mundoclima MUPR-H11 Service Manual
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mundoclima MUPR-H11 Service Manual

mundoclima MUPR-H11 Service Manual

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MUPR-H11
R32
Service manual
CL20055 ~ CL20058
www.mundoclima.com

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  • Page 1 MUPR-H11 Service manual CL20055 ~ CL20058 www.mundoclima.com...
  • Page 2 Service manual H11 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 §. Maintenance First Time Installation Check Refrigerant Recharge Re-Installation...
  • Page 3 Service manual H11 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 H11 series Safety Precautions Contents Precautions ......................2 Information servicing(For flammable materials) ..........3...
  • Page 5 Service manual H11 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 H11 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. Checks to the area Ventilated area •...
  • Page 7 Service manual H11 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 H11 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 H11 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 H11 series Specifications Contents Model Reference ....................2 Pipe Length and Drop Height ................3 Electrical Wiring Diagrams ..................4...
  • Page 11 Service manual H11 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-H11-E MUPR-09-H11-I MUPR-12-H11-E MUPR-12-H11-I 220-240V~, 50Hz, 1Phase MUPR-18-H11-E MUPR-18-H11-I MUPR-24-H11-I MUPR-24-H11-E Specifications 2...
  • Page 12 Service manual H11 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. Capacity(Btu/h) Standard Length Max Pipe Length...
  • Page 13 Service manual H11 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-H11-I MUPR-09-H11-E MUPR-12-H11-I MUPR-12-H11-E 16022000019533 16022000020169 MUPR-18-H11-I MUPR-18-H11-E 16022000003662 16022000B13817 MUPR-24-H11-I MUPR-24-H11-E Outdoor unit printed circuit board diagram Outdoor Unit ODU Model...
  • Page 14 Service manual H11 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 COMP Compressor L-PRO...
  • Page 15 Service manual H11 series (MUPR-09/12/18/-H11-I) Indoor unit wiring diagram: 16022000020169 OPTIONAL OPTIONAL Applicable to INDOOR WIRING DIAGRAM AC motor only 16022000020169 5(3or2) HEATER SWITCH BOARD CN701 OPTIONAL E 12V/5V HA HB Applicable for MULTI and MONO unit without 1W OPTIONAL standby control feature Applicalbe for MONO unit with OPTIONAL...
  • Page 16 Service manual H11 series (MUPR-24-H11-I) Specifications 7...
  • Page 17 Service manual H11 series Outdoor unit wiring diagram: 16022000019533 (MUPR-09/12/18/-H11-E) Specifications 8...
  • Page 18 Service manual H11 series (MUPR-24-H11-E) Specifications 9...
  • Page 19 Service manual H11 series Outdoor unit printed circuit board diagram: 17122000044714, 17122000048121 (MUPR-09/12/18/-H11-E) Specifications 10...
  • Page 20 Service manual H11 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 4-WAY CN60 connect to 4 way valve, 208-230V AC when is ON.
  • Page 21 Service manual H11 series (MUPR-24-H11-E) Outdoor unit printed circuit board diagram: 17122000048064 Specifications 12...
  • Page 22 Service manual H11 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. AC-FAN connect to AC fan HEAT2...

  • Page 23: Table Of Contents

    Service manual H11 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 3.10 Auto-Restart Function ..................8 3.11 Active Clean function ..................8...

  • Page 24: Display Function

    Service manual H11 series 1. Display Function Unit display functions fresh defrost run timer Display A Display B Display Function fresh Fresh(available on select units only) defrost Defrost When the unit is on timer When TIMER is on WiFi control (available on select units only) Temperature value Temperature Activation of Timer ON, Fresh, Swing, Turbo, or Silent...

  • Page 25: Safety Features

    Service manual H11 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. Automatic shutoff based on discharge temperature If the compressor discharge temperature exceeds a certain level for a period of time, the compressor ceases operation.

  • Page 26: Basic Functions

    Service manual H11 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. Abbreviation Element 3) If one of the following conditions is satisfied, not judge...

  • Page 27: Heating Mode(Heat Pump Units)

    Service manual H11 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 28: Auto-Mode

    Service manual H11 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 29: Drying Mode

    Service manual H11 series auto-drying or fan-only mode on the basis of T1,Ts, T4 • mode and relative humidity. • fan speed • setting temperature • Forced defrosting mode: • Press AUTO/COOL button continuously for 5s under forced cooling mode to enter this mode. •...

