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Panasonic CS-NE12JKE Service Manual

Other manuals for CS-NE12JKE: Operating Instructions Manual
Manual is about: Indoor/Outdoor Unit

Summary of CS-NE12JKE

  • Page 1

    © panasonic ha air-conditioning (m) sdn. Bhd. 2010. Unauthorized copying and distribution is a violation of law. Order no. Phaam1007139c2 air conditioner indoor unit outdoor unit cs-ne9lke cu-ne9lke cs-ne12lke cu-ne12lke cs-xe9lke-5 cu-ne9lke cs-xe12lke-5 cu-ne12lke table of contents page page 1 saf...

  • Page 2

    2 12.8. Timer control---------------------------------------------- 36 12.9. Auto restart control------------------------------------- 36 12.10. Indication panel------------------------------------------- 36 12.11. Patrol operation ------------------------------------------ 37 12.12. E-ion operation...

  • Page 3: 1 Safety Precautions

    3 1 safety precautions • read the following “safety precautions” carefully before perform any servicing. • electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. • the caution items stated...

  • Page 4

    4 18. For r410a models, when connecting the piping, do not use any existing (r22) pipes and flare nuts. Using such same may cause abnormally high pressure in the refrigeration cycle (piping), and possibly result in explosion and injury. Use only r410a materials. Thickness of copper pipes used with r...

  • Page 5: 2 Specifications

    5 2 specifications model indoor cs-ne9lke, cs-xe9lke-5 outdoor cu-ne9lke performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 0.60 2.50 3.00 btu/h — — — kcal/h 520 2150 2580 running current a — 2.6 — input power w 120 540 745 annual consumpti...

  • Page 6

    6 out d oor f an type propeller fan material pp motor type dc type (8-poles) input power w — output power w 40 speed hi cool rpm 800 heat rpm 790 moisture removal l/h (pt/h) 1.5 (3.2) indoor airflow qlo cool/fan m 3 /min (ft 3 /min) 6.9 (243) heat m 3 /min (ft 3 /min) 7.3 (256) lo cool/fan m 3 /min ...

  • Page 7

    7 1. Cooling capacities are based on indoor temperature of 27 °c dry bulb (80.6°f dry bulb), 19.0°c wet bulb (66.2°f wet bulb) and outdoor air temperature of 35 °c dry bulb (95°f dry bulb), 24°c wet bulb (75.2°f wet bulb) 2. Heating capacities are based on indoor temperature of 20 °c dry bulb (68°f ...

  • Page 8

    8 model indoor cs-ne12lke, cs-xe12lke-5 outdoor cu-ne12lke performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 0.60 3.50 4.00 btu/h — — — kcal/h 520 3010 3440 running current a — 4.3 — input power w 120 910 1.17k annual consumption kwh — 455...

  • Page 9

    9 out d oor f an type propeller fan material pp motor type dc type (8-poles) input power w — output power w 40 speed hi cool rpm 840 heat rpm 820 moisture removal l/h (pt/h) 2.0 (4.2) indoor airflow qlo cool/fan m 3 /min (ft 3 /min) 7.5 (265) heat m 3 /min (ft 3 /min) 9.4 (329) lo cool/fan m 3 /min ...

  • Page 10

    10 1. Cooling capacities are based on indoor temperature of 27 °c dry bulb (80.6°f dry bulb), 19.0°c wet bulb (66.2°f wet bulb) and outdoor air temperature of 35 °c dry bulb (95°f dry bulb), 24°c wet bulb (75.2°f wet bulb) 2. Heating capacities are based on indoor temperature of 20 °c dry bulb (68°f...

  • Page 11: 3 Features

    11 3 features • inverter technology - wider output power range - energy saving - more precise temperature control • e-ion air purifying system with patrol sensor - active e-ions are released to catch dust particles and bring them back the large positively charged filter • environment protection - no...

  • Page 12

    12 4 location of controls and components 4.1. Indoor unit 4.2. Outdoor unit 4.3. Remote control.

  • Page 13: 5 Dimensions

    13 5 dimensions 5.1. Indoor unit.

  • Page 14

    14 5.2. Outdoor unit.

