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  4. CS-E12EKEB
  5. Service Manual

Panasonic CS-E12EKEB Service Manual

Manual is about: Air Conditioner

Summary of CS-E12EKEB

  • Page 1

    1 safety precautions 3 2 specification 5 2.1. Cs-e9ekeb cu-e9ekeb 5 2.2. Cs-e12ekeb cu-e12ekeb 7 3 features 9 3.1. Super air purifying system with super alleru-buster 9 3.2. Ion freshener 9 3.3. Super quiet 9 3.4. Powerful heating and top-class energy effciency 9 4 location of controls and component...

  • Page 2

    12 operation and control 30 12.1. Basic function 30 12.2. Protection control 35 13 servicing mode 37 13.1. Auto switch operation 37 13.2. Indicator panel 37 14 troubleshooting guide 38 14.1. Refrigeration cycle system 38 14.2. Relationship between the condition of the air conditioner and pressure an...

  • Page 3: 1 Safety Precautions

    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 h...

  • Page 4

    1. The equipment must be earthed. It may cause electrical shock if grounding is not perfect. 2. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire. 3. Carry out drainage piping as mentioned in ins...

  • Page 5: 2 Specification

    2 specification 2.1. Cs-e9ekeb cu-e9ekeb unit cs-e9ekeb cu-e9ekeb performance test condition eurovent cooling capacity kw kcal/h 2.60 (0.60 - 3.00) 2,240 (520 - 2,580) heating capacity kw kcal/h 3.60 (0.60 - 5.40) 3,100 (520 - 4,640) moisture removal l/h pint/h 1.6 3.4 power source (phase, voltage, ...

  • Page 6

    Unit cs-e9ekeb cu-e9ekeb power cord length number of core-wire m 1.8 (1.5mm 2 ) — — dimensions height inch (mm) 11 - 1/32 (280) 21 - 1/4 (540) width inch (mm) 31 - 15/32 (799) 30 - 23/32 (780) depth inch (mm) 7 - 7/32 (183) 11 - 3/8 (289) net weight lb (kg) 20 (9.0) 77 (35) compressor type — hermeti...

  • Page 7: 2.2. Cs-E12Ekeb Cu-E12Ekeb

    2.2. Cs-e12ekeb cu-e12ekeb unit cs-e12ekeb cu-e12ekeb performance test condition eurovent cooling capacity kw kcal/h 3.50 (0.60 - 4.00) 3,010 (520 - 3,440) heating capacity kw kcal/h 4.80 (0.60 - 6.60) 4,130 (520 - 5,680) moisture removal l/h pint/h 2.0 4.2 power source (phase, voltage, cycle) ø v h...

  • Page 8

    Unit cs-e12ekeb cu-e12ekeb dimensions height inch (mm) 11 - 1/32 (280) 21 - 1/4 (540) width inch (mm) 31 - 15/32 (799) 30 - 23/32 (780) depth inch (mm) 7 - 7/32 (183) 11 - 3/8 (289) net weight lb (kg) 20 (9.0) 79 (36) compressor type — hermetic motor motor type — brushless (4-pole) rated output w — ...

  • Page 9: With Super Alleru-Buster

    3.1. Super air purifying system with super alleru-buster 3.1.1. Supersonic air purifying system • the supersonic air purifying system incorporated in the indoor unit generates supersonic waves. • the system works in combination with the filter to collects dust and dirt in the air for faster, more ef...

