10. It is desirable that the amount of residual oil is less than 40 mg/10 m.
11. Do not modify the length of the power supply cord or use of the extension cord, and do not share the single outlet with other electrical appliances. Otherwise, it will cause fire or electrical shock.
1. The 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 mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture. 4. Pb free solder has a higher melting point than standard solder; typically the melting point is 50 - 70F (30 - 40C) higher. Please use a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 20F (370 10C). Pb free solder will tend to splash when heated too high (about 1100F/600C).
1. Selection of the installation location. Select an installation location which is rigid and strong enough to support or hold the unit, and select a location for easy maintenance. 2. Power supply connection 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 using a power plug. Use an approved power plug with earth pin for the connection to the socket. 2. Power supply connection to a circuit breaker for the permanent connection. Use an approved circuit breaker for the permanent connection. It must be a double pole switch with a minimum 3.5 mm contact gap. 3. Do not release refrigerant during piping work for installation, servicing, reinstallation and during repairing a refrigeration parts. Take care of the liquid refrigerant, it may cause frostbite. 4. Installation work. It may need two people to carry out the installation work. 5. Do not install this appliance in a laundry room or other location where water may drip from the ceiling, etc.

2 Specification

2.1. CS-E9EKEB CU-E9EKEB
Unit Performance Test Condition Cooling Capacity kW kcal/h CS-E9EKEB EUROVENT 2.60 (0.60 - 3.00) 2,240 (520 - 2,580) CU-E9EKEB

Heating Capacity

kW kcal/h
3.60 (0.60 - 5.40) 3,100 (520 - 4,640)

Moisture Removal

l/h Pint/h

1.6 3.4

Power Source (Phase, Voltage, Cycle)

Single 230 50

Airflow Method

OUTLET

SIDE VIEW

TOP VIEW

INTAKE

Air Volume

Lo Me Hi SHi
m3/min (cfm) m3/min (cfm) m3/min (cfm) m3/min (cfm)
Cooling; 6.2 (220) Heating; 6.6 (230) Cooling; 7.9 (280) Heating; 8.6 (300) Cooling; 9.6 (340) Heating; 10.5 (370) Cooling; 9.9 (350) Heating; 10.8 (380) Cooling; High 39, Low 26 Heating; High 40, Low 27

Cooling; 29.8 (1,050)

dB (A) Noise Level Power level dB

Cooling; 46 Heating; 47

Cooling; High 50 Heating; High 51
Cooling; High 59 Heating; High 60

Electrical Data

Cooling; 590 (120 - 750) Heating; 845 (115 - 1,360)

Running Current

Cooling; 2.9 Heating; 4.0 Cooling; 4.41 (3.80) Heating; 4.26 (3.67) 4.0 G ; Half Union 3/8 G ; 3-way valve 3/8 L ; Half Union 1/4 L ; 2-way valve 1/4 G (gas side) ; 3/8 G (gas side) ; 3/8 L (liquid side) ; 1/4 L (liquid side) ; 1/0.65
EER COP Starting Current Piping Connection Port (Flare piping) Pipe Size (Flare piping) Drain Inner diameter Hose Length
W/W (kcal/hw) W/W (kcal/hw) A inch inch inch inch mm m
Power Cord Length Number of core-wire Dimensions Height Width Depth Net Weight Compressor Motor Rated Fan Motor Motor
Unit m inch (mm) inch (mm) inch (mm) lb (kg) Type Type Output Type Material Type Input Rate Output Lo (Cool/Heat) Me (Cool/Heat) Hi (Cool/Heat) SHi (Cool/Heat)

Fan Speed

W W rpm rpm rpm rpm

Heat Exchanger

Description Tube material Fin material Fin Type Row / Stage FPI Size (W H L)
Refrigerant Control Device Refrigeration Oil Refrigerant (R410A) Thermostat Protection Device Air Filter

(cm3) g (oz)

