MUND CLIMA MUPO-07-C4 Service Manual
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MUND CLIMA MUPO-07-C4 Service Manual

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MUPO-07-C4 COOL ONLY
Service manual
CL20080
English

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Summary of Contents for MUND CLIMA MUPO-07-C4

  • Page 1 MUPO-07-C4 COOL ONLY Service manual CL20080 English...

  • Page 2: Table Of Contents

    CONTENTS 1. Precaution ............................. 1 1.1 Safety Precaution ..........................1 1.2 Warning ............................... 1 2. Function and control panel ......................... 4 2.1 Function .............................. 4 2.2 Control panel ............................5 3. Dimension ............................. 7 4 Refrigerant Cycle Diagram ........................8 5 Wiring Diagram ............................

  • Page 3: Precaution

    1. Precaution 1.1 Safety Precaution To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. Before service unit, be sure to read this service manual at first. 1.2 Warning Installation Do not use a defective or underrated circuit breaker.
  • Page 4 It may cause injury, accident, or damage to the product. Be sure the installation area does not deteriorate with age. If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury. Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open.
  • Page 5 if the unit is so equipped.) There is risk of physical injury, electric shock, or product failure. When the product is soaked (flooded or submerged), contact an Authorized service center. There is risk of fire or electric shock. Be caution that water could not enter the product. There is risk of fire, electric shock, or product damage.

  • Page 6: Function And Control Panel

    Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigerant system There is risk of damage or loss of property. Do not block the inlet or outlet of air flow. It may cause product failure.

  • Page 7: Control Panel

    ※ LED display(remote controller) ※ Sleep mode ※ Air flow direction adjustment ※ Wait 3 minutes before resuming operation ※ Auto-restart(on some models) ※ Self-diagnosis and auto-protection function. ※ Anti-freezing control in cooling or drying mode ※ Time delay safety, restarting is for approx. 3 minutes on cooling 2.2 Control panel Mode select button ①...
  • Page 8 Used to adjust (increasing/decreasing) temperature settings (1℃/2℉ increments) in a range of 17℃(62℉) to 30℃(88℉) or the TIMER setting in a range of 0~24hrs. ON-OFF button ④ Power switch on/off Timer button ⑤ Used to initiate the AUTO ON start time and AUTO OFF stop time program, in conjuction with the ︿...

  • Page 9: Dimension

    NOTE: When more than one codes occur, the priority of the code display order is: E4--E2--E1--P1 3. Dimension Dimension Mode W(mm) D(mm) H(mm)

  • Page 10: Refrigerant Cycle Diagram

    4 Refrigerant Cycle Diagram The figure below is a brief description of the important components and their function in what is called the refrigeration system. This will help to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle. CAPILIARY TUBE LIQUID SIDE CONDENSER...

  • Page 11: Wiring Diagram

    5 Wiring Diagram 202025590111 BLACK(OR BROWN) WHITE(OR BLUE) POWER GREEN(OR Y/G) BLUE P03 P04 P01 P02 Display board MAIN BOARD CN10 BLUE COMP MOTOR BLUE BROWN BLUE BLACK BLACK...

  • Page 12: Electronic Function

    6 Electronic function 6.1 Terms and definitions TC: Temperature of evaporator (T2). TA: Temperature of indoor ambient (T1). TS: The set temperature. TE: Temperature of condenser (T3) 6.2 Electric Control working environment Input voltage: 187~264V for 50Hz models and 97~127V for 60Hz models; 6.3 Protection function 6.3.1 The compressor functions protection with a delay of three minutes.

  • Page 13: Drying Mode

    Operation conditon Compressor on (TA-Ts) ℃ Compressor off 6.5.2.1 If TA﹥TS+1℃, the two fans operate. After 15 seconds, the compressor operates. 6.5.2.2 If TA≤TS after the compressor operates, this compressor will stop, and two fans last for working all the time. 6.5.3.

  • Page 14: Sensor Malfunction

    6.6.2. The two fans will operate at low speed and the speeds can′t be controlled. The outdoor fan will operate with compressor. 6.6.3 Power management (for some models with power management) Entering into drying mode, indoor fan motor operates immediately and keeps moving for 30 minutes at lease.

