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Panasonic CS-E15DKEW Service Manual

Other manuals for CS-E15DKEW: Service Manual, Service Manual, Service Manual

Summary of CS-E15DKEW

  • Page 1

    1 features 2 2 functions 3 2.1. Remote control 3 2.2. Indoor unit 4 2.3. Outdoor unit 5 3 product specifications 6 3.1. Cs-e15dkew cu-e15dke 6 3.2. Cs-e18dkew cu-e18dke 8 3.3. Cs-e21dkes cu-e21dke 10 4 dimensions 12 4.1. Indoor unit & remote control 12 4.2. Outdoor unit 14 © 2005 panasonic ha air-co...

  • Page 2: 1 Features

    10.3. Refrigerant piping work 64 10.4. Installation, transferring, servicing 66 11 installation instructions 70 11.1. Safety precautions 70 11.2. Indoor unit 73 11.3. Outdoor unit 77 12 installation instructions 81 12.1. Safety precautions 81 12.2. Indoor unit 84 12.3. Outdoor unit 88 13 servicing i...

  • Page 3: 2 Functions

    2 functions 2.1. Remote control operation off / on off/on i room temperature setting temp operation mode selection • a automatic operation • heat heating operation • cool cooling operation • dry soft dry operation time / timer setting • hours and minutes setting. Clock setting • current time setting...

  • Page 4

    2.2. Indoor unit automatic operation switch • press for (used when the remote control cannot be used.) • press continuously for 5s and forced cooling operation. • press continuously for 8s and run forced heating operation. • press continuously for 11s and change different remote controlling setting ...

  • Page 5

    2.3. Outdoor unit anti-dew formation control indoor power relay control anti freezing control low pressure control (gas leakeage detection) breakdown self diagnosis function anti-cold draft control high pressure control hot start intake air temperature control deodorizing control deice operation 30 ...

  • Page 6: 3 Product Specifications

    3.1. Cs-e15dkew cu-e15dke 3 product specifications unit cs-e15dkew cu-e15dke cooling capacity kw kcal/h btu/h 4.40 (0.90 - 5.00) 3,780 (770 - 4,300) 15,000 (3,070 - 17,100) heating capacity kw kcal/h btu/h 5.50 (0.90 - 7.10) 4,730 (770 - 6,110) 18,800 (3,070 - 24,200) moisture removal l/h pint/h 2.4...

  • Page 7

    Unit cs-e15dkew cu-e15dke piping connection port (flare piping) inch inch g ; half union 1/2” l ; half union 1/4” g ; 3-way valve 1/2” l ; 2-way valve 1/4” pipe size (flare piping) inch inch g (gas side) ; 1/2” l (liquid side) ; 1/4” g (gas side) ; 1/2” l (liquid side) ; 1/4” drain hose inner diamet...

  • Page 8

    3.2. Cs-e18dkew cu-e18dke unit cs-e18dkew cu-e18dke cooling capacity kw kcal/h btu/h 5.30 (0.90 - 6.00) 4,560 (770 - 5,160) 18,100 (3,070 - 20,500) heating capacity kw kcal/h btu/h 6.60 (0.90 - 8.00) 5,680 (770 - 6,880) 22,500 (3,070 - 27,300) moisture removal l/h pint/h 2.9 (6.1) power source (phas...

  • Page 9

    Unit cs-e18dkew cu-e18dke pipe size (flare piping) inch inch g (gas side) ; 1/2” l (liquid side) ; 1/4” g (gas side) ; 1/2” l (liquid side) ; 1/4” drain hose inner diameter mm 12 — length m 0.65 — power cord length number of core-wire —— — — dimensions height inch (mm) 10 - 13/16 (275) 29 - 17/32 (7...

  • Page 10

    3.3. Cs-e21dkes cu-e21dke unit cs-e21dkes cu-e21dke cooling capacity kw kcal/h btu/h 6.30 (0.90 - 7.10) 5,420 (770 - 6,110) 21,500 (3,070 - 24,200) heating capacity kw kcal/h btu/h 7.20 (0.90 - 8.50) 6,190 (770 - 7,310) 24,600 (3,070 - 29,000) moisture removal l/h pint/h 3.5 (7.4) power source (phas...

