Panasonic CS-E15EKEA Service Manual Download

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14.2. 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

Condition of the

air conditoner

Low Pressure

High Pressure

Electric current

during operation

Low Pressure

High Pressure

Electric current

during operation

Insufficient refrigerant

(gas leakage)

Clogged capillary tube or

Strainer

Short circuit in the indoor

unit

Heat radiation deficiency of

the outdoor unit

Inefficient compression

Summary of Contents for CS-E15EKEA

Page 1: ... CU E15EKEA 5 2 2 CS E18EKEA CU E18EKEA 7 2 3 CS E21EKEA CU E21EKEA 9 3 Features 11 4 Location of Controls and Components 12 4 1 Indoor Unit 12 4 2 Outdoor Unit 13 4 3 Remote Control 13 5 Dimensions 14 5 1 Indoor Unit Remote Control 14 5 2 Outdoor Unit 16 6 Refrigeration Cycle Diagram 17 7 Block Diagram 18 8 Wiring Connection Diagram 19 8 1 Indoor Unit 19 8 2 Outdoor Unit 20 9 Printed Circuit Boar...

Page 2: ...g The Wireless Remote Control Transmission Code 48 13 3 Indication Panel 49 14 Troubleshooting Guide 50 14 1 Refrigeration Cycle System 50 14 2 Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current 51 14 3 BREAKDOWN SELF DIAGNOSIS FUNCTION 52 14 4 Error Codes Table 53 15 Disassembly and Assembly Instructions 54 15 1 Indoor Electronic Controller and Control Boa...

Page 3: ...rm location which is able to withstand the set s weight If the strength is not enough or installation is not properly done the set will drop and cause injury 5 For electrical work follow the local national wiring standard regulation and the installation instruction An independent circuit and single outlet must be used If electrical circuit capacity is not enough or defect found in electrical work ...

Page 4: ...g 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 to the receptacle using a power plug Use an approved power plug with earth pin for the connection to the socket 2 Power sup...

Page 5: ...ower level dB Cooling High 54 Heating High 54 Cooling High 59 Heating High 59 Electrical Data Input Power W Cooling 1 370 215 1 600 Heating 1 570 245 2 250 Running Current A Cooling 6 3 Heating 7 1 EER W W Cooling 3 21 4 19 3 13 BTU hW Cooling 10 9 14 3 10 7 COP W W Heating 3 50 3 67 3 16 BTU hW Heating 12 0 12 5 10 8 Starting Current A 7 3 Piping Connection Port Flare piping inch inch G Half Unio...

Page 6: ... Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 15 1 28 FPI 21 18 Size W H L mm 610 315 25 4 871 7 711 2 22 Refrigerant Control Device Expansion Valve Refrigeration Oil c c RB68A 360 Refrigerant R410A kg oz 1 06 37 4 Thermostat Electronic Control ...

Page 7: ... High 57 Heating High 57 Cooling High 60 Heating High 60 Electrical Data Input Power W Cooling 1 650 215 2 050 Heating 1 790 245 2 650 Running Current A Cooling 7 5 Heating 8 1 EER W W Cooling 3 21 4 19 2 93 BTU hW Cooling 11 0 14 3 10 0 COP W W Heating 3 69 3 67 3 02 BTU hW Heating 12 6 12 5 10 3 Starting Current A 8 3 Piping Connection Port Flare piping inch inch G Half Union 1 2 L Half Union 1 ...

Page 8: ...Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 15 2 34 FPI 21 16 Size W H L mm 810 315 25 4 849 3 878 714 36 4 Refrigerant Control Device Expansion Valve Refrigeration Oil c c RB68A 360 Refrigerant R410A kg oz 1 18 41 7 Thermostat Electronic Contr...

Page 9: ...vel dB Cooling High 58 Heating High 58 Cooling High 61 Heating High 62 Electrical Data Input Power W Cooling 2 210 215 2 540 Heating 2 100 245 2 750 Running Current A Cooling 9 9 Heating 9 3 EER W W Cooling 2 85 4 19 2 80 BTU hW Cooling 9 7 14 3 9 5 COP W W Heating 3 43 3 67 3 09 BTU hW Heating 11 7 12 5 10 5 Starting Current A 9 7 Piping Connection Port Flare piping inch inch G Half Union 1 2 L H...

