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Panasonic CS-HE12JKE Service Manual

Summary of CS-HE12JKE

  • Page 1

    © panasonic ha air-conditioning (m) sdn. Bhd. 2009. Unauthorized copying and distribution is a violation of law. Order no. Phaam0810076c2 air conditioner cs-he9jke cu-he9jke cs-he12jke cu-he12jke table of contents page page 1 safety precautions----------------------------------------------- 3 2 spec...

  • Page 2

    2 12.5. Quiet operation (cooling mode/cooling area of dry mode)----------------------------------------------- 35 12.6. Quiet operation (heating) ------------------------------ 36 12.7. Powerful operation -------------------------------------- 36 12.8. Timer control----------------------------------...

  • 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 highpressure in the refrigeration cycle (piping), and possibly result in explosion and injury. Use only r410a materials. Thickness or copper pipes used with r4...

  • Page 5: 2 Specifications

    5 2 specifications model indoor cs-he9jke outdoor cu-he9jke performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 0.60 2.60 3.00 btu/h — — — kcal/h 520 2240 2580 running current a — 2.4 — input power w 120 510 700 annual consumption kwh — 255 ...

  • Page 6

    6 out d oor f an type propeller fan material pp motor type induction (6-poles) input power w — output power w 40 speed hi cool rpm 790 heat rpm 770 moisture removal l/h (pt/h) 1.6 (3.4) indoor airflow qlo cool m 3 /min (ft 3 /min) 4.2 (148) heat m 3 /min (ft 3 /min) 5.3 (187) lo cool m 3 /min (ft 3 ...

  • 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-he12jke outdoor cu-he12jke 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 — 4.0 — input power w 120 850 1.05k annual consumption kwh — 425 — eer w/w 5.0...

  • Page 9

    9 out d oor f an type propeller fan material pp motor type induction (6-poles) input power w — output power w 40 speed hi cool rpm 790 heat rpm 810 moisture removal l/h (pt/h) 2.0 (4.2) indoor airflow qlo cool m 3 /min (ft 3 /min) 5.1 (180) heat m 3 /min (ft 3 /min) 6.7 (237) lo cool m 3 /min (ft 3 ...

  • 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: 4.1.

    12 4 location of controls and components 4.1. Product overview 4.1.1. Indoor unit 4.1.2. Outdoor unit 4.1.3. Remote control.

  • Page 13: 5 Dimensions

    13 5 dimensions 5.1. Indoor unit.

  • Page 14: 5.2.

    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: 8.2.

    18 8.2. Outdoor unit.

  • Page 19: 9.1.

    19 9 electronic circuit diagram 9.1. Indoor unit.

  • Page 20: 9.2.

    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 10.1.2. Indicator panel.

  • Page 22: 10.2. Outdoor Unit

    22 10.2. Outdoor unit 10.2.1. Main printed circuit board.

  • Page 23: 11 Installation Instruction

    23 11 installation instruction 11.1. Select the best location indoor unit • there should not be any heat source or steam near the unit. • there should not be any obstacles blocking the air circulation. • a place where air circulation in the room is good. • a place where drainage can be easily done. ...

  • Page 24: 11.3. Indoor Unit

    24 11.3. Indoor unit 11.3.1. How to fix installation plate the mounting wall is strong and solid enough to prevent it from the vibration. 1. Mount the installation plate on the wall with 5 screws or more. (if mounting the unit on the concrete wall, consider using anchor bolts.) • line according to t...

  • Page 25

    25 3. For the embedded piping (this can be used for left rear piping and left bottom piping also.).

  • Page 26

    26 11.3.4. 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 27: 11.4. Outdoor Unit

    27 11.4. Outdoor unit 11.4.1. Install the outdoor unit • after selecting the best location, start installation according to indoor/outdoor unit installation diagram. 1. Install at least 40 cm above the ground. Do not install the unit on the floor. 2. Fix the unit on concrete or rigid frame firmly an...

  • Page 28

    28 11.4.3. 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 quick-coupling charging hose to the low and high sides of a charging set and to the service port of the 3-way valve. • be s...

  • Page 29

    29 11.4.4. Connect the cable to the outdoor unit 1. Remove the control board cover from the unit by loosening the screw. 2. Cable connection to the power supply through isolating devices (disconnecting means). • connect approved type polychloroprene sheathed power supply cord 3 x 1.5 mm 2 (1.0 ~ 1.5...