  • Page 15

    15 6 refrigeration cycle diagram.

  • Page 16: 7 Block Diagram

    16 7 block diagram.

  • Page 17: 8 Wiring Connection Diagram

    17 8 wiring connection diagram 8.1. Indoor unit.

  • Page 18

    18 8.2. Outdoor unit.

  • Page 19

    19 9 electronic circuit diagram 9.1. Indoor unit.

  • Page 20

    20 9.2. Outdoor unit.

  • Page 21: 10 Printed Circuit Board

    21 10 printed circuit board 10.1. Indoor unit 10.1.1. Main printed circuit board.

  • Page 22

    22 10.1.2. Power printed circuit board 10.1.3. Indicator printed circuit board.

  • Page 23

    23 10.1.4. Receiver printed circuit board 10.1.5. High voltage power supply printed circuit board.

  • Page 24

    24 10.2. Outdoor unit.

  • Page 25: 11 Installation Instruction

    25 11 installation instruction 11.1. Select the best location 11.1.1. Indoor unit • do not install the unit in excessive oil fume area such as kitchen, workshop and etc. • there should not be any heat source or steam near the unit. • there should not be any obstacles blocking the air circulation. • ...

  • Page 26

    26 11.2. Indoor unit 11.2.1. How to fix installation plate the mounting wall shall be strong and solid enough to prevent it from the vibration. The centre of installation plate should be at more than at right and left of the wall. The distance from installation plate edge to ceiling should more than...

  • Page 27

    27 1. For the right rear piping 2. For the right and right bottom piping 3. For the embedded piping (this can be used for right bottom piping also.).

  • Page 28

    28 11.2.4. Connect the cable to the indoor unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm 2 flexible cord, type designation 245 iec 57 o...

  • Page 29

    29 cutting and flaring the piping 1. Please cut using pipe cutter and then remove the burrs. 2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3. Please make flare after inserting the flare n...

  • Page 30

    30 11.3. Outdoor unit 11.3.1. Install the outdoor unit • after selecting the best location, start installation to indoor/outdoor unit installation diagram. 1. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2. When installing at roof, please consider strong wind...

  • Page 31

    31 5. Disconnect the charging hose from the vacuum pump and from the service port of the 3-way valve. 6. Tighten the service port caps of the 3-way valve at a torque of 18 n • m with a torque wrench. 7. Remove the valve caps of both of the 2-way valve and 3-way valve. Position both of the valves to ...

  • Page 32: 12 Operation and Control

    32 12 operation and control 12.1. Basic function inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer mai...

  • Page 33

    33 12.1.5. Automatic operation • this mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode, indoor intake air temperature and outdoor air temperature. • during operation mode judgment, indoor fan motor (with speed of l...

  • Page 34

    34 [heating] • according to indoor pipe temperature, automatic heating fan speed is determined as follows. B. Feedback control • immediately after the fan motor started, feedback control is performed once every second. • during fan motor on, if fan motor feedback 2550 rpm or increase, fan motor is t...

  • Page 35

    35 12.4.2. Horizontal airflow • the horizontal airflow direction louvers can be adjusted manually by hand. 12.5. Quiet operation (cooling mode/cooling area of dry mode) a. Purpose to provide quiet cooling operation compare to normal operation. B. Control condition a. Quiet operation start condition ...

  • Page 36

    36 c. Control contents a. Fan speed manual 1. Fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of hi, me, lo for 3db. 2. Fan speed for quiet operation is reduced from setting fan speed. B. Fan speed auto 1. Indoor fm rpm depends on pipe temp ...

  • Page 37

    37 12.11. Patrol operation a. Purpose to monitor air dirtiness level by using patrol sensor and to maintain air freshness by activates e-ion operation. B. Control condition a. Patrol operation start condition • when the unit operation is started with “off/on” button. • when the unit stops, “patrol” ...

  • Page 38

    38 • dirtiness level sensitivity adjustment it is possible to change the gas sensor sensitivity, where the threshold value (g1 ~ g4) will be shifted accordingly: 1. Press and release “set” buttton. 2. Press “timer increment” / “timer decrement” button to select sensitivity. (low standard (default) h...

