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Panasonic CS-LE9NKD, Руководство по обслуживанию

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50 

    3.After removing the bearing, indoor fan can be taken out from the left side 
 
 
 
 
 
 
 
 
 
 
 
 
 

4.Lift up the indoor fan slightly, and then pull the fan motor out. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 

Loose the screw of human sensor complete, which is fixing to the discharge grille. Remove the upper cover of human 
sensor complete, take out the sensor PCB, disconnect the wire connector to CN2 of sensor PCB. ( Please be awared 
there are two small PCBs contained in the human activity sensor complate.) 
 
 
 
 
 
 
 
 
 

 

 
 
 
                                                                 Human sensor complete 
 
 
 
 
 
 
 
 
 
 
 
 
 

Bearing 

Fan motor 

Removal Procedure for Human activity sensor complete 

Содержание CS-LE9NKD

Страница 1: ...ission Code 22 11 3 Operate and Display of Remote Control 23 12 Operation Control 25 12 1 Basic Function 25 12 2 Indoor Fan Motor Operation 27 12 3 Outdoor Fan Motor Operation 28 13 Protection control 31 13 1 Protection Control for All Operations 31 13 2 Protection Control For Cooling and Soft Dry Operation 33 13 3 Indoor Piping Air Temperature Control Heating 34 14 Troubleshooting Guide 36 14 1 R...

Страница 2: ...wn Self Diagnosis Function 37 15 Technical Data 39 15 1 Operation Characteristics 39 16 Disassembly and Assembly Instructions 47 17 Exploded View and Replacement Pars List 51 17 1 Indoor Unit 51 17 2 Outdoor Unit 53 ...

Страница 3: ...d result in explosion injury etc 8 For R410A models when connecting the piping do not use any existing R22 pipes and flare nuts Using such same may cause abnormally high pressure in the refrigeration cycle piping and possibly result in explosion and injury Use only R410A materials Thickness or copper pipes used with R410A must be more than 0 8 mm Never use copper pipes thinner than 0 8 mm It is de...

Страница 4: ...electrical shock in case equipment breakdown or insulation breakdown 1 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 2 Do not release refrigerant during piping work for installation re installation and during repairing a refrigeration parts Take care of the liquid refrigerant it may cause fro...

Страница 5: ...5 12 86 12 00 Power Factor 93 92 dB A H L QLo Hi 40 Lo 27 QLo 23 Hi 42 Lo 33 QLo 25 Indoor Noise Power Level 56 58 dB A H L Hi 48 Lo Hi 50 Lo HEATING Outdoor Noise Power Level 64 66 Max Current A Max Input Power W 6 50 1 350k 8 80 1 600k Starting Current A 4 00 5 40 Type Hermetic Motor Hermetic Motor Motor Type BRUSHLESS 6 poles BRUSHLESS 6 poles Compressor Output Power W 750 900 Type Cross flow f...

Страница 6: ...diameter mm 16 16 Drain Hose Length mm 500 500 Fin Material Pre coated Pre coated Fin Type Slit Fin Slit Fin Row x Stage x FPI 2 x 16 x 19 2 x 16 x 19 Indoor Heat Exchanger Size W x H x L mm 610 x 336 x 25 4 610 x 336 x 25 4 Fin Material Pre coated Pre coated Fin Type Slit Fin Slit Fin Row x Stage x FPI 1 x 24 x 19 1 x 28 x 18 Outdoor Heat Exchanger Size W x H x D mm 661 x 504 x 18 19 715 x 588 x ...

Страница 7: ... Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect compressor Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickly o AUTO COMFORT ECONAVI operation o 12 hour timer Serviceability Improvement o...

Страница 8: ...etting POWER GREEN TIMER ORANGE AUTO COMFORT GREEN INDICATOR ECONAVI GREEN Front Panel Horizontal airflow Direction louver Air Filter Vertical airflow Direction louver Receiver Human activity sensor Transmitter OFF ON Fan speed selection Quiet Mode included Powerful mode Operation mode Temperature setting Vertical Airflow direction adjustment ECONAVI For energy saving AUTO COMFORT To maximize comf...

