background image

 1 

Safety Precautions 

3

 2 

Specification 

5

 2.1. 

CS-E18EKK CU-E18EKK 

5

 2.2. 

CS-E21EKK CU-E21EKK 

7

 3 

Location of controls and components 

9

 3.1. 

Indoor Unit 

9

 3.2. 

Outdoor Unit 

9

 3.3. 

Remote Control 

9

 4 

Dimension 

10

 4.1. 

Indoor Unit & Remote Control 

10

 4.2. 

Outdoor Unit 

11

 5 

Refrigeration Cycle Diagram 

12

 6 

Block Diagram 

13

 7 

Wiring Diagram 

14

 7.1. 

CS-E18EKK CS-E21EKK 

14

 7.2. 

CU-E18EKK CU-E21EKK 

15

© 2005 Panasonic HA Air-Conditioning (M) Sdn Bhd
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.

CS-E18EKK CU-E18EKK
CS-E21EKK CU-E21EKK

 8 

Printed Circuit Board 

16

 8.1. 

Indoor Unit 

16

 8.2. 

Outdoor Unit 

17

 9 

Installation Instructions 

18

 9.1. 

Select The Best Location 

18

 9.2. 

Indoor Unit 

19

 9.3. 

Outdoor Unit 

23

 10 Operation And Control 

26

 10.1. Basic Function 

26

 10.2. Protection Control 

31

 11 Servicing Mode 

33

 11.1. Auto Switch Operation 

33

 11.2. Indicator Panel 

33

 12 Troubleshooting Guide 

34

 12.1. Refrigeration Cycle System 

34

Air Conditioner

CONTENTS

 Page 

Page

Order No: MAC0512116C1

Summary of Contents for CS-E18EKK

Page 1: ...c HA Air Conditioning M Sdn Bhd 11969 T All rights reserved Unauthorized copying and distribution is a violation of law CS E18EKK CU E18EKK CS E21EKK CU E21EKK 8 Printed Circuit Board 16 8 1 Indoor Unit 16 8 2 Outdoor Unit 17 9 Installation Instructions 18 9 1 Select The Best Location 18 9 2 Indoor Unit 19 9 3 Outdoor Unit 23 10 Operation And Control 26 10 1 Basic Function 26 10 2 Protection Contr...

Page 2: ...nic Controller and Control Board 38 13 2 Indoor Cross Flow Fan and Fan Motor 41 13 3 Outdoor Propeller Fan and Fan Motor 42 14 Technical Data 44 14 1 CS E18EKK CU E18EKK 44 14 2 CS E21EKK CU E21EKK 52 14 3 Sensible Capacity Chart 60 15 Exploded View And Replacement Parts List 61 15 1 CS E18EKK CS E21EKK 61 15 2 CS E18EKK CS E21EKK 62 15 3 CU E18EKK CU E21EKK 63 15 4 CU E18EKK CU E21EKK 64 2 CS E18...

Page 3: ...se 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 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 ...

Page 4: ...onnection to the air 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 to the receptacle us...

Page 5: ...9 560 Heating 40 0 1 410 SHi m3 min cfm dB A Cooling High 45 Low 39 Cooling 47 47 Heating High 46 Low 39 Heating 47 47 Noise Level Power level dB Cooling High 58 58 Cooling High 60 60 Heating High 59 59 Heating High 60 60 Electrical Data Input W Cooling 1 60k 250 1 8k Heating 1 85k 250 2 50k Running Current A Cooling 7 9 Heating 9 2 EER W W kcal hw Cooling 3 25 11 06 COP W W kcal hw Heating 3 41 1...

Page 6: ...80 Me Cool Heat rpm 1 325 1 470 Hi Cool Heat rpm 1 460 1 660 660 640 SHi Cool Heat rpm Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Blue Coat 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 610 315 25 4 36 4 714 839 5 868 Refrigerant Control Device Capillary Tu...

Page 7: ...min cfm dB A Cooling High 46 Low 39 Cooling 48 48 Heating High 47 Low 39 Heating 49 49 Noise Level Power level dB Cooling High 59 Cooling High 61 Heating High 60 Heating High 62 Electrical Data Input W Cooling 2 15k 250 2 45k Heating 2 15k 250 2 60k Running Current A Cooling 10 7 9 7 Heating 10 7 9 7 EER W W kcal hw Cooling 2 84 9 67 COP W W kcal hw Heating 3 21 10 88 Starting Current A 10 7 Pipin...

Page 8: ...90 Hi Cool Heat rpm 1 540 1 690 700 680 SHi Cool Heat rpm Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Blue Coat 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 610 315 25 4 36 4 714 839 5 868 Refrigerant Control Device Capillary Tube Refrigeration Oil cm3 RB68...