  • Page 11

    Unit cs-e21dkes cu-e21dke pipe size (flare piping) inch inch g (gas side) ; 1/2” l (liquid side) ; 1/4” g (gas side) ; 1/2” l (liquid side) ; 1/4” drain hose inner diameter mm 12 — length m 0.65 — power cord length number of core-wire —— — — dimensions height inch (mm) 10 - 13/16 (275) 29 - 17/32 (7...

  • Page 12: 4 Dimensions

    4 dimensions 4.1. Indoor unit & remote control 4.1.1. Cs-e15dkew 12 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 13

    4.1.2. Cs-e18dkew cs-e21dkes 13 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 14

    4.2. Outdoor unit 4.2.1. Cu-e15dke cu-e18dke cu-e21dke 14 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 15

    5 refrigeration cycle diagram 15 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 16: 6 Block Diagram

    6 block diagram 16 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 17: 7 Wiring Diagram

    7 wiring diagram 17 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 18: 8 Operation Details

    8.1. Basic function 8 operation details inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer maintains th...

  • Page 19

    Table (b): outdoor air temperature shifting mode: outdoor temperature, x (°c): temperature shift (°c) manual operation auto operation cooling/soft dry 38 x 1.50 2.00 30 x 38 1.25 1.25 23 x 30 1.25 1.25 x 23 1.75 1.75 heating 21 x -2.25 -1.50 17 x 21 -1.75 -1.00 13 x 17 -0.75 0.00 9 x 13 0.25 0.25 5 ...

  • Page 20

    Comphz = freq. A × freq. H + freq. C example calculation: model no.: e18dk operation mode: cooling when intake air temperature - internal setting temperature: 1.5°c comphz = freq. A × freq. H + freq. C = 1.53 × 46 + 2.5 = 72 hz (it cuts down less than a decimal point) cooling & soft dry e18dk e21dk ...

  • Page 21

    8.1.4. Soft dry operation 8.1.4.1. Thermostat control • compressor is off when intake air temperature - internal setting temperature • compressor is on after waiting for 3 minutes, if the intake air temperature - internal setting temperature > compressor off point. 8.1.5. Heating operation 8.1.5.1. ...

  • Page 22

    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 minut...

  • Page 23

    B. Indoor fan control i. Indoor fan control operation outline 1. Cooling / dry 2. Heating 23 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 24

    Ii. Auto fan speed 1. Cooling 2. Heating note: a. Up: • if move from lo, the fan speed will be shifted to maximum 1520 rpm (e21dk), 1480 rpm (e18dk). • if move from maximum, the fan speed no change. • in up zone, 10 rpm is added for every 10s until maximum 1520 rpm (e21dk), 1480 rpm (e18dk). B. Down...

  • Page 25

    Iii. Max capacity condition a) during cooling operation, if all to the following condition is fulfilled, the indoor fan speed is set to shi. 1. Indoor intake temperature 24°c. 2. Operation frequency 72 hz (e18dk), 95 hz (e21dk) & above. 3. Remote control setting temperature 16°c. 4. Remote control s...

  • Page 26

    D. Deodorizing control i. Control condition control at cooling/dry operation and auto fan speed. No deodorizing control is performed during on timer standby operation and during anti-freezing control prevention. Ii. Operation the odor status is arranged as below and it is shifted as follow. * when c...

  • Page 27

    Basic rotation speed 8.1.9. Airflow direction 1. There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes). 2. Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat exchanger t...

  • Page 28

    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 temperature as figure 1 below. When the air conditioner is stopped using remo...

  • Page 29

    8.1.10. Quiet operation (cooling mode/cooling area of dry mode) a. Purpose to provide quiet cooling 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 condit...

  • Page 30

    8.1.10.2. 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 condition 1. When one of the follo...

  • Page 31

    8.1.11. 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 8.1.12. Delay on timer control delay on timer can be set using remote control...

  • Page 32

    8.1.14. 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 (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly) after power supply resumes. 2. T...