  • Page 15: Installation Details

    another 1℃/2℉ after an additional 30 minutes. This new temperature will be maintained for 7 hours before it returns to the originally selected temperature. This ends the Sleep mode and the unit will continue to operate as originally programmed. 7 Installation details 7.1 Installation instructions Location The air conditioner should be placed on a firm foundation to minimize noise and vibration.
  • Page 16 56.2cm (1.84ft) 98.2cm (3.22ft) 56.2cm (1.84ft) 98.2cm (3.22ft)
  • Page 17 56.2cm (1.84ft) 98.2cm (3.22ft) 56.2cm (1.84ft) 98.2cm (3.22ft)
  • Page 18 Note: If the window opening is less than the mentioned minimum length of the window slider kit, cut that one with a hole in it short to fit for the window opening. Do never cut out the hole in window slider kit.
  • Page 19 3. Cut the foam seal (adhesive type) to the proper length and attach it on the top of the window. Show as in Fig.6 4. Close the window sash securely against the window. 5. Cut the foam seal to an appropriate length and sealing the open gap between the top window sash and outer window sash.
  • Page 20 Exhaust hose installation The exhaust hose and adaptor must be installed or removed in accordance with the usage mode. COOL,HEAT(heat pump type) or AUTO mode Install FAN,DEHUMIDIIFY or HEAT(electrical heat type) mode Remove 1. Install the window Exhaust adaptor B onto the exhaust hose as shown in Fig.8 or Fig.9. Refer to the previous pages for window kit installation.
  • Page 21 The exhaust hose can be installed into the wall (Not applicable to the units without adaptor A, expansion plugs and wooden screws of Accessories). 1. Prepare a hole in the wall. Install the wall Exhaust adaptor A onto the wall (outside) by using 4 expansion plugs and wooden screws, be sure to fix thoroughly.
  • Page 22 Water drainage During dehumidifying modes, remove the drain plug from the back of the unit, install the drain connector(5/8〞universal female mender) with 3 /4〞hose(locally purchased). For the models without drain connector, just attach the drain hose to the hole. Place the open end of the hose directly over the drain area in your basement floor.

  • Page 23: Care And Maintenance

    the machine until the "P1" symbol disappears. If the error repeats, call for service. 7.2 Care and maintenance Important 1) Be sure to unplug the unit before cleaning or servicing. 2) Do not use gasoline, thinner or other chemicals to clean the unit. 3) Do not wash the unit directly under a tap or using a hose.

  • Page 24: Basic Test Procedure

    Cleaning Wash the air filter by immersing it gently in warm water (about 40℃/104℉) with a neutral detergent. Rinse the filter and dry it in a shady place. Mounting Install the upper air filter after cleaning by pating along the arrow direction and install the lower filter along the arrow direction (see Fig.17).
  • Page 25 8.1.1 Compressor wiring test Remove compressor terminal box cover and disconnect wires from terminals. Using an ohmmeter, check continuity across the following: Terminal "C" and "S" - no continuity - Open winding - replace compressor. Terminal "C" and "R" - no continuity - Open winding - replace compressor.
  • Page 26 A. Below normal high side pressure. B. Above normal low side pressure. C. Low temperature difference across coil The compressor valves are faulty - replace the compressor 8.1.4 Terminal overload (external) Some compressors are equipped with an external overload which is located in the compressor terminal box adjacent to the compressor body.

  • Page 27: Sealed Refrigeration System Repairs

    8.1.7 Checking the internal overload 1. No power to unit, remove the leads from the compressor terminals. 2. Using an ohmmeter, test continuity between terminals C-S and C-R. If not continuous, the compressor overload is open and the compressor must be replaced. 8.2 Sealed refrigeration system repairs 8.2.1 Equipment require 1.
  • Page 28 by installing a line tap on the process tube. Apply gauge from process tube to EPA approved gauges from process tube to EPA approved recovery system. Recover CFCs in system to at least 2. Cut the process tube below pinch off on the suction side of the compressor. 3.

  • Page 29: Fan Motor

    8.2.5 Rotary compressor special troubleshooting and service Basically, troubleshooting and servicing rotary compressors is the same as on the reciprocating compressor with only a few exceptions. 1. Because of the spinning motion of the rotary, the mounts are critical. If vibration is present, check the mounts carefully.

  • Page 30: Capacitor

    8.4 Capacitor A run capacitor is wired across the auxiliary and main winding of a single phase permanent split capacitor motor such as the compressor and fan motor. A single capacitor can be used for each motor or a dual rated capacitor can be used for both. The capacitor's primary function is to reduce the line current while greatly improving the torque characteristics of a motor.

  • Page 31: Characteristic Of Temperature Sensor

    9 Characteristic of temperature sensor Resistance Resistance Resistance Temp.℃ Temp.℃ Temp.℃ KΩ KΩ KΩ 62.2756 14.6181 4.3874 58.7079 13.918 4.2126 56.3694 13.2631 4.0459 52.2438 12.6431 3.8867 49.3161 12.0561 3.7348 46.5725 11.5 3.5896 10.9731 3.451 41.5878 10.4736 3.3185 39.8239 3.1918 37.1988 9.5507 3.0707 35.2024...

  • Page 32: Troubleshooting

    10 Troubleshooting In general, possible trouble is classified in three kinds. One is called Starting Failure which is caused from an electrical defect, another is ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application, and the other is called the Structure Damage.
  • Page 33 ASK FOR MORE INFORMATION: TION: Phone: (+34) 93 446 27 80 - Fax: (+34) 93 456 90 32 eMail: mundoclima@salvadorescoda.com TECHNICAL ASSISTANCE: Phone: (+34) 93 652 53 57 - Fax: (+34) 93 635 45 08...

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