  • Page 30: Auto-Restart Function

    Service manual H11 series priority. 3.14 Silence (Optional) • The operating time for sleep mode is 8 hours, after Press “Silence” on the remote control to enable the which, the unit exits this mode. SILENCE function. While this function is active, the indoor •...

  • Page 31: Wireless Control(Optional)

    Service manual H11 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. Product Features...
  • Page 32 Service manual H11 series Maintenance Contents First Time Installation Check .................2 Refrigerant Recharge ....................4 Re-Installation .......................5 Indoor Unit ....................5 Outdoor Unit ....................7...

  • Page 33: First Time Installation Check

    Service manual H11 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 34 Service manual H11 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 35: Refrigerant Recharge

    Service manual H11 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. Connect the charge hose to the valve at the bottom When the electronic scale displays the correct of the cylinder.

  • Page 36: Re-Installation

    Service manual H11 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). Connect the charge hose with the push pin of Handle Lo to the 3-way valve’s gas service port.
  • Page 37 Service manual H11 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 38: Outdoor Unit

    Service manual H11 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 39 Service manual H11 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 40 Service manual H11 series Indoor Unit Disassembly Contents Dimension ......................2 Indoor Unit Disassembly ..................3 Front Panel ....................3 Electrical parts ....................9 Evaporator ....................11 Fan motor and fan ..................13 Step motor ....................15 Drain Hose ....................16...

  • Page 41: Dimension

    Service manual H11 series 1. Dimension Capacity Body Code W(mm) D(mm) H(mm) 1083 Indoor Unit Disassembly 2...

  • Page 42: Indoor Unit Disassembly

    Service manual H11 series 2. Indoor Unit Disassembly 2.1 Front Panel Procedure Illustration 1) Hold the front panel by the tabs on Front Panel the both sides and lift it (see CJ_AG_ INV_001). CJ_AG_INV_001 2) Push up the bottom of an air filter (step 1), and then pull it out downwards (step 2) (see CJ_AG_ INV_002).
  • Page 43 Service manual H11 series Procedure Illustration 3) Open the horizontal louver and push the hook towards left to open it (see CJ_AG_INV_003). Horizontal Louver Hook CJ_AG_INV_003 4) Bend the horizontal louver lightly by both hands to loosen the hooks, then remove the horizontal louver (see CJ_AG_INV_003).
  • Page 44 Service manual H11 series Procedure Illustration 5) Pry the electrical cover by a screw driver, and rotate it towars left, then remove it. (see CJ_AG_INV_005). CJ_AG_INV_005 6) Disconnect the connector for display board. (see CJ_AG_INV_006) . 7) Slid the front panel side to side to release each axis (see CJ_AG_INV_006) CJ_AG_INV_006 Note: This section is for reference only.
  • Page 45 Service manual H11 series Procedure Illustration 8) Open the screw cap and then remove the 3 screws (see CJ_AG_INV_008). CJ_AG_INV_007 9) Release the hooks with hands. (see CJ_AG_INV_008) CJ_AG_INV_008 Note: This section is for reference only. Actual unit appearance may vary. Indoor Unit Disassembly 6...
  • Page 46 Service manual H11 series Procedure Illustration 10) Release the 5 hooks in the back (see CJ_AG_INV_009). CJ_AG_INV_009 11) Pull out the panel frame while pushing the hook through a clearance between the panel frame and the heat exchanger. (see CJ_AG_INV_010) CJ_AG_INV_010 Note: This section is for reference only.
  • Page 47 Service manual H11 series Procedure Illustration 12) Release the 5 hooks of the vertical blades, then pull the vertical blades rightward and remove it (see CJ_AG_ INV_011). CJ_AG_INV_011 13) Remove 1 screw of the display board. (see CJ_AG_INV_012). 14) Rotate the display board in the direction shown in the right picture.

  • Page 48: Electrical Parts

    Service manual H11 series 2.2 Electrical parts (Antistatic gloves must be worn.) Note: Remove the front panel (refer to 1. Front panel) before disassembling electrical parts. Procedure Illustration 1) Remove one fixing screw of electrical control box subassembly. (see CJ_AG_ INV_013).
  • Page 49 Service manual H11 series Procedure Illustration 4) Pull out the electrical main board along the direction indicated in right image. (see CJ_AG_INV_015). CJ_AG_INV_015 Fan motor swing motor ION(some models) 5) Disconnect the connectors and remove main control board. (see CJ_AG_ INV_016).

