Panasonic CS-RE18GKE Service Manual Download Page 1

© 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.

Order No. MAC0701002C2

Air Conditioner

CS-RE18GKE  CU-RE18GKE

CS-RE24GKE  CU-RE24GKE

TABLE OF CONTENTS

PAGE

PAGE

1 Safety Precautions

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3

2 Specifications

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5

2.1. CS-RE18GKE  CU-RE18GKE ------------------------- 5
2.2. CS-RE24GKE  CU-RE24GKE ------------------------- 7

3 Features

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9

4 Location of Controls and Components

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10

4.1. Indoor Unit--------------------------------------------------10
4.2. Outdoor Unit -----------------------------------------------10
4.3. Remote Control -------------------------------------------10

5 Dimensions

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11

5.1. Indoor Unit & Remote Control ------------------------- 11
5.2. Outdoor Unit -----------------------------------------------12

6 Refrigeration Cycle Diagram

--------------------------------

14

7 Block Diagram

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15

7.1. CS-RE18GKE  CU-RE18GKE ------------------------15
7.2. CS-RE24GKE  CU-RE24GKE ------------------------16

8 Wiring Connection Diagram

---------------------------------

17

8.1. CS-RE18GKE  CU-RE18GKE ------------------------ 17
8.2. CS-RE24GKE  CU-RE24GKE ------------------------ 18

9 Electronic Circuit Diagram

-----------------------------------

19

9.1. CS-RE18GKE  CU-RE18GKE ------------------------ 19
9.2. CS-RE24GKA  CU-RE24GKA ------------------------ 21

10 Printed Circuit Board

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23

10.1. Indoor Unit ------------------------------------------------- 23
10.2. Indicator ---------------------------------------------------- 23
10.3. Outdoor Unit----------------------------------------------- 24

11 Installation Instruction

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25

11.1. Select The Best Location ------------------------------ 25
11.2. Indoor/Outdoor Unit Installation Diagram ---------- 25
11.3. Indoor Unit ------------------------------------------------- 26
11.4. Outdoor Unit----------------------------------------------- 29

12 Operation And Function

--------------------------------------

32

12.1. Basic Function -------------------------------------------- 32
12.2. Airflow Direction ------------------------------------------ 32

Summary of Contents for CS-RE18GKE

Page 1: ...ons 11 5 1 Indoor Unit Remote Control 11 5 2 Outdoor Unit 12 6 Refrigeration Cycle Diagram 14 7 Block Diagram 15 7 1 CS RE18GKE CU RE18GKE 15 7 2 CS RE24GKE CU RE24GKE 16 8 Wiring Connection Diagram 17 8 1 CS RE18GKE CU RE18GKE 17 8 2 CS RE24GKE CU RE24GKE 18 9 Electronic Circuit Diagram 19 9 1 CS RE18GKE CU RE18GKE 19 9 2 CS RE24GKA CU RE24GKA 21 10 Printed Circuit Board 23 10 1 Indoor Unit 23 10...

Page 2: ...ationship Between The Condition Of The Air Conditioner And Pressure And Electric Current 43 15 3 Breakdown Self Diagnosis Function 44 15 4 Error Codes Table 45 16 Disassembly and Assembly Instructions 46 16 1 Indoor Electronic Controllers Cross Flow Fan And Indoor Fan Motor Removal Procedures 46 16 2 Indoor Fan Motor And Cross Flow Fan Removal Procedures 50 16 3 Outdoor Electronic Controller Remov...

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: ... 0 1410 Refrigeration Control Device Expansion Valve Refrigeration Oil Charged cm3 RB68A or FREOL ALPHA68M 400 Refrigerant Charged R410A kg oz 1 18 41 7 Dimension Height mm inch 275 10 13 16 750 29 17 32 Width mm inch 998 39 9 32 875 34 7 16 Depth mm inch 230 9 1 16 345 13 19 32 Net Weight kg lbs 10 22 48 106 Pipe Diameter Gas mm inch 12 7 1 2 Liquid mm inch 6 35 1 4 Height Difference m ft 15 0 49...

Page 6: ...inium Blue coat Fin Type Slit Fin Corrugated Fin Row x Stage x FPI 1 x 15 x 19 2 x 34 x 16 Size W x H x L mm 810 x 315 x 25 4 36 4 x 714 x 803 2 831 9 Air Filter Type Material P P Honey Comb Style One Touch Item Unit Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Power Cooling W 1 65k 215 2 05k Heating W 1 79k 245 2 65k Annual consumption W 825 Starting Current A 8 3 Running Current C...