Material Style
CS-E9EKEB CU-E9EKEB 1.8 (1.5mm2) 11 - 1/32 (280) 21 - 1/4 (540) 31 - 15/32 (799) 30 - 23/32 (780) 7 - 7/32 (183) 11 - 3/8 (289) 20 (9.0) 77 (35) Hermetic Motor Brushless (4-pole) 750 Cross-flow Fan Propeller Fan ASG20k1 P.P Transistor (8-poles) Induction (8-poles) 44.3 61.40 820/880 1,050/1,140 1,280/1,400 800/790 1,320/1,440 Evaporator Condenser Copper Copper Aluminium (Pre Coat) Aluminium Slit Fin Corrugated Fin (Plate fin configuration, forced draft) 2 / / 315 25.4 718.36.4 689.8 Capillary Tube RB68A (400) 930 (32.8) Electronic Control Electronic Control P.P. Honeycomb

Specifications are subjected to change without prior notice for further improvement.

CS-E12EKEB CU-E12EKEB

Unit CS-E12EKEB EUROVENT kW kcal/h 3.50 (0.60 - 4.00) 3,010 (520 - 3,440) CU-E12EKEB
Performance Test Condition Cooling Capacity
4.80 (0.60 - 6.60) 4,130 (520 - 5,680)

2.0 4.2

Cooling; 6.9 (240) Heating; 8.1 (290) Cooling; 8.8 (310) Heating; 9.7 (340) Cooling; 10.7 (380) Heating; 11.2 (400) Cooling; 11.0 (390) Heating; 11.6 (410) Cooling; High 42, Low 29 Heating; High 42, Low 33

Cooling; 31.0 (1,090)

Cooling; 48 Heating; 50
Cooling; High 53 Heating; High 53
Cooling; High 61 Heating; High 63
Cooling; 920 (120 - 1,180) Heating; 1,260 (115 - 1,850)
Cooling; 4.3 Heating; 5.8 Cooling; 3.80 (3.27) Heating; 3.81 (3.28) 5.8 G ; Half Union 1/2 G ; 3-way valve 1/2 L ; Half Union 1/4 L ; 2-way valve 1/4 G (gas side) ; 1/2 G (gas side) ; 1/2 L (liquid side) ; 1/4 L (liquid side) ; 1/0.65 1.8 (1.5mm2)
EER COP Starting Current Piping Connection Port (Flare piping) Pipe Size (Flare piping) Drain Inner diameter Hose Length Power Cord Length Number of core-wire

Dimensions

Height Width Depth Type Type Output Type Material Type Input Rate Output Lo (Cool/Heat) Me (Cool/Heat) Hi (Cool/Heat) SHi (Cool/Heat)
Net Weight Compressor Motor Rated Fan Motor Motor
Unit inch (mm) inch (mm) inch (mm) lb (kg)
Refrigerant Control Device Refrigeration Oil Refrigerant (R410A) Thermostat Protection Device Air Filter Material Style
CS-E12EKEB CU-E12EKEB 11 - 1/32 (280) 21 - 1/4 (540) 31 - 15/32 (799) 30 - 23/32 (780) 7 - 7/32 (183) 11 - 3/8 (289) 20 (9.0) 79 (36) Hermetic Motor Brushless (4-pole) 750 Cross-flow Fan Propeller Fan ASG20k1 P.P Transistor (8-poles) Induction (8-poles) 44.3 65.40 910/1,080 1,165/1,290 1,420/1,/ 820 1,460/1,540 Evaporator Condenser Copper Copper Aluminium (Pre Coat) Aluminium Slit Fin Corrugated Fin (Plate fin configuration, forced draft) 2 / / 315 25.4 718.36.4 689.8 Capillary Tube RB68A (400) 970 (34.2) Electronic Control Electronic Control P.P. Honeycomb

3 Features

3.1.1.
Super Air Purifying System with SUPER alleru-buster
Supersonic Air Purifying System

Ion Freshener

Around 20,000 negative ions/cc are generated to freshen the room. Its like being next to a waterfall or in a forest.
The Supersonic Air Purifying System incorporated in the indoor unit generates supersonic waves. The system works in combination with the filter to collects dust and dirt in the air for faster, more efficient air purification.

Super Quiet

The indoor unit operates at a whisper-quiet 26dB. You can also press the Quiet Mode button to lower the operating noise 3 dB. Weve reduced the noise of the outdoor unit, too, with the e-scroll Compressor and 2-Wing Fan. You can run the air conditioner at night and enjoy a deeper, more comfortable sleep, and without bothering your neighbours.