Page 10: ...Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 15 2 34 FPI 21 18 Size W H L mm 810 315 25 4 839 5 868 714 36 4 Refrigerant Control Device Expansion Valve Refrigeration Oil c c RB68A 360 Refrigerant R410A kg oz 1 29 45 5 Thermostat Electronic Contr...

Page 11: ...rflow Supersonic Air Purifying System with Super Alleru Buster Inactive various harmful airbone elements including allergens viruses and bacteria Generated supersonic waves enhance the ability to collect dust and dirt in the air Serviceability Improvement Removable washable Front Panel Breakdown Self Diagnosis function Environmental Protection Non ozone depletion substances refrigerant R410A Opera...

Page 12: ...12 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 CS E15EKEA 4 1 2 CS E18EKEA CS E21EKEA ...

Page 13: ...13 4 2 Outdoor Unit 4 3 Remote Control ...

Page 14: ...14 5 Dimensions 5 1 Indoor Unit Remote Control 5 1 1 CS E15EKEA ...

Page 15: ...15 5 1 2 CS E18EKEA CS E21EKEA ...

Page 16: ...16 5 2 Outdoor Unit ...

Page 17: ...on 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 E15EKEA 1 2 1 4 7 5 7 5 5 15 20 E18EKEA E21EKEA 1 2 1 4 5 10 15 20 20 ...

Page 18: ...18 7 Block Diagram ...

Page 19: ...19 8 Wiring Connection Diagram 8 1 Indoor Unit ...

Page 20: ...20 8 2 Outdoor Unit ...

Page 21: ...21 9 Printed Circuit Board 9 1 Indoor Unit 9 1 1 Main Printed Circuit Board ...

Page 22: ...22 ...

Page 23: ...23 9 1 2 Power Printed Circuit Board ...

Page 24: ...24 ...

Page 25: ...25 9 2 Outdoor Unit ...

Page 26: ...26 ...

Page 27: ... height for indoor unit shall be at least 2 5 m OUTDOOR UNIT If an awning is built over the unit to prevent direct 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 ma...

Page 28: ...her method is by putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 140 mm and 155 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 10 1 3 2 TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF PIPING 1 Insert the piping ...

Page 29: ...29 3 For the embedded piping This can be used for left rear piping left bottom piping also ...

Page 30: ...hloroprene 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 terminal 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 ...

Page 31: ...nd sufficiently tighten the 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 torq...

Page 32: ...service port caps of the 3 way valve at torque of 18 N 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 10 1 4 4 CONNECT THE CABLE TO THE OUTDOOR UNIT FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT 1 Remo...

Page 33: ... indoor unit shall be at least 2 5 m OUTDOOR UNIT If an awning is built over the unit to prevent direct 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 s...

Page 34: ...ethod 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 10 2 3 2 TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF PIPING 1 Insert the piping sleev...

Page 35: ...35 3 For the embedded piping This can be used for left rear piping left bottom piping also ...

Page 36: ...hloroprene 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 terminal 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 ...

Page 37: ...ufficiently tighten the 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 w...

Page 38: ...service port caps of the 3 way valve at torque of 18 N 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 10 2 4 4 CONNECT THE CABLE TO THE OUTDOOR UNIT FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT 1 Remo...

Page 39: ...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 11 2 Airflow Direction 1 There are two types of airflow vertical airflow directed by horizontal van...

Page 40: ... 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 2 Manual horizontal airflow direction can be set using remote control the angles of the vane are as stated below and the positions of the vane are as Figure 2 above 11 3 Quiet operation Cool...

Page 41: ... Quiet operation under Soft Dry operation Dry area at Soft Dry Mode Automatic Fan Speed Soft dry operation Manual Fan Speed Soft dry operation 11 3 2 Quiet operation Heating A Purpose To provide quiet heating operation compare to normal operation B Control condition a Quiet operation start condition When quiet button at remote control is pressed Quiet LED illuminates b Quiet operation stop conditi...

