Panasonic CS-E12GKEW Service Manual Download Page 14

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6 Refrigeration Cycle Diagram

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)

Max. Piping

Length

(m)

Additional

Refrigerant

(g/m)

Gas

Liquid

E7GK, E9GK, E12GK

3/8”

1/4”

7.5

Summary of Contents for CS-E12GKEW

Page 1: ...ions 12 5 1 Indoor Unit 12 5 2 Outdoor Unit 13 6 Refrigeration Cycle Diagram 14 7 Block Diagram 15 8 Wiring Connection Diagram 16 8 1 Indoor Unit 16 8 2 Outdoor Unit 17 9 Electronic Circuit Diagram 18 9 1 Indoor Unit 18 9 2 Outdoor Unit 19 10 Printed Circuit Board 20 10 1 Indoor Unit 20 10 2 Outdoor Unit 22 11 Installation Instruction 23 11 1 Select The Best Location 23 11 2 Indoor Outdoor Unit In...

Page 2: ...eakage electrical shock or fire 2 Install according to this installation instruction strictly If installation is defective it will cause water leakage electrical shock or fire 3 Use the attached accessories parts and specified parts for installation and servicing Otherwise it will cause the set to fall water leakage fire or electrical shock 4 Install at a strong and firm location which is able to ...

Page 3: ...tenance 2 Power supply connection to the 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 permanent connection of this room air conditioner to the power supply is prohibited 1 Power supply connection ...

Page 4: ...80 Refrigeration Control Device Check Valve Capillary Tube Refrigeration Oil cm3 RB68A or Freol Alpha68M 320 Refrigerant R410A g oz 790 27 9 Dimension Height mm inch 280 11 1 32 540 21 1 4 Width mm inch 799 31 15 32 780 30 23 32 Depth mm inch 183 7 7 32 289 11 3 8 Net Weight kg lbs 9 20 33 73 Pipe Diameter Gas mm inch 9 52 3 8 Liquid mm inch 6 35 1 4 Standard Length m ft 7 5 24 6 Pipe Length Range...

Page 5: ...al Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row x Stage x FPI 2 x 15 x 19 2 x 24 x 17 Size W x H x L mm 610 x 315 x 25 4 36 4 x 504 x 713 684 Air Filter Material Polypropelene Type One Touch Item Unit Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Power W Cooling 480 170 590 Heating 650 160 1020 Starting Current A 3 1 Running Current A Cooling 2 3 Heating 3 1 Powe...

Page 6: ...geration Control Device Check Valve Capillary Tube Refrigeration Oil cm3 RB68A or Freol Alpha68M 320 Refrigerant R410A g oz 965 34 1 Dimension Height mm inch 280 11 1 32 540 21 1 4 Width mm inch 799 31 15 32 780 30 23 32 Depth mm inch 183 7 7 32 289 11 3 8 Net Weight kg lbs 9 20 34 75 Pipe Diameter Gas mm inch 9 52 3 8 Liquid mm inch 6 35 1 4 Standard Length m ft 7 5 24 6 Pipe Length Range m ft 3 ...

Page 7: ... Type Slit Fin Corrugated Fin Row x Stage x FPI 2 x 15 x 19 2 x 24 x 17 Size W x H x L mm 610 x 315 x 25 4 36 4 x 504 x 713 684 Air Filter Material Polypropelene Type One Touch Item Unit Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Power W Cooling 590 175 750 Heating 835 165 1340 Starting Current A 3 9 Running Current A Cooling 2 8 Heating 3 9 Power Factor Cooling 92 Heating 93 Powe...

Page 8: ...igeration Control Device Check Valve Capillary Tube Refrigeration Oil cm3 RB68A or Freol Alpha68M 320 Refrigerant R410A g oz 980 34 6 Dimension Height mm inch 280 11 1 32 540 21 1 4 Width mm inch 799 31 15 32 780 30 23 32 Depth mm inch 183 7 7 32 289 11 3 8 Net Weight kg lbs 9 20 35 77 Pipe Diameter Gas mm inch 9 52 3 8 Liquid mm inch 6 35 1 4 Standard Length m ft 7 5 24 6 Pipe Length Range m ft 3...

