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Panasonic CS-NE12PKE Service Manual

Other manuals for CS-NE12PKE: Operating Instructions Manual

Summary of CS-NE12PKE

  • Page 1

    © panasonic corporation 2013. Order no: papamy1307112ce indoor unit outdoor unit cs-ne9pke cs-ne12pke cs-qe9pke cs-qe12pke cu-ne9pke cu-ne12pke cu-qe9pke cu-qe12pke destination north europe table of contents 1. Safety precautions.............................................3 2. Specification ..........

  • Page 2

    2 10.2 outdoor unit ...............................................23 11. Installation instruction.....................................24 11.1 select the best location ...........................24 11.2 indoor unit ..................................................25 11.3 outdoor unit .................

  • 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 state...

  • Page 4

    4 warning 20. During pump down operation, stop the compressor before remove the refrigeration piping. (removal of refrigeration piping while compressor is operating and valves are opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injur...

  • Page 5: 2. Specification

    5 2. Specification indoor cs-ne9pke cs-qe9pke model outdoor cu-ne9pke cu-qe9pke performance test condition eurovent phase, hz single, 50 power supply v 230 min. Mid. Max. Kw 0.85 2.50 3.00 btu/h 2900 8530 10200 capacity kcal/h 730 2150 2580 running current a – 2.5 – input power w 170 515 710 annual ...

  • Page 6

    6 indoor cs-ne9pke cs-qe9pke model outdoor cu-ne9pke cu-qe9pke type cross-flow fan material asg33 motor type dc / transistor (8-poles) input power w 44.9 output power w 40 cool/fan rpm 630 qlo heat rpm 690 cool/fan rpm 700 lo heat rpm 740 cool/fan rpm 860 me heat rpm 910 cool/fan rpm 1030 hi heat rp...

  • Page 7

    7 indoor cs-ne9pke cs-qe9pke model outdoor cu-ne9pke cu-qe9pke inner diameter mm 16 drain hose length mm 650 fin material aluminium (pre coat) fin type slit fin row × stage × fpi 2 × 17 × 19 indoor heat exchanger size (w × h × l) mm 636.5 × 357 × 25.4 fin material aluminium fin type corrugate fin ro...

  • Page 8

    8 indoor cs-ne12pke cs-qe12pke model outdoor cu-ne12pke cu-qe12pke performance test condition eurovent phase, hz single, 50 power supply v 230 min. Mid. Max. Kw 0.85 3.50 4.00 btu/h 2900 11900 13600 capacity kcal/h 730 3010 3440 running current a – 4.0 – input power w 170 870 1.12k annual consumptio...

  • Page 9

    9 indoor cs-ne12pke cs-qe12pke model outdoor cu-ne12pke cu-qe12pke type cross-flow fan material asg33 motor type dc / transistor (8-poles) input power w 44.9 output power w 40 cool/fan rpm 710 qlo heat rpm 860 cool/fan rpm 760 lo heat rpm 920 cool/fan rpm 940 me heat rpm 1060 cool/fan rpm 1120 hi he...

  • Page 10

    10 indoor cs-ne12pke cs-qe12pke model outdoor cu-ne12pke cu-qe12pke inner diameter mm 16 drain hose length mm 650 fin material aluminium (pre coat) fin type slit fin row × stage × fpi 2 × 17 × 21 indoor heat exchanger size (w × h × l) mm 636.5 × 357 × 25.4 fin material aluminium fin type corrugate f...

  • Page 11: 3.   Features

    11 3. Features • inverter technology o wider output power range o energy saving o more precise temperature control • air purifying system with nanoe-g o deactivates and removes bacterial, viruses and mould • environment protection o non-ozone depletion substances refrigerant (r410a) • long installat...

  • Page 12

    12 4. Location of controls and components 4.1 indoor unit front panel air filters horizontal airflow direction louver • manually adjustable. Auto off/on button sunlight sensor and remote control receiver (maximum distances: 8m) • use when remote control is misplaced or a malfunction occurs. Aluminiu...