  • Page 33

    8.1.18. Ionizer operation 8.1.17. Indoor power relay control power relay will turn on during operation or in progress of stopping operation. Although operation stops, the power relay continues on for three minutes. However, during instantaneous power failure ( and the unit will operate as previous o...

  • Page 34

    Without ionizer operation. C. Timer during ionizer operation refer to case study in next page for detail. 8.1.18.1. Ionizer problem detection control i. Purpose to inform user of ionizer problems and detection. Ii. Two types of problem detection control: control detection method protection recovery ...

  • Page 35

    8.2. Protection control features 8.2.1. Protection control for all operations 8.2.1.1. Time delay safety control 1. The compressor will not start for three minutes after stop of operation. 2. This control is not applicable if the power supply is cut off and on again or after 4-way valve deices condi...

  • Page 36

    8.2.1.4. 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 elec...

  • Page 37

    8.2.1.7. Ct disconnection detection 1. Control starting condition a. Total current is below 0.74 ~ 0.94 amp. B. Operating frequency is 72 hz (e18dk), 95 hz (e21dk) +1 and above. C. Continuously for 20s. 2. Control contents a. Abnormal signal transmitted to indoor unit after 3 minutes outdoor power i...

  • Page 38

    8.2.2. Protection control for cooling & soft dry operation 8.2.2.1. Outdoor air temperature control the compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below. 8.2.2.2. Cooling overload control i. Pipe temperature limitation/restriction...

  • Page 39

    8.2.2.3. Anti-freezing control 1. When indoor heat exchanger temperature is lower than 2°c continuously for six minutes, compressor will stop operating. 2. Compressor will resume its operation three minutes after the indoor heat exchanger is higher than 10°c. 3. At the same time, indoor fan speed in...

  • Page 40

    8.2.3. Protection control for heating operation 8.2.3.1. Anti cold draft control indoor fan speed varies in accordance to indoor heat exchanger temperature, based on type of air volume and direction, as shown below. 1. Manual fan speed 2. Auto fan speed 40 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke...

  • Page 41

    Note: a. Up: • if move from lo, the fan speed will be shifted to maximum 1520 rpm (e21dk), 1480 rpm (e18dk). • if move from maximum, the fan speed no change. • in up zone, 10 rpm is added for every 10s until maximum 1520 rpm (e21dk), 1480 rpm (e18dk). B. Down: • the fan speed will be decreased one s...

  • Page 42

    8.2.3.4. Overload protection control the compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures. 8.2.3.5. Outdoor temperature control • outdoor temperature is detected and the following control is perform. • control operates after mor...

  • Page 43

    8.2.3.6. Deice control a. Deice operation (normal deice operation) 1. Detection methods outdoor heat exchanger temperature sensor, timer. 2. Deice operation time chart notes a. During deice operation, the relationship between outdoor pipe temperature and time t1 is such operation will proceed to nex...

  • Page 44

    3. Explanation of operation 1) before the deice is started, compressor frequency is set to the specified value for t0-timer. 2) after deice is started, the 4-way valve, od fan and id fan are off. 3) after 4-way valve is off for 30 s, compressor frequency is set to the specified value. 4) before deic...

  • Page 45

    3. Deice condition: od air temp. T 0°c. Od heat exchanger temp. 0°c for 14 min. Od heat exchanger temp. -8°c for 10 min. 4. Auto clean deice time chart similar to deice operation 2 except for frequency values. A. Detection methods outdoor heat exchanger temp. Sensor, timer, indoor air temp. Sensor. ...

  • Page 46

    Outdoor heat exchanger pipe temperature a 15°c b 18°c c 25°c notes 1. During deice operation, the relationship between outdoor pipe temperature and time t1 is such proceed to next operation. 2. The deice will be performed only after 1 hour from when the operation has started. 3. When comp. Off by th...

  • Page 47: 9 Operating Instructions

    9 operating instructions 9.1. Cs-e15dkew the appliance is not intended for use by young children or infi rm person without supervision. Young children should be supervised to ensure that they do not play with the appliance. Thank you for purchasing panasonic air conditioner safety precautions ■ defin...