Страница 9: ...9 5 Dimensions 5 1 Indoor Unit Unit mm ...

Страница 10: ...10 5 2 Outdoor Unit CU LE9NKD Unit mm CU LE12NKD ...

Страница 11: ...11 6 Refrigeration Cycle Diagram CS CU LE9NKD CS CU LE12NKD COOLING HEATING ...

Страница 12: ...12 7 Block Diagram CS CU LE9NKD CS CU LE12NKD ...

Страница 13: ...13 8 Block Diagram CS CU LE9NKD ...

Страница 14: ...14 CS CU LE12NKD ...

Страница 15: ...15 9 Printed Circuit Board 9 1 Indoor Unit ...

Страница 16: ...in 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 piping length for add Gas additional refrigerant shoul...

Страница 17: ...ll with 5 screws or more If mounting the unit on the wall consider using anchor bolts Always mount the installation plate horizontally by aligning the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with ø70 mm hole core drill Put measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 178 5 mm and...

Страница 18: ...18 10 2 3 Indoor Unit Installation ...

Страница 19: ...ecting requirement 10 3 Outdoor Unit 10 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 earthquake Please fasten the installation stand firmly with bolt or nails MODEL A...

Страница 20: ...h pin to the service port 2 Connect the center hose of the charging set to a vacuum pump with check valve or vacuum pump and vacuum pump adaptor 3 Turn on the power switch of the vacuum pump and make sure that the needle in the gauge moves from 0 cmHg 0 Mpa to 76 cmHg 0 1 Mpa Then evacuate the air approximately ten minutes 4 Close the Low side valve of the charging set and turn off the vacuum pump...

Страница 21: ...necting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4x 1 5mm 2 flexible cords type designation 245 IEC 57 or heavier cord 3 Secure the cable onto the control board with the holder clamper 4 Attach the control board cover back to the original position with the screw 5 For wiring stripping and connection requirement refer to instruction 10 2 4 of indoor unit...

Страница 22: ...ER ACTION When the switch is continuously pressed between 16 to 21 seconds either H14 error detection selection mode or remote controller s signal receiving sound can be cancelled or turned on 11 2 Select Remote Control Transmission Code There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor PCB The indoor unit will only operate when received signal ...

Страница 23: ...RATION To provide quiet environment comparing to normal operation by reducing the air flow noise The Quiet operation can be entered by pressing FAN SPEED until the display switched to show QUIET on the remote control screen 11 3 5 AIR SWING button To adjust vertical airflow directions by pressing AIR SWING button 5 options 11 3 6 POWERFUL button Enable the desired set temperature to be reached qui...

Страница 24: ...peration press ECONAVI button again Display of ECONAVI on remote control screen will disappear ECONAVI indicator on indoor unit blacks out Note POWERFUL AUTO COMFORT and ECONAVI operation can not be active simultaneously Either AUTO COMFORT or ECONAVI operation is on remote control display shows ECONAVI on remote control screen 11 3 9 Timer setting button There are 4 types of timer setting by pres...

Страница 25: ...ppears The air conditioner can be stopped with any button Except for ON OFF TIMER A TIMER B pressed 2 The air conditioner is on standby but the cursor key which points to OFF disappears The air conditioner can be started with any button Except for ON OFF TIMER A TIMER B pressed 12 Operation Control 12 1 Basic Function 12 1 1 Internal Setting Temperature Once the operation starts remote control set...

Страница 26: ...1 3 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 2 5 Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 0 5K 12 1 4 Heating operation 12 1 4 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 2 0 Compressor is ON after waiting for...

Страница 27: ...de If indoor intake temp Remote control temp setting 2 Heat mode Note When auto judgment has been made to operate in Cool mode the unit will enter different states according to outdoor temperature conditions Outdoor Temp Condition Air Conditioner Status If outdoor temperature 16 Cooling operation If outdoor temperature 16 Compressor OFF and standby During sampling and making judgment POWER LED wil...