3.1.2.

SUPER alleru-buster filter
The SUPER alleru-buster filter combines three effects in one anti-allergen, anti-virus, anti-bacteria protection to keep room air clean and healthful.
Powerful Heating And Topclass Energy Effciency
4 Location of controls and components

4.1. Indoor Unit

Outdoor Unit

Remote Control

5 Dimension
5.1. Indoor Unit & Remote Control
6 Refrigeration Cycle Diagram

7 Block Diagram

8 Wiring Diagram
8.1. CS-C9EKEB CS-C12EKEB

CU-C9EKEB CU-C12EKEB

9 Printed Circuit Board

9.1. Indoor Unit

10 Simplified Electronic Circuit Diagram

10.1. Indoor Unit

10.2. Outdoor Unit
11 Installation Instructions
11.1. 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 drainage can be easily done. A place where consideration. noise prevention is taken into Indoor/Outdoor Unit Installation Diagram
Do not install the unit near the door way. Ensure the spaces indicated by arrows from the wall, ceiling, fence or other obstacles. Recommended installation 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 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 table.

Model Piping size Rated Max. Gas Liquid Length Elevation (m) (m) 3/8 1/2 1/4 1/4 7.5 7.5 Max. Piping Length (m) Additional Refrigerant (g/m) 20 20

E9EK E12EK

This illustration is for explanation purposes only. The indoor unit will actually face a different way.

11.2. Indoor Unit

11.2.1. HOW TO FIX INSTALLATION PLATE
The mounting wall is strong and solid enough to prevent it from the vibration.
11.2.2. TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF PIPING
1. Insert the piping sleeve to the hole. 2. Fix the bushing to the sleeve. 3. Cut the sleeve until it extrudes about 15 mm from the wall. Caution
When the wall is hollow, please be sure to use the sleeve for tube assy to prevent dangers caused by mice biting the connecting cable.
4. Finish by sealing the sleeve with putty or caulking compound at the final stage.
The centre of installation plate should be at more than 450 mm at right and left of the wall. The distance from installation plate edge to ceiling should more than 67 mm. From installation plate left edge to units left side is 74 mm. From installation plate right edge to units right is 94 mm.
: For left side piping, piping connection for liquid should be about 15 mm from this line. : For left side piping, piping connection for gas should be about 45 mm from this line. : For left side piping, piping connection cable should be about 800 mm from this line.
1. Mount the installation plate on the wall with 5 screws or more. (If mounting the unit on the concrete wall consider using anchor bolts.) Always mount the installation plate horizontally by aligning the marking-off line with the thread and using a level gauge. 2. Drill the piping plate hole with 70 mm hole-core drill. Line according to the left and right side of the installation plate. The meeting point of the extended line is the centre of the hole. Another 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.
11.2.3. INDOOR UNIT INSTALLATION
1. For the right rear piping
2. For the right and right bottom piping
3. For the embedded piping
(This can be used for left rear piping & left bottom piping also.)

above take the following measure:.
If the leak stops when the piping connections are tightened further, continue working from step If the leak does not stop when the connections are retightened, repair the location of leak.
Do not release refrigerant during piping work for installation and reinstallation. Take care of the liquid refrigerant, it may cause frostbite.
11.3.4. CONNECT THE CABLE TO THE OUTDOOR UNIT
(FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT) 1. Remove the control board cover from the unit by loosening the screw. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 1.5 mm2 flexible cord, type designation 245 IEC 57 or heavier cord.
3. Secure the cable onto the control board with the holder (clamper). 4. Attach the control board cover back to the original position with the screw.

11.3.5. PIPE INSULATION

1. Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation Diagram. Please wrap the insulated piping end to prevent water from going inside the piping. 2. If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by using POLY-E FOAM with thickness 6 mm or above.
11.3.6. OUTDOOR UNIT DRAIN WATER
Water will drip from the basepan hole area during defrost function. To avoid water dripping, do not stand or place objects at this area.
11.3.7. CHECK THE DRAINAGE
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.
11.3.8. EVALUATION OF THE PERFORMANCE
Operate the unit at cooling operation mode for fifteen minutes or more. Measure the temperature of the intake and discharge air. Ensure the difference between the intake temperature and the discharge is more than 8C.

