top) (see CJ_ODU_BLANKET_001). Sound Blanket(top) Sound Blanket(side) CJ_ODU_BLANKET_001 Note: This section is for reference only. Actual unit appearance may vary.

  • Page 83: Four-Way Valve

    Service manual H10X series Four-way valve (for heat pump models) WARNING: Evacuate the system and confirm that there is no refrigerant left in the system before removing the four-way valve and the compressor. (For R32 & R290, you should evacuate the system with the vacuum pump; flush the system with nitrogen;...

  • Page 84: Compressor

    Service manual H10X series Compressor WARNING: Evacuate the system and confirm that there is no refrigerant left in the system before removing the four-way valve and the compressor. (For R32 & R290, you should evacuate the system with the vacuum pump; flush the system with nitrogen;...
  • Page 85 Service manual H10X series Procedure Illustration 3) Remove the hex nuts and washers securing the compressor, located on the bottom plate (see CJ_ODU_COMP_003). CJ_ODU_COMP_003 Suction Pipe 4) Heat up the brazed parts and then remove the the discharge pipe and the suction pipe (see CJ_ODU_COMP_004).
  • Page 86 Service manual H10X series Troubleshooting Contents Safety Caution .......................3 General Troubleshooting ..................4 Complain Record Form ..................6 Information Inquiry ....................8 Error Diagnosis and Troubleshooting Without Error Code .......11 Remote maintenance ...................11 Field maintenance ..................12 Quick Maintenance by Error Code ..............17 Troubleshooting by Error Code ................17...
  • Page 87 Service manual H10X series Contents TS09 IPM Malfunction or IGBT Over-strong Current Protection Diagnosis and Solution TS10 Over Voltage or Too Low Voltage Protection Diagnosis and Solution TS11 Top temperature Protection of Compressor or High Temperature Protection of IPM Module or High Pressure Protection Diagnosis and Solution...

  • Page 88: Safety Caution

    Service manual H10X series 1. Safety Caution WARNING Be sure to turn off all power supplies or disconnect all wires to avoid electric shock. While checking indoor/outdoor PCB, please equip oneself with antistatic gloves or wrist strap to avoid damage to the board.
  • Page 89 Service manual H10X series When the indoor unit encounters a recognized error on different models , 1. the running LED with flash in a corresponding series, the timer LED may turn on or begin flashing; 2. an error code will be displayed;...
  • Page 90 Service manual H10X series Indoor room temperature sensor T1 is in open circuit or has short EH 60 6 times TS05-IDU circuited Evaporator coil middle temperature sensor T2 is in open circuit or EH 61 6 times TS05-IDU has short circuited...

  • Page 91: Complain Record Form

    Service manual H10X series 3. Complain Record Form Complain Record Form Request No.: Date: Installation Date: Service Date: Customer Information Name Telephone No. Home Address Email Product Information Indoor Unit Model Outdoor Unit Model Serial No. of indoor unit Serial No. of outdoor unit Working Mode □Cooling...
  • Page 92 Service manual H10X series Parameter Checking information by Remote controller Displaying code Displaying code meaning Display value Display value meaning Room temperature Indoor coil temperature Outdoor coil temperature Ambient temperature Discharge temperature Targeted Frequency Actual Frequency Compressor current Outdoor AC voltage...

  • Page 93: Information Inquiry

    Service manual H10X series 4. Information Inquiry • To enter information inquiry status, complete the following procedure within 10 seconds: • Press LED 3 times. • Press SWING 3 times. • Finish 1 and 2 within 10 seconds, you will hear beeps for two seconds, which means the unit goes into parameter checking mode.
  • Page 94 Service manual H10X series Error code Display Error Information EH 00/EH 0A Indoor unit EEPROM parameter error EL 01 Indoor / outdoor unit communication error EH 02 Zero-crossing signal detection error EH 30 Over low voltage protection of indoor external fan...
  • Page 95 Service manual H10X series PC 06 Compressor discharge temperature protection PC 08 Outdoor current protection PH 09 Anti-cold air in heating mode PC 0F PFC module malfunction pc 0l Outdoor ambient tempreture too low PH 90 Evaporator coil temperature over high protection...

  • Page 96: Error Diagnosis And Troubleshooting Without Error Code

    Service manual H10X series 5. Error Diagnosis and Troubleshooting Without Error Code WARNING Be sure to turn off unit before any maintenance to prevent damage or injury. Remote maintenance SUGGESTION: When troubles occur, please check the following points with customers before field maintenance.