  • Page 39

    39 h. Power failure • during patrol individual operation, if power failure occurs, after power resumes, patrol individual operation resumes immediately. • during combination operation, if power failure occurs, after power resumes combination operation resume immediately. I. Error detection control •...

  • Page 40

    40 c. Control content a. Indoor fan control • during any operation mode combines with e-ion operation, fan speed follows respective operation mode. • during e-ion individual operation - only auto fan speed and no powerful operation is allowed. Even if fan speed button is pressed, no signal is sent t...

  • Page 41

    41 error reset method • press “off/on” button to off the operation. • press auto off/on button at indoor unit to off the operation. • off timer activates. • press “e-ion” button during e-ion individual mode. • power supply reset. Iii. E-ion breakdown judgement method • when hi-feedback voltage (at m...

  • Page 42

    42 12.13. +8/10 ° c heat operation • +8/10 °c heat operation provides heating at low setting temperature in unoccupied houses during winter for the purpose of protecting equipments or housing appliances which may be destroyed by the extreme cold weather. • this operation can be on by pressing the +8...

  • Page 43: 13 Protection Control

    43 13 protection control 13.1. Protection control for all operations 13.1.1. Restart control (time delay safety control) • the compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing off/on button at remote control within this pe...

  • Page 44

    44 13.1.5. Compressor overheating prevention control • instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below. • if compressor discharge temperature exceeds 112 °c, compressor will be stopped, occurs 4 times per 20 m...

  • Page 45

    45 13.2. Protection control for cooling & soft dry operation 13.2.1. Outdoor air temperature control • the compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below. • this control will begin 1 minute after the compressor starts. • compres...

  • Page 46

    46 13.2.6. Dew prevention control 2 • to prevent dew formation at indoor unit discharge area. • this control starts if all conditions continue for 20 minutes: - operated with cooling or soft dry mode. - indoor intake temperature is between 25 °c and 29°c. - outdoor air temperature is less than 30 °c...

  • Page 47: 14 Servicing Mode

    47 14 servicing mode 14.1. Auto off/on button 1. Auto operation mode the auto operation will be activated immediately once the auto off/on button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction. 2. Test run operati...

  • Page 48

    48 4. Remote control receiving sound off/on mode the remote control receiving sound off/on mode will be activated if the auto off/on button is pressed continuously for more than 16 seconds (4 “beep” sounds will occur at 16th seconds to identify the remote control receiving sound off/on mode is in st...

  • Page 49: 15 Troubleshooting Guide

    49 15 troubleshooting guide 15.1. Refrigeration cycle system in order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a f...

  • Page 50

    50 15.1.1. Relationship between the condition of the air conditioner and pressure and electric current • carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is started. Cooling mode heating mode low pressure high pressure electric current duri...

  • Page 51

    51 15.2. Breakdown self diagnosis function 15.2.1. Self diagnosis function (three digits alphanumeric code) • once abnormality has occurred during operation, the unit will stop its operation, and timer led blinks. • although timer led goes off when power supply is turned off, if the unit is operated...

  • Page 52

    52 15.3. Error codes table abnormality / protection control abnormality judgement protection operation problem check location diagnosis display h00 no memory of failure — normal operation — — h11 indoor/outdoor abnormal communication after operation for 1 minute indoor fan only operation can start b...

  • Page 53

    53 f93 compressor abnormal revolution 4 times happen within 20 minutes — compressor abnormal revolution • power transistor module faulty or compressor lock f95 outdoor cooling high pressure protection 4 times happen within 20 minutes — cooling high pressure protection • check refrigeration system • ...

  • Page 54

    54 15.4. Self-diagnosis method 15.4.1. H11 (indoor/outdoor abnormal communication) malfunction decision conditions during startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction caused • faulty ...

  • Page 55

    55 15.4.2. H14 (indoor intake air temperature sensor abnormality) malfunction decision conditions during startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector conn...

  • Page 56

    56 15.4.3. H15 (compressor temperature sensor abnormality) malfunction decision conditions during startup and operation of cooling and heating, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector connection...