Страница 28: ...arts when compressor starts operation and it stops 30 seconds after compressor stops operation 30 s Compressor Outdoor Fan ON ON OFF OFF ON 12 3 1 Vertical Airflow Airflow Direction 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...

Страница 29: ...her human is in or absent and to judge human activity level based on pulse within its limited range 2 AUTO COMFORT and ECONAVI operation By pressing AUTO COMFORT or ECONAVI button on remote control with detection of the human activity sensor the unit makes adjustment of internal setting temperature and indoor fan speed automatically in order to maximize comfort AUTO COMFORT mode or optimize energy...

Страница 30: ...n of AUTO COMFORT or ECONAVI as what has been set before the power failure 12 3 5 Automatic Restart Control When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes after power supply resumes 12 3 6 Indication Panel LED POWER TIMER AUTO COMFORT ECONAVI Color Green Orange Green Green Light ON Operation ON Timer setting ON A...

Страница 31: ...sing the OFF ON button at the remote control is permitted or the Auto OFF ON button at indoor unit The reason for the compressor to force operation for minimum 30 seconds is to allow the refrigerant oil run in a full cycle and return back to the outdoor unit 13 1 3 Total running current control 1 If the outdoor unit total running current is detected exceeding I1 A the frequency instructed for comp...

Страница 32: ... prevent the compressor running in too low frequency for long time If all following conditions are fulfilled the compressor will run in frequency of 30 Hz Models LE9NKD LE12NKD Intake Air Temp 30 or 14 28 or 14 Outdoor Temp 38 or 16 24 or 4 Indoor Piping Temp 30 0 Operation Mode Cool Dry Heat 13 1 7 Low pressure Prevention control Gas Leakage Detection a Control start conditions For 5 minutes the ...

Страница 33: ...sor For prevention of freezing of the indoor evaporator the frequency of the compressor will be changed according to the indoor piping temperature Indoor Fan Control Indoor fan speed changes according to the indoor piping temperature In up zone shown below the fan speed increases by 50r min until the indoor piping temperature reaches 9 cooling 5 dry or above for 5 minutes However the control is un...

Страница 34: ... Manual Fan Speed Piping Temperature K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 K10 K11 16 19 24 32 32 36 36 39 54 54 57 60 Auto Fan Speed 2 During heating operation the indoor fan will run at the following speed when the compressor stops 2 Normal Hot Start When the heating operation starts the indoor fan stops and the compressor run with a certain frequency This is to prevent the cold airflow from blowing Hot...

Страница 35: ...35 13 3 2 Overload Protection Control Frequency of compressor is determined by indoor piping temperature ...

Страница 36: ...utdoor temperature 35 C at cooling mode and 7 C at heating mode Compressor operates at rated frequency Different in the intake and outlet air temperatures Normal Value of electric current during operation Dusty condenser preventing heat radiation Excessive amount of refrigerant Measuring the air temperature different Measuring electric current during operation Measuring gas side pressure More than...

Страница 37: ...n be restarted using AUTO Switch on the indoor unit In forced operation the frequency for compressor and fan speed can not be changed and the signal receiving sound is different Normal Operation ON pep Forced Operation ON pep pep pep pep Stop pep Note Refer to the Diagnosis Code Table for the malfunction when forced operation is not available 14 2 2 Display of Error Code 1 Keeping the CHECK button...

Страница 38: ...disconnected H33 Incorrect connection of Indoor Outdoor cable Indoor outdoor supply voltage H97 Outdoor fan motor lock Twice within 30 minutes Outdoor fan motor H98 Indoor high pressure protection Air filter dirty Air circulation short circuit H99 Indoor heat exchanger anti freezing protection Indoor heat exchanger freezing Insufficient refrigerant Air filter dirty F11 Cooling Heating cycle change...