  • Page 13: 5. Dimensions

    13 5. Dimensions 5.1 indoor unit liquid side gas side 60 119.1 60 105.8 1-2 1-2 left ping hole relative position between the indoor unit and the installation plate right ping hole air intake direction air outlet direction 16.4 264. 1 unit : mm 870 590 (41-61) 255 47 29 5 60 41 .5 60 41 .5 mode power...

  • Page 14

    14 5.2 outdoor unit anchor bolt pitch 330 x 540 space necessary for installation 10cm 10cm 100cm unit : mm 3-way valve at gas side (low pressure) 2-way valve at liquid side (high pressure) 22 (124) (53.4) 33 0 62 2 16 7 97 69 (2 3 ) 61 32 540 160 824 68.5 37 299.

  • Page 15

    15 6. Refrigeration cycle diagram indoor outdoor intake temp. Sensor pipe temp. Sensor (eva inlet) pipe temp. Sensor tank temp. Sensor intake temp. Sensor pipe temp. Sensor liquid side 2-way valve 3-way valve gas side cooling heat exchanger (evaporator) heat exchanger (condenser) heating compressor ...

  • Page 16: 7. Block Diagram

    16 7. Block diagram si n g le p h ase po w e r su pp ly 1 Ø 230v 50hz sc te m p e r a t u r e fu s e m 1 f u se 1 03 3 r y -pw r r y -pw r 2 1 (i n d o o r uni t ) (o ut do o r u n it ) u f u se 1 04 pt c 2 no is e fil ter c t 101 r eac t o r nt c th 1 r y -pw r ry -a c pt c 1 c103 l n ic 19 ms 3~ m...

  • Page 17

    17 8. Wiring connection diagram 8.1 indoor unit electronic control ler (main) lig h t s e n s or up do w n l o u ver m o t o r (o ut e r ) up do w n l o u ver m o t o r (i nne r ) cn -s tm 1 (wh t ) br 1 5 1 5 r o m y p cn -s t m 4 (b l u ) br 1 5 1 5 r o m y p w w w w pipi n g t e m p . Sen sor 2 (...

  • Page 18

    18 8.2 outdoor unit terminal board to indoor unit compressor fan motor outdoor air temp. Sensor (thermistor) piping temp. Sensor (thermistor) 1 4 cn-th1 (wht) cn-tank (wht) t 0 t 0 base pan heater fg2 (grn) cn-mtr2 (wht) cn-mtr1 (wht) grn grn data (red) ac-blk (blk) ac-wht (wht) fgi (grn) red blk wh...

  • Page 19

    19 9. Electronic circuit diagram 9.1 indoor unit 5v r3 0 b21 bz e lec t r o n ic co nt r o lle r (ma in ) 4 3 2 1 w w w w 4 3 2 1 1 2 3 4 fu s e 3 0 1 t 3 .15a l250 v ry -p w r ry -p w r 2 y/ g y/ g te m p . F u s e 102 °c ( 3 a ) te m p . F u s e 102 °c ( 3 a ) ev ap o r a t or 1 2 3 a c 304 (re d ...

  • Page 20

    20 9.2 outdoor unit sensor (thermistor) characteristics 70 60 50 40 30 20 10 0 -10 0 10 temperature (°c) re sist a n ce ( kΩ ) 20 30 40 50 1 2 1 2 outdoorair sensor outdoor heat exchanger sensor compressor temp. Sensor (thermistor) characteristics 70 60 50 40 30 20 10 0 20 40 60 temperature (°c) re ...

  • Page 21: 10.  Printed Circuit Board

    21 10. Printed circuit board 10.1 indoor unit 10.1.1 main printed circuit board ac303 cn-stm1 cn-stm4 cn-rcv cn-disp cn-cln cn-cnt cn-th cn-fm jp1 (random auto restart enable/disable) 10.1.2 indicator printed circuit board led301 led302 led304 led305 led307 led306 cn-disp led303.

  • Page 22

    22 10.1.3 receiver printed circuit board cn-rcv 10.1.4 high voltage power supply printed circuit board.

  • Page 23

    23 10.2 outdoor unit 10.2.1 main printed circuit board.

  • Page 24: 11. Installation

    24 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. • a...