Page 7: ...t Charged R410A kg oz 1 65 58 2 Dimension Height mm inch 275 10 13 16 795 31 5 16 Width mm inch 998 39 9 32 900 35 7 16 Depth mm inch 230 9 1 16 320 12 19 32 Net Weight kg lbs 11 24 67 148 Pipe Diameter Gas mm inch 15 88 5 8 Liquid mm inch 6 35 1 4 Height Difference m ft 20 0 65 6 Pipe Length Range m ft 3 9 8 30 98 4 Additional Gas Amount g m oz ft 30 0 3 Refrigeration Charge Less m ft 10 0 32 8 D...

Page 8: ...to change without notice for further improvement Air Filter Type Material P P Honey Comb Style One Touch Item Unit Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Power Cooling W 2 12k 350 2 70k Heating W 2 66 360 3 20k Annual consumption W 1060 Starting Current A 12 5 Running Current Cooling A 9 7 Heating A 12 1 Power Factor Cooling 95 Heating 96 Power factor means total figure of com...

Page 9: ... Operation Automatic air swing and manual adjusted by Remote Control for horizontal and vertical airflow Serviceability Improvement Removable washable Front Panel Breakdown Self Diagnosis function Environmental Protection Non ozone depletion substances refrigerant R410A Operation Improvement Auto restart control ...

Page 10: ...10 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...

Page 11: ...11 5 Dimensions 5 1 Indoor Unit Remote Control ...

Page 12: ...12 5 2 Outdoor Unit 5 2 1 CU RE18GKE ...

Page 13: ...13 5 2 2 CU RE24GKE ...

Page 14: ...14 6 Refrigeration Cycle Diagram ...

Page 15: ...15 7 Block Diagram 7 1 CS RE18GKE CU RE18GKE ...

Page 16: ...16 7 2 CS RE24GKE CU RE24GKE ...

Page 17: ...17 8 Wiring Connection Diagram 8 1 CS RE18GKE CU RE18GKE ...

Page 18: ...18 8 2 CS RE24GKE CU RE24GKE ...

Page 19: ...19 9 Electronic Circuit Diagram 9 1 CS RE18GKE CU RE18GKE 9 1 1 Indoor Unit ...

Page 20: ...20 9 1 2 Outdoor Unit ...

Page 21: ...21 9 2 CS RE24GKA CU RE24GKA 9 2 1 Indoor Unit ...

Page 22: ...22 9 2 2 Outdoor Unit ...

Page 23: ...23 10 Printed Circuit Board 10 1 Indoor Unit 10 2 Indicator ...

Page 24: ...24 10 3 Outdoor Unit ...

Page 25: ...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 short circuit of the di...

Page 26: ...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 sleeve...

Page 27: ...27 3 For the embedded piping This can be used for left rear piping left bottom piping also ...

Page 28: ...oroprene sheathed 4 x 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 29: ...hen 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 specified torque as stated in the table Local pipes can project in any of four directions Make holes in the pipe panels for the pipes to pass through Be sure to install the pipe panels to pr...

Page 30: ...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 REFER TO WIRI...

Page 31: ...Disconnecting means 5 Select required direction and apply protective bushing provided in accessories to protect cables from sharp edges 6 Once all wiring work has been completed tie the wires and cord together with the binding strap so that they do not touch other parts such as the compressor and pipes Note Knife switch Disconnecting means should have minimum 3 5 mm contact gap Secure the cable on...

Page 32: ...s 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 2 Airflow Direction 1 There are two types of airflow vertical airflow directed by horizontal v...

Page 33: ...gle 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 12 3 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 provi...

Page 34: ...t 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 This type of control is not applicable during ON OFF Timer setting ...

Page 35: ...opped immediately for three minutes 4 The first 30 minutes of cooling operation A will be applied 13 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 t...

Page 36: ... shown in the diagram below 13 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 37: ... 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 13 3 Protection Control For Heating Operation 13 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 38: ...38 13 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures ...

Page 39: ...controller A C Reset button once Remote controller signal will activate operation to force heating mode 4 REMOTE CONTROLLER RECEIVING SOUND ON OFF The ON OFF of Remote controller receiving sound can be change over by the following steps a Press AUTO Switch continuously for more than 16 sec to below 21 sec A pep pep pep pep sound will occur at the sixteenth sec b Press the A C Reset button once Rem...

