Order No. MAC0801088C2

Air Conditioner
Indoor Unit Outdoor Unit CS-CE7HKEW CU-CE7HKE CS-CE9HKEW CU-CE9HKE CS-CE12HKEW CU-CE12HKE
Please file and use this manual together with the service manual for Model No. CU-2E18CBPG, CU-3E23CBPG, CU4E27CBPG, Order No. RAC0209005C2, Model No. CU-3E18EBE, Order No. RAC0503011C2 and Model No. CU-2E15GBE, Order No. MAC0704001A2.

TABLE OF CONTENTS

PAGE 1 Safety Precautions----------------------------------------------- Specifications ----------------------------------------------------- 4 2.1. CS-CE7HKEW CU-CE7HKE -------------------------- 4 2.2. CS-CE9HKEW CU-CE9HKE -------------------------- 6 2.3. CS-CE12HKEW CU-CE12HKE ----------------------- 8 2.4. Outdoor Unit: CU-2E15GBE ---------------------------10 2.5. Outdoor Unit: CU-3E18EBE --------------------------- 11 2.6. Outdoor Unit: CU-3E23CBPG CU4E27CBPG-------------------------------------------------Features ------------------------------------------------------------Location of Controls and Components ------------------18 4.1. Indoor Unit--------------------------------------------------PAGE 4.2. Outdoor Unit----------------------------------------------- 18 4.3. Remote Control------------------------------------------- 18 Dimensions ------------------------------------------------------- 19 5.1. Indoor Unit ------------------------------------------------- 19 5.2. Outdoor Unit----------------------------------------------- 20 Refrigeration Cycle Diagram -------------------------------- 21 Block Diagram --------------------------------------------------- 22 Wiring Connection Diagram--------------------------------- 23 8.1. Indoor Unit ------------------------------------------------- 23 8.2. Outdoor Unit----------------------------------------------- 24 Electronic Circuit Diagram----------------------------------- 25 9.1. Indoor Unit ------------------------------------------------- 25
2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd. (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law.
9.2. Outdoor Unit ----------------------------------------------- Printed Circuit Board ------------------------------------------ 27 10.1. Indoor Unit ------------------------------------------------- 27 10.2. Outdoor Unit ----------------------------------------------- Installation Instruction ---------------------------------------- 30 11.1. Select The Best Location ------------------------------ 30 11.2. Indoor/Outdoor Unit Installation Diagram ---------- 30 11.3. Indoor Unit ------------------------------------------------- 31 11.4. Outdoor Unit ----------------------------------------------- Operation Control----------------------------------------------- 37 12.1. Basic Function -------------------------------------------- 37 12.2. Indoor Fan Motor Operation --------------------------- 38 12.3. Outdoor Fan Motor Operation------------------------- 39 12.4. Airflow Direction ------------------------------------------ 39 12.5. Quiet operation (Cooling Mode/Cooling area of Dry Mode)----------------------------------------------- 40 12.6. Quiet operation (Heating) ------------------------------ 40 12.7. Powerful Mode Operation ------------------------------ 41 12.8. Timer Control---------------------------------------------- 41 12.9. Auto Restart Control------------------------------------- 41 12.10. Indication Panel------------------------------------------- 42 12.11. Patrol Operation ------------------------------------------ 42 12.12. e-ion Operation ------------------------------------------- Protection Control ---------------------------------------------- 47
13.1. Protection Control For All Operations -------------13.2. Protection Control For Cooling & Soft Dry Operation -------------------------------------------------13.3. Protection Control For Heating Operation--------Servicing Mode-------------------------------------------------14.1. Auto OFF/ON Button ----------------------------------14.2. Select Remote Control Transmission Code------14.3. Remote Control Button --------------------------------Troubleshooting Guide --------------------------------------15.1. Refrigeration Cycle System --------------------------15.2. Breakdown Self Diagnosis Function ---------------15.3. Error Codes Table --------------------------------------Disassembly and Assembly Instructions -------------16.1. Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures-----16.2. Outdoor Electronic Controller Removal Procedure-------------------------------------------------Technical Data --------------------------------------------------17.1. Operation Characteristics ----------------------------17.2. Sensible Capacity Chart ------------------------------Exploded View and Replacement Parts List----------18.1. Indoor Unit------------------------------------------------18.2. Outdoor Unit ----------------------------------------------