  • Page 25

    25 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 vibration. 128 mm dis tance to pipe hole center 128 mm distanceto pipe hole center 128 mm pipe hole center pipe hole center wall wall wall installation plate 1 2 screw more ...

  • Page 26

    26 11.2.3 indoor unit installation 11.2.3.1 for the right rear piping step-1 pull out the indoor piping step-2 install the indoor unit step-3 secure the indoor unit step-4 insert the connection cable 11.2.3.2 for the right and right bottom piping step-1 pull out the indoor piping step-2 install the ...

  • Page 27

    27 rear view for left piping installation drain cap drain hose • how to pull the piping and drain hose out, in case of the embedded piping . Pvc tube for drain hose indoor unit 72 mm piping cable apply putty or caulking material to seal the wall opening. Connection cable piping more than 470 m m mo ...

  • Page 28

    28 7 remove the tapes and connect the power supply cord and connection cable between indoor unit and outdoor unit according to the diagram below. Terminals on the outdoor unit colour of wires (connection cable) terminals on the indoor unit (power supply cord) terminals on the isolating devices (disc...

  • Page 29

    29 warning risk of fire joining of wires may cause overhe ating and fire. Do not joint wires or or or use complete wire without joining. Use approved socket and plug with ea rth pin. Wire connection in this area must follow to national wi ring rules..

  • 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 and...

  • Page 31

    31 11.3.3 evacuation of the equipment when installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. Lo hi open close gas side liquid side outdoor unit two-way valve three- way valve indoor unit vacuum pump close close 1 connect a chargin...

  • Page 32

    32 11.3.4 connect the cable to the outdoor unit 1 remove the control board cover from the unit by loosening the screw. 2 connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm 2 flexible cord, type designation 245 iec 57 or heavier cord. Do not us...

  • Page 33: 12.  Operation and Control

    33 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 34

    34 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 and indoor intake air temperature. • during operation mode judgment, indoor fan motor (with speed of lo-) is running for 30 seco...

  • Page 35

    35 ii. Auto fan speed [cooling, dry] • according to room temperature and setting temperature, indoor fan speed is determined automatically. • the indoor fan will operate according to pattern below. A b c d e f g h [1 pattern : 10 s] a b higher fan speed medium lower [fan] • indoor fan speed is fixed...

  • Page 36

    36 12.4.1 vertical airflow upper vane angle (°) lower vane angle (°) operation mode airflow direction 1 2 3 4 5 1 2 3 4 5 a 25 17 b 55 37 auto with heat exchanger temperature c 25 17 summer house 55 37 heating manual 20 45 55 65 70 17 27 37 47 56 auto 45 ~ 70 2 ~ 39 cooling and fan manual 20 25 50 5...

  • Page 37

    37 c. Control contents 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. (some models more than 3db). 2. Fan speed for quiet operation is reduced from setting fan speed. 12.6 quiet operation (heating) a. Purpose to pr...

  • Page 38

    38 12.8 timer control • there are 2 sets of on and off timer available to turn the unit on or off at different preset time. • if more than one timer had been set, the upcoming timer will be displayed and will activate in sequence. 12.8.1 on timer control • on timer 1 and on timer 2 can be set using ...

  • Page 39

    39 12.11 nanoe-g operation • this operation provides clean air by producing great amount of negative ions and distribute through the discharge airflow to capture or deactivate moulds, bacteria or viruses. • nanoe-g operation start condition o during unit running at any operation mode, if nanoe-g ope...

  • Page 40

    40 • nanoe-g check mode o to enable nanoe-g check mode, during nanoe-g operation on: set set transmit eco demo code and after 2 seconds return to normal mode. Press continuously for 15s set transmit check code and after 2 seconds return to normal mode. Set transmit sunlight sensor check code and aft...

  • Page 41

    41 o nanoe-g breakdown error judgment method • hi-feedback voltage (at microcontroller) supplied to the nanoe-g system when nanoe-g operation is off; nanoe-g breakdown error show immediately. • it is due to indoor pcb or nanoe-g high voltage power supply damage. • operations except nanoe-g continue....