  • Page 48

    Quiet powerful ion timer power quiet powerful ion super alleru-buster timer power air intake airflow direction louver ionizer air filter front panel i indoor unit ndoor unit indicator supersonic air purifying device auto off/on button receiver discharged air do not touch during operation note: the i...

  • Page 49

    ■ operation details auto, heat, cool, dr y auto, heat, cool, dr y 2 2 select the desired operation. 3 3 set the temperature. (16°c~30°c) start the operation. 1 1 how to operate ● supersonic air purifying device (super alleru-buster) operates automatically while the air conditioner is switched on. ● ...

  • Page 50

    Adjust the vertical or horizontal airfl ow direction louver. 3 1 ■ operations details • to provide fresh air effect by producing negative ions. • ion operation could be activated independently. • press button to stop the operation. • to achieve setting temperature quickly. Ion powerful enables powerf...

  • Page 51

    How to operate 1 1 select on or off timer. 2 2 set the desired time. 3 3 confi rm the setting. Timer timer cancel cancel cancel the selected timer. ■ operation details • use the on timer to turn on the air conditioner at the desired time. This will give you a cooling or warming environment, e.G. When...

  • Page 52

    Care & cleaning • wipe the unit gently with a soft, dry cloth. • it is recommended to clean the air fi lters once every 2 weeks. • purchase the replacement fi lter if it is damaged. Part no.: cwd001144 indoor unit air filter • it is recommended to clean the fi lter every 6 months. • replace the fi lter ...

  • Page 53

    9.2. Cs-e18dkew cs-e21dkes the appliance is not intended for use by young children or infi rm person without supervision. Young children should be supervised to ensure that they do not play with the appliance. Thank you for purchasing panasonic air conditioner safety precautions ■ definition safety r...

  • Page 54

    Note: the illustrations in this manual are for explanation purposes only and may differ from the actual unit. It is subjected to change without notice for future improvement. Product overview outdoor outdoor unit unit air inlet (rear) air outlet troubleshooting ● operation delayed for few minutes af...

  • Page 55

    Auto cool heat dry ■ operation details auto, heat, cool, dr y auto, heat, cool, dr y 2 2 select the desired operation. 3 3 set the temperature. (16°c~30°c) start the operation. 1 1 how to operate ● supersonic air purifying device (super alleru-buster) operates automatically while the air conditioner...

  • Page 56

    3 1 adjust the vertical or horizontal airfl ow direction louver. ■ operations details • to provide fresh air effect by producing negative ions. • ion operation could be activated independently. • press button to stop the operation. • to achieve setting temperature quickly. Ion powerful enables powerf...

  • Page 57

    How to operate 1 1 select on or off timer. 2 2 set the desired time. 3 3 confi rm the setting. Timer timer cancel cancel cancel the selected timer. ■ operation details • use the on timer to turn on the air conditioner at the desired time. This will give you a cooling or warming environment, e.G. When...

  • Page 58

    Care & cleaning • wipe the unit gently with a soft, dry cloth. • it is recommended to clean the air fi lters once every 2 weeks. • purchase the replacement fi lter if it is damaged. Part no.: cwd001137 (left) cwd001138 (right) indoor unit air filter • it is recommended to clean the fi lter every 6 mont...

  • Page 59

    10 installation and servicing air conditioner using r410a 10.1. Outline 10.1.1. About r410a refrigerant 1. Converting air conditioners to r410a since it was declared in1974 that chlorofluorocarbons (cfc), hydro chlorofluorocarbons (hcfc) and other substances pose a destructive danger to the ozone la...

  • Page 60

    D. R410a refrigerating machine oil conventionally, mineral oil or a synthetic oil such as alkylbenzene has been used for r22 refrigerating machine oil. Because of the poor compatibility between r410a and conventional oils like mineral oil, however, there is a tendency for the refrigerating machine o...

  • Page 61

    10.2.2. R410a tools 1. Copper tube gauge for clearance adjustment (used when flaring with the conventional flaring tool (clutch type)) • this gauge makes it easy to set the clearance for the copper tube to 1.0-1.5 mm from the clamp bar of the flaring tool. 2. Flaring tool (clutch type) • in the r410...