Page 9: ...Type Slit Fin Corrugated Fin Row x Stage x FPI 2 x 15 x 21 2 x 24 x 17 Size W x H x L mm 610 x 315 x 25 4 36 4 x 504 x 713 684 Air Filter Material Polypropelene Type One Touch Item Unit Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Power W Cooling 950 185 1200 Heating 1280 175 1910 Starting Current A 5 9 Running Current A Cooling 4 4 Heating 5 9 Power Factor Cooling 94 Heating 94 Pow...

Page 10: ...r automatically detect the air quality When the air quality is unsatisfactory e ion operation will start automatically e ion Air Purifying System provides clean air by producing negative ions to attract dust which will then be captured at the positively charged e ion filters Serviceability Improvement Removable and washable Front Panel Breakdown Self Diagnosis function Environmental Protection Non...

Page 11: ...11 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 12: ...12 5 Dimensions 5 1 Indoor Unit ...

Page 13: ...13 5 2 Outdoor Unit ...

Page 14: ...th 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 Max Piping Length m Additional Refrigerant g m Gas Liquid E7GK E9GK E12GK 3 8 1 4 7 5 7 5 15 15 20 ...

Page 15: ...15 7 Block Diagram ...

Page 16: ...16 8 Wiring Connection Diagram 8 1 Indoor Unit ...

Page 17: ...17 8 2 Outdoor Unit ...

Page 18: ...18 9 Electronic Circuit Diagram 9 1 Indoor Unit ...

Page 19: ...19 9 2 Outdoor Unit ...

Page 20: ...20 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 21: ...21 10 1 2 Power Printed Circuit Board 10 1 3 Indicator Panel 10 1 4 Patrol ...

Page 22: ...22 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...

Page 23: ...t sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over the rated length additional refrigerant sh...

Page 24: ... method is by putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 150 mm and 125 mm for left and right hole respectively Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outdoor side 11 3 2 TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF PIPING 1 Insert the piping sleev...

Page 25: ...25 3 For the embedded piping This can be used for left rear piping and left bottom piping also ...

Page 26: ...oroprene sheathed 4 1 5 mm2 flexible cord type designation 245 IEC 57 or heavier cord Ensure the colour of wires of outdoor unit and the termi nal Nos are the same to the indoor s respectively Earth lead wire shall be longer than the other lead wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage Secure the cable onto the control board w...

Page 27: ...he flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table Connecting The Piping To Outdoor Unit Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valves and then tighten with torque wrench to the specifie...

Page 28: ...ort of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 18 NO m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage 11 4 4 CONNECT THE CABLE TO THE OUTDOOR UNIT FOR DETAIL ...

Page 29: ...sheathed power supply cable 3 x 1 5 mm2 type designation 245 IEC 57 or heavier cord to the terminal board and connect the other end of the cable to knife switch Disconnecting means Note Knife switch Disconnecting means should have minimum 3 5 mm contact gap Secure the cable onto the control board with the holder clamper ...

Page 30: ...arts remote control setting temperature will be taken as base value for temperature shifting processes These shifting processes are depending on the air conditioner settings and the operation environment The final shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit 12 1 2 Cooling Operation 12 1 2 1 Thermost...

Page 31: ...door air temperature The operation mode is decided based on below chart Values of T1 T2 and T3 depend on remote control setting temperature as shown in below table After the adjustment of T1 T2 and T3 values the operation mode for that particular environment and remote control setting is judged and performed based on the above operation mode chart every 30 minutes There is a temperature shifting o...

Page 32: ...m i Manual Fan Speed Cooling Dry Fan motor s number of rotation is determined according to remote control setting Heating Fan motor s number of rotation is determined according to remote control setting 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 Remote Contro...

Page 33: ...low directed by vertical vanes 2 Control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control 12 1 8 1 Vertical Airflow 1 Automatic vertical airflow direction can be set using remote control the vane swings up and down within the angles as s...

Page 34: ...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 During quiet operation if timer on activates quiet operation maintains 6 After off when on back quiet operation is not memorised C Control contents 1 Fan speed is changed from normal setting to quiet setting of respective fan...

Page 35: ...r 12 1 11 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 12 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...

Page 36: ...If Timer LED is blinking there is an abnormality operation occurs If e ion LED is blinking there is an abnormality of e ion occurs If PATROL LED is blinking there is a gas sensor error detection 12 1 16 Patrol Operation A Purpose To monitor air dirtiness level by using gas sensor and activates e ion operation whenever air is dirty B Control Condition a Patrol operation start condition When the uni...