  • Page 50: Evaporator

    Service manual H11 series 2.3 Evaporator Note: Remove the front panel and electrical parts (refer to 1. Front panel and 2. Electrical parts) before disassembling evaporator. Procedure Illustration 1) Disassemble the pipe holder located at the rear of the unit (see CJ_AG_INV_017). CJ_AG_INV_017 2) Remove the 1 screws on the evaporator located at the fixed plate (see CJ_AG_...
  • Page 51 Service manual H11 series Procedure Illustration 3) Remove 1 screw and release the hook on the evaporator (see CJ_AG_INV_019). CJ_AG_INV_019 4) Remote the 2 screws on the evaporator located at the fixed plate (see CJ_AG_ INV_020). CJ_AG_INV_020 5) Pull out the evaporator (see CJ_AG_ INV_021).

  • Page 52: Fan Motor And Fan

    Service manual H11 series 2.4 Fan motor and fan Note: Remove the front panel, electrical parts and evaporator (refer to 1. Front panel, 2. Electrical parts, and 3. Evaporator). before disassembling fan motor and fan. Procedure Illustration 1) Remove the two screws and remove the fixing board of the fan motor (see CJ_AG_ INV_022).
  • Page 53 Service manual H11 series Procedure Illustration 3) Remove the fixing screw (see CJ_AG_ INV_024). 4) Pull out the fan motor and fan assembly from the side. CJ_AG_INV_024 Fixing Screw Note: This section is for reference only. Actual unit appearance may vary. Indoor Unit Disassembly 14...

  • Page 54: Step Motor

    Service manual H11 series 2.5 Step motor Note: Remove the front panel and electrical parts (refer to 1. Front panel, 2. Electrical parts) before disassembling step motor. Procedure Illustration 1) Remove the two screws, then remove the horizontal swing motor(see CJ_AG_ INV_025).

  • Page 55: Drain Hose

    Service manual H11 series 2.6 Drain Hose Procedure Illustration 1) Rotate the fixed wire clockwise indicated in right image (see CJ_AG_INV_027). CJ_AG_INV_027 2) Pull up the drain hose to remove it (see CJ_AG_INV_028). CJ_AG_INV_028 Note: This section is for reference only. Actual unit appearance may vary. Indoor Unit Disassembly 16...
  • Page 56 Service manual H11 series Outdoor Unit Disassembly Contents Outdoor Unit Table ....................2 Dimension ......................3 Outdoor Unit Disassembly ..................17 Panel Plate ....................17 Electrical Parts .....................42 Fan Assembly ....................59 Fan Motor ....................60 Sound blanket .....................61 Four-way valve .....................62 Compressor ....................63...

  • Page 57: Outdoor Unit Table

    Service manual H11 series 1. Outdoor Unit Disassembly Outdoor Unit Table Outdoor Unit Model Panel Plate PCB Board MUPR-09-H11-E X101 PCB Board 9 MUPR-12-H11-E PCB Board 9 X101 MUPR-18-H11-E X301 PCB Board 9 MUPR-24-H11-E X401 PCB Board 6 Outdoor Unit Disassembly 2...
  • Page 58 Service manual H11 series 2. Dimension X101 Panel Plate MUPR-09/12-H11-E Outdoor Unit Disassembly 3...
  • Page 59 Service manual H11 series X301 Panel Plate MUPR-18-H11-E Outdoor Unit Disassembly 4...
  • Page 60 Service manual H11 series X401 Panel Plate MUPR-24-H11-E Outdoor Unit Disassembly 5...
  • Page 61 Service manual H11 series 3. Outdoor Unit Disassembly 6. X101 MUPR-09/12-H11-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_X101_001). Big Handle CJ_X101_001 Top Cover...
  • Page 62 Service manual H11 series Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ X101_003). Water Collecting Cover CJ_X101_003 5) Remove the screws of the front panel and then remove the front panel (6 screws(onoff models) or 8 screws(inverter models) (see CJ_ X101_004).
  • Page 63 Service manual H11 series Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_X101_005). Right Panel CJ_X101_005 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 8...
  • Page 64 Service manual H11 series 7. X201/X301 MUPR-18-H11-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_X201_001). Big Handle CJ_X201_001 3) Remove the screws of the top cover Top Cover and then remove the top cover (4...
  • Page 65 Service manual H11 series Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ X201_003). Water Collecting Cover CJ_X201_003 5) Remove the screws of the front panel and then remove the front panel (7 screws(onoff models) or 9 screws(inverter models) (see CJ_ X201_004).
  • Page 66 Service manual H11 series Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_X201_005). Right Panel CJ_X201_005 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 11...
  • Page 67 Service manual H11 series MUPR-24-H11-E 8. X401 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_X401_001). Big Handle CJ_X401_001 Top Cover 3) Remove the screws of the top cover and then remove the top cover (3...
  • Page 68 Service manual H11 series Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screw) (see CJ_ X401_003). Water Collecting Cover CJ_X401_003 5) Remove the screws of the front panel and then remove the front panel (6 screws(onoff models) or 8 screws(inverter models) (see CJ_ X401_004).
  • Page 69 Service manual H11 series Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (6 screws) (see CJ_X401_005). Right Panel CJ_X401_005 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 14...