1 Safety Precautions

Read the following SAFETY PRECAUTIONS carefully before perform any servicing. Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as below. Incorrect installation or servicing due to ignoring of the instruction will cause harm or damage, and the seriousness is classified by the following indications.
This indication shows the possibility of causing death or serious injury.
This indication shows the possibility of causing injury or damage to properties.
The items to be followed are classified by the symbols:
This symbol denotes item that is PROHIBITTED from doing.
Carry out test run to confirm that no abnormality occurs after the servicing. Then, explain to user the operation, care and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for future reference.
1. Engage dealer or specialist for installation and servicing. If installation or servicing done by the user is defective, it will cause water leakage, electrical shock or fire. 2. Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electrical shock or fire. 3. Use the attached accessories parts and specified parts for installation and servicing. Otherwise, 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 outlet must be used. If electrical circuit capacity is not enough or defect found in electrical work, it will cause electrical shock or fire.
6. This equipment is strongly recommended to install with Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD). Otherwise, it may cause electrical shock and fire in case equipment breakdown or insulation breakdown. 7. Use the specified cable and connect tightly for indoor/outdoor connection. Connect tightly and clamp the cable so that no external force will be acted on the terminal. If connection or fixing is not perfect, it will cause heat-up or fire at the connection. 8. Wire routing must be properly arranged so that control board cover is fixed properly. If control board cover is not fixed perfectly, it will cause heat-up or fire at connection point of terminal, fire or electrical shock. 9. When carrying out piping connection, take care not to let air substances other than the specified refrigerant go into refrigeration cycle. Otherwise, it will cause lower capacity, abnormal high pressure in the refrigeration cycle, explosive and injury. 10. Do not install outdoor unit near handrail of veranda. When installing air-conditioner unit at veranda of high rise building, child may climb up to outdoor unit and cross over the handrail and causing accident. 11. This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and telephone. Otherwise, it may cause electric shock in case equipment breakdown or insulation breakdown. 12. When connecting the piping, do not allow air or any substances other than the specified refrigerant to enter the refrigeration cycle. Otherwise, this may lower the capacity, cause abnormally high pressure in the refrigeration cycle, and possibly result in explosion and injury. 13. Do not damage or use unspecified power supply cord. Otherwise it will cause fire or electric shock. 14. Do not modify the length of the power supply cord or use extension cord, and do not share the single outlet with other electrical appliances. Otherwise, it will cause fire or electric shock. 15. It is desirable that the amount of residual oil is less than 40 mg/10 m. Thickness of copper pipes used must be more than 0.8 mm. Never use copper pipes thinner than 0.8 mm. 16. During installation, before run the compressor, confirm the refrigerant pipes are fixed. Operation of compressor without fixing the piping, setting the valves at open condition, a burst may occur and cause injury. 17. After completion of installation or service, confirm there is no leakage or refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire. 18. Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when refrigerant contacts with fire.

ITEM Type Material Motor Type Input Power Fan Output Power QLo (Cool/Heat) Lo (Cool/Heat) Fan Speed Me (Cool/Heat) Hi (Cool/Heat) SHi (Cool/Heat) Fin Material Fin Type Heat Exchanger Row x Stage x FPI Size (W x H x L) Air Filter Material Type
INDOOR UNIT Cross-Flow Fan ASG20K1 Transistor (8-pole)
OUTDOOR UNIT Propeller Fan PP Induction (6-pole) 750 / Aluminium Corrugated Fin 2 x 24 x 17 36.4 x 504 x

W W rpm rpm rpm rpm rpm

/ / / / /1390 Aluminium (Pre Coat) Slit Fin 2 x 15 x 17
610 x 315 x 25.4 Polypropelene One-Touch
1. Cooling capacities are based on indoor temperature of 27 C D.B. (80.6 F D.B.), 19.0 C W.B. (66.2 F W.B.) and outdoor air temperature of 35 C D.B. (95 F D.B.), 24 C W.B. (75.2 F W.B.) 2. Heating capacities are based on indoor temperature of 20 C D.B. (68 F D.B.) and outdoor air temperature of 7 C D.B. (44.6 F D.B.), 6 C W.B. (42.8 F W.B.)
Item Power Source (Phase, Voltage, Cycle) Unit V Hz Input Power Starting Current Running Current Maximum current Power Factor W A A A % Single Cooling; 470 (170 ~ 580) Heating; 635 (160 ~ 1020) 3.0 Cooling; 2.2 Heating; 3.0 4.8 Cooling; 93 Heating; 92 m Electronic Control Electronic Control
Power factor means total figure of compressor, indoor fan motor and outdoor fan motor. Power Cord Thermostat Protection Device Number of core Length
Note Specifications are subject to change without notice for further improvement.