Page 37: ...ess level 1 Moderate Air Dirtiness level 2 Contaminated Dirtiness level sensitivity adjustment It is possible to change the gas sensor sensitivity where the Threshold value G1 G4 will be shifted accordingly 1 Press and release SET buttton 2 Press Timer increment Timer decrement button to select sensitivity Low Standard Default High 3 Confirm setting by pressing Timer Set button LCD returned to ori...

Page 38: ...eration stops h Power failure During Patrol individual operation if power failure occurs after power resumes Patrol individual operation resumes immediately During combination operation if power failure occurs after power resumes combination operation resume immediately 12 1 17 e ion Operation A Purpose This operation provides clean air by producing negative ions to attract dust captured at the po...

Page 39: ...er activates during any operation all operation stops d Indicator When e ion operation starts e ion indicator ON e e ion Check Mode To check if e ion is malfunctioning during e ion operation press e ion button for 15 seconds and release to enter e ion Check Mode and supplies power to the e ion Air Purifying System If abnormal discharge is detected at filter short circuited due to water or dust adh...

Page 40: ...ation e ion indicator and Timer indicator stop blinking 12 2 Protection Control 12 2 1 Protection Control For All Operations 12 2 1 1 Time Delay Safety Control 1 The compressor will not start 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 12 2 1 2 30 Seconds Forced Operation 1 Once compres...

Page 41: ...e stopped occurs 4 times per 20 minutes timer LED will be blinking F97 is to be confirmed 12 2 1 6 Low Pressure Prevention Control Gas Leakage Detection a Control start conditions For 5 minutes the compressor continuously operates and outdoor total current is between 0 65A and 1 65A During Cooling and Soft Dry operations Indoor suction temperature indoor piping temperature is below 4 C During Heat...

Page 42: ...9GK E12GK E15GK 44 E7GK Hz for heating mode operation 12 2 2 Protection Control For Cooling Soft Dry Operation 12 2 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 12 2 2 2 Cooling Overload Control Detects the Outdoor pipe tempe...

Page 43: ...for 5 minutes the fan speed will return to its normal operation 12 2 3 Protection Control For Heating Operation 12 2 3 1 Intake Air Temperature Control Compressor will operate at Max freq if either one of the below conditions occur 1 When the indoor intake air temperature is 30 C or above 12 2 3 2 Outdoor Air Temperature Control The Max current value is regulated in accordance to the outdoor air t...

Page 44: ...tch Mode is in standby condition and press any button at remote control to transmit and store the desired transmission code to the EEPROM For transmission code selection explanation please refer to Select Remote Control Transmission Code 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 fo...

Page 45: ...t operate for 30 seconds 13 3 2 CLOCK BUTTON To change the remote control s time format Press for more than 5 seconds 13 3 3 RESET RC To clear and restore the remote control setting to factory default Press once to clear the memory 13 3 4 RESET AC To restore the unit s setting to factory default Press once to restore the unit s setting 13 3 5 TIMER To change indoor unit indicator s LED intensity P...

Page 46: ... 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 temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right ...

Page 47: ...es after an operation is started Cooling Mode Heating Mode Low Pressure High Pressure Electric current during operating Low Pressure High Pressure Electric current during operating Condition of the air conditioner Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression ...

Page 48: ...status 1 Turn power on 2 Press the CHECK button on the remote controller contiguously for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the TIMER or button on the remote controller The code H00 no abnormality will be displayed and signal will be transmitted to the main unit The power ...

Page 49: ... sensor defective or disconnected H25 E Ion breakdown Indoor PCB E Ion PCB H27 Outdoor air temperature sensor abnormality Continue for 5 sec O Outdoor temperature sensor defective or disconnected H28 Outdoor heat exchanger temperature sensor abnormality Continue for 5 sec O Outdoor heat exchanger temperature sensor defective or disconnected H33 Indoor Outdoor wrong connection Indoor Outdoor supply...