Page 42: ...ting temperature will shift to achieve the setting temperature quickly a Cooling Operation b Soft Dry Operation c Heating Operation 11 5 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 Seventy minutes before the set time indoor at fan speed o...

Page 43: ...ote control is pressed Fan ionizer on ION LED illuminates but power LED maintain off 1 2 However fan speed can be adjusted later by customer during this operation Airflow direction Horizontal Vane control Follow vane direction control at cooling mode Horizontal vane can be changed by customer during ion only operation b Operation Mode Ionizer Operation 1 Ionising Operation Start Condition When air...

Page 44: ...d immediately for three minutes 4 The first 30 minutes of cooling operation A will be applied 12 1 4 IPM Power transistor Prevention Control A Overheating Prevention Control 1 When the IPM temperature rises to 110 C compressor operation will stop immediately 2 Compressor operation restarts after three minutes the temperature decreases to 95 C B DC Peak Current Control 1 When electric current to IP...

Page 45: ... shown in the diagram below 12 2 2 Cooling Overload Control i Pipe temperature limitation restriction Detects the Outdoor pipe temperature and carry out below restriction limitation Limit the compressor Operation frequency The compressor stop if outdoor pipe temperature exceeds 63 C If the compressor stops 4 times in 20 minutes Timer LED blinking F95 outdoor high pressure rise protection ii Electr...

Page 46: ... normal operation 4 If indoor heat exchanger temperature is higher than 10 C for five minutes the fan speed will return to its normal operation 12 3 Protection Control For Heating Operation 12 3 1 Intake Air Temperature Control Compressor will operate at rated freq or less respectively if either one of the below conditions occur 1 When the indoor intake air temperature is above 10 C and remote con...

Page 47: ...47 12 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures ...

Page 48: ...e reversed between ON and OFF Long beep sound indicates that remote controller receiving sound is OFF Short beep sound indicates that remote controller receiving sound is ON 4 a When the switch is pressed between 0 to 5 seconds Auto Mode operation starts to function b When the switch is pressed between 5 to 8 seconds the unit is forced to operate in Cooling Mode c When the switch is pressed betwee...

Page 49: ...g there is an abnormality operation occurs If Ionizer LED is blinking there is an abnormality of Ionizer occurs LED POWER TIMER QUIET POWERFUL ION ALLERGEN BUSTER Color Green Orange Orange Orange Green Blue Light ON Operation ON Timer Setting ON Quiet Mode ON Powerful Mode ON Ion Mode ON Operation ON Light OFF Operation OFF Timer Setting OFF Quiet Mode OFF Powerful Mode OFF Ion Mode OFF Operation ...

Page 50: ... 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 51: ...es after an operation is started 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 refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression ...

Page 52: ...button on the main unit is pressed To display memorized error Protective operation status 1 Turn power on 2 Press the CHECK button on the remote controller continuously 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 TEMP or button on the remote controller The code H00 no abnorm...

Page 53: ...onnected H26 Ion abnormality Indoor PCB Ionizer 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 H30 Discharge temperature sensor abnormality Continue for 5 sec Discharge temperatur...

Page 54: ...tion 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 Wait at least two minutes after power has been turned off ...

Page 55: ...55 ...

Page 56: ...56 15 2 Indoor Cross Flow Fan and Fan Motor ...

Page 57: ...57 ...

Page 58: ...ctronic Controller Removal Procedure 1 Remove the top panel and front panel Fig 10 2 Remove the Outdoor Electronic Controller Fig 11 Fig 12 Caution When handling electronic controller be careful of electrostatic discharge ...

Page 59: ... Characteristics 16 1 1 CS E15EKEA CU E15EKEA 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 ...

Page 60: ...60 ...

Page 61: ...61 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 ...

Page 62: ...62 ...

Page 63: ...63 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 ...

Page 64: ...64 ...

Page 65: ...65 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 ...

Page 66: ...66 ...

Page 67: ...CS E18EKEA CU E18EKEA 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 ...

Page 68: ...68 ...

Page 69: ...69 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 ...

Page 70: ...70 ...

Page 71: ...71 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 ...

Page 72: ...72 ...

Page 73: ...73 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 ...