CS-CE9HKEW CU-CE9HKE

ITEM UNIT kW kCal/h W/W kCal/hW dB (A) Power level dB kW kCal/h W/W kCal/hW dB (A) Power level dB l/h pt/h QLo Lo m3/min (ft3/min) m3/min (ft3/min) m3/min (ft3/min) m3/min (ft3/min) m3/min (ft3/min) Cooling; 4.5 (160) Heating; 6.1 (220) Cooling; 5.5 (190) Heating; 6.5 (230) Cooling; 7.8 (280) Heating; 8.8 (310) Cooling; 10.4 (370) Heating; 11.0 (390) Cooling; 10.95 (390) Heating; 11.7 (410) cm Height

INDOOR UNIT EUROVENT

OUTDOOR UNIT 2.60 (0.80 ~ 3.00) 2240 (690 ~ 2580) 4.41 (4.57 ~ 4.00) 3.80 (3.94 ~ 3.44)
Performance Test Condition C Capacity O O L EER I N Noise Level G H Capacity E A T COP I N Noise Level G Moisture Removal
High 39, Low 25, QLo 20 High 50, Low 36, QLo 31 3.60 (0.80 ~ 5.00) 3100 (690 ~ 4300) 4.31 (4.85 ~ 3.73) 3.71 (4.18 ~ 3.21) High 40, Low 27, QLo 24 High 51, Low 38, QLo 35 1.6 3.4

High 46 59

High 47 60
Cooling; 29.8 (1050) Heating; 29.8 (1050) Check Valve & Capillary Tube RB68A or Freol Alpha68M (320) 965 (34.1) 540 (21-9/32) 780 (30-23/32) 289 (11-13/32) 34 (75) 9.52 (3/8) 6.35 (1/4) 7.5 (24.6)

Air Volume

Me Hi SHi
Refrigeration Control Device Refrigeration Oil Refrigerant (R410A) Dimension Net Weight Pipe Diameter Standard Length Pipe Length Range Height Difference Additional Gas Amount Refrigeration Charge Less Drain Hose Inner Diameter Length Type Compressor Motor Type Rated Output W Gas Liquid Width Depth
280 (11-1/32) 799 (31-15/32) 183 (7-7/32) 9 (20)
g (oz) mm (inch) mm (inch) mm (inch) kg (lbs) mm (inch) mm (inch) m (ft) m (ft) m (ft) g/m (oz/ft) m (ft) mm mm
3 (9.8) ~ 15 (49.2) 15 (49.2) 20 (0.2) 7.5 (24.6) Hermetic Motor Brushless (6-pole) 700
OUTDOOR UNIT Propeller Fan PP Induction (6-pole) 770 / Aluminium Corrugated Fin 2 x 24 x 17 36.4 x 504 x
/ / / / / 1490 Aluminium (Pre Coat) Slit Fin 2 x 15 x 19
Item Power Source (Phase, Voltage, Cycle) Unit V Hz Input Power Starting Current Running Current Maximum current Power Factor W A A A % Single Cooling; 590 (175 ~ 750) Heating; 835 (165 ~ 1340) 3.9 Cooling; 2.8 Heating; 3.9 5.9 Cooling; 92 Heating; 93 m Electronic Control Electronic Control

CS-CE12HKEW CU-CE12HKE

ITEM UNIT kW kCal/h W/W kCal/hW dB (A) Power level dB kW kCal/h W/W kCal/hW dB (A) Power level dB l/h pt/h QLo Lo m3/min (ft3/min) m3/min (ft3/min) m3/min (ft3/min) m3/min (ft3/min) m3/min (ft3/min) Cooling; 4.6 (160) Heating; 8.0 (280) Cooling; 6.4 (230) Heating; 8.5 (300) Cooling; 8.75 (310) Heating; 10.2 (360) Cooling; 11.2 (400) Heating; 11.7 (410) Cooling; 11.7 (410) Heating; 12.1 (430) cm Height
OUTDOOR UNIT 3.50 (0.80 ~ 4.00) 3010 (690 ~ 3440) 3.83 (4.32 ~ 3.39) 3.29 (3.73 ~ 2.92)
High 42, Low 28, QLo 20 High 53, Low 39, QLo 31 4.80 (0.80 ~ 6.50) 4130 (690 ~ 5590) 3.81 (4.57 ~ 3.44) 3.28 (3.94 ~ 2.96) High 42, Low 33, QLo 30 High 53, Low 44, QLo 41 2.0 4.2