  • Page 30: 12 Operation and Control

    30 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 31

    31 12.1.4. 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 32

    32 [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 33

    33 12.4. Airflow direction control 12.4.1. Horizontal and vertical directions vertical louver is controlled by remote control: the vertical airflow direction button on the remote controller and by each operation mode, as shown in the table below. Cooling operation mode manual operation vertical auto...

  • Page 34

    34 • the vertical louver is closed when the unit is turned off with the remote controller. (stop position) • the vertical louver is fully opened and move to the setting position when the unit is turned on with the remote controller. • the vertical louver remains at open position when the unit is tur...

  • Page 35

    35 12.4.2. Horizontal airflow direction control 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 • when “quiet” button at remote control is pressed. Quiet l...

  • Page 36: 12.7. Powerful Operation

    36 c. Control contents 1. Auto 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. Manual fan speed for quiet operation is -1 step from setting fan speed. 12.6. Quiet operation (heating) a. Purpose to provide quiet heat...

  • Page 37: 12.8. Timer Control

    37 12.8. Timer control 12.8.1. 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 ...

  • Page 38: 12.11. +8/10

    38 12.11. +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 39: 13 Protection Control

    39 13 protection control 13.1. Protection control for all operations 13.1.1. Time delay safety control 1. The compressor will not starts for 3 minutes after stop of the 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....

  • Page 40

    40 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 110 °c, compressor will stop, occurs 4 times per 20 minu...

  • Page 41

    41 13.2. Protection control for cooling 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. 13.2.2. Cooling overload contr...

  • Page 42

    42 13.3. Protection control for heating operation 13.3.1. Intake air temperature control compressor will operate at max frequency if below condition occur: 1. When the indoor intake air temperature is 30 °c or above. 13.3.2. Outdoor air temperature control • the maximum current value is regulated wh...

  • Page 43: 14 Servicing Mode

    43 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 44: 14.2. Remote Control Button

    44 14.2. Remote control button 14.2.1. Set button • to check remote control transmission code and store the transmission code to eeprom. - press “set” button for more than seconds by using pointer. - press “timer set” button until a “beep” sound is heard as confirmation of transmission code changed....

  • Page 45: 15 Troubleshooting Guide

    45 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 46

    46 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 47

    47 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 48: 15.3.

    48 15.3. 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 49: 15.4. Self-Diagnosis Method

    49 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 50

    50 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. • indoo...

  • Page 51

    51 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 conn...

  • Page 52

    52 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 connection...

  • Page 53

    53 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 defect...

  • Page 54

    54 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 ins...

  • Page 55

    55 15.4.7. 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 connec...

  • Page 56

    56 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 57

    57 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 58

    58 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 59

    59 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 sensor are used to determine sensor errors. Malfunction caused • faulty conne...

  • Page 60

    60 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 61

    61 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 62

    62 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 63

    63 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 64

    64 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 65

    65 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 66

    66 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 67

    67 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 68

    68 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 69

    69 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 70

    70 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 71

    71 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 72

    72 15.4.24. F98 (input over current detection) malfunction decision conditions during operation of cooling and heating, when an input over-current (x value in total running current control) is detected by checking the input current value being detected by current transforme (ct) with the compressor ...

  • Page 73

    73 15.4.25. F99 (output over current detection) malfunction decision conditions during operation of cooling and heating, when an output over-current (20.2a) is detected by checking the current that flows in the inverter dc peak sensing circuitry. Malfunction caused • dc peak due to compressor failur...

  • Page 74: Removal Procedure

    74 16 disassembly and assembly instructions 16.1. Indoor electronic controller, cross flow fan and indoor fan motor removal procedure 16.1.1. To remove front grille fig. 1 1. Lift to open the horizontal vane gently. Remove the 2 caps and 2 screws at the bottom of discharge vane. (fig.1) fig. 2 2. Re...

  • Page 75

    75 fig. 3 3. Remove the top panel by pressing the triangle marks. (fig.3) 4. Remove the screw (one) in center part of the unit. (fig.3) 5. Remove the front grille by releasing the 4 hooks at the top of the front grille. Hold both side of the front grille and remove it by pulling up and toward you ge...