12 Operation And Control

12.1. Basic Function
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 the set temperature by measuring the temperature of the environment and performing temperature shifting. The compressor at outdoor unit is operating following the frequency instructed by the microcomputer at indoor unit that judging the condition according to internal setting temperature and intake air temperature.

12.1.1. Internal Setting Temperature
Once the operation starts, remote control setting temperature will be taken as 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.
12.1.2. 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 temperature and intake air temperature) and manual (angles of direction can be adjusted using remote control).
12.1.2.1. Vertical Airflow
Operation Mode Heating Airflow Direction 1 Auto with Heat Exchanger Temperature A B C D Upward fix Downward fix Upward fix Downward fix 8 Vane Angle () 8 ~ 5
Cooling, Soft Dry and Ion Mode Judgment in Auto
Manual Auto Manual Auto Manual
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 remote control, the vane will shift to close position. 2. Manual vertical airflow direction can be set using remote control; the angles of the vane are as stated above and the positions of the vane are as Figure 2 below. When the air conditioner is stopped using remote control, the vane will shift to close position.
12.1.2.2. Horizontal Airflow
1. Automatic horizontal airflow direction can 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 Heating, with heat exchanger temperature Cooling, Soft Dry and Ion A B Vane Angle () 65 ~ 65 ~ 115
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.
Pattern Airflow Direction Patterns at Remote Control Vane Angle () 5
12.1.3. 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 condition 1. When one of the following conditions is satisfied, quiet operation stops: a. Powerful button is pressed. b. Stop by OFF/ON switch. c. Timer off activates. d. Quiet button is pressed again. 31
2. When quiet operation is stopped, operation is shifted to normal operation with previous setting. 3. When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed. 4. When operation mode is changed, quiet operation is shifted to quiet operation of the new mode. 5. During quiet operation, if timer on activates, quiet operation maintains. 6. After off, 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.

12.1.3.1. 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 following conditions is satisfied, quiet operation stops: a. Powerful button is pressed. b. Stop by OFF/ON switch. c. Timer off activates. d. Quiet button is pressed again. 2. When quiet operation is stopped, operation is shifted to normal operation with previous setting. 3. When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed. 4. When operation mode is changed, quiet operation is shifted to quiet operation of the new mode, except fan only mode. 5. During quiet operation, if timer on activates, quiet operation maintains. 6. After off, 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 -1 step from setting fan speed. 3. Fan Speed Auto Indoor FM RPM depends on pipe temp sensor of indoor heat exchanger.
12.1.4. 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

12.1.5. 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. 60 minutes before the set time, indoor (at fan speed of Lo-) and outdoor fan motor start operate for 30 seconds to determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time. From the above judgment, the decided operation will start operate earlier than the set time as shown below.
12.1.6. OFF Timer Control
OFF timer can be set using remote control, the unit with timer set will stop operate at set time.
12.1.7. 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 (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.
12.1.8. Ionizer Operation
Purpose To provide fresh air effect to users by discharging minus ion to air. Control Condition
a. Ionizer Only Operation. 1. When air-conditioner unit is at OFF condition (standby) and ION operation button at remote 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.

