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Panasonic CS-E18JKEW Service Manual

Other manuals for CS-E18JKEW: Operating Instructions Manual

Summary of CS-E18JKEW

  • Page 1

    © panasonic ha air-conditioning (m) sdn. Bhd. 2008. Unauthorized copying and distribution is a violation of law. Order no. Phaam0810055c2 air conditioner indoor unit outdoor unit cs-re18jke cu-re18jke cs-re24jke cu-re24jke table of contents page page 1 safety precautions-----------------------------...

  • Page 2

    2 8 wiring connection diagram --------------------------------- 16 8.1. Indoor unit ------------------------------------------------- 16 8.2. Outdoor unit ----------------------------------------------- 17 9 electronic circuit diagram----------------------------------- 19 9.1. Indoor 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 stated...

  • Page 4

    4 19. During installation, before run the compressor, confirm the refrigerant pipes are fixed. Operation of compressor without fixing the piping, setting the valves at open condition, a burst may occur and cause injury. 20. During pump down operation, stop the compressor before remove the refrigeran...

  • Page 5: 2 Specifications

    5 2 specifications model indoor cs-re18jke cs-re24jke outdoor cu-re18jke cu-re24jke performance test condition eurovent eurovent power supply phase, hz single, 50 single, 50 v 230 230 min. Mid. Max. Min. Mid. Max. C o o l i n g capacity kw 0.90 5.00 6.00 0.90 6.80 8.10 btu/h 3070 17100 20500 3070 23...

  • Page 6

    6 model indoor cs-re18jke cs-re24jke outdoor cu-re18jke cu-re24jke i n d o o r f a n type cross-flow fan cross-flow fan material asg30k1 asg30k1 motor type dc motor dc motor input power w 94.8 85.1 output power w 40 40 speed qlo cool rpm 960 950 heat rpm 1040 1040 lo cool rpm 1040 1050 heat rpm 1120...

  • Page 7

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

  • Page 8: 3 Features

    8 3 features • inverter technology - wider output range - energy saving - quick cooling - more precise temperature control • environment protection - non-ozone depletion substances refrigerant (r410a) • long installation piping - cs/cu-re18jke, long piping up to 20 meter - cs/cu-re24jke, long piping...

  • Page 9

    9 4 location of controls and components 4.1. Indoor unit 4.2. Outdoor unit 4.3. Remote control.

  • Page 10: 5 Dimensions

    10 5 dimensions 5.1. Indoor unit & remote control.

  • Page 11

    11 5.2. Outdoor unit 5.2.1. Cu-re18jke.

  • Page 12

    12 5.2.2. Cu-re24jke.

  • Page 13

    13 6 refrigeration cycle diagram.

  • Page 14: 7 Block Diagram

    14 7 block diagram 7.1. Cs-re18jke cu-re18jke.

  • Page 15

    15 7.2. Cs-re24jke cu-re24jke.

  • Page 16: 8 Wiring Connection Diagram

    16 8 wiring connection diagram 8.1. Indoor unit.

  • Page 17

    17 8.2. Outdoor unit 8.2.1. Cu-re18jke.

  • Page 18

    18 8.2.2. Cu-re24jke.

  • Page 19

    19 9 electronic circuit diagram 9.1. Indoor unit.

  • Page 20

    20 9.2. Outdoor unit 9.2.1. Cu-re18jke.

  • Page 21

    21 9.2.2. Cu-re24jke.

  • Page 22: 10 Printed Circuit Board

    22 10 printed circuit board 10.1. Indoor unit 10.1.1. Main printed circuit board.

  • Page 23

    23 10.1.2. Power printed circuit board 10.1.3. Indicator printed circuit board.

  • Page 24

    24 10.2. Outdoor unit 10.2.1. Main printed circuit board 10.2.1.1. Cu-re18jke.

  • Page 25

    25 10.2.2. Main printed circuit board 10.2.2.1. Cu-re24jke.

  • Page 26

    26 10.2.3. Power printed circuit board 10.2.3.1. Cu-re24jke.

  • Page 27: 11 Installation Instruction

    27 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 28

    28 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 29

    29 1. For the right rear piping 2. For the right and right bottom piping 3. For the embedded piping.

  • Page 30

    30 (this can be used for left rear piping and left bottom piping also.) 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 polychloropre...

  • Page 31

    31 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 32

    32 11.3. Outdoor unit 11.3.1. Install the outdoor unit • after selecting the best location, start installation according 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 s...

  • Page 33

    33 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. 1. Connect a charging hose with a push pin to the low side of a charging set and the service port of the 3-way valve. • be sure to conne...

