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Panasonic CS-E12HKEW Service Manual

Other manuals for CS-E12HKEW: Operating Instructions Manual
Manual is about: Air Conditioner

Summary of CS-E12HKEW

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    &.

  • Page 2: 1 Safety Precautions

    2 2.1. Cs-e7hkew cu-e7hke -------------------------------5 2.2. Cs-e9hkew cu-e9hke -------------------------------7 2.3. Cs-e12hkew cu-e12hke ----------------------------9 2.4. Cs-e15hkew cu-e15hke -------------------------- 11 2.5. Outdoor unit: cu-2e15gbe--------------------------- 13 2.6. Outdoor...

  • Page 3

    3 1. Engage dealer or specialist for installation and servicing. If installation or servicing done by the user is defective, it will cause water leakage, electrical shock or fire. 2. Install according to this installation instructions strictly. If installation is defective, it will cause water leaka...

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    4 7. Power supply connection to the air conditioner. Connect the power supply cord of the air conditioner to the mains using one of the following methods. Power supply point shall be the place where there is ease for access for the power disconnection in case of emergency. In some countries, permane...

  • Page 5: 2 Specifications

    5 2 specifications 2.1. Cs-e7hkew cu-e7hke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 2.05 (0.70 ~ 2.40) kcal/h 1760 (600 ~ 2060) eer w/w 4.36 (4.12 ~ 4.14) kcal/hw 3.74 (3.53 ~ 3.55) noise level db (a) high 37, low 24, qlo 20 high 45 power level...

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    6 1. Cooling capacities are based on indoor temperature of 27 qc d.B. (80.6qf d.B.), 19.0qc w.B. (66.2qf w.B.) and outdoor air temperature of 35 qc d.B. (95qf d.B.), 24qc w.B. (75.2qf w.B.) 2. Heating capacities are based on indoor temperature of 20 qc d.B. (68qf d.B.) and outdoor air temperature of...

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    7 2.2. Cs-e9hkew cu-e9hke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 2.60 (0.80 ~ 3.00) kcal/h 2240 (690 ~ 2580) eer w/w 4.41 (4.57 ~ 4.00) kcal/hw 3.80 (3.94 ~ 3.44) noise level db (a) high 39, low 25, qlo 20 high 46 power level db high 50, low ...

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    8 1. Cooling capacities are based on indoor temperature of 27 qc d.B. (80.6qf d.B.), 19.0qc w.B. (66.2qf w.B.) and outdoor air temperature of 35 qc d.B. (95qf d.B.), 24qc w.B. (75.2qf w.B.) 2. Heating capacities are based on indoor temperature of 20 qc d.B. (68qf d.B.) and outdoor air temperature of...

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    9 2.3. Cs-e12hkew cu-e12hke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 3.50 (0.80 ~ 4.00) kcal/h 3010 (690 ~ 3440) eer w/w 3.68 (4.32 ~ 3.33) kcal/hw 3.17 (3.73 ~ 2.87) noise level db (a) high 42, low 28, qlo 20 high 48 power level db high 53, lo...

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    10 1. Cooling capacities are based on indoor temperature of 27 qc d.B. (80.6qf d.B.), 19.0qc w.B. (66.2qf w.B.) and outdoor air temperature of 35 qc d.B. (95qf d.B.), 24qc w.B. (75.2qf w.B.) 2. Heating capacities are based on indoor temperature of 20 qc d.B. (68qf d.B.) and outdoor air temperature o...

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    11 2.4. Cs-e15hkew cu-e15hke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 4.40 (0.90 ~ 5.00) btu/h 15000 (3070 ~ 17100) kcal/h 3780 (770 ~ 4300) eer w/w 3.21 (4.19 ~ 3.13) btu/hw 10.9 (14.3 ~ 10.7) noise level db (a) high 43, low 32, qlo 29 high 46...

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    12 1. Cooling capacities are based on indoor temperature of 27 qc d.B. (80.6qf d.B.), 19.0qc w.B. (66.2qf w.B.) and outdoor air temperature of 35 qc d.B. (95qf d.B.), 24qc w.B. (75.2qf w.B.) 2. Heating capacities are based on indoor temperature of 20 qc d.B. (68qf d.B.) and outdoor air temperature o...

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    13 2.5. Outdoor unit: cu-2e15gbe.