12.2.6. Outdoor High Pressure Prevention Control (Cooling and Dry operations)
1. If outdoor heat exchanger temperature exceeds 63C in cooling or dry operation, compressor will be stopped. 2. Timer LED is not blinking. (F95 is memorized, then.)
12.2.7. Compressor Protection Control (Refrigeration Cycle Abnormality)
In cooling and Dry operations 1. When compressor is operated continuously for 5 minutes in the maximum cooling power: a running current of 0.7 - 1.4A and [Indoor intake air temperature] - [Indoor heat exchanger temperature] < 4C, compressor will be stopped. 2. If the above excess occurs twice for 20 minutes, timer LED is to be blinking. (F91 is to be confirmed.) In Heating operation 1. When compressor is operated continuously for 5 minutes in the rated heating power: a running current of 0.7 - 1.4A and [Indoor heat exchanger temperature] - [Indoor intake air temperature] < 5C, compressor will be stopped. 2. If the above excess occurs twice for 20 minutes, timer LED is to be blinking. (F91 is to be confirmed.)
12.2.8. Four-way Valve Operation Detection Control (Switching Abnormality between Cooling and Heating)
In Cooling operation 1. When indoor heat exchanger temperature exceeds 45C in 4 minutes after compressor starts, compressor will be stopped. 2. If the above excess occurs 4 times per 30 minutes, timer LED is to be blinking. (F11 is to be confirmed.) In Heating operation 1. When indoor heat exchanger temperature is below 0C in 4 minutes after compressor starts, compressor will be stopped. 2. If the above excess occurs 4 times per 30 minutes, timer LED is to be blinking. (F11 is to be confirmed.)
12.2.9. Anti-Freezing Control (Cooling and Dry operations)
Limit of Cooling power 1. When temperature of indoor heat exchanger is below 5C, operating frequency will be decreased. 2. When temperature of indoor heat exchanger exceeds 7C, operating frequency will be increased. (But, up to programmed frequency.) 3. When temperature of indoor heat exchanger is below 0C continuously for 6 minutes, compressor will be stopped. 4. Timer LED is not blinking. (F99 is memorized, then.) Limit of Indoor fan speed When temperature of indoor heat exchanger is below 6C (2C at Dry) continuously for 6 minutes, indoor fan speed will be increased by 50 rpm.
12.2.10. Outdoor Air Temperature Control
In Cooling and Dry operations 1. When outdoor air temperature is below 25C, the maximum power will be limited up to about 80 - 100% of the rated power. 2. When outdoor air temperature is below 18C, the maximum power will be limited up to about 50 - 100% of the rated power. 3. When outdoor air temperature is below 11C, the maximum power will be limited up to about 26 - 81% of the rated power.

12.2.11. Indoor Intake Air Temperature Control (Heating operation)
1. When indoor air temperature is 35C or more, the maximum power will be limited up to the rated power. 2. When fan speed is set at Lo and intake air temperature is below 21C, the maximum power will be limited up to the rated power.

13 Servicing Mode

13.1. Auto Switch Operation
The below operations will be performed by pressing the AUTO switch. 1. AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto Switch is pressed. 2. TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE) The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec. A beep sound will occur at the fifth sec., in order to identify the starting of Test Run operation. 3. REMOTE CONTROLLER RECEIVING SOUND ON/OFF The ON/OFF of remote controller receiving sound can be change over by pressing the following step: a. Release the Auto Switch after Test Run operation is activated. b. Then, within 20 sec., after a., press Auto Switch for more than 5 sec. A beep beep sound will occur at the fifth sec., then release the Auto Switch. c. Within 20 sec. after b., press Auto Switch again. Everytime Auto Switch is pressed (within 20 sec. interval), remote controller receiving sound status will 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.

13.2. Indicator Panel

LED Color Light ON Light OFF
POWER Green Operation ON Operation OFF
TIMER Orange Timer Setting ON Timer Setting OFF
QUIET Orange Quiet Mode ON Quiet Mode OFF
POWERFUL Orange Powerful Mode ON Powerful Mode OFF
ION Green Ion Mode ON Ion Mode OFF
ALLERGEN BUSTER Blue Operation ON Operation OFF
Note: If POWER LED is blinking, the possible operations of the unit are Hot Start, during Deice operation, operation mode judgment, or ON timer sampling. If Timer LED is blinking, there is an abnormality operation occurs. If Ionizer, LED is blinking, there is an abnormality of Ionizer occurs.

14 Troubleshooting Guide

14.1. 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 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.
14.2. Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current
Cooling Mode Condition of the air conditoner Low Pressure High Pressure Electric current during operation Low Pressure Heating Mode 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.
14.3. Breakdown Self Diagnosis Function
Once abnormality detected during operation, the unit will immediately stop its operation (Timer LED is blinking) and maximum of three error codes (abnormality) will be saved in memory. The abnormality of the operation can be identified through the below breakdown diagnosis method: Press CHECK button at remote controller continuously for more than five seconds to turn on the diagnosis mode, H11 will be displayed at remote controller. By pressing the TMER displayed. button once, next error code will be displayed; press V button once, previous error code will be
If error code displayed matches the error code saved in unit memory (abnormality detected), beep, beep, beep. sounds will be heard for 4 seconds and Power LED will light on. Otherwise, one beep sound is heard. If CHECK button is press again or without any operation for 30 seconds, the diagnosis mode will turn off.