  • Page 10: 4.1. Indoor Unit

    4 location of controls and components 4.1. Indoor unit 4.2. Outdoor unit 4.3. Remote control 10 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 11: 5 Dimension

    5 dimension 5.1. Indoor unit & remote control 11 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 12: 5.2. Outdoor Unit

    5.2. Outdoor unit 12 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 13

    6 refrigeration cycle diagram 13 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 14: 7 Block Diagram

    7 block diagram 14 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 15: 8 Wiring Diagram

    8 wiring diagram 8.1. Cs-c9ekeb cs-c12ekeb 15 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 16: 8.2. Cu-C9Ekeb Cu-C12Ekeb

    8.2. Cu-c9ekeb cu-c12ekeb 16 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 17: 9.1. Indoor Unit

    9.1. Indoor unit 9 printed circuit board 17 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 18

    18 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 19: 9.2. Outdoor Unit

    9.2. Outdoor unit 19 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 20

    20 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 21: 10.1. Indoor Unit

    10 simplified electronic circuit diagram 10.1. Indoor unit 21 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 22: 10.2. Outdoor Unit

    10.2. Outdoor unit 22 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 23

    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. • a place where noise prevention is taken into consideration. ...

  • Page 24: 11.2. Indoor Unit

    11.2. Indoor unit 11.2.1. 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 than 6...

  • Page 25

    3. For the embedded piping (this can be used for left rear piping & left bottom piping also.) 25 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 26

    1. Open the front panel. 2. Remove the air filter. 3. Remove supersonic air purifying device. 4. Open the supersonic air purifying device frame. 5. Insert the super alleru-buster filter and close the supersonic air purifying device frame as show in illustration at right. When reinstalling the front ...

  • Page 27: 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 strong wind and earthqu...

  • Page 28

    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 connect ...

  • Page 29

    • water will drip from the basepan hole area during defrost function. To avoid water dripping, do not stand or place objects at this area. • open front panel and remove air filters. (drainage checking can be carried out without removing the front grille.) • pour a glass of water into the drain tray-...

  • Page 30: 12 Operation And Control

    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 mainta...

  • Page 31

    12.1.2.2. Horizontal airflow 1. Automatic horizontal airflow direction can be set using remote control; the vane swings left and right within the angles as stated below. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as figure 1 below. Operation mo...

  • Page 32

    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. 5. D...

  • Page 33

    12.1.4. Powerful mode operation when the powerful mode is selected, the internal setting temperature will shift to achieve the setting temperature quickly. (a) cooling operation (b) soft dry operation (c) heating operation 12.1.5. On timer control on timer can be set using remote control, the unit w...

  • Page 34

    12.1.7. Auto restart control 1. When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within three to four minutes (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly) after power supply resumes. 2. T...

  • Page 35: 12.2. Protection Control

    12.2. Protection control 12.2.1. Time delay safety control • compressor will not start for three minutes after stop of the operation. 12.2.2. 30 seconds forced operation • once compressor starts the operation, it will not stop its operation for 30 seconds. However, it can be stopped with the remote ...

  • Page 36

    12.2.8. Four-way valve operation detection control (switching abnormality between cooling and heating) in cooling operation 1. When indoor heat exchanger temperature exceeds 45°c in 4 minutes after compressor starts, compressor will be stopped. 2. If the above excess occurs 4 times per 30 minutes, t...

  • Page 37: 13 Servicing Mode

    13 servicing mode 13.1. Auto switch operation the below operations will be performed by pressing the “auto” switch. 1. Auto operation mode the auto operation will be activated immediately once the auto switch is pressed. 2. Test run operation (for pump down/servicing purpose) the test run operation ...

  • Page 38: 14 Troubleshooting Guide

    14.1. 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 fan. The normal outlet air te...

  • Page 39

    14.2. Relationship between the condition of the air conditioner and pressure and electric current cooling mode heating mode condition of the air conditoner low pressure high pressure electric current during operation low pressure high pressure electric current during operation insufficient refrigera...

  • Page 40: 14.4. Error Codes Table

    14.4. Error codes table diagnosis display abnormality / protection control abnormality judgement emergency operation primary location to verify h00 no abnormality detected — normal operation — h11 indoor / outdoor abnormal communication > 1 min after starting operation indoor fan operation only • in...

  • Page 41

    15 disassembly and assembly instructions • caution! When handling electronic controller, be careful of electrostatic discharge. • be sure to return the wiring to its original position. • there are many high voltage components within the heat sink cover so never touch the interior during operation. W...