  • Page 42

    42 12.12 econavi operation • econavi start condition: when econavi button is pressed. • econavi stop conditions: when econavi button is pressed again. When unit is off by off/on button. When unit is off when off timer activates. When unit is off by auto off/on button at indoor unit. When powerful, q...

  • Page 43

    43 12.12.1.2 judge sunlight intensity • based on sunlight sensor output voltage, the sunlight intensity value will be computed and logged to sunlight intensity database. • the sunlight sensor sensitivity could be adjusted: set press and release within 10s security level 1: less sensitive to sunlight...

  • Page 44

    44 12.12.1.3 judge ambient condition • according to sunlight intensity over a period of time, the system will analyze the ambient condition is sunny, cloudy or night. 12.12.1.4 temperature shift set temperature heat cool/dry +1 °c -1 °c -1 °c ambient condition mode econavi ; detecting sunlight inten...

  • Page 45

    45 12.12.1.6 sunlight sensor abnormality • abnormality detection: o when econavi is on, if the sunlight intensity value below minimum level continuously for 24 hours, the sunlight sensor disconnection error counter will increase by 1 time. If the econavi is off, the 24 hours timer will be reset, but...

  • Page 46

    46 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 +8/10°...

  • Page 47: 13. Protection

    47 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 per...

  • Page 48

    48 13.1.4 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 103 ° c, compressor will be stopped, occurs 4 times per 20 m...

  • Page 49

    49 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. • compresso...

  • Page 50

    50 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: o operated with cooling or soft dry mode. O indoor intake temperature is between 25°c and 29°c. O outdoor air temperature is less than 30°c. O...

  • Page 51

    51 13.3.4 compressor oil return control • when compressor starts, the compressor will be regulated for 240 seconds. 13.3.5 cold draught prevention control • when indoor pipe temperature is low, cold draught operation starts where indoor fan speed will be reduced. 13.3.6 deice operation • when outdoo...

  • Page 52: 14. Servicing

    52 14. Servicing mode 14.1 auto off/on button auto operation test run operation (forced cooling operation) normal cooling operation beep 5 sec 5 sec stop beep x 2 auto off/on button pressed auto off/on button pressed test run operation (forced heating operation) 5 sec stop stop beep x 3 auto off/on ...

  • Page 53

    53 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 sta...

  • Page 54: 15. Troubleshooting

    54 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 55

    55 15.1.1 relationship between the condition of the air conditioner and pressure and electric current cooling mode heating mode condition of the air conditioner low pressure high pressure electric current during operation low pressure high pressure electric current during operation insufficient refr...

  • Page 56

    56 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 u...

  • Page 57

    57 15.3 error code table diagnosis display abnormality / protection control abnormality judgment protection operation problem check location h00 no memory of failure — normal operation — — h11 indoor/outdoor abnormal communication after operation for 1 minute indoor fan only operation can start by e...

  • Page 58

    58 h64 outdoor high pressure sensor abnormality continuous for 1 minutes — high pressure sensor open circuit during compressor stop • high pressure sensor • lead wire and connector h70 light sensor abnormality continuous for 24 hours — light sensor open or short circuit • light sensor • indoor pcb h...

  • Page 59

    59 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 60

    60 15.4.2 h12 (indoor/outdoor capacity rank mismatched) malfunction decision conditions • during startup, error code appears when different types of indoor and outdoor units are interconnected. Malfunction caused • wrong models interconnected. • wrong indoor unit or outdoor unit pcbs mounted. • indo...

  • Page 61

    61 15.4.3 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 con...

  • Page 62

    62 15.4.4 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 connectio...

  • Page 63

    63 15.4.5 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 defe...

  • Page 64

    64 15.4.6 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 in...

  • Page 65

    65 15.4.7 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 c...

  • Page 66

    66 15.4.8 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 c...

  • Page 67

    67 15.4.9 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 for safe...

  • Page 68

    68 15.4.10 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. • ...

  • Page 69

    69 15.4.11 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 70

    70 15.4.12 h32 (outdoor heat exchanger temperature sensor 2 abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction caused • faulty ...

  • Page 71

    71 15.4.13 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 ou...

  • Page 72

    72 15.4.14 h34 (outdoor heat sink temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector co...