14.4. Error Codes Table

Diagnosis display H00 H11 H12 H14 H15 H16 H19 H23 H26 H27 H28 Abnormality / Protection control Abnormality Judgement Emergency operation Primary location to verify
No abnormality detected Indoor / outdoor abnormal communication Connection capability rank abnormal Indoor intake air temperature sensor abnormality Outdoor compressor temperature sensor abnormality Outdoor Current Transformer open circuit Indoor fan motor merchanism locked Indoor heat exchanger temperature sensor abnormality Ionizer breakdown Outdoor intake air temperature sensor abnormality Outdoor heat exchanger temperature sensor abnormality Outdoor discharge air temperature sensor abnormality Indoor/Outdoor wrong connection Indoor / outdoor mismatch (brand code) Outdoor fan motor mechanism locked Indoor high pressure protection Indoor heat exchanger anti-freezing protection Cooling / Heating cycle changeover abnormality PFC control Refrigeration cycle abnormality Compressor rotation failure Cool high pressure protection IPM (power transistor) overheating protection

Normal operation > 1 min after starting Indoor fan operation operation only Continue for 5 sec. Continue for 5 sec. Continue for 5 sec. Continue for 5 sec. Continue for 5 sec. O (Cooling only) O O
Internal / external cable connections Indoor / Outdoor PCB Intake air temperature sensor (detective or disconnected) Compressor temperature sensor (detective or disconnected) Outdoor PCB IPM (Power transistor) module Indoor PCB Fan motor Heat exchanger temperature sensor (defective or disconnected) Ionizer Outdoor temperature sensor (defective or disconnected) Outdoor heat exchanger temperature sensor (defective or disconnected) Outdoor temperature sensor (defective or disconnected) Indoor/Outdoor supply voltage Indoor PCB Fan motor Air filter dirty Air circulation short circuit Insufficient refrigerant Air filter dirty 4-way valve V-coil Voltage at PFC No refrigerant (3-way valve is closed) Compressor Outdoor refrigerant circuit Excess refrigerant Improper heat radiation IPM (Power transistor) Insufficient refrigerant Compressor Excess refrigerant Improper heat radiation Outdoor PCB IPM (Power transistor) Compressor
H30 H33 H38 H97 H98 H99 F11 F90 F91 F93 F95 F96
Continue for 5 sec. 2 times occurance within 30 minutes 4 times occurance within 30 minutes 4 times occurance within 10 minutes 2 times occurance within 20 minutes 4 times occurance within 20 minutes

F97 F98 F99
Outdoor compressor overheating protection Total running current protection Outdoor Direct Current (DC) peak detection
4 times occurance within 10 minutes 3 times occurance within 20 minutes 7 times occurance continuously
Note: O - Frequency measured and fan speed fixed.
The memory data of error code is erased when the power supply is cut off, or press the Auto Switch until beep sound heard following by pressing the RESET button at remote controller. Although operation forced to stop when abnormality detected, emergency operation is possible for certain errors (refer to Error Codes Table) by using remote controller or Auto Switch at indoor unit. However, the remote controller signal receiving sound is changed from one beep to four beep sounds.
15 Disassembly and Assembly Instructions
Caution! 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.
15.1. Indoor Electronic Controller and Control Board
15.2. Indoor Cross Flow Fan and Fan Motor
15.3. Outdoor Propeller Fan and Fan Motor

16 Technical Data

16.1. CS-E9EKEB CU-E9EKEB

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
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
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
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
16.2. CS-E12EKEB CU-E12EKEB
16.3. Sensible Capacity Chart
Condition Indoor temperature : 27C / 19C Outdoor temperature : 35C / 24C CS-E9EKEB CU-E9EKEB
230V Indoor wet bulb temperature 17.0C 19.0C 19.5C 22.0C 30 SHC 1.96 2.05 2.12 Outdoor Temperature (C) SHC IP TC SHC 1.88 0.58 2.24 1.80 0.59 1.97 0.59 2.46 1.89 2.04 0.60 2.68 1.SHC 1.71 1.80 1.88