Page 50: ...d both sides of the Front Grille and remove it by pulling up and towards you gently Fig 1 Fig 1 15 1 2 To remove the Main Electronic Controller Unhook the tabs at the Control Board to remove the Control Board Cover Fig 2 Release the Indicator by detaching the CN DISP and CN LED then remove the Indicator from the 2 tabs Fig 3 Fig 2 Fig 3 High voltages are generated in the electrical parts area by t...

Page 51: ...4 Fig 5 15 1 3 To remove the Power Electronic Controller Release the screw for the Earth wire Fig 6 Pull out 2 terminal wires Black and Red from the Terminal Board Fig 6 Detach the Terminal Board from the Control Board Fig 6 Press the Hold to the left side remove the Particular Piece and slide out the Power Electronic Controller Fig 6 Release the AC 301 BRW connector Fig 7 Release the AC 303 WHT c...

Page 52: ... Board you will be able to remove the Control Board Fig 9 Fig 9 15 1 6 To remove the Cross Flow Fan and Indoor Fan Motor Remove the screw at the Cross Flow Fan Fig 10 Reminder To reinstall the Fan Motor please adjust the connector location to 45 with Fan Motor before fixing Control Board Fig 10 Remove the Bearing Fig 11 Remove the screw at the left of the Evaporator Fig 11 Press the Hold to the le...

Page 53: ...53 Lift up the Evaporator and remove the Cross Flow Fan from the unit by pulling it to the left and downward Fan Motor can be removed after the removal of the Cross Flow Fan Fig 12 Fig 12 ...

Page 54: ...ler 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 the Terminal Board Cover 4 Remove the Top Cover of the Control Board by 4 hooks Fig 3 5 Remove the Control Board as follows Fig 4 Fig 5 Fig 6 ...

Page 55: ...55 16 Technical Data 16 1 Operation Characteristics 16 1 1 CS E7GKEW CU E7GKE ...

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Page 59: ...59 16 1 2 CS E9GKEW CU E9GKE ...

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Page 63: ...63 16 1 3 CS E12GKEW CU E12GKE ...

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Page 67: ... 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 0 67 19 0 C 2 60 0 59 19 5 C 2 83 2 05 0 55 2 65 1 97 0 59 2 46 1 89 0 63 2 24 1 80 0 68 22 0 C 3 09 2 12 0 56 2 88 2 04 0 60 2 68 1 97 0 64 2 44 1 88 0 70 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 3 47 2 63 0 87 3 24 2 52 0 94 3 02 2 43 1 00 2 74 2...

Page 68: ...7 Exploded View and Replacement Parts List 17 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 69: ...096 18 HORIZONTAL VANE COMPLETE 1 CWE24C1176 19 BACK COVER CHASSIS 1 CWD932454 20 CONTROL BOARD CASING 1 CWH102321 21 TERMINAL BOARD COMPLETE 1 CWA28C2128J O 23 ELECTRONIC CONTROLLER MAIN 1 CWA73C2532 CWA73C2533 CWA73C2534 O 24 ELECTRONIC CONTROLLER POWER 1 CWA744567 O 25 SENSOR COMPLETE 1 CWA50C2122 O 26 CONTROL BOARD FRONT COVER 1 CWH131207 27 INDICATOR COMPLETE 1 CWE39C1168 O 28 INDICATOR HOLDE...

Page 70: ...70 17 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 71: ...2316 N Europe Only CWG302443 Others CWG302292 E Europe L America Turkey CWG302316 Others CWG302292 E Europe L America Turkey CWG302316 Others 23B SOUND PROOF MATERIAL 1 CWG302317 N Europe Only Others CWG302293 E Europe L America Turkey CWG302317 Others CWG302293 E Europe L America Turkey CWG302317 Others 24 SENSOR COMPLETE 1 CWA50C2205 O 25 CONTROL BOARD COVER 1 CWH131264 26 ELECTRONIC CONTROLLER ...

Page 72: ...W0611 00 45 INSTALLATION INSTRUCTION NED GRE ITA POR 1 CWF613078 46 INSTALLATION INSTRUCTION BUL 1 CWF613082 47 HOLDER SENSOR 1 CWH321023 48 SOUND PROOF MATERIAL 1 CWG302315 N Europe Only Others E Europe L America Turkey CWG302315 Others E Europe L America Turkey CWG302315 Others REF NO PART NAME DESCRIPTION QTY CU E7GKE CU E9GKE CU E12GKE REMARKS ...

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