  • Page 57

    57 15.4.4. H16 (outdoor current transformer open circuit) malfunction decision conditions a current transformer (ct) is detected by checking the compressor running frequency ( rated frequency) and ct detected input current (less than 0.65a) for continuously 20 seconds. Malfunction caused • ct defect...

  • Page 58

    58 15.4.5. H19 (indoor fan motor - dc motor mechanism locked) malfunction decision conditions the rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550rpm or malfunction caused • operation stops due to short circuit ins...

  • Page 59

    59 15.4.6. H23 (indoor pipe temperature sensor 1 abnormality) malfunction decision conditions during startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor 1 are used to determine sensor errors. Malfunction caused • faulty connector co...

  • Page 60

    60 15.4.7. H24 (indoor pipe temperature sensor 2 abnormality) malfunction decision conditions during startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor 2 are used to determine sensor errors. Malfunction caused • faulty connector co...

  • Page 61

    61 15.4.8. H25 (e-ion air purifying system abnormal) malfunction decision conditions during standby of cooling and heating operation, e-ion breakdown occurs and air conditioner stops operation. Malfunction caused • faulty indoor main pcb. • faulty indoor e-ion power module. Troubleshooting.

  • Page 62

    62 15.4.9. H27 (outdoor air temperature sensor abnormality) malfunction decision conditions during startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector connection. • fa...

  • Page 63

    63 15.4.10. H28 (outdoor pipe temperature sensor abnormality) malfunction decision conditions during startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector connection. •...

  • Page 64

    64 15.4.11. H30 (compressor discharge temperature sensor abnormality) malfunction decision conditions during startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sen- sor are used to determine sensor errors. Malfunction caused • faulty con...

  • Page 65

    65 15.4.12. H33 (unspecified voltage between indoor and outdoor) malfunction decision conditions the supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction caused • wrong models interconnected. • wrong indoor unit and outdoor unit pcbs used. • indoor unit or out...

  • Page 66

    66 15.4.13. H58 (patrol sensor abnormality) malfunction decision conditions • if patrol sensor feedback is 0v or 5v continuous for 6 hours. • error will display only when the patrol operation is on. Malfunction caused • faulty connector connection. • faulty patrol sensor. Troubleshooting.

  • Page 67

    67 15.4.14. H97 (outdoor fan motor - dc motor mechanism locked) malfunction decision conditions the rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor. Malfunction caused • operation stops due to short circuit inside the fan motor winding. • ope...

  • Page 68

    68 15.4.15. H98 (indoor high pressure protection) error code will not display (no timer led blinking) but store in eeprom malfunction decision conditions during heating operation, the temperature detected by the indoor pipe temperature sensor is above 60 °c. Malfunction caused • clogged air filter o...

  • Page 69

    69 15.4.16. H99 (indoor freeze prevention protection: cooling or soft dry) error code will not display (no timer led blinking) but store in eeprom malfunction decision conditions freeze prevention control takes place (when indoor pipe temperature is lower than 2 °c) malfunction caused • clogged air ...

  • Page 70

    70 15.4.17. F11 (4-way valve abnormality) malfunction decision conditions • when heating operation, when indoor pipe temperature is below 10 °c • when cooling operation, when indoor pipe temperature is above 45 °c malfunction caused • connector in poor contact • faulty sensor • faulty outdoor unit p...

  • Page 71

    71 15.4.18. F90 (power factor correction protection) malfunction decision conditions during startup and operation of cooling and heating, when power factor correction (pfc) protection circuitry at the outdoor unit main pcb senses abnormal high dc voltage level. Malfunction caused • dc voltage peak d...

  • Page 72

    72 15.4.19. F91 (refrigeration cycle abnormality) malfunction decision conditions • during cooling, compressor frequency = fcmax. • during heating, compressor frequency > fhrated. • during cooling and heating operation, running current: 0.65a • during cooling, indoor intake - indoor pipe °c • during...

  • Page 73

    73 15.4.20. F93 (compressor rotation failure) malfunction decision conditions a compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction caused • compressor terminal disconnect • outdoor pcb malfunction troubleshooting.

