MUND CLIMA MUPR-H6 Service Manual
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MUND CLIMA MUPR-H6 Service Manual

Inverter serie h6
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INVERTER SERIE H6

Service manual

MUPR-H6
AESFI-A-1509
Thank you very much for purchasing our products.
CL20015 to CL20018
Please read this manual carefully before installing
English
and using the unit.
www.mundoclima.com

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Summary of Contents for MUND CLIMA MUPR-H6

  • Page 1: Service Manual

    INVERTER SERIE H6 Service manual MUPR-H6 AESFI-A-1509 Thank you very much for purchasing our products. CL20015 to CL20018 Please read this manual carefully before installing English and using the unit. www.mundoclima.com...

  • Page 2: Table Of Contents

    CONTENTS 1. Precaution ..............................3 1.1 Safety Precaution .......................... 3 1.2 Warning ............................3 2. Function ................................ 6 3. Dimension ..............................7 3.1 Indoor Unit ............................. 7 3.2 Outdoor Unit ..........................10 4 .Refrigerant Cycle Diagram ........................14 5. Wiring Diagram ………………………………………………………………………………………………….…15 6.

  • Page 3: Precaution

    1. Precaution Sharp edges could cause injury, be especially careful of the case edges and the fins on the 1.1 Safety Precaution condenser and evaporator.   To prevent injury to the user or other For installation, always contact the people and property damage, the following dealer or an authorized service center.
  • Page 4   Install the drain hose to ensure that If strange sounds or smoke comes from product, turn the breaker off or water is drained away properly. disconnect the power supply cable. A bad connection may cause water leakage.  There is risk of electric shock or fire.
  • Page 5  Do not insert hands or other objects through air inlet or outlet while the product is operated.  Do not drink the water drained from the product.  Use a firm stool or ladder when cleaning or maintaining the product. Be careful and avoid personal injury.

  • Page 6: Function

    2. Function Model Names of Indoor/Outdoor Units Capacity Indoor units Outdoor units MUPR-09-H6 (UI20015) MUPR-09-H6 (UE20015) MUPR-12-H6 (UI20016) MUPR-12-H6 (UE20016) MUPR-18-H6 (UI20017) MUPR-18-H6 (UE20017) MUPR-24-H6 (UI20018) MUPR-24-H6 (UE20018)

  • Page 7: Dimension

    3. Dimension 3.1 Indoor Unit Model MUPR-09-H6 (UI20015) MUPR-12-H6 (UI20016) MUPR-18-H6 (UI20017) 1106 MUPR-24-H6 (UI20018)
  • Page 8 For MUPR-09-H6 (UI20015),...
  • Page 9 For MUPR-12-H6 (UI20016), For MUPR-18-H6 (UI20017),...

  • Page 10: Outdoor Unit

    For MUPR-24-H6 (UI20018), 3.2 Outdoor Unit...
  • Page 11 For MUPR-09-H6 (UE20015),...
  • Page 12 For MUPR-12-H6 (UE20016), MUPR-18-H6 (UE20017),...
  • Page 13 For MUPR-24-H6 (UE20018),...

  • Page 14: Refrigerant Cycle Diagram

    4. Refrigerant Cycle Diagram INDOOR OUTDOOR CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE CAPILIARY TUBE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) T1 Room temp. sensor T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE 3-WAY VALVE ACCUMULATOR COOLING COMPRESSOR HEATING...

  • Page 15: Wiring Diagram

    5. Wiring Diagram 5.1 Indoor Units For MUPR-09-H6 (UI20015), MUPR-12-H6 (UI20016), MUPR-18-H6 (UI20017) and MUPR-18-H6 (UI20018) INDOOR INDOOR WIRING DIAGRAM 16022000020169 5(3) CN12 CN19 WHI E T L-OUT MAIN BOARD SWITCH BOARD CN29 CN701 L-IN BLUE(BLACK) YELLOW PI P E TEMPERATURE SENSOR N_IN CN15 CN18...

  • Page 16: Outdoor Units

    5.2 Outdoor Units For MUPR-09-H6 (UE20015) and MUPR-12-H6 (UE20016) YELLOW OR BLACK BLUE 2(N) 1(L) CN 1A INDOOR UNIT POWER SUPPLY 4-WAY OPTIONAL BLUE CRANKCASE HEATER OPTIONAL HEATER BLACK COMPRESSOR CN 21 CN 7 DC-FAN OPTIONAL: 16022000019533 DC-FAN...