  • Page 70: Electrical Parts

    Service manual H11 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. PCB for ON-OFF Models 1. PCB board 1 Procedure Illustration 1) Remove the two screws fixed the...
  • Page 71 Service manual H11 series Procedure Illustration 8) For models with subzero refrigeration control board, remove 3 screws of it showed in the figure. CJ_ODU_PCB_001-03 9) The subzero refrigeration control board is in the back of the medal sheet. CJ_ODU_PCB_001-04 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 16...
  • Page 72 Service manual H11 series 2. PCB board 2 Procedure Illustration Fan Motor 1) Disconnect the wires connected to 4-Way Valve the compressor. (Red wire connects Compressor with PCB board, others connects with terminals) (see CJ_ODU_PCB_002-1) 2) Disconnect the connectors for fan motor.
  • Page 73 Service manual H11 series 3. PCB board 3 Procedure Illustration Earth wire 1) Disconnect the connectors for fan Fan motor motor (see CJ_ODU_PCB_003). 2) Disconnect the wires connected to the compressor (see CJ_ODU_ PCB_003). 3) Disconnect the wires connected to Pipe temperature sensor (see CJ_ ODU_PCB_003).
  • Page 74 Service manual H11 series PCB for Inverter Models 4. PCB board 4 Procedure Illustration 1) Remove the screws of the top cover. CJ_ODU_PCB_004- (2 screws) (see 1 ). CJ_ODU_PCB_004-1 2) Unfix the hooks and then open the electronic control box cover (4 hooks) CJ_ODU_PCB_004-2 ).
  • Page 75 Service manual H11 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 76 Service manual H11 series 5. PCB board 6 MUPR-24-H11-E 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 77 Service manual H11 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 ). (see CJ_ODU_PCB_007-2 3) Disconnect the connector for fan...
  • Page 78 Service manual H11 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 valve wire (see Fig CJ_ODU_PCB_007- 4 ).
  • Page 79 Service manual H11 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 control board (see CJ_ODU_ PCB_008-2 ).
  • Page 80 Service manual H11 series (MUPR-09/12/18/-H11-E) 9. PCB board 9 Procedure Illustration 1) Disconnect the connector for compressor and release the ground CJ_ODU_ wire(1 screw). (see PCB_009-1 ). 2) Pull out the wires from electrical supporting plate and turn over the electronic control assembly.
  • Page 81 Service manual H11 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 82 Service manual H11 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 83 Service manual H11 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 remove the electronic control box subassembly on partition board CJ_ODU_PCB_010-...
  • Page 84 Service manual H11 series Procedure Illustration 6) Remove two screws and two connectors and then remove the CJ_ODU_ inverter control board (see PCB_010-5 ). CJ_ODU_PCB_010-5 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 29...
  • Page 85 Service manual H11 series 11. PCB board 11 Procedure Illustration 1) Disconnect the connector for compressor and release the ground CJ_ODU_ wire(1 screw). (see 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 86 Service manual H11 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 87: Fan Assembly

    Service manual H11 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 88: Fan Motor

    Service manual H11 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 89: Sound Blanket

    Service manual H11 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. Outdoor Unit Disassembly 34...

  • Page 90: Four-Way Valve

    Service manual H11 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 91: Compressor

    Service manual H11 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 92 Service manual H11 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 93 Service manual H11 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 TS01 EEPROM Parameter Error Diagnosis and Solution TS02 Indoor and Outdoor Unit Communication Error Diagnosis and Solution TS03 Zero-crossing Signal Detection Error Diagnosis and Solution...
  • Page 94 Service manual H11 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 TS12 Inverter Compressor Drive Error Diagnosis and Solution TS13 Low Pressure Protection Diagnosis and Solution TS14 Indoor units mode conflic Diagnosis and Solution...