Page 40: ...ll be 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 be...

Page 41: ...41 ...

Page 42: ... 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 43: ...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 44: ... 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 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 LED lights up If no...

Page 45: ...27 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 temperature sensor H33 Indoor Outdoor wrong connection Indo...

Page 46: ...s Flow Fan And Indoor Fan Motor Removal Procedures Fig 1 Fig 2 High voltages are generated in the electrical parts area by the capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks ...

Page 47: ...47 Fig 3 RE18GK Fig 4 RE24GK ...

Page 48: ...48 Fig 5 RE18GK Fig 6 RE24GK ...

Page 49: ...49 Fig 7 RE24GK Fig 8 Fig 9 ...

Page 50: ...50 16 2 Indoor Fan Motor And Cross Flow Fan Removal Procedures Fig 10 Fig 11 Fig 12 ...

Page 51: ...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 electronic controller be careful of electrostatic discharge ...

Page 52: ...52 17 Technical Data 17 1 Operation Characteristics 17 1 1 CS RE18GKE CU RE18GKE ...

Page 53: ...53 ...

Page 54: ...54 ...

Page 55: ...55 ...

Page 56: ...CS RE24GKE CU RE24GKE 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 57: ...57 ...

Page 58: ...58 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 59: ...59 ...

Page 60: ...60 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 61: ...61 ...

Page 62: ...62 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 63: ...63 ...

Page 64: ...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 75 5 11 1 94 6 30 4 90 2 09 5 86 4 71 2 23 5 33 4 48 2 41 19 0 C 6 80 2 12 19 5 C 7 41 5 35 1 98 6 92 5 14 2 13 6 44 4 95 2 28 5 85 4 71 2 45 22 0 C 8 07 5 55 2 01 7 54 5 34 2 17 7 02 5 15 2 32 6 38 4 91 2 50 TC SHC IP...

Page 65: ...8 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 66: ...8 HORIZONTAL VANE 1 CWE241153C 19 CAP DRAIN TRAY 1 CWH521096 20 BACK COVER CHASSIS 1 CWD932162B 21 CONTROL BOARD CASING 1 CWH102250 CWH102291 22 TERMINAL BOARD COMPLETE 1 CWA28C2305 23 ELECTRONIC CONTROLLER MAIN 1 CWA73C2585 CWA73C2586 24 ELECTRONIC CONTROLLER POWER 1 CWA744650 25 INDICATOR COMPLETE 1 CWE39C1173 26 INDICATOR HOLDER 1 CWD932435 27 INDICATOR HOLDER 1 CWD932436 28 SENSOR COMPLETE 1 C...

Page 67: ...67 18 2 CU RE18GKE 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 68: ... V COIL COMPLETE FOR EXP VALVE 1 CWA43C2058J 26 SENSOR COMPLETE COMP DISCHARGE 1 CWA50C2180 27 SENSOR COMPLETE 1 CWA50C2181 28 REACTOR 1 CWA421069 29 CONTROL BOARD CASING SIDE 1 CWH102273 30 TERMINAL BOARD ASSY 1 CWA28K1110J 31 FUSE HOLDERS 1 K3GB1PH00016 32 FUSE CAP TERMINAL 1 K5D303BBA002 33 CONTROL BOARD CASING BOTTOM 1 CWH102282 34 ELECTRONIC CONTROLLER MAIN 1 CWA73C2581R 35 CONTROL BOARD COVE...

Page 69: ...69 18 3 CU RE24GKE ...

Page 70: ...70 ...

Page 71: ...71 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 72: ...2058J 26 SENSOR COMPLETE 1 CWA50C2381 27 SENSOR COMP DISCHARGE 1 CWA50C2214 28 CABINET REAR PLATE COMP 1 CWE02C1037 29 CONTROL BOARD ASSY 1 CWH10K1046 30 TERMINAL BOARD ASSY 1 CWA28K1107 31 TERMINAL BOARD ASSY 1 CWA28K1076J 32 CAPACITOR FM 3 5MF 440V 1 DS441355NPQA 33 ELECTRONIC CONT CAPACITOR 1 CWA743402 34 ELECTRONIC CONT NOISE FILTER 1 CWA744495 35 ELECTRONIC CONTROLLER MAIN 1 CWA73C2723R 36 RE...

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