Page 9: ...3 Location of controls and components 3 1 Indoor Unit 3 2 Outdoor Unit 3 3 Remote Control 9 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 10: ...4 Dimension 4 1 Indoor Unit Remote Control 10 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 11: ...4 2 Outdoor Unit 11 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 12: ...5 Refrigeration Cycle Diagram 12 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 13: ...6 Block Diagram 13 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 14: ...7 Wiring Diagram 7 1 CS E18EKK CS E21EKK 14 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 15: ...7 2 CU E18EKK CU E21EKK 15 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 16: ...8 1 Indoor Unit 8 Printed Circuit Board 16 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 17: ...8 2 Outdoor Unit 17 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 18: ...at 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 should be added as shown in the ta...

Page 19: ...he thread and using a level gauge 2 Drill the piping plate hole with ø70 mm hole core drill Line according to the arrows marked on the lower left and right side of the installation plate The meeting point of the extended line is the centre of the hole Another method is to put measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 150 m...

Page 20: ...3 For the embedded piping This can be used for left rear piping left bottom piping also 20 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 21: ...WG16 wire Ensure the color of wires of outdoor unit and the terminal numbers 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 the slipping out of the cord slips out from the anchorage Secure the cable onto the control board with the holder clamper 4 After completing wiring connections reatta...

Page 22: ...r 9 2 5 INSTALLATION OF SUPER ALLERU BUSTER FILTER 9 2 6 HOW TO TAKE OUT FRONT GRILLE Please follow the steps below to take out front grille if necessary such as when servicing 1 Set the vertical airflow direction louvers to the horizontal position 2 Slide down the 3 caps on the front grille as shown in the illustration below and then remove the 3 mounting screws 3 Pull the lower section of the fr...

Page 23: ... the copper pipes MODEL Piping size Torque Gas Liquid E18EK E21EK 1 2 55 N m 1 4 18 N m 9 3 Outdoor Unit 9 3 2 CONNECTING THE PIPING Connecting The Piping To Indoor Unit Please make flare after inserting flare nut locate at joint portion of tube assembly onto the copper pipe In case of using long piping Connect the piping Align the center of piping and sufficiently tighten the flare nut with finge...

Page 24: ...mately five minutes Note BE SURE TO FOLLOW THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a 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 ...

Page 25: ...a drain elbow as the drain water freezes and the fan will not rotate 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 styrofoam Ensure that water flows out from drain hose of the indoor unit Operate the unit at cooling operation mode for fifteen minutes or more Measure the temperature of the int...

Page 26: ...e 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 10 1 2 Airflow Direction 1 There are two types of airflow vertical airflow directed by horizontal vane and horizontal airflo...

Page 27: ...n 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 Mode Vane Angle Heating with heat exchanger temperature A 68 112 B 90 Cooling Soft Dry 68 112 2 Manual horizontal airflow direction can be set using remote control the angles of t...

Page 28: ...ff 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 speed This is to reduce sound of Hi Me Lo for 3dB 2 Fan speed for quiet operation is 1 step from setting fan speed 10 1 3 1 Quiet operation under Soft Dry operation Dry area at Soft Dry Mode Automatic Fan Speed Dry operation Manual Fan Speed Soft dry ope...

Page 29: ... when on back quiet operation is not memorised C Control contents a Fan Speed manual 1 Fan speed is changed from normal setting to quiet setting of respective fan speed This is to reduce sound of Hi Me Lo for 3dB 2 Fan speed for quiet operation is 100 rpm from setting fan speed 3 Fan Speed Auto If FM Lo 100 rpm reduce from normal Heating Auto Fan Speed If FM Lo maintain RPM Indoor FM RPM depends o...

Page 30: ...ng time From the above judgment the decided operation will start operate earlier than the set time as shown below 10 1 6 OFF Timer Control OFF timer can be set using remote control the unit with timer set will stop operate at set time 10 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 th...

Page 31: ... a rated value compressor will be stopped immediately When the excess occurs within 30 seconds after operation it restarts in 1 minute and when after 30 seconds restarts in 2 minutes If the excess continuously occurs 7 times within 30 minutes after compressor starts the unit will be stopped and timer LED on the indoor unit will be blinking F99 is to be confirmed IPM Overheating Prevention Control ...

Page 32: ...s 4 times per 30 minutes timer LED is to be blinking F11 is to be confirmed 10 2 9 Freeze Prevention Control Cooling and Dry operations Limit of Cooling power 1 When temperature of indoor heat exchanger is below 5 C operating frequency will be decreased 2 When temperature of indoor heat exchanger exceeds 7 C operating frequency will be increased But up to programmed frequency 3 When temperature of...

Page 33: ...OFF The ON OFF of Remote controller receiving sound can be change over by following steps a Press AUTO Switch continuously for more than 16 sec to below 21 sec A beep beep beep beep sound will occur at the sixteenth sec b Press the A C Reset button once Remote controller signal will activate the Remote controller sound setting mode c Press the Check button once at Remote controller A beep sound wi...