  • Page 17: Outdoor Wiring Diagram

    For MUPR-18-H6 (UE20017) and MUPR-18-H6 (UE20018) OUTDOOR WIRING DIAGRAM OUT DOOR The electric heating belt of chassis OPTIONAL HEATER 1 CN414 L-OUT The electric heating BLUE CN13 belt of compressor CN12 BLUE OUTDOOR MAIN BLACK (BLUE) (BROWN) YELLOW CN6-1 CN10 COMPRESSOR CONDENSER DISCHARGE SENSOR...

  • Page 18: Installation Details

    6. Installation Details 6.1 Wrench torque sheet for installation Outside diameter Torque Additional tightening torque inch N.cm N.cm Ф6.35 1500 (153kgf.cm) 1600 (163kgf.cm) Ф9.52 2500 (255kgf.cm) 2600 (265kgf.cm) Ф12.7 3500 (357kgf.cm) 3600 (367kgf.cm) Ф15.9 4500 (459kgf.cm) 4700 (479kgf.cm) Ф19 6500 (663kgf.cm) 6700 (683kgf.cm) 6.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet.

  • Page 19: Pipe Length And The Elevation

    6.3 Pipe length and the elevation The pipe length and refrigerant amount: Standard Max. Max. Additional Pipe size Model length Elevation Length refrigerant Liquid B (m) A (m) (g/m) 3/8’’ 1/4’’ MUPR-09-H6 (Ф6.35) (Ф9.52) 3/8’’ 1/4’’ MUPR-12-H6 (Ф6.35) (Ф9.52) 1/4’’ 1/2’’...

  • Page 20: Installation For The First Time

    6.4 Installation for the first time 3) Connect the charge hose of handle hi connection to the vacuum pump. Air and moisture in the refrigerant system have 4) Fully open the handle Lo of the manifold undesirable effects as below: valve.

  • Page 21: Adding The Refrigerant After Running The System For Many Years

    2) Connect the charge set and a charging cylinder valve at the bottom of the cylinder. If the to the service port of the 3-way valve. refrigerant is R410A, make the cylinder bottom 3). Air purging. up to ensure the liquid charge. Open the valves on the charging cylinder and the 2).

  • Page 22: Re-Installation While The Indoor Unit Need To Be Repaired

    2). Purge the air from the charge hose. 2). Connect the charge hose with the push pin of Open the valve at the bottom of the cylinder handle lo to the 3-way valves gas service port. and press the check valve on the charge set to 3).

  • Page 23: Re-Installation While The Outdoor Unit Need To Be Repaired

    Check the flare connections for gas leakage. 5). Discharge the refrigerant. Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2-way valve approximately 45’ until the gauge indicates 0.3 to 0.5 Mpa. 6).

  • Page 24: Disassemble Guide

    7. Disassemble Guide 7.1 How to Remove the filter Step1: Put your hands at A and B, lift the filter a little to loosen the fastener Step2: Pull the filter gently along the horizontal direction. Step3: Pull out the filter. 7.2 How to Remove the horizontal louver Step1: Open the horizontal louver, push the locker...
  • Page 25 How to hold the indoor for piping connection Step1: Open the screw caps A and B, remove the two screws. Step2: Open the panel assembly, move the slider to fix the panel. Step3: Press the locker A and B, to lose the indoor from the installation plate Step4: Unfold the supporter of Installation plate, then...
  • Page 26 7.4 How to Remove the panel assembly Step1: Open the screw caps A and B, remove the two screws. Step2: Open the panel assembly, loosen the display board connector. Step3: Pull the panel assembly along the direction indicated in right image to remove it.
  • Page 27 7.5 How to Remove the PCB Step1: Press A to remove the terminal cover. Step2: Remove screw B to remove the cover of the electronic control box. Step3: Then you can remove the PCB. Note: It is not necessary to remove the panel to remove the PCB.
  • Page 28 7.7 How to Remove the Chassis assembly CAUTION: Because the 24K indoor unit is relatively large and heavy, it must have two persons to implement the following steps. Step1: Remove the left and right pipe cover. Step2: Remove the 5 screws A,B,C,D,E remove support part F and G.
  • Page 29 Remove Evaporator assembly CAUTION: Because the 24K indoor unit is relatively large and heavy, it must have two persons to implement the following steps. Step1: Remove the Electric control box. Step2: Remove the Chassis assembly Step3: Unfold the Pipe clamp board C, remove screw A and B.