  • Page 34

    34 5. Secure the power supply cord and connecting cable onto the control board with the holder. 6. Attach the control board cover back to the original position with screw. 7. For wire stripping and connection requirement, refer to instruction of indoor unit. This equipment must be properly earthed. ...

  • Page 35: 12 Operation and Control

    35 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 36

    36 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 37

    37 [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 38

    38 1. Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the angles as stated above. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as figure 1 below. When the air conditioner is stopped using r...

  • Page 39

    39 12.3. On timer control on timer can be set using remote control, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable environment when reaching the set on time. 60 minutes before the set time, indoor (at fan speed of lo-) and outdoor fan motor...

  • Page 40: 13 Protection Control

    40 13 protection control 13.1. Protection control for all operations 13.1.1. Time delay safety control 1. The compressor will not start for three minutes after stop of operation. 2. This control is not applicable if the power supply is cut off and on again or after 4-way valve deices condition. 13.1...

  • Page 41

    41 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 figure. If compressor discharge temperature exceeds 112 qc, compressor will be stop, occurs 4 times per 20 m...

  • Page 42

    42 13.1.9. Low frequency protection control 2 • when all the below conditions comply, the compressor frequency will change to lower frequency. 13.2. Protection control for cooling & soft dry operation 13.2.1. Outdoor air temperature control the compressor operating frequency is regulated in accordan...

  • Page 43

    43 13.2.5. Freeze prevention control 1 1. When indoor heat exchanger temperature is lower than 0 qc continuously for six minutes, compressor will stop operating. 2. Compressor will resume its operation three minutes after the indoor heat exchanger is higher than 13 qc. 3. At the same time, indoor fa...

  • Page 44

    44 13.3. Protection control for heating operation 13.3.1. Intake air temperature control compressor will operate at maximum frequency if below conditions occur: 1. When the indoor intake air temperature is 30 qc or above. 13.3.2. Outdoor air temperature control the maximum current value is regulated...

  • Page 45: 14 Servicing Mode

    45 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 46

    46 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 47: 15 Troubleshooting Guide

    47 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 48

    48 15.2. 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 condition of the air conditoner low pressure high ...

  • Page 49

    49 15.3. Breakdown self diagnosis function 15.3.1. Self diagnosis function (three digits alphanumeric code) • once abnormality has occurred during operation, the unit will stop its operation, and timer leds blink. • although timer led goes off when power supply is turned off, if the unit is operated...

  • Page 50

    50 15.4. Error codes table note: “o” - frequency measured and fan speed fixed. The memory data of error code is erased when the power supply is cut off, or press the auto switch until “beep” sound heard following by pressing the “check” button at remote control. Although operation forced to stop whe...

  • Page 51

    51 15.5. Self-diagnosis method 15.5.1. 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 • fault...

  • Page 52

    52 15.5.2. 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. • ind...

  • Page 53

    53 15.5.3. 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 co...

  • Page 54

    54 15.5.4. 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 connecti...

  • Page 55

    55 15.5.5. 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 56

    56 15.5.6. 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 i...

  • Page 57

    57 15.5.7. H23 (indoor pipe temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector conn...

  • Page 58

    58 15.5.8. 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 59

    59 15.5.9. 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 60

    60 15.5.10. 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 sensor are used to determine sensor errors. Malfunction caused • faulty con...

  • Page 61

    61 15.5.11. 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 o...

  • Page 62

    62 15.5.12. 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 63

    63 15.5.13. 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. • o...

  • Page 64

    64 15.5.14. 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 qc. Malfunction caused • clogged air filter...

  • Page 65

    65 15.5.15. 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 qc). Malfunction caused • clogged a...

  • Page 66

    66 15.5.16. F11 (4-way valve abnormality) malfunction decision conditions • when heating operation, when indoor pipe temperature is below 10 qc. • when cooling operation, when indoor pipe temperature is above 45 qc. Malfunction caused • connector in poor contact. • faulty sensor. • faulty outdoor un...

  • Page 67

    67 15.5.17. 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 68

    68 15.5.18. 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 qc. • durin...

  • Page 69

    69 15.5.19. 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 70

    70 15.5.20. F95 (cooling high pressure abnormality) malfunction decision conditions during operation of cooling, when outdoor unit heat exchanger high temperature data (61 qc) is detected by the outdoor pipe temperature sensor. Malfunction caused • outdoor pipe temperature rise due to short circuit ...