TC 2.58 2.83 3.09

IP 0.54 0.55 0.56

TC 2.41 2.60 2.65 2.88

IP 0.62 0.63 0.64

TC 2.04 2.24 2.44

IP 0.67 0.68 0.70

CS-E12EKEB CU-E12EKEB

230V Indoor wet bulb temperature 17.0C 19.0C 19.5C 22.0C 30 SHC 2.63 2.76 2.86 Outdoor Temperature (C) SHC IP TC SHC 2.52 0.91 3.02 2.43 0.92 2.65 0.92 3.31 2.55 2.75 0.94 3.61 2.SHC 2.30 2.43 2.53

TC 3.47 3.81 4.15

IP 0.84 0.86 0.87

TC 3.24 3.50 3.56 3.88

IP 0.97 0.99 1.01

TC 2.74 3.01 3.28

IP 1.05 1.07 1.08
TC - Total Cooling Capacity (kW) SHC - Sensible Heat Capacity (kW) IP - Input Power (kW)
17 Exploded View And Replacement Parts List
17.1. CS-E9EKEB CS-E12EKEB
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. 59
17.2. CS-E9EKEB CS-E12EKEB
REF. NO. PART NAME & DESCRIPTION CHASSY COMPLETE FAN MOTOR, DC 30W 3PH CROSS FLOW FAN COMPLETE BEARING ASSY SCREW - CROSS FLOW FAN EVAPORATOR CO. FLARE NUT (1/4) FLARE NUT (3/8) (1/2) CLIP FOR SENSOR DISCHARGE GRILLE COMPLETE VERTICAL VANE CONNECTING BAR CONNECTING BAR A.S.MOTOR, DC SINGLE 12V 300 LEADWIRE - AIR SWING MOTOR CAP - DRAIN TRAY HORIZONTAL VANE BACK COVER CHASSIS CONTROL BOARD CASING TERMINAL BOARD COMPLETE P.S CORD WITHOUT PLUG ELECTRONIC CONTROLLER - MAIN LEAD WIRE - AIR SWING MOTOR ELECTRONIC CONTROLLER - POWER SENSOR COMPLETE CONTROL BOARD FRONT COVER CO. INDICATOR COMPLETE INDICATOR HOLDER INDICATOR HOLDER CONTROL BOARD TOP COVER REMOTE CONTROL COMPLETE FRONT GRILLE CO. INTAKE GRILLE COMPLETE GRILLE DOOR AIR FILTER SCREW - FRONT GRILLE CAP - FRONT GRILLE DRAIN HOSE INSTALLATION PLATE BAG COMP. - INSTALLATION SCREW FULCRUM ELECTRONIC CONTROLLER - IONIZER CASING - IONIZER CASING - IONIZER ION GENERATOR SUPERSONIC AIR PURIFYING DEVICE ELEC. CONTROLLER - SUPERSONIC SUPER ALLERU BUSTER FILTER FRAME FR AIR FILTER SUPERSONIC FRAME FR AIR FILTER SUPERSONIC QTY. CS-E9EKEB CWD50C1431 CWA981149J CWH02C1045 CWH64K007 CWH551146 CWB30C1832 CWT251030 CWT251031 CWH32143 CWE20C2343 CWE241150 CWE261072 CWE261065 CWA98260+MJ CWA67C3849 CWH521096 CWE241173 CWD932454 CWH102289 CWA28C2069 CWA20C2478 CWA73C2014 CWA67C3977 CWA744060 CWA50C2321 CWH13C1120 CWE39C1126 CWD932429 CWD932430 CWH131207 CWA75C2807 CWE11C3138 CWE22C1154 CWE141073 CWD001144 XTT4+16CFJ CWH521109 CWH851063 CWH361067 CWH82C067 CWH621046 CWA743675 CWD932464 CWD932431 CWH94C0001 CWH91C1013 CWA743874 CWD00C1133 CWD011026 CWD011027 CS-E12EKEB CWB30C1833 CWT251032 CWA73C2015 Remarks O