  • Page 97: Field Maintenance

    Service manual H10X series Field maintenance Problem Solution Unit will not start 15-16 Compressor will not start but fans run 15-16 Compressor and condenser (outdoor) fan will not start 15-16 Evaporator (indoor) fan will not start 15-16 Condenser (Outdoor) fan will not start...
  • Page 98 Service manual H10X series 1.Remote Maintenance Electrical Circuit Refrigerant Circuit Possible causes of trouble Unit will not start The power switch is on but fans will not start The temperature on the display board cannot be set Unit is on but the wind is not cold(hot)
  • Page 99 Service manual H10X series 1.Remote Maintenance Others Possible causes of trouble Unit will not start The power switch is on but fans will not start The temperature on the display board cannot be set Unit is on but the wind is not cold(hot)
  • Page 100 Service manual H10X series 2.Field Maintenance Refrigerant Circuit Others Possible causes of trouble Unit will not start Compressor will not start but fans run Compressor and condenser (outdoor) fan will not start Evaporator (indoor) fan will not start Condenser (Outdoor) fan will not start...
  • Page 101 Service manual H10X series 2.Field Maintenance Electrical Circuit Possible causes of trouble Unit will not start Compressor will not start but fans run Compressor and condenser (outdoor) fan will not start Evaporator (indoor) fan will not start Condenser (Outdoor) fan will not start...

  • Page 102: Quick Maintenance By Error Code

    Service manual H10X series 6. Quick Maintenance by Error Code If you do not have the time to test which specific parts are faulty, you can directly change the required parts according the error code. You can find the parts to replace by error code in the following table.