Page 74: ...74 ...

Page 75: ...CS E21EKEA CU E21EKEA 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 ...

Page 76: ...76 ...

Page 77: ...77 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 ...

Page 78: ...78 ...

Page 79: ...79 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 ...

Page 80: ...80 ...

Page 81: ...81 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 ...

Page 82: ...82 ...

Page 83: ...C SHC IP TC SHC IP TC SHC IP 17 0 C 5 26 3 99 1 51 4 91 3 82 1 63 4 57 3 67 1 74 4 16 3 49 1 88 19 0 C 5 30 1 65 19 5 C 5 77 4 17 1 54 5 40 4 01 1 66 5 02 3 86 1 77 4 56 3 67 1 91 22 0 C 6 29 4 33 1 57 5 88 4 16 1 69 5 47 4 01 1 80 4 97 3 83 1 95 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 6 25 4 74 2 02 5 84 4 54 2 18 5 43 4 37 2 33 4 94 4 15 2 5...

Page 84: ...7 Exploded View and Replacement Parts List 17 1 CS E15EKEA 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 85: ...LECTRONIC CONTROLLER MAIN 1 CWA73C2016 O 23 LEAD WIRE AIR SWING MOTOR 1 CWA67C3977 O 24 SENSOR COMPLETE 1 CWA50C2321 O 25 CONTROL BOARD FRONT COVER 1 CWH13C1120 26 INDICATOR COMPLETE 1 CWE39C1126 O 27 INDICATOR HOLDER 1 CWD932429 28 INDICATOR HOLDER 1 CWD932430 29 CONTROL BOARD TOP COVER 1 CWH131207 30 REMOTE CONTROL COMPLETE 1 CWA75C2807 O 31 FRONT GRILLE COMPLETE 1 CWE11C3138 O 32 INTAKE GRILLE ...

Page 86: ...86 17 2 CS E18EKEA CS E21EKEA 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 87: ... CWA28C2120J O 22 POWER SUPPLY CORD 1 CWA20C2493 O 23 ELECTRONIC CONTROLLER MAIN 1 CWA73C2017 CWA73C2018 O 24 INDICATOR COMPLETE 1 CWE39C1116 O 25 INDICATOR HOLDER 1 CWD932435 26 INDICATOR HOLDER 1 CWD932436 27 SENSOR COMPLETE 1 CWA50C2322 O 28 CONTROL BOARD TOP COVER 1 CWH131209 29 CONTROL BOARD FRONT COVER 1 CWH131210 30 REMOTE CONTROL COMPLETE 1 CWA75C2807 O 31 FRONT GRILLE COMPLETE 1 CWE11C316...

Page 88: ...88 17 3 CU E15EKEA CU E18EKEA CU E21EKEA 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 89: ... HOLDER SENSOR 1 CWH321010 27 V COIL COMPLETE 4 WAYS VALVE 1 CWA43C2168J 28 V COIL COMPLETE EXPAND VALVE 1 CWA43C2141J 29 SENSOR COMPLETE COMP DISC 1 CWA50C2180 30 SENSOR COMPLETE 1 CWA50C2181 31 REACTOR 1 CWA421069 32 CONTROL BOARD CASING SIDE 1 CWH102273 33 TERMINAL BOARD ASSY 1 CWA28K1021J 34 FUSE HOLDERS 1 K3GB1BH00005 35 FUSE 1 XBA2C31TR0 36 CONTROL BOARD CASING TOP 1 CWH102204 37 CONTROL BOA...

Page 90: ...aysia SFYW0605 01 56 DRAIN HOSE 1 CWH5850080 57 PACKING 1 CWB81012 58 SOUND PROOF MATERIAL 1 CWG302290 CWG302270 59 SOUND PROOF MATERIAL 1 CWG302301 CWG302300 60 TUBE ASS Y CAP TUBE 1 CWT022997 61 HEATER COMPLETE 1 CWA34C1005 62 OVER HEAT PROTECTOR COMPLETE 1 CWA14C1011 REF NO DESCRIPTION NAME QTY CU E15EKEA CU E18EKEA CU E21EKEA REMARKS ...

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