Page 34: ...cle 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 to the right 12 Troubleshooting Guide 34 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 35: ... 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 Carry on the measurements of pressure electric current and temperature fifteen minutes after an operation is started 35 CS E18EKK CU E18EKK CS E21EKK CU ...

Page 36: ... 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 abnormality will be displayed and signal will be transmitted to the main unit The power LED lights up If no abnormality is ...

Page 37: ...2 times occurance within 30 minutes Indoor PCB Fan motor H98 Indoor high pressure protection Air filter dirty Air circulation short circuit H99 Indoor heat exchanger anti freezing protection Insufficient refrigerant Air filter dirty F11 Cooling Heating cycle changeover abnormality 4 times occurance within 30 minutes 4 way valve V coil F90 PFC control 4 times occurance within 10 minutes Voltage at ...

Page 38: ...rge 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 13 1 Indoor Electronic Controller and Control Board 38 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 39: ...39 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 40: ...40 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 41: ...13 2 Indoor Cross Flow Fan and Fan Motor 41 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 42: ...13 3 Outdoor Propeller Fan and Fan Motor 42 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 43: ...43 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 44: ...EKK 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 208 230 V 44 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 45: ...45 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 46: ...ristic at Different Outdoor Air Temperature Condition Indoor room temperature 20 C Remote control setting HI fan HEAT 30 C Compressor frequency rated heating Voltage 208 230 V 46 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 47: ...47 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 48: ...cteristic at Different Piping Length Condition Indoor room temperature 27 19 C Remote control setting HI fan COOL 16 C Compressor frequency rated cooling Voltage 208 230 V 48 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 49: ...49 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 50: ...racteristic at Different Piping Length Condition Indoor room temperature 20 C Remote control setting HI fan HEAT 30 C Compressor frequency rated heating Voltage 208 230 V 50 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 51: ...51 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 52: ...ng 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 208 230 V 52 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 53: ...53 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 54: ...ristic at Different Outdoor Air Temperature Condition Indoor room temperature 20 C Remote control setting HI fan HEAT 30 C Compressor frequency rated heating Voltage 208 230 V 54 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 55: ...55 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 56: ...cteristic at Different Piping Length Condition Indoor room temperature 27 19 C Remote control setting HI fan COOL 16 C Compressor frequency rated cooling Voltage 208 230 V 56 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 57: ...57 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 58: ...racteristic at Different Piping Length Condition Indoor room temperature 20 C Remote control setting HI fan HEAT 30 C Compressor frequency rated heating Voltage 208 230 V 58 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 59: ...59 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 60: ...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 CS E21EKK CU E21EKK 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 3 47 2 63 0 84 3 24 2 52 0 91 3 02 2 43 0 97 2 74 2 30 1 05 19 0 C 3 50 0 92 19 5 C 3 81 2 76 0 86 3 56 2 65 0 92 3 31 2 55 0 99 3 01 2 43 1 07 22 0 C 4 15 2 86 0 87 3 88 2 75 ...

Page 61: ...ment Parts List 15 1 CS E18EKK CS E21EKK 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 E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 62: ...ING 1 CWH102250B 21 TERMINAL BOARD COMPLETE 1 CWA28C2082J O 22 ELECTRONIC CONTROLLER MAIN 1 CWA73C1878 CWA73C1879 O 23 INDICATOR COMPLETE 1 CWE39C1143 24 INDICATOR HOLDER 1 CWD932435 25 INDICATOR HOLDER 1 CWD932436 26 SENSOR COMPLETE 1 CWA50C2135 O 27 CONTROL BOARD TOP COVER 1 CWH131209 28 CONTROL BOARD FRONT COVER 1 CWH131210 29 CONTROL BOARD COVER COMPLETE 1 CWH13C1069 30 REMOTE CONTROL COMPLETE...

Page 63: ...U E18EKK CU E21EKK 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 63 CS E18EKK CU E18EKK CS E21EKK CU E21EKK ...

Page 64: ...J 28 SENSOR COMPLETE COM TOP 1 CWA50C2343 O 29 HOLDER SENSOR 3 CWH321010 30 V COIL COMPLETE 4 WAYS VALVE 1 CWA43C2232 O 31 V COIL COMPLETE EXPAND VALVE 1 CWA43C2141J O 32 SENSOR COMPLETE COMP DISC 1 CWA50C2345 33 SENSOR COMPLETE 1 CWA50C2347 O 34 REACTOR 1 CWA421069 O 35 CONTROL BOARD SIDE 1 CWH102273A 36 TERMINAL BOARD ASS Y 1 CWA28K1154 O 37 FUSE HOLDER 1 K3GB1PH00016 38 FUSE CAP TERMINAL TYPE 1...

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