  • Page 103: Ts01 Eeprom Parameter Error Diagnosis And Solution

    Service manual H10X series TS01-IDU: Indoor EEPROM parameter error diagnosis and solution Description: Indoor PCB main chip does not receive feedback from EEPROM chip. Recommended parts to prepare: • Indoor PCB Troubleshooting and repair: Shut off the power supply and turn it on 2 minutes later.
  • Page 104 Service manual H10X series TS01-ODU: Outdoor EEPROM parameter error or Compressor driven chip EEPROM parameter error diagnosis and solution Description: Outdoor PCB main chip does not receive feedback from EEPROM chip or compressor driven chip. Recommended parts to prepare: • Outdoor PCB...
  • Page 105 Service manual H10X series TS02-S-INV: Indoor and outdoor unit communication error diagnosis and solution Description: Indoor unit can not communicate with outdoor unit Recommended parts to prepare: • Indoor PCB • Outdoor PCB • Short-circuited component Troubleshooting and repair: Power off, then restart the unit after 2 minutes.
  • Page 106 Service manual H10X series Remarks: • Use a multimeter to test the DC voltage between 2 port(or S or L2 port) and 3 port(or N or S port) of outdoor unit. The red pin of multimeter connects with 2 port(or S or L2 port) while the black pin is for 3 port(or N or S port) .
  • Page 107 Service manual H10X series TS03: Zero crossing detection error diagnosis and solution Description: When PCB does not receive zero crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal. Recommended parts to prepare: • Connection wires •...
  • Page 108 Service manual H10X series TS04-S-IDU: The Indoor fan speed is operating outside of normal range diagnosis and solution) Description: When indoor fan speed keeps too low or too high for a certain time, the LED displays the failure code and the AC turns off.
  • Page 109 Service manual H10X series Index: 1. DC Fan Motor(control chip is in fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector. If the value of the voltage is not in the range showing in below table, the PCB must has problems and need to be replaced.
  • Page 110 Service manual H10X series...
  • Page 111 Service manual H10X series TS04-ODU: The outdoor fan speed is operating outside of normal range diagnosis and solution) Description: When outdoor fan speed keeps too low or too high for a certain time, the LED displays the failure code and the AC turns off.
  • Page 112 Service manual H10X series Index: 1. Outdoor DC Fan Motor (control chip is in outdoor PCB) Release the UVW connector. Measure the resistance of U-V, U-W, V-W. If the resistance is not equal to each other, the fan motor must has problems and need to be replaced. otherwise the PCB must has problems and need to be replaced.
  • Page 113 Service manual H10X series TS05-IDU: Open circuit or short circuit of indoor temperature sensor(T1, T2) diagnosis and solution Description: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure code. Recommended parts to prepare: •...
  • Page 114 Service manual H10X series TS05-ODU: Open circuit or short circuit of outdoor temperature sensor(T3, T4, TP, T2B,TH) diagnosis and solution Description: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure code. Recommended parts to prepare: •...
  • Page 115 Service manual H10X series TS06-INV: Refrigerant Leakage Detection diagnosis and solution Description: Define the evaporator coil temperature T2 of the compressor just starts running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 < Tcool-1°C(1.8°F) does not keep continuous 4 seconds and compressor running frequency higher than 50Hz does not keep for 3 minutes, and this situation happens 3 times, the LED displays the failure code and the AC turns off.
  • Page 116 Service manual H10X series TS07: Indoor PCB / Display board communication error diagnosis and solution Description: Indoor PCB does not receive feedback from the display board. Recommended parts to prepare: • Communication wire • Indoor PCB • Display board Troubleshooting and...
  • Page 117 Service manual H10X series TS08-S: Current overload protection diagnosis and solution Description: An abnormal current rise is detected by checking the specified current detection circuit. Recommended parts to prepare: • Connection wires • Reactor • Outdoor fan • Outdoor PCB...
  • Page 118 Service manual H10X series TS09-S: IPM malfunction or IGBT over-strong current protection diagnosis and solution Description: When the voltage signal the IPM sends to the compressor drive chip is abnormal, the LED displays the failure code and the AC turns off.
  • Page 119 Service manual H10X series Index: 1. IPM Continuity Check WARNING Electricity remains in capacitors even when the power supply is off. Ensure the capacitors are fully discharged before troubleshooting. 1. Turn off outdoor unit and disconnect power supply. 2. Discharge electrolytic capacitors and ensure all energy-storage unit has been discharged.
  • Page 120 Service manual H10X series 4. Compressor check Disconnect the compressor and check the resistance between U-V, V-W and U-W, and all 3 values should be equal. If not, the compressor is faulty and should be replaced. Note: The picture and the value are only for reference, actual condition and specific value may vary.
  • Page 121 Service manual H10X series TS10-S: Over voltage or too low voltage protection diagnosis and solution Description: Abnormal increases or decreases in voltage are detected by checking the specified voltage detection circuit. Recommended parts to prepare: • Power supply wires • IPM module board •...
  • Page 122 Service manual H10X series TS11-S-INV: Top temperature protection of compressor or High temperature protection of IPM module or High pressure protection diagnosis and solution Description: For some models with overload protection, If the sampling voltage is not 5V, the LED will display the failure.