  • Page 62

    5. Charging hose • the pressure resistance of the charging hose has been raised to match the higher pressure of r410a. The hose material has also been changed to suit hfc use, and the size of the fitting has been changed to match the manifold ports. 6. Vacuum pump adaptor • when using a vacuum pump ...

  • Page 63

    8. Electronic scale for refrigerant charging • because of the high pressure and fast vaporizing speed of r410a, the refrigerant cannot be held in a liquid phase inside the charging cylinder when charging is done using the charging cylinder method, causing bubbles to form in the measurement scale gla...

  • Page 64

    10.3. Refrigerant piping work when working with refrigerant piping, the following points must be carefully observed: no moisture od dust must be allowed to enter the piping, and there must be no refrigerant leaks. 1. Procedure and precautions for flaring work a. Cut the pipe use a pipe cutter, and c...

  • Page 65

    2. Procedure and precautions for flare connection table 11 r410a flaring dimensions nominal diameter outside diameter (mm) wall thickness (mm) a (mm) r410a flaring tool, clutch type conventional flaring tool clutch type wing-nut type 1/4 6.35 0.8 0 - 0.5 1.0 - 1.5 1.5 - 2.0 3/8 9.52 0.8 0 - 0.5 1.0 ...

  • Page 66

    Precautions • be sure to read the instructions for the vacuum pump, vacuum pump adaptor and manifold gauge prior to use, and follow the instructions carefully. • make sure that the vacuum pump is filled with oil up to the designated line on the oil gauge. • the gas pressure back flow prevention valv...

  • Page 67

    10.4.2. Transferring (using new refrigerant piping) 1. Removing the unit a. Collecting the refrigerant into the outdoor unit by pumping down the refrigerant can be collected into the outdoor unit (pumping down) by pressing the test run button, even when the temperature of the room is low. • check to...

  • Page 68

    10.4.5. Recharging refrigerant during servicing when recharging is necessary, insert the specified amount of new refrigerant in accordance with the following procedure. 1. Connect the charging hose to the service port of the outdoor unit. 2. Connect the charging hose to the vacuum pump adaptor. At t...

  • Page 69

    10.4.6. Brazing as brazing requires sophisticated techniques and experiences, it must be performed by a qualified person. In order to prevent the oxide film from occurring in the pipe interior during brazing, it is effective to proceed with brazing while letting dry nitrogen gas (n 2 ) flow. 1. Atta...

  • Page 70

    ● cs-e15dkew 11 installation instructions required tools for installation works 1. Philips screw driver 5. Spanner 9. Gas leak detector 13. Multimeter 2. Level gauge 6. Pipe cutter 10. Measuring tape 14. Torque wrench 18 n.M (1.8 kgf.M) 42 n.M (4.2 kgf.M) 55 n.M (5.5 kgf.M) 3. Electric drill, hole c...

  • Page 71

    Caution 1. This equipment must be earthed. It may cause electrical shock if grounding is not perfect. 2. 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. 3. Carry out drainage piping as mention...

  • Page 72

    Attached accessories applicable piping kit cz-4f5, 7, 10bp (e15dk) select the best location indoor unit • there should not be any heat source or steam near the unit. • there should not be any obstacles blocking the air circulation. • a place where air circulation in the room is good. • a place where...

  • Page 73

    11.2.1. Select the best location (refer to “select the best location” section) 11.2.2. How to fix installation plate the mounting wall is strong and solid enough to prevent it from the vibration. The centre of installation plate should be at more than 450 mm at right and left of the wall. The distan...

  • Page 74

    3. For the embedded piping (this can be used for left rear piping & left bottom piping also.) 74 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 75

    11.2.5. Connect the cable to the indoor unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm 2 flexible cord, type designation 245 iec 57 or h...

  • Page 76

    Installation of super alleru-buster filter 1. Open the front panel. 2. Remove the air filter. 3. Remove supersonic air purifying device. 4. Open the supersonic air purifying device frame. 5. Insert the super alleru-buster filter and close the supersonic air purifying device frame as show in illustra...

  • Page 77

    • 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 installat...

  • Page 78

    11.3.4. Evacuation of the equipment when installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. 1. Connect a charging hose with a push pin to the low and high side of a charging set and the service port of the 3-way valve. • be sure to...