  • Page 73

    73 15.4.15 h36 (outdoor gas pipe sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector connection. • fa...

  • Page 74

    74 15.4.16 h37 (outdoor liquid pipe temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors. Malfunction caused • faulty connecto...

  • Page 75

    75 15.4.17 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. • op...

  • Page 76

    76 15.4.18 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 77

    77 15.4.19 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 78

    78 15.4.20 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 79

    79 15.4.21 f17 (indoor standby units freezing abnormality) malfunction decision conditions • when the different between indoor intake air temperature and indoor pipe temperature is above 10°c or indoor pipe temperature is below -1.0°c. Remark: when the indoor standby unit is freezing, the outdoor un...

  • Page 80

    80 15.4.22 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 ...

  • Page 81

    81 15.4.23 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 • during hea...

  • Page 82

    82 15.4.24 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 83

    83 15.4.25 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 84

    84 15.4.26 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 o compressor overheating: during operation of cooling and heating, when the compressor ol is acti...

  • Page 85

    85 15.4.27 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 86

    86 15.4.28 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 • ove...

  • Page 87

    87 15.4.29 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 failu...

  • Page 88

    88 warning 16. Disassembly and assembly instructions high voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 16.1 indoor unit 16.1.1 ...

  • Page 89

    89 figure 3 figure 4 16.1.1.3 to remove discharge grille figure 5.

  • Page 90

    90 16.1.1.4 to remove control board figure 6 16.1.1.5 to remove cross flow fan and indoor fan motor figure 7.

  • Page 91

    91 figure 8 figure 9.

  • Page 92

    92 figure 10

  • Page 93

    93 16.2 outdoor electronic controller removal procedure caution! When handling electronic controller, be careful of electrostatic discharge. 1. Remove the 5 screws of the top panel. Fig. 1 2. Remove the 8 screws of the front panel. Fig. 2 3. Remove the screw of the terminal board cover. 4. Remove th...

  • Page 94: 17. Technical

    94 17. Technical data technical data provided are based on the air conditioner running under free frequency. 17.1 cool mode performance data unit setting: standard piping length, hi fan, cool mode at 16°c voltage: 230v 17.1.1 cs-ne9pke / cu-ne9pke cs-qe9pke / cu-qe9pke indoor (°c) outdoor db (°c) -1...

  • Page 95: 18. Service

    95 18. Service data service data provided are based on the air conditioner running under rated frequency during forced cooling / forced heating mode. 18.1 cool mode outdoor air temperature characteristic condition • indoor room temperature: 27°c drybulb/19°c wet bulb • unit setting: standard piping ...

  • Page 96

    96 18.1.2 cs-ne12pke / cu-ne12pke cs-qe12pke / cu-qe12pke c u rre n t (a ) low p ress u re ( m pa) outdoor air temperature (ºc) outdoor air temperature (ºc) out let a ir (º c ) outdoor air temperature (ºc) 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 16 1...

  • Page 97

    97 18.2 heat mode outdoor air temperature characteristic condition • indoor room temperature: 20°c drybulb/ -°c wet bulb • unit setting: standard piping length, forced heating at 30°c, hi fan • compressor frequency: rated for heating operation • voltage: 230v 18.2.1 cs-ne9pke / cu-ne9pke cs-qe9pke /...

  • Page 98

    98 18.2.2 cs-ne12pke / cu-ne12pke cs-qe12pke / cu-qe12pke c u rre n t (a ) h igh p ressure ( m pa) outdoor air temperature (ºc) outdoor air temperature (ºc) out let a ir (º c ) outdoor air temperature (ºc) -15 -10 -5 0 5 10 -15 -10 -5 0 5 10 -15 -10 -5 0 5 10 2.00 2.50 3.00 3.50 4.00 4.50 1.700 1.90...

  • Page 99

    99 18.3 piping length correction factor the characteristic of the unit has to be corrected in accordance with the piping length. 18.3.1 cs-ne9/12pke / cu-ne9/12pke & cs-qe9/12pke / cu-qe9/12pke 18.3.1.1 cooling capacity piping length (m) ca p a city co rr e cti o n factor 0.94 0.95 0.96 0.97 0.98 0....