  • Page 95: Safety Caution

    Service manual H11 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. WARNING Electricity remains in capacitors even when the power supply is off.
  • Page 96 Service manual H11 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; 3.
  • Page 97 Service manual H11 series Top temperature protection of compressor or High temperature PC 02 3 times FLASH TS11-S-INV protection of IPM module or High pressure protection PC 04 5 times FLASH Inverter compressor drive error TS12-S PC 08 1 time FLASH Current overload protection TS08-S...

  • Page 98: Complain Record Form

    Service manual H11 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 □Heating...
  • Page 99 Service manual H11 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 Indoor capacity test Reserve Outdoor fan speed...

  • Page 100: Information Inquiry

    Service manual H11 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 101 Service manual H11 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 EH 31 Over voltage protection of indoor external fan EH 03...
  • Page 102 Service manual H11 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 PH 91 Evaporator coil temperature over low Protection LC 05...

  • Page 103: Error Diagnosis And Troubleshooting Without Error Code

    Service manual H11 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. Problem Solution Unit will not start...

  • Page 104: Field Maintenance

    Service manual H11 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 15-16 Unit runs, but shortly stops 15-16...
  • Page 105 Service manual H11 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) Unit runs, but shortly stops The unit starts up and stops frequently Unit runs continuously but insufficient cooling(heating)
  • Page 106 Service manual H11 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) Unit runs, but shortly stops The unit starts up and stops frequently Unit runs continuously but insufficient cooling(heating)
  • Page 107 Service manual H11 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 Unit runs, but shortly stops Compressor short-cycles due to overload High discharge pressure...
  • Page 108 Service manual H11 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 Unit runs, but shortly stops Compressor short-cycles due to overload High discharge pressure...

  • Page 109: Quick Maintenance By Error Code

    Service manual H11 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. Error Code Part requiring EH 00/...

  • Page 110: Troubleshooting By Error Code

    Service manual H11 series 7. Troubleshooting by Error Code 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 111 Service manual H11 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 Troubleshooting and repair: Shut off the power supply and turn it on 2 minutes later.
  • Page 112 Service manual H11 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 113 Service manual H11 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 114 Service manual H11 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 115 Service manual H11 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 116 Service manual H11 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 117 Service manual H11 series Troubleshooting 25...
  • Page 118 Service manual H11 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. Recommended parts to prepare: •...
  • Page 119 Service manual H11 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. 2.
  • Page 120 Service manual H11 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 121 Service manual H11 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 122 Service manual H11 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 123 Service manual H11 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 repair: Power off, then restart the unit 2 minutes later...
  • Page 124 Service manual H11 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 Troubleshooting and repair: Was the protection activated...
  • Page 125 Service manual H11 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. Recommended parts to prepare: •...
  • Page 126 Service manual H11 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. 3.
  • Page 127 Service manual H11 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. Troubleshooting 35...
  • Page 128 Service manual H11 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 129 Service manual H11 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. If the temperature of IPM module is higher than a certain value, the LED displays the failure code.
  • Page 130 Service manual H11 series Check the fastening screws on the PCB and IPM radiator. Are they Replace the outdoor 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 131 Service manual H11 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 mian control board mian control board correctly?
  • Page 132 Service manual H11 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 133 Service manual H11 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 134 Service manual H11 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 properly? properly? control board...
  • Page 135 Service manual H11 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 136 Service manual H11 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 Troubleshooting and repair: Shut off the power supply and Shut off the power supply and...
  • Page 137 Service manual H11 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. 1.
  • Page 138 Service manual H11 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 KSN98D64UFZ3 Blue-Red Blue-Black 1.86 1.03...
  • Page 139 Service manual H11 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. 3.
  • Page 140 Service manual H11 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: YKFG-13-4-38L Model YKFG-15-4-28-1...
  • Page 141 Service manual H11 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 142 Service manual H11 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 101.517 11.5...
  • Page 143 Service manual H11 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 °F K Ohm...
  • Page 144 Service manual H11 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 10.0 10.6...
  • Page 145 Service manual H11 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) 33.8 31.5...
  • Page 146 Service manual H11 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) 75/63 (23.89/17.22) 80/67 (26.67/19.44)
  • Page 147 Service manual H11 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) 34.5 32.1...
  • Page 148 Service manual H11 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 41.368 106.462...
  • Page 149 Service manual H11 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 88.576...

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