  • Page 74

    74 15.4.21. F95 (cooling high pressure abnormality) malfunction decision conditions during operation of cooling, when outdoor unit heat exchanger high temperature data (61 °c) is detected by the outdoor pipe temperature sensor. Malfunction caused • outdoor pipe temperature rise due to short circuit ...

  • Page 75

    75 15.4.22. F96 (ipm overheating) malfunction decision conditions during operating of cooling and heating, when ipm temperature data (100 °c) is detected by the ipm temperature sensor. Multi models only • compressor overheating: during operation of cooling and heating, when the compressor ol is acti...

  • Page 76

    76 15.4.23. F97 (compressor overheating) malfunction decision conditions during operation of cooling and heating, when compressor tank temperature data (112 °c) is detected by the compressor tank temperature sensor. Malfunction caused • refrigerant shortage (refrigerant leakage). • 2/3 way valve clo...

  • Page 77

    77 15.4.24. F98 (input over current detection) malfunction decision conditions during operation of cooling and heating, when an input over-current (16.8a) is detected by checking the input current value being detected by current transformer (ct) with the compressor running. Malfunction caused • over...

  • Page 78

    78 15.4.25. F99 (output over current detection) malfunction decision conditions during operation of cooling and heating, when an output over-current (18.5a) is detected by checking the current that flows in the inverter dc peak sensing circuitry. Malfunction caused • dc peak due to compressor failur...

  • Page 79

    79 16 disassembly and assembly instructions 16.1. Indoor electronic controllers, cross flow fan and indoor fan motor removal procedures 16.1.1. To remove front grille 16.1.2. To remove power electronic controller high voltages are generated in the electrical parts area by the capacitor. Ensure that ...

  • Page 80

    80 16.1.3. To remove discharge grille.

  • Page 81

    81 16.1.4. To remove control board 16.1.5. To remove cross flow fan and indoor fan motor.

  • Page 82

    82.

  • Page 83

    83 16.2. Outdoor electronic controller removal procedure caution! When handling electronic controller, be careful of electrostatic discharge. 1. Remove the 3 screws of the top panel. Fig. 1 2. Remove the 6 screws of the front panel. Fig. 2 3. Remove the screw of the terminal board cover. 4. Remove t...

  • Page 84: 17 Technical Data

    84 17 technical data 17.1. Operation characteristics 17.1.1. Cu-ne9lke.

  • Page 85

    85.

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    86.

  • Page 87

    87.

  • Page 88

    88 17.1.2. Cu-ne12lke.

  • Page 89

    89.

  • Page 90

    90

  • Page 91

    91.

  • Page 92

    92 17.2. Sensible capacity chart • cu-ne9lke • cu-ne12lke 230v outdoor temp. ( °c) indoor wet bulb temp. 30 35 40 46 tc shc ip tc shc ip tc shc ip tc shc ip 17.0 °c 2.48 1.88 0.49 2.32 1.80 0.53 2.16 1.73 0.57 1.96 1.65 0.61 19.0 °c 2.50 0.54 19.5 °c 2.72 1.97 0.50 2.55 1.89 0.54 2.37 1.82 0.58 2.15...

  • Page 93

    93 18 exploded view and replacement parts list 18.1. Indoor unit note the above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts..

  • Page 94

    94 (note) • all parts are supplied from phaam, malaysia (vendor code: 00029488). • “o” marked parts are recommended to be kept in stock. Ref. No. Part name & description qty. Cs-ne9lke cs-xe9lke-5 cs-ne12lke cs-xe12lke-5 remarks 1 chassy complete 1 cwd50c1653 cwd50c1605 cwd50c1653 cwd50c1605 2 fan m...

  • Page 95

    95 18.2. Outdoor unit note the above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts..

  • Page 96

    96 (note) • all parts are supplied from phaam, malaysia (vendor code: 00029488). • “o” marked parts are recommended to be kept in stock. [phaam] printed in malaysia sfbz1007-00 ref. No. Part name & description qty. Cu-ne9lke cu-ne12lke remarks 1 chassy ass’y 1 cwd50k2202 ← 2 anti-vibration bushing 3...