  • Page 30: Operation Characteristics

    8. Operation Characteristics Mode Cooling operation Heating operation Drying operation Temperature Room temperature 17℃~32℃ 0℃~30℃ 10℃~32℃ (62℉~90℉) (32℉~86℉) (50℉~90℉) Outdoor temperature -15℃~50℃ (5℉~122℉) -15℃~30℃ 0℃~50℃ (5℉~86℉) (32℉~122℉) CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally.

  • Page 31: Electronic Function

    Swing, Turbo or Silence feature is cancelled. 9. Electronic function Dispalys ‘ ’ under deforsting operation. 9.1 Abbreviation Dispalys ‘ ’ when anti-cold air feature is T1: Indoor room temperature activated under heating mode. T2: Coil temperature of evaporator Dispalys ‘ ’...

  • Page 32: Main Protection

    9.3 Main Protection 9.3.9 Refrigerant leakage detection This function is only active in cooling mode. It 9.3.1 Three minutes delay at restart for can better prevent the compressor being compressor damaged by refrigerant leakage or compressor Less than 1 minute delay for the 1 time overload.

  • Page 33: Operation Modes And Functions

    9.4 Operation Modes and Functions 9.4.1 Fan mode ( 1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no setting temperature is displayed. (3) Indoor fan can be set to high/med/low/auto. (4) The louver operates same as in cooling mode.
  • Page 34 9.4.2.4 Condenser temperature protection 9.4.3.3 Indoor fan running rules When the compressor is on, the indoor fan can be set to high/med/low/auto/mute. When indoor unit coil temp. is low, the anti-cold Decrease air function will start and indoor fan motor will run at low speed, the speed can’t be Hold changed ,when the temp.
  • Page 35 9.4.3.4 Defrosting mode AC will enter the defrosting mode according to the value of temp. of T3 and the value range of T1-Ts temp. change of T3 and also the compressor Cooling running time. During the defrosting mode, the compressor Fan only keep running, indoor and outdoor motor will stop, defrost lamp of the indoor unit will be lighted...
  • Page 36 9.4.7 Economy function 9.4.10 8℃ Heating function 9.4.7.1 The sleep function is available in In heating operation, the preset temperature of cooling, heating or auto mode. the air conditioner can be as lower as 8℃, 9.4.7.2. Operation process in sleep mode is as which keeps the room temperature steady at follow: 8℃...
  • Page 37 9.4.14 Multi function board (optional CL94383) For MUPR-H6 series，On-off port, Alarm port, XYE port can be chosen at the same time. 2-cored wired controller...
  • Page 38 9.4.15 Point check function Press the LED DISPLAY or LED or MUTE button of the remote controller three times, and then press the AIR DIRECTION or SWING button three times in ten seconds, the buzzer will keep ring for two seconds.
  • Page 39 When the AC enter into the information enquiry status, it will display the code value in the next 25s details are as follows. Enquiry Display value Meaning Remark information T1,T2,T3,T4, -1F,-1E,-1d,-1c,- -25,-24,-23,-22,-21,-2 1. All the displaying temperature is actual T2B,TP,TH, 1b,-1A value.

  • Page 40: Multi-Function Board Instruction

    9.5 Multi-function board instruction (optional CL94383) 9.5.1. Function The multi-function board receives the signal of 4-cored wired controller, Central controller, Non-polar wired controller and CP remote ON/OFF signal (ON/OFF command signal). Then converting it to the communication signal to the main control board. 9.5.2.
  • Page 41 9.5.4. Non-polar wired controller (KJR-120G/TF-E) port (CN44) 9.5.4.1 Each Non-polar wired controller can be connect to Max. 16 indoor units. All the indoor units must be the same series, and in the same network. The address of Multi-function board must be set differently.

  • Page 42: Troubleshooting

    10. Troubleshooting Safety Electricity power is still kept in capacitors even the power supply is shut off. Do not forget to discharge the electricity power in capacitor. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) For other models, please connect discharge resistance (approx.100Ω 40W) or soldering iron (plug) between +, - terminals of the electrolytic capacitor on the contrary side of the outdoor PCB.