High 48 61

High 50 63
Cooling; 31.0 (1090) Heating; 31.0 (1090) Check Valve & Capillary Tube RB68A or Freol Alpha68M (320) 980 (34.6) 540 (21-9/32) 780 (30-23/32) 289 (11-13/32) 34 (75) 9.52 (3/8) 6.35 (1/4) 7.5 (24.6)
OUTDOOR UNIT Propeller Fan PP Induction (6-pole) 830 / Aluminium Corrugated Fin 2 x 24 x 17 36.4 x 504 x
/ / / / / 1550 Aluminium (Pre Coat) Slit Fin 2 x 15 x 21
Unit Single Cooling; 915 (185 ~ 1180) Heating; 1260 (175 ~ 1890) 5.8 Cooling; 4.2 Heating; 5.8 8.7 Cooling; 95 Heating; 95
Power Source (Phase, Voltage, Cycle)

10.1.1. Main Printed Circuit Board
10.1.2. Power Printed Circuit Board
10.1.3. Indicator Printed Circuit Board
10.1.4. Patrol Printed Circuit Board

10.2. Outdoor Unit

11 Installation Instruction
11.1. Select The Best Location
INDOOR UNIT Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. 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 noise prevention is taken into consideration. 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.
Rated Max Min. Max. Additional Piping size Length Elevation Piping Piping Refrigerant (m) (m) Length Length (g/m) Gas Liquid (m) (m) 7.5 7.20
11.2. Indoor/Outdoor Unit Installation Diagram
CE7HKE, 3/8 1/4 CE9HKE CE12HKE 1/2 1/4
Example: For CE7HKE If the unit is installed at 10 m distance, the quantity of additional refrigerant should be 50g. (10 - 7.5) m x 20 g/m = 50 g

11.3. Indoor Unit

11.3.1. HOW TO FIX INSTALLATION PLATE 11.3.2.
The mounting wall is strong and solid enough to prevent it from the vibration.
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.
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.

11.4.5.

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.

12 Operation 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. Cooling Operation 12.1.2.1. Thermostat control
Compressor is OFF when Intake Air Temperature - Internal Setting Temperature < -1.5 C. Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature > Compressor OFF point.
12.1.3. Soft Dry Operation 12.1.3.1. Thermostat control
12.1.4. Heating Operation 12.1.4.1. Thermostat control
Compressor is OFF when Intake Air Temperature - Internal Setting Temperature > +2.0 C. Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature < Compressor OFF point.

12.4.1. Vertical Airflow

Operation Mode Heating Airflow Direction 1 Auto with Heat Exchanger Temperature A B C D Manual Cooling and Ion Soft Dry Auto Manual Auto Manual Upward fix Downward fix Upward fix Downward fix 2 Vane Angle ( ) 10 ~ 10 ~ 4 5
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 depands 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.
12.4.2. Horizontal Airflow
The horizontal airflow direction louvers can be adjusted manually by hand.
12.5. 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. 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 (some models more than 3dB). 2. Fan speed for quiet operation is -1 step from setting fan speed.
12.6. 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, expect 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. b. Fan Speed Auto 1. Indoor FM RPM depends on pipe temp sensor of indoor heat exchanger.

12.7. Powerful Mode Operation
When the powerful mode is selected, the internal setting temperature will shift lower up to 2 C (for Cooling/Soft Dry) or higher up to 3.5 C (for Heating) than remote control setting temperature for 20 minutes to achieve the setting temperature quickly.

12.8. Timer Control

12.8.1. 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.
12.8.2. OFF Timer Control
OFF timer can be set using remote control, the unit with timer set will stop operate at set time.
12.9. 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.