  • Page 76

    76 fig. 5 1. Remove the control board cover. (fig.4) 2. Remove the screw at the control board then pull out the control board. (fig.5) 3. Release cn-th from evaporator. (fig.5) 4. Release earth wire screw from the evaporator. (fig.5) 5. Disconnect below connectors from pcb. (fig.5) • terminal fg grn...

  • Page 77

    77 fig. 8 6. Remove the control boards cover (l) by releasing the hooks then remove the pcb from the control board cover (l). (fig.8) 16.1.4. Removal of fan motor and cross-flow fan fig. 9 1. Remove particular piece. (fig.9) 2. Remove the drain hose from the unit. (fig.9).

  • Page 78

    78 fig. 10 3. Remove connector at the gear complete. (fig.10) 4. Release screw at gear complete then remove the gear complete. (fig.10) 5. Pull the discharge grille downward then removed it. (fig.9) fig. 11 6. Remove the fan motor cover by removing four screws from the fan motor cover. (fig.11).

  • Page 79

    79 fig. 12 7. Remove the screw on the left side of evaporator. (fig.12) fig. 13 8. Loosen the screw between the cross-flow fan and fan motor. (fig.13) 9. Remove the bearing. (fig.12).

  • Page 80

    80 fig. 14 10. Lift up the evaporator and remove the cross-flow fan from the unit by pulling it to the left and downward. (fig. 14) fig. 15 11. Pull out the fan motor. (fig.15).

  • Page 81

    81 16.1.5. Removal of terminal board complete fig. 16 fig. 17 1. Detach the power supply cord screw. (fig.17) 2. Remove screw at terminal board complete. (fig.17) 3. Remove two particular pieces, the terminal board complete. (fig.16) 4. Removed live (brown) and neutral (blue) wire. (fig.17) 16.1.6. ...

  • Page 82

    82 16.2. Disassembly of outdoor unit 16.2.1. Removal of cabinet top plate and cabinet front plate 1. Remove the screws (three: two on the right side and one on the left side) and the cabinet top plate. 2. Remove the screws (six: three on the upper side and another three on the lower side) on the cab...

  • Page 83

    83 16.2.3. Removal of control box 1. Remove the control board by releasing the hooks (four: two each on the right and left). Fig. 5 2. Remove the screw (one) fixing the control box. Fig. 6 3. Remove a variety of connectors and terminals. • compressor cables (red, blue and yellow) ...... Remove the c...

  • Page 84

    84 6. Release the hooks (four) on the control box a (lower control pcb cover). Note: be careful of hanging-up of connectors or wiring cables such as the earth wire when the box a is removed. Fig. 11 7. For the control board, replacement is made together with the control box. Fig. 12 • replacement of...

  • Page 85: 17 Technical Data

    85 17 technical data 17.1. Operation characteristics 17.1.1. Cs-he9jke cu-he9jke.

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    86.

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    87.

  • Page 88

    88.

  • Page 89

    89 17.1.2. Cs-he12jke cu-he12jke.

  • Page 90

    90

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    91.

  • Page 92

    92.

  • Page 93

    93 17.2. Sensible capacity chart o cs-he9jke cu-he9jke o cs-he12jke cu-he12jke 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 2.58 1.96 0.47 2.41 1.88 0.50 2.24 1.80 0.54 2.04 1.71 0.58 19.0 °c 2.60 0.51 19.5 °c 2.83 2.05 0.48 2.65 1.97 0.5...

  • Page 94: 18.1. Indoor Unit

    94 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 95

    95 (note) • all parts are supplied from phaam, malaysia (vendor code: 00029488). Ref. No. Part name & description qty. Cs-he9jke cs-he12jke 1 chassy complete 1 cwd50c1551 ← 2 fan motor, dc 30w 3ph 1 cwa981194cb ← 3 cross-flow fan co. 1 cwh02c1024 ← 4 bearing assy 1 cwh64k1005 ← 5 holder-fan motor 1 ...

  • Page 96: 18.2. Outdoor Unit

    96 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 97

    97 (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 sfth0905-00 ref. No. Description & name qty. Cu-he9jke cu-he12jke remarks 1 chassy ass’y 1 cwd50k2202 ← 2 anti-vibration bushing 3 cwh5...