  • Page 43: Indoor Unit Error Display

    10.1 Indoor Unit Error Display Operation Timer Display LED STATUS lamp lamp ☆ 1 time Indoor unit EEPROM parameter error ☆ 2 times Indoor / outdoor units communication error ☆ 4 times Indoor fan speed has been out of control Indoor room temperature sensor T1 open circuit or short ☆...

  • Page 44: Troubleshooting

    10.2 Trouble shooting 10.2.1 EEPROM parameter error diagnosis and solution (E0/F4) E0/F4 Error Code Malfunction decision Indoor or outdoor PCB main chip does not receive feedback conditions from EEPROM chip. Supposed causes Installation mistake ● PCB faulty ● Trouble shooting: Power off, then restart the unit 2 minutes later.
  • Page 45 10.2.2 Indoor / outdoor unit’s communication diagnosis and solution (E1) Error Code Malfunction decision Indoor unit does not receive the feedback from outdoor unit during conditions seconds and this condition happens four times continuously. Supposed causes Wiring mistake ● Indoor or outdoor PCB faulty ●...
  • Page 46 10.2.3 Fan speed has been out of control diagnosis and solution (E3) E3/F5 Error Code Malfunction decision When indoor fan speed keeps too low (300RPM) for certain time, conditions the unit will stop and the LED will display the failure. Supposed causes Wiring mistake ●...
  • Page 47 Index1: 1. Indoor or Outdoor 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 48 10.2.4 Refrigerant Leakage Detection diagnosis and solution (EC) Error Code Malfunction decision Define the evaporator coil temp.T2 of the compressor just starts conditions running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 ＜Tcool－2℃ does not keep continuous 4 seconds and this situation happens 3 times, the display area will show “EC”...
  • Page 49 10.2.5 Open circuit or short circuit of temperature sensor diagnosis and solution (E5) E4/E5/F1/F2/F3 Error Code Malfunction decision If the sampling voltage is lower than 0.06V or higher than 4.94V, conditions the LED will display the failure. Supposed causes Wiring mistake ●...
  • Page 50 10.2.6 Overload current protection diagnosis and solution (F0) Error Code Malfunction decision An abnormal current rise is detected by checking the specified conditions current detection circuit. Supposed causes Power supply problems. ● System blockage ● PCB faulty ● Wiring mistake ●...
  • Page 51 10.2.7 IPM malfunction or IGBT over-strong current protection diagnosis and solution (P0) Error Code Malfunction decision When the voltage signal that IPM send to compressor drive chip is abnormal, the display LED will show “P0” and AC will turn off. conditions Supposed causes Wiring mistake...
  • Page 52  IPM continuity check Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital tester to measure the resistance between P and UVWN; UVW and N. Digital tester Normal resistance value Digital tester Normal resistance value (+)Red...
  • Page 53 10.2.8 Over voltage or too low voltage protection diagnosis and solution (P1) Error Code Malfunction decision An abnormal voltage rise or drop is detected by checking the conditions specified voltage detection circuit. Supposed causes Power supply problems. ● System leakage or block ●...
  • Page 54 10.2.9 High temperature protection of compressor top diagnosis and solution (P2) Error Code Malfunction decision If the sampling voltage is not 5V, the LED will display the failure. conditions Supposed causes Power supply problems. ● System leakage or block ● PCB faulty ●...
  • Page 55 10.2.10 Inverter compressor drive error diagnosis and solution (P4) Error Code Malfunction decision An abnormal inverter compressor drive is detected by a special conditions detection circuit, including communication signal detection, voltage detection, compressor rotation speed signal detection and so on. Supposed causes Wiring mistake ●...
  • Page 56 Main parts check 1. Temperature sensor checking Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor discharge temp.(T5) sensor. Measure the resistance value of each winding by using the multi-meter.
  • Page 57 2. Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value ASN98D22UFZ ASM135D23UFZ ATF235D22UMT (MUPR-09/12-H6) (MUPR-18-H6) (MUPR-24-H6) Blue - Red 1.57Ω 1.75Ω 0.75Ω Blue - Black (20℃/68℉) (20℃/68℉) (20℃/68℉) Red - Blue...
  • Page 58 ASK FOR MORE INFORMATION Phone: (+34) 93 446 27 80 eMail: info@mundoclima.com TECHNICAL ASSISTANCE Phone: (+34) 93 652 53 57 www.mundoclima.com...

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