  • Page 123 Service manual H10X series Check the fastening screws on the PCB and IPM radiator. Replace the outdoor Are they fixed tightly? control PCB. Tighten the screws and apply silicon grease. Note: For certain models, outdoor PCB could not be removed separately. In this case, the outdoor electric control box should be replaced as a whole.
  • Page 124 Service manual H10X series High pressure protection High pressure protection Are the high pressure switch Are the high pressure switch Connect high pressure switch and Connect high pressure switch and and main control boar wired and main control boar wired...
  • Page 125 Service manual H10X series TS12-S: Inverter compressor drive error diagnosis and solution Description: An abnormal inverter compressor drive is detected by a special detection circuit, including communication signal detection, voltage detection, compressor rotation speed signal detection and so on. Recommended parts to prepare: •...
  • Page 126 Service manual H10X series TS13-INV: Low pressure protection diagnosis and solution Description: Outdoor pressure switch cut off the system because low pressure is lower than 0.13 MPa, the LED displays the failure code. Recommended parts to prepare: • Connection wires •...
  • Page 127 Service manual H10X series Low pressure protection Low pressure protection Are the low pressure protector Are the low pressure protector and main control board wired and main control board wired Reconnect the low pressure protector and main Reconnect the low pressure protector and main...
  • Page 128 Service manual H10X series TS14: Indoor units mode conflict (match with multi outdoor unit) Description: The indoor units cannot work cooling mode and heating at same time. Heating mode has a priority. • Suppose Indoor unit A working in cooling mode or fan mode, and indoor unit B is set to heating mode, then A will change to off and B will work in heating mode.
  • Page 129 Service manual H10X series TS33: Communication error between outdoor main chip and compressor driven chip diagnosis and solution Description: The main chip cannot detect the compressor driven chip Recommended parts to prepare: • Outdoor main PCB • Electric control box...
  • Page 130 Service manual H10X series 8. Check Procedures 8.1 Temperature Sensor Check WARNING Be sure to turn off all power supplies or disconnect all wires to avoid electric shock. Operate after compressor and coil have returned to normal temperature in case of injury.
  • Page 131 Service manual H10X series Resistance Value KSK89D53UEZ KSK89D29UEZD KSN98D22UFZ KSK103D33UEZ3 KTN150D30UFZA Blue-Red Blue-Black 2.35 1.99 2.02 1.02 1.57 Red-Black Resistance Value KSM135D23UFZ KSN140D21UFZ KTF235D22UMT KSK103D33UEZ3(YJ) KTM240D57UMT Blue-Red Blue-Black 1.72 1.28 0.75 2.13 0.62 Red-Black Resistance Value KSN140D58UFZ KTM240D43UKT Blue-Red Blue-Black 1.86...
  • Page 132 Service manual H10X series 8.3 IPM Continuity Check WARNING Electricity remains in capacitors even when the power supply is off. Ensure the capacitors are fully discharged before troubleshooting. 1. Turn off outdoor unit and disconnect power supply. 2. Discharge electrolytic capacitors and ensure all energy-storage unit has been discharged.
  • Page 133 Service manual H10X series Fan Motor Check 1. Turn off outdoor unit and disconnect power supply 2. Disconnect outdoor fan motor power cord from outdoor PCB 3. Measure the resistance value between each windings. The normal value of different motor show as follows:...
  • Page 134 Service manual H10X series Appendix Contents Temperature Sensor Resistance Value Table for T1, T2, T3, and T4 (°C – K) ..2 Temperature Sensor Resistance Value Table for TP (for some units)(°C --K) ..3 iii) Pressure On Service Port ..................4...
  • Page 135 Service manual H10X series i) Temperature Sensor Resistance Value Table for T1,T2,T3 and T4 (°C – K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148...
  • Page 136 Service manual H10X series ii) Temperature Sensor Resistance Value Table for TP(for some units) (°C --K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C...
  • Page 137 Service manual H10X series iii) Pressure On Service Port Cooling chart(R410A): ODU(DB) °F(°C) 0(-17) 5(-15) 95 (35) (-9.44) (7.22) (23.89) (29.44) (40.56) (46.11) (48.89) IDU(DB/WB) 70/59 (21.11/15) 10.1 10.6 75/63 (23.89/17.22) 10.7 11.2 80/67 (26.67/19.44) 11.2 11.9 90/73 (32.22/22.78) 10.5 10.3...
  • Page 138 Service manual H10X series Heating chart(R410A): ODU(DB/WB) 57/53 47/43 37/33 27/23 17/13 (-8.33/- 0/-2 -17/-18 °F(°C) (13.89/11.67) (8.33/6.11) (2.78/0.56) (-2.78/-5) 10.56) (-17/-19) (-27/-28) IDU(DB) 55(12.78) 30.3 28.5 25.3 22.8 20.8 18.5 16.5 65(18.33) 32.5 30.0 26.6 25.4 23.3 20.5 19.0 75(23.89)
  • Page 139 Service manual H10X series Cooling chart(R32): ODU(DB) °F(°C) 0(-17) 5(-15) 95 (35) (-9.44) (7.22) (23.89) (29.44) (40.56) (46.11) (48.89) IDU(DB/WB) 70/59 (21.11/15) 10.3 10.8 75/63 (23.89/17.22) 10.9 11.4 80/67 (26.67/19.44) 11.4 12.1 90/73 (32.22/22.78) 10.7 10.5 10.2 10.8 12.6 13.3 70/59 (21.11/15)
  • Page 140 Service manual H10X series Heating chart(R32): ODU(DB/WB) 57/53 47/43 37/33 27/23 17/13 (-8.33/- 0/-2 -17/-18 °F(°C) (13.89/11.67) (8.33/6.11) (2.78/0.56) (-2.78/-5) 10.56) (-17/-19) (-27/-28) IDU(DB) 55(12.78) 30.9 29.1 25.8 23.3 21.2 18.9 16.8 65(18.33) 33.2 30.6 27.1 25.9 23.8 20.9 19.4 75(23.89)
  • Page 141 Service manual H10X series System Pressure Table-R410A Pressure Temperature Pressure Temperature °C °F °C °F 14.5 -51.623 -60.921 2350 23.5 340.75 38.817 101.871 21.75 -43.327 -45.989 2400 39.68 103.424 -36.992 -34.586 2450 24.5 355.25 40.531 104.956 36.25 -31.795 -25.231 2500 362.5...
  • Page 142 Service manual H10X series System Pressure Table-R32 Pressure Temperature Pressure Temperature °C °F °C °F 14.5 -51.909 -61.436 1850 18.5 268.25 28.425 83.165 21.75 -43.635 -46.543 1900 275.5 29.447 85.005 -37.323 -35.181 1950 19.5 282.75 30.448 86.806 36.25 -32.15 -25.87 2000 31.431...
  • Page 143 C/ NÁPOLES 249 P1 08013 BARCELONA ESPAÑA / SPAIN (+34) 93 446 27 80 SAT: (+34) 93 652 53 57 www.mundoclima.com...

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