  • Page 79

    Disposal of outdoor unit drain water • if a drain elbow is used, the unit should be placed on a stand which is taller than 3 cm. • if the unit is used in an area where temperature falls below 0°c for 2 or 3 days in succession, it is recommended not to use a drain elbow, for the drain water freezes a...

  • Page 80

    Is there any gas leakage at flare nut connections? Has the heat insulation been carried out at flare nut connection? Is the connecting cable being fixed to terminal board firmly? Is the connecting cable being clamped firmly? Is the drainage ok? (refer to “check the drainage” section) is the earth wi...

  • Page 81

    ● cs-e18dkew cs-e21dkes 12 installation instructions required tools for installation works 1. Philips screw driver 5. Spanner 9. Gas leak detector 13. Multimeter 2. Level gauge 6. Pipe cutter 10. Measuring tape 14. Torque wrench 18 n.M (1.8 kgf.M) 42 n.M (4.2 kgf.M) 55 n.M (5.5 kgf.M) 3. Electric dr...

  • Page 82

    Caution 1. This equipment must be earthed. It may cause electrical shock if grounding is not perfect. 2. 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. 3. Carry out drainage piping as mention...

  • Page 83

    Attached accessories applicable piping kit cz-4f5, 7, 10bp (e18dk, e21dk) select the best location indoor unit • there should not be any heat source or steam near the unit. • there should not be any obstacles blocking the air circulation. • a place where air circulation in the room is good. • a plac...

  • Page 84

    12.2.1. Select the best location (refer to “select the best location” section) 12.2.2. How to fix installation plate the mounting wall is strong and solid enough to prevent it from the vibration. The centre of installation plate should be at more than 550 mm at right and left of the wall. The distan...

  • Page 85

    3. For the embedded piping (this can be used for left rear piping & left bottom piping also.) 85 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 86

    12.2.5. Connect the cable to the indoor unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm 2 flexible cord, type designation 245 iec 57 or h...

  • Page 87

    Installation of super alleru-buster filter 1. Open the front panel. 2. Remove the air filter. 3. Remove supersonic air purifying device. 4. Open the supersonic air purifying device frame. 5. Insert the super alleru-buster filter and close the supersonic air purifying device frame as show in illustra...

  • Page 88

    • 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 installat...

  • Page 89

    12.3.4. Evacuation of the equipment when installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. 1. Connect a charging hose with a push pin to the low and high side of a charging set and the service port of the 3-way valve. • be sure to...

  • Page 90

    Disposal of outdoor unit drain water • if a drain elbow is used, the unit should be placed on a stand which is taller than 3 cm. • if the unit is used in an area where temperature falls below 0°c for 2 or 3 days in succession, it is recommended not to use a drain elbow, for the drain water freezes a...

  • Page 91

    Is there any gas leakage at flare nut connections? Has the heat insulation been carried out at flare nut connection? Is the connecting cable being fixed to terminal board firmly? Is the connecting cable being clamped firmly? Is the drainage ok? (refer to “check the drainage” section) is the earth wi...

  • Page 92: 13 Servicing Information

    1. Rated frequency operation 13 servicing information caution: • pb free solder has a higher melting point than standard solder; typically the melting point is 50 - 70°f (30 - 40°c) higher. Please use a high temperature soldering iron. In case of the soldering iron with temperature control, please s...

  • Page 93

    2. Troubleshooting air conditioner refrigeration cycle system in order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a ...

  • Page 94

    1. Relationship between the condition of the air conditioner and pressure and electric current 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 ...

  • Page 95

    Error codes table diagnosis display abnormality / protection control abnormality judgement emergency operation primary location to verify h11 indoor / outdoor abnormal communication > 1 min after starting operation indoor fan operation only • internal / external cable connections • indoor / outdoor ...

  • Page 96

    • remote control reset when the batteries are inserted for the first time, or the batteries are replaced, all the indications will blink and the remote control might not work. If this happen, remove the cover of the remote control and push the reset point once to clear the memory data. • changing th...