  • Page 71

    71 15.5.21. F96 (ipm overheating) malfunction decision conditions during operating of cooling and heating, when ipm temperature data (100 qc) 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 72

    72 15.5.22. 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 clos...

  • Page 73

    73 15.5.23. 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 74

    74 15.5.24. 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 75

    75 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 horizontal vane warning high voltage are generated in the electrical parts area by the capacitor. Ensure that the c...

  • Page 76

    76 16.1.3. To remove power electronic controller.

  • Page 77

    77 16.1.4. To remove discharge grille 16.1.5. To remove control board.

  • Page 78

    78 16.1.6. To remove cross flow fan and indoor fan motor.

  • Page 79

    79.

  • Page 80

    80 16.2. Outdoor electronic controller removal procedure (re18jk) 1. Remove the 4 screws of the top panel. Fig. 1 2. Remove the 10 screws of the front panel. Fig. 2 3. Remove the top cover of the electronic controller. Fig. 3 4. Remove the control board. Fig. 4 5. Remove the 8 screws of the electron...

  • Page 81: 17 Technical Data

    81 17 technical data 17.1. Operation characteristics 17.1.1. Cs-re18jke cu-re18jke cooling characteristic at different outdoor air temperature condition indoor room temperature: 27/19 qc remote control setting: hi fan, cool 16 qc compressor frequency: f c voltage: 230 v.

  • Page 82

    82 cooling characteristic at different piping length condition indoor room temperature: 27/19 qc, 35/-qc remote control setting: hi fan, cool 16 qc compressor frequency: f c voltage: 230 v.

  • Page 83

    83 heating characteristic at different outdoor air temperature condition indoor room temperature: 20/- qc remote control setting: hi fan, heat 30 qc compressor frequency: f h voltage: 230 v.

  • Page 84

    84 heating characteristic at different piping length condition indoor room temperature: 20/- qc, 7/6qc remote control setting: hi fan, heat 30 qc compressor frequency: f h voltage: 230 v.

  • Page 85

    85 17.1.2. Cs-re24jke cu-re24jke cooling characteristic at different outdoor air temperature condition indoor room temperature: 27/19 qc remote control setting: hi fan, cool 16 qc compressor frequency: f c voltage: 230 v.

  • Page 86

    86 cooling characteristic at different piping length condition indoor room temperature: 27/19 qc, 35/-qc remote control setting: hi fan, cool 16 qc compressor frequency: f c voltage: 230 v.

  • Page 87

    87 heating characteristic at different outdoor air temperature condition indoor room temperature: 20/- qc remote control setting: hi fan, heat 30 qc compressor frequency: f h voltage: 230 v.

  • Page 88

    88 heating characteristic at different piping length condition indoor room temperature: 20/- qc, 7/6qc remote control setting: hi fan, heat 30 qc compressor frequency: f h voltage: 230 v.

  • Page 89

    89 17.2. Sensible capacity chart cs-re18jke cu-re18jke cs-re24jke cu-re24jke outdoor temp. ( qc) indoor wet bulb temp. 30 35 40 46 tc shc ip tc shc ip tc shc ip tc shc ip 17.0 qc 4.96 3.76 1.35 4.64 3.61 1.45 4.31 3.47 1.55 3.92 3.29 1.67 19.0 qc 5.00 1.47 19.5 qc 5.45 3.94 1.37 5.09 3.78 1.48 4.74 ...

  • Page 90

    90 18 exploded view and replacement parts list 18.1. Indoor unit.

  • Page 91

    91 ref no. Part name & description qty. Cs-re18jke cs-re24jke remarks 1 chassy complete 1 cwd50c1623 m 2 fan motor 1 l6cbyyyl0038 m o 3 cross flow fan complete 1 cwh02c1077 m 4 bearing ass’y 1 cwh64k007 m 5 screw - cross flow fan 1 cwh551146 m 6 generator complete 1 — — 7 evaporator 1 cwb30c2900 cwb...

  • Page 92

    92 (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-re18jke cs-re24jke remarks 49 installation instruction 1 cwf613910 m 50 installation instruction 1 cwf613911 m 51 installat...

  • Page 93

    93 18.2. Cu-re18jke 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. Cu-re18jke remarks 1 chassy ass’y 1 cwd50k2085 2 anti-vibration bushing 3 cwh50077 3 compressor 1 5cs130xad04 o 4 nut-compress...

  • Page 95

    95 18.3. Cu-re24jke 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 sstk0810 - 00 ref no. Part name & description qty. Cu-re24jke remarks 1 chassy ass’y 1 cwd52k1190 2 anti - vibration bushing 3 cwh50055...