Страница 39: ...39 15 Technical Data 15 1 Operation Characteristics 15 1 1 CS LE9NKD CU LE9NKD Cooling Characteristic at Different Outdoor Air Temperature ...

Страница 40: ...40 Cooling Characteristic at Different Piping Length ...

Страница 41: ...41 Heating Characteristic at Different Outdoor Air Temperature ...

Страница 42: ...42 Heating Characteristic at Different Piping Length ...

Страница 43: ...43 15 1 2 CS LE12NKD CU LE12NKD Cooling Characteristic at Different Outdoor Air Temperature ...

Страница 44: ...44 Cooling Characteristic at Different Piping Length ...

Страница 45: ...45 Heating Characteristic at Different Outdoor Air Temperature ...

Страница 46: ...46 Heating Characteristic at Different Piping Length ...

Страница 47: ... this caution may result in electric shocks 1 Open the intake grille and pull it to the horizontal position 2 Pull up the front panel and be careful of the hooks on both sides of intake grille Slightly press the pieces and pull the front panel off 1 Remove the two caps at the discharge port right and left and then release the two screws on both sides Removal Procedure for front panel Removal Proce...

Страница 48: ...d then pull out the front grille form the unit body 1 Separate the drain hose and the drain plate 2 Loose fixing screw to remove the Human sensor 3 Pull out the discharge slightly Front grille Removal Procedure for Discharge Grille ...

Страница 49: ...ut Be careful to avoid cracking of the supporting hook 1 Release fixing screws on both side disassembly the fixing board from evaporator on the left side and pull out the whole evaporator 2 Loose the fixing screw of the cross flow fan Removal Procedure for Cross Flow Fan Fixing Screw Control board cover Holder Indicator receiver Main PCB Removal Procedure for Main Electronic Controller CN FM Fan m...

Страница 50: ...uman sensor complete which is fixing to the discharge grille Remove the upper cover of human sensor complete take out the sensor PCB disconnect the wire connector to CN2 of sensor PCB Please be awared there are two small PCBs contained in the human activity sensor complate Human sensor complete Bearing Fan motor Removal Procedure for Human activity sensor complete ...

Страница 51: ...51 17 Exploded View and Replacement Pars List 17 1 Indoor Unit CS LE9NKD CS LE12NKD ...

Страница 52: ...TE 1 CWA28C2442 CWA28C2442 15 MAIN PCB 1 CWA73C6127 CWA73C6128 16 POWER SUPPLY CORD COMPLETE 1 CWA20C3079 CWA20C3079 17 HUMEN SENSOR 1 CWA50C2785 CWA50C2785 18 LEAD WIRE HUMEN SENSOR 1 CWA67C9404 CWA67C9404 19 SENSOR 1 CWA50C2883 CWA50C2883 20 CONTROL BOARD TOP COVER 1 CWH131454 CWH131454 21 CONTROL BOARD BACK COVER 1 CWH131455 CWH131455 22 REMOTE CONTROL 1 CWA75C4058 CWA75C4058 23 FRONT GRILLE CO...

Страница 53: ...53 17 2 Outdoor Unit CU LE9NKD ...

Страница 54: ...54 CU LE12NKD ...

Страница 55: ...SPRING 1 CWH71044 18 SOUND PROOF BOARD 1 CWH15K1048 CWH15K1046 19 RECEIVER 1 CWB141023 CWB141023 20 REACTOR 1 G0C223J00006 G0C103J00031 21 CONTROL BOX COMPLETE 1 CWH14C9314 CWH14C9315 22 TERMINAL BOARD ASS Y 1 CWA28K1248 CWA28K1248 23 SENSOR COMPLETE COMP 1 CWA50C2848 CWA50C2847 24 SENSOR COMPLETE PIPING 1 CWA50C2835 CWA50C2836 25 CAPILLARY COMPLETE 1 CWT01C6089 CWT01C6030 26 V COIL COMPLETE FOR 4...

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