  • Page 97

    1. Remove the front grille fig. 1 2. Remove the indoor control board fig. 2 fig. 3 fig. 4 fig. 5 13.4. Disassembly of parts a. Indoor control board removal procedures 97 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 98

    Fig. 6 1. Remove cross flow fan and fan motor fig. 8 fig. 10 fig. 7 fig. 9 b. Electronic controller removal procedures 1. Remove main electronic controller c. Cross flow fan and fan motor removal procedures 98 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 99

    D. Outdoor electronic controller removal procedure 1. Remove the top panel and front panel fig. 16 2. Remove the outdoor electronic controller fig. 18 caution! When handling electronic controller, be careful of electrostatic discharge. • be save to return the wiring to its original position • there ...

  • Page 100: 14 Technical Data

    14 technical data 14.1. Operation characteristics 14.1.1. Cs-e15dkew cu-e15dke 100 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 101

    14.1.2. Cs-e18dkew cu-e18dke 101 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 102

    14.1.3. Cs-e21dkes cu-e21dke 102 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 103

    14.2. Sensible capacity chart ● cs-e15dkew cu-e15dke 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 4.36 3.31 1.25 4.08 3.17 1.35 3.79 3.05 1.44 3.45 2.90 1.56 19.0°c 4.40 1.37 19.5°c 4.79 3.46 1.28 4.48 3.33 1.38 4.17 3.20 1.47 3.79 3.05 1.5...

  • Page 104

    15 exploded view (indoor unit) 15.1. Cs-e15dkew 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. 104 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 105

    15.2. Cs-e18dkew cs-e21dkes 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. 105 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 106

    16 replacement parts list (indoor unit) 16.1. Cs-e15dkew ref. No. Part name & description qty. Cs-e15dkew remarks 1 chassy complete 1 cwd50c1431 2 fan motor 1 cwa981149 0 3 cross flow fan complete 1 cwh02c1031 4 bearing ass’y 1 cwh64k007 5 screw - cross flow fan 1 cwh4580304 6 evaporator 1 cwb30c172...

  • Page 107

    16.2. Cs-e18dkew cs-e21dkes ref. No. Part name & description qty. Cs-e18dkew cs-e21dkes remarks 1 chassy complete 1 cwd50c1382 ← 2 fan motor 1 cwa981149 ← 0 3 cross flow fan complete 1 cwh02c1010 ← 4 screw - cross flow fan 1 cwh4580304 ← 5 bearing ass’y 1 cwh64k007 ← 6 evaporator 1 cwb30c1533 cwb30c...

  • Page 108

    17 exploded view (outdoor unit) 17.1. Cu-e15dke cu-e18dke cu-e21dke 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. 108 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 109

    18 replacement parts list (outdoor unit) 18.1. Cu-e15dke cu-e18dke cu-e21dke ref no. Description & name qty. Cu-e15dke cu-e18dke cu-e21dke remarks 1 chassy assy 1 cwd50k2085 ← ← 2 anti-vibration bushing 3 cwh50077 ← ← 3 compressor 1 5cs130xad04 ← ← o 4 nut-compressor mount 3 cwh56000 ← ← 5 sound pro...

  • Page 110

    19.1. Indoor unit 19 electronic circuit diagram ● cs-e15dkew cs-e18dkew cs-e21dkes schematic diagram 1/4 1 2 3 4 5 6 10 8 7 9 10 2 4 6 8 9 7 5 3 1 display complete fan motor receiver vout cn-disp cn-disp c36 zd01 c12 0.01 µ r15 1k Ω r36 10k Ω vcc gnd d406 supersonic (blu) ic401 1 2 3 r16 5.1k Ω r66 ...

  • Page 111

    Schematic diagram 2/4 c30 470 µ 63v r46 22k Ω r71 22k Ω r112 1k Ω r113 160 Ω 1/4w 1 2 4 3 db02 + ~ ~ 1 2 4 3 db03 + ~ ~ ic08 nr g i 12v regulator o c31 3300 µ 35v ic09 g i 5v regulator o c33 470 µ 25v c30 470 µ 63v c34 100 µ 16v ic03 d0 4 6 5 7 1 3 8 2 cs rst sck busy d1 br9080f jp8 r33 10k Ω r34 10...