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    14 2.6. Outdoor unit: 3e18ebe.

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    15 2.7. Outdoor unit: cu-3e23cbpg cu-4e27cbpg.

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    16.

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    17.

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  • Page 19: 3 Features

    19 3 features • inverter technology - wider output power range - energy saving - quick cooling - quick heating - 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 filt...

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    20 • multi split combination possibility: - a single outdoor unit enables air conditioning of up to two separate rooms for cu-2e15gbe, cu-2e18cbpg. - a single outdoor unit enables air conditioning of up to three separate rooms for cu-3e18ebe, cu-3e23cbpg. - a single outdoor unit enables air conditio...

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    21 4 location of controls and components 4.1. Indoor unit 4.2. Outdoor unit 4.3. Remote control.

  • Page 22: 5 Dimensions

    22 5 dimensions 5.1. Indoor unit.

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    23 5.2. Outdoor unit 5.2.1. Cu-e7hke cu-e9hke cu-e12hke 5.2.2. Cu-e15hke.

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    24 6 refrigeration cycle diagram 6.1. Cs-e7hkew cu-e7hke cs-e9hkew cu-e9hke cs-e12hkew cu-e12hke if piping length is over common length, additional refrigerant should be added as shown in the table. Model piping size rated length (m) common length (m) max. Elevation (m) min. Piping length (m) max. P...

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    25 6.2. Cs-e15hkew cu-e15hke if piping length is over common length, additional refrigerant should be added as shown in the table. Model piping size rated length (m) common length (m) max. Elevation (m) min. Piping length (m) max. Piping length (m) additional refrigerant (g/m) gas liquid e15hk 1/2” ...

  • Page 26: 7 Block Diagram

    26 7 block diagram 7.1. Cs-e7hkew cu-e7hke cs-e9hkew cu-e9hke cs-e12hkew cu-e12hke.

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    27 7.2. Cs-e15hkew cu-e15hke.

  • Page 28: 8 Wiring Connection Diagram

    28 8 wiring connection diagram 8.1. Indoor unit.

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    29 8.2. Outdoor unit 8.2.1. Cu-e7hke cu-e9hke cu-e12hke.

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    30 8.2.2. Cu-e15hke.

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    31 9 electronic circuit diagram 9.1. Indoor unit.

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    32 9.2. Outdoor unit 9.2.1. Cu-e7hke cu-e9hke cu-e12hke.

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    33 9.2.2. Cu-e15hke.

  • Page 34: 10 Printed Circuit Board

    34 10 printed circuit board 10.1. Indoor unit 10.1.1. Main printed circuit board.

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    35 10.1.2. Power printed circuit board 10.1.3. Indicator printed circuit board 10.1.4. Patrol printed circuit board.

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    36 10.2. Outdoor unit 10.2.1. Cu-e7hke cu-e9hke cu-e12hke.

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    37 10.2.2. Cu-e15hke.

  • Page 38: 11 Installation Instruction

    38 11 installation instruction 11.1. Select the best location 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 place ...

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    39 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. The centre of installation plate should be at more than 450 mm at right and left of the wall. The distance from installation plate edge to ceiling should more tha...

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

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    41 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 u 1.5 mm 2 flexible cord, type designation 245 iec 57 o...

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    42 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. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2. When installing at roof, please consider s...

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    43 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 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...

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    44 4. Cable connection to the power supply through knife switch (disconnecting means). • connect the approved polychloroprene sheathed power supply cable (3 x 1.5 mm 2 ), type designation 245 iec 57 or heavier cord to the terminal board, and connect the other end of the cable to knife switch (discon...

  • Page 45: 12 Operation Control

    45 12 operation 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 maintai...

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    46 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...

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    47 [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...

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    48 2. Manual vertical airflow direction can be set using remote control; the angles of the vane are as stated above and the positions of the vane are as figure 2 below. When the air conditioner is stopped using remote control, the vane will shift to close position. 12.4.2. Horizontal airflow • the h...

  • Page 49

    49 2. When quiet operation is stopped, operation is shifted to normal operation with previous setting. 3. When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed. 4. When operation mode is changed, quiet operation is shifted to quiet operation of the new mode, e...

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    50 12.10. Indication panel note: • if power led is blinking, the possible operation of the unit are hot start, during deice operation, operation mode judgment, or on timer sampling. • if timer led is blinking, there is an abnormality operation occurs. • if e-ion led is blinking, there is an abnormal...