12.10. Indication Panel

LED Color Light ON Light OFF POWER Green Operation ON Operation OFF TIMER Orange Quiet Setting ON Quiet Setting OFF QUIET Orange Quiet Mode ON Quiet Mode OFF POWERFUL Orange Powerful Mode ON Powerful Mode OFF e-ion Blue e-ion ON e-ion OFF PATROL SENSOR Blue PATROL ON PATROL OFF
Note: If POWER LED is blinking, the possible operation 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 e-ion LED is blinking, there is an abnormality of e-ion occurs. If PATROL LED is blinking, there is a gas sensor error detection.

12.11. Patrol Operation

A. Purpose To monitor air dirtiness level by using gas sensor and activates e-ion operation whenever air is dirty. B. Control Condition a. Patrol operation start condition When the unit operation is started with OFF/ON button. When the unit stops, Patrol button is pressed, Patrol individual operation will start. During cooling only operation, Patrol button is pressed. b. Patrol operation stop condition When any of the following condition is fulfilled: When OFF/ON button is pressed. During any operation with Patrol, Patrol button is pressed again. When e-ion button is pressed. When OFF Timer activates.

c. Patrol operation disable To disable the Patrol Operation during unit start (default) with OFF/ON button, press Patrol button and hold for 5 seconds, then release. To disable the Patrol Operation, press Patrol button and hold for 15 seconds, then release. C. Control Content a. Gas Sensor Control First 2 minutes from Patrol function activates is stabilization time, during stabilization time, no air dirtiness level is monitored. The Air Dirtiness level is set to level 2. After that, gas sensor starts to record the resistance value at fixed interval. Higher resistance value indicates cleaner air. The air dirtiness level is monitored by comparing the current resistance value with maximum resistance value from time to time to get the Air Dirtiness Value. There are 3 air dirtiness levels, based on the Air Dirtiness Value: - Air Dirtiness level 0: Clean - Air Dirtiness level 1: Moderate - Air Dirtiness level 2: Contaminated
Dirtiness level sensitivity adjustment It is possible to change the gas sensor sensitivity, where the Threshold value (G1 ~ G4) will be shifted accordingly: 1. Press and release SET buttton. 2. Press Timer increment / Timer decrement button to select sensitivity. (Low Standard (Default) High) 3. Confirm setting by pressing Timer Set button. LCD returned to original display after 2 seconds. 4. LCD returned to original display if remote control does not operate for 30 seconds. b. e-ion Control When dirtiness level is 1 or 2, e-ion operation starts. If dirtiness level improves from level 2 to level 1, the unit carries out level change after 60 seconds. When dirtiness level returns to level 0 continuously for 10 minutes or more, e-ion operation stops. Dirtiness Level Shift For Auto Fan Speed, the fan speed increased based on dirtiness level:
c. Indoor Fan Control During any operation mode combines with Patrol operation, fan speed follows respective operation mode. During Patrol individual operation if e-ion starts, only Auto Fan Speed and no Powerful operation is allowed. Even if Fan Speed button is pressed, no signal is sent to air conditioner, and no change on LCD display. During Patrol individual operation if e-ion stops, Indoor Fan stop operation. d. Airflow direction (Horizontal, Vertical) Control During any operation mode combines with Patrol operation, airflow direction follows respective operation mode. During Patrol individual operation if e-ion starts, only Auto Air Swing is allowed. Even if Air Swing button is pressed, no signal is sent to air conditioner, and no change on LCD display. During Patrol individual operation if e-ion stops, Airflow direction louver closed.

e. Indicator When Patrol operation starts, Patrol Sensor indicator ON. When e-ion operation starts based on dirtiness level, e-ion indicator ON. f. Remote Control Receiving Sound Patrol Mode Normal Operation Stop Patrol Mode Normal Operation Patrol Mode Patrol Stop

: : : :

Beep Long Beep Beep Beep
g. Timer Control When ON timer activates when unit stops, previous operation resumes without Patrol operation. When ON timer activates during any operation, no change and carry on current operation. When OFF timer activates during any operation, all operation stops. h. Power failure During Patrol individual operation, if power failure occurs, after power resumes, Patrol individual operation resumes immediately. During combination operation, if power failure occurs, after power resumes combination operation resume immediately.