  • Page 112

    Schematic diagram 3/4 1 2 3 4 5 6 7 8 9 21 22 23 24 25 26 27 28 29 52 53 54 55 56 57 58 59 60 72 73 74 75 76 77 78 79 80 10 51 30 71 11 50 31 70 12 49 13 48 32 69 33 68 14 47 15 46 16 45 34 67 35 66 36 65 17 44 18 43 19 42 20 41 37 64 38 63 39 62 40 61 p16 tu6 rxd txd si so sck reset vdd x2 x1 vss i...

  • Page 113

    Horizontal 1 2 3 4 5 1 2 3 4 5 cn-stm2 1 2 3 4 cn-th sw01 vertical 1 2 3 4 5 1 2 3 4 5 cn-stm1 3 2 1 3 2 1 cn-sonic cn-sonic1 1 2 3 4 5 1 2 3 4 cn-ion air cleaner complete r601 1k r602 5.1k r603 1m c601 0.1 µ x601 ic601 ch1 f1 ch1 vin gnd err c2 c1 q1 q2 q4 q5 r2 c e b 4.7k 10k e b c c3 r4 r3 r5 d2 ...

  • Page 114

    19.2. Outdoor unit ● cu-e15dke cu-e18dke cu-e21dke 1 2 1 2 3 3 ac-wht ac-blk fuse 30a znr3 erzv10d102 znr2 erzveav511 znr6 erzveav511 terminal data d1 era15-06 pc1 tlp421 (bl) pc2 tlp421(gr) red r11 r27 330k r2 510k 1/4w r1 510k 1/4w zd3 d12 zd4 r15 1.21k 1% d9 era15-10 1 4 3 2 13k 2w gd1 grn znr1 e...

  • Page 115

    Schematic diagram 2/4 r190 7.5 Ω 5w r103 9.53k 1 % r104 51.5k 1 % c50 1000p d17 c45 1000p r109 11.3k r91 49.9k r110 3.74k 1 % r92 15k r83 1.8k r100 374k 1 % e e c c b b q13 q11 10k 4.7k 10k 4.7k ic4 ic4 7 5 6 ic3 ic3 r82 1.8k r79 10k q7 2sc3441 c51 1000p r108 82.5k 1% r99 15.0k 1 % r98 3.74k 1 % r10...

  • Page 116

    Schematic diagram 3/4 p70 p71 p72 p73 p74/irq00 p75/irq01 p76/irq02 p77/irq03 p80/adin00 p81/adin01 p82/adin10 p83/adin11 vss vref- p84/adin20 vref+ vdd p85/adin21 p86/adin22 p87/adin23 p90/adin24 p91/adin25 p92/adin26 p93/adin27 p94/adin28 p42/tm9a1 p41/tm8810 p40/tma10 p37/tm710 p36/tm610 p35/tm51...

  • Page 117

    Schematic diagram 4/4 c ho ce vcc in com c ho ce vcc in com c ho ce u out v out w out roc cf0 vcc in com vcc in(x) in(y) in(x) vfo gnd r194 r193 c106 0.47µ 630v d27 d41 d26 1000p x3 hv1c1 hv1c2 hv1c3 lvic q17 p u 3 2 1 7 8 6 5 13 12 10 9 14 19 20 18 15 4 v w u v w n red blue yellow compressor c81 0....

  • Page 118

    118 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 119

    How to use electronic circuit diagram timer table test mode name time (when test point short-circuited) 4 way valve abnormality 4 min. 24 sec. Outdoor air temp. For hz no. Decision 30 min. 0 sec. Anti-dew formation control 20 min. 0 sec. Anti-freezing control 6 min. 0 sec. Thermo off delay 3 min. 0 ...

  • Page 120

    19.3. Remote control 120 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 121

    19.4. Print pattern indoor unit printed circuit board 121 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke.

  • Page 122

    19.5. Print pattern outdoor unit printed circuit board view 122 cs-e15dkew cu-e15dke / cs-e18dkew cu-e18dke / cs-e21dkes cu-e21dke [phaam] printed in malaysia.