  • Page 42

    42 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 43

    15.2. Indoor cross flow fan and fan motor 43 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 44

    44 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 45

    15.3. Outdoor propeller fan and fan motor 45 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 46

    46 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 47: 16 Technical Data

    16 technical data 16.1. Cs-e9ekeb cu-e9ekeb cooling characteristic at different outdoor air temperature condition indoor room temperature: 27/19 °c remote control setting: hi fan, cool 16 °c compressor frequency: rated cooling voltage: 230 v 47 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 48

    Heating characteristic at different outdoor air temperature condition indoor room temperature: 20 °c remote control setting: hi fan, heat 30 °c compressor frequency: rated heating voltage: 230 v 48 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 49

    49 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 50

    Cooling characteristic at different piping length condition indoor room temperature: 27/19 °c remote control setting: hi fan, cool 16 °c compressor frequency: rated cooling voltage: 230 v 50 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 51

    Heating characteristic at different piping length condition indoor room temperature: 20 °c remote control setting: hi fan, heat 30 °c compressor frequency: rated heating voltage: 230 v 51 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 52

    52 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 53

    16.2. Cs-e12ekeb cu-e12ekeb cooling characteristic at different outdoor air temperature condition indoor room temperature: 27/19 °c remote control setting: hi fan, cool 16 °c compressor frequency: rated cooling voltage: 230 v 53 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 54

    Heating characteristic at different outdoor air temperature condition indoor room temperature: 20 °c remote control setting: hi fan, heat 30 °c compressor frequency: rated heating voltage: 230 v 54 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 55

    55 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 56

    Cooling characteristic at different piping length condition indoor room temperature: 27/19 °c remote control setting: hi fan, cool 16 °c compressor frequency: rated cooling voltage: 230 v 56 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 57

    Heating characteristic at different piping length condition indoor room temperature: 20 °c remote control setting: hi fan, heat 30 °c compressor frequency: rated heating voltage: 230 v 57 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 58

    16.3. Sensible capacity chart condition indoor temperature : 27°c / 19°c outdoor temperature : 35°c / 24°c ● cs-e9ekeb cu-e9ekeb 230v outdoor temperature (°c) indoor wet bulb temperature 30 35 40 46 tc shc ip tc shc ip tc shc ip tc shc ip 17.0°c 2.58 1.96 0.54 2.41 1.88 0.58 2.24 1.80 0.62 2.04 1.71...

  • Page 59: 17.1. Cs-E9Ekeb Cs-E12Ekeb

    17 exploded view and replacement parts list 17.1. Cs-e9ekeb cs-e12ekeb 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. 59 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 60: 17.2. Cs-E9Ekeb Cs-E12Ekeb

    17.2. Cs-e9ekeb cs-e12ekeb ref. No. Part name & description qty. Cs-e9ekeb cs-e12ekeb remarks 1 chassy complete 1 cwd50c1431 ← 2 fan motor, dc 30w 3ph 1 cwa981149j ← o 3 cross flow fan complete 1 cwh02c1045 ← 4 bearing assy 1 cwh64k007 ← 5 screw - cross flow fan 1 cwh551146 ← 6 evaporator co. 1 cwb3...

  • Page 61: 17.3. Cu-E9Ekeb Cu-E12Ekeb

    17.3. Cu-e9ekeb cu-e12ekeb 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. 61 cs-e9ekeb cu-e9ekeb / cs-e12ekeb cu-e12ekeb.

  • Page 62: 17.4. Cu-E9Ekeb Cu-E12Ekeb

    17.4. Cu-e9ekeb cu-e12ekeb ref no. Description & name qty. Cu-e9ekeb cu-e12ekeb remarks 1 chassy assy 1 cwd50k2140 ← 2 anti - vibration bushing 3 cwh50077 ← 3 compressor, dc 220v 1 5cs110xbd04 ← o 4 nut - compressor mount 3 cwh56000j ← 5 crankcase heater 1 cwa341026 ← 6 sound proof material 1 cwmg30...