  • Page 100

    100 19. Exploded view and replacement parts list 19.1 indoor unit 50 52 53 51 40 41 24 9a 28 34 31 38 4 30 36 26 2 39 3 33 29 27 35 1 6 42 10 43 25 32 o/i 44 i/i 45 i/i 46 i/i 47 i/i 48 i/i 49 23 b b b 11 19 18 21 22 37 20 5 a a b a a a b b a cwh55025j cwh55051j 8 7 12 13 14 9 note the above explode...

  • Page 101

    101 safety ref. No. Part name & description qty cs-ne9pke cs-ne12pke remark 1 chassy complete 1 cwd50c1730 ← 2 fan motor 1 arw7666accb ← o 3 cross-flow fan complete 1 cwh02c1137 ← 4 bearing ass'y 1 cwh64k1010 ← o 5 generator complete 1 cwh94c0048 ← 6 evaporator complete 1 cwb30c4578 cwb30c4577 7 fla...

  • Page 102

    102 safety ref. No. Part name & description qty cs-ne9pke cs-ne12pke remark 51 shock absorber (l) 1 cwg713484 ← 52 shock absorber (r) 1 cwg713485 ← 53 c.C.Case 1 cwg568509 ← (note) • all parts are supplied from papamy, malaysia (vendor code: 00029488). • “o” marked parts are recommended to be kept i...

  • Page 103

    103 safety ref. No. Part name & description qty cs-qe9pke cs-qe12pke remark 1 chassy complete 1 cwd50c1730 ← 2 fan motor 1 arw7666accb ← o 3 cross-flow fan complete 1 cwh02c1137 ← 4 bearing ass'y 1 cwh64k1010 ← o 5 generator complete 1 cwh94c0048 ← 6 evaporator complete 1 cwb30c4578 cwb30c4577 7 fla...

  • Page 104

    104 safety ref. No. Part name & description qty cs-qe9pke cs-qe12pke remark 51 shock absorber (l) 1 cwg713484 ← 52 shock absorber (r) 1 cwg713485 ← 53 c.C.Case 1 cwg568509 ← (note) • all parts are supplied from papamy, malaysia (vendor code: 00029488). • “o” marked parts are recommended to be kept i...

  • Page 105

    105 19.2 outdoor unit 32 30 31 24 9 16 17 20 21 22 29 42 26 35 27 2 42 41 15 3 8 7 5 6 23b 23a 4 11 33 28 34 19 1 10 12 39 49 48 51 14 38 56 55 54 52 53 36 23d 23c note the above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard se...

  • Page 106

    106 safety ref. No. Part name & description qty cu-ne9pke cu-ne12pke remark 1 chassis assy 1 cwd52k1310 ← 2 sound proof material 1 cwg302742 ← 3 fan motor bracket 1 cwd541167 ← 4 screw - fan motor bracket 2 cwh551217 ← 5 fan motor 1 ars6411ac ← o 6 screw - fan motor mount 4 cwh55252j ← 7 propeller f...

  • Page 107

    107 safety ref. No. Part name & description qty cu-ne9pke cu-ne12pke remark 56 c.C. Case 1 cwg566848 ← (note) • all parts are supplied from papamy, malaysia (vendor code: 00029488). • “o” marked parts are recommended to be kept in stock..

  • Page 108

    108 safety ref. No. Part name & description qty cu-qe9pke cu-qe12pke remark 1 chassis assy 1 cwd52k1310 ← 2 sound proof material 1 cwg302742 ← 3 fan motor bracket 1 cwd541167 ← 4 screw - fan motor bracket 2 cwh551217 ← 5 fan motor 1 ars6411ac ← o 6 screw - fan motor mount 4 cwh55252j ← 7 propeller f...

  • Page 109

    109 safety ref. No. Part name & description qty cu-qe9pke cu-qe12pke remark 56 c.C. Case 1 cwg566848 ← (note) • all parts are supplied from papamy, malaysia (vendor code: 00029488). • “o” marked parts are recommended to be kept in stock. Printed in malaysia sy0713-0