  • Page 51

    51 c. Patrol operation disable • to disable the patrol operation during unit start (default) with “off/on” button, press “patrol” button and hold for 5 seconds, then release. • to disable the patrol operation, press “patrol” button and hold for 15 seconds, then release. C. Control content a. Gas sen...

  • Page 52

    52 e. Indicator • when patrol operation starts, patrol sensor indicator on. • when e-ion operation starts based on dirtiness level, e-ion indicator on. G. Timer control • when on timer activates when unit stops, previous operation resumes without patrol operation. • when on timer activates during an...

  • Page 53

    53 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 54

    54 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 55: 13 Protection Control

    55 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...

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    56 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 110 qc, compressor will be stopped, occurs 4 times per 20 m...

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    57 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 accord...

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    58 13.2.5. 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 qc and 29qc. - outdoor air temperature is less than 30 qc...

  • Page 59: 14 Servicing Mode

    59 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 60

    60 • during remote control number switch mode, press any button at remote control to transmit and store the transmission code to the eeprom. 14.3. Remote control button 14.3.1. Set button • to check current remote control transmission code - press for more than 10 seconds. • to change the air qualit...

  • Page 61: 15 Troubleshooting Guide

    61 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...

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    62 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 63

    63 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 64

    64 15.3. Error codes table 15.3.1. Cu-e7hke cu-e9hke cu-e12hke 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. A...

  • Page 65

    65 15.3.2. Cu-e15hke 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 when abno...

  • Page 66

    66 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 67

    67 16.1.3. To remove discharge grille.

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    68 16.1.4. To remove control board 16.1.5. To remove cross flow fan and indoor fan motor.

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    69.

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    70 16.2. Outdoor electronic controller removal procedure 16.2.1. Cu-e7hke cu-e9hke cu-e12hke 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 t...

  • Page 71

    71 16.2.2. Cu-e15hke 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 electronic controller. Fig. 5 caution! When handling ...

  • Page 72: 17 Technical Data

    72 17 technical data 17.1. Operation characteristics 17.1.1. Cs-e7hkew cu-e7hke.

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    73.

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    74.

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    75.

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    76 17.1.2. Cs-e9hkew cu-e9hke.

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    77.

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    78.

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    79.

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    80 17.1.3. Cs-e12hkew cu-e12hke.

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    81.

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    82.

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    83.

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    84 17.1.4. Cs-e15hkew cu-e15hke.

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    85.

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    86.

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    87.

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    88 17.2. Sensible capacity chart o cs-e7hkew cu-e7hke o cs-e9hkew cu-e9hke o cs-e12hkew cu-e12hke o cs-e15hkew cu-e15hke 230v 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 2.03 1.54 0.43 1.90 1.48 0.46 1.77 1.42 0.50 1.61 1.35 0.53 19.0 qc 2.05...

  • Page 89

    89 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 90

    90 (note) • all parts are supplied from phaam, malaysia (vendor code: 061). • “o” marked parts are recommended to be kept in stock. Ref. No. Part name & description qty. Cs-e7hkew cs-e9hkew cs-e12hkew cs-e15hkew remarks 1 chassy complete 1 cwd50c1572 m m m 2 fan motor 1 arw61g8p30ac m m m o 3 cross ...

  • Page 91

    91 18.2. Outdoor unit 18.2.1. Cu-e7hke cu-e9hke cu-e12hke 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 92

    92 (note) • all parts are supplied from phaam, malaysia (vendor code: 061). • “o” marked parts are recommended to be kept in stock. Ref. No. Part name & description qty. Cu-e7hke cu-e9hke cu-e12hke remarks 1 chassy ass’y 1 cwd50k2073 m m 2 sound proof material 1 cwg302447 — — 3 fan motor bracket 1 c...

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    93 18.2.2. Cu-e15hke 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..

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    94 (note) • all parts are supplied from phaam, malaysia (vendor code: 061). • “o” marked parts are recommended to be kept in stock. [phaam] printed in malaysia sfyw0712-00 ref. No. Description & name qty. Cu-e15hke remarks 1 chassy ass’y 1 cwd50k2085 2 anti-vibration bushing 3 cwh50077 3 compressor ...