12.12. e-ion Operation

A. Purpose This operation provides clean air by producing negative ions to attract dust captured at the positively charged e-ion filters. B. Control Condition a. e-ion operation start condition During unit running at any operation mode, if e-ion button is pressed, combination operation (operation mode + e-ion operation) starts. During unit is OFF, if e-ion button is pressed, e-ion individual operation starts. b. e-ion operation stop condition When OFF/ON button is pressed to stop the operation. When e-ion button is pressed again. When Patrol button is pressed. When OFF Timer activates. c. e-ion operation pause condition When indoor fan stop (during deice, odor cut control, thermostat off, etc.). e-ion operation resume after indoor fan restarts. When indoor intake temperature 40 C. e-ion operation resume after indoor intake temperature < 40 C continuously for 30 minutes.
C. Control Content a. Indoor fan control During any operation mode combines with e-ion operation, fan speed follows respective operation mode. During e-ion individual operation - only Auto Fan Speed and no Powerful operation is allowed. Even if Fan Speed button is pressed, no signal is sent to air conditioner, and no change on LCD display. Auto Fan Speed for e-ion operation switches between HLo and CLo at pattern below:
b. Airflow direction control During any operation mode combines with e-ion operation, airflow direction follows respective operation mode. During e-ion individual operation, only Auto Air Swing is allowed. Even if Air Swing button is pressed, no signal is sent to air conditioner, and no change on LCD display. c. Timer control When ON timer activates when unit stops, previous operation resumes without e-ion operation. When ON timer activates during any operation, no change and carry on current operation. When OFF timer activates during any operation, all operation stops. d. Indicator When e-ion operation starts, e-ion indicator ON. e. e-ion Check Mode To check if e-ion is malfunctioning, during e-ion operation press e-ion button for 15 seconds and release to enter e-ion Check Mode and supplies power to the e-ion Air Purifying System. If abnormal discharge is detected at filter (short-circuited) due to water or dust adhesion, etc., the e-ion indicator blinks immediately. f. Power failure During e-ion individual operation, if power failure occurs, after power resumes, e-ion individual operation resumes immediately. During combination operation, if power failure occurs, after power resumes, combination operation resume immediately.

Operation Mode Cooling and e-ion Airflow Direction 1 Auto Manual 2 Vane Angle ( ) ~ 4 5
13.2.5. Dew Prevention Control 2
To prevent dew formation at indoor unit discharge area. This control starts if all conditions continue for 20 minutes: - Operated with Cooling or Soft Dry Mode. - Indoor intake temperature is between 25 C and 29 C. - Outdoor air temperature is less than 30 C. - Quiet Lo fan speed. This control stopped if: - When receive air swing change signal from Remote Control. The horizontal louver will be fixed at 24 (regardless of Auto or Manual Airflow Direction Setting).
13.3. Protection Control For Heating Operation
13.3.1. Intake Air Temperature Control
Compressor will operate at Max freq. if either one of the below conditions occur: 1. When the indoor intake air temperature is 30 C or above.
13.3.2. Outdoor Air Temperature Control
The Max current value is regulated when the outdoor air temperature rise above 16 C in order to avoid compressor overloading.
13.3.3. Overload Protection Control
The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below. If the heat exchanger temperature exceeds 60 C, compressor will stop.
13.3.4. Low Temperature Compressor Oil Return Control
In heating operation, if the outdoor temperature falls below -10 C when compressor starts, the compressor frequency will be regulated up to 600 seconds.
13.3.5. Cold Draught Operation
When indoor pipe temperature is low, cold draught operation start where indoor fan speed will be reduced.

13.3.6. Deice Operation

When outdoor pipe temperature and outdoor air temperature is low, deice operation start where indoor fan motor and outdoor fan motor stop and operation LED blinks.

14 Servicing Mode

14.1. Auto OFF/ON Button
1. AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction. 2. TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE) The Test Run operation will be activated if the Auto OFF/ON button is pressed continuously for more than 5 seconds. A beep sound will heard at the fifth seconds, in order to identify the starting of Test Run operation (Forced cooling operation). Within 5 minutes after Forced cooling operation start, the Auto OFF/ON button is pressed for more than 5 seconds. A 2 beep sounds will heard at the fifth seconds, in order to identify the starting of Forced heating operation. The Auto OFF/ON button may be used together with remote control to set / change the advance setting of air conditioner operation.

To clear memorized error (Protective operation) status after repair: 1. Turn power on (in standby condition). 2. Press the AUTO button for 5 seconds (A beep receiving sound) on the main unit to operate the unit at Forced Cooling Operation modes. 3. Press the CHECK button on the remote controller for about 1 second with a pointed object to transmit signal to main unit. A beep sound is heard from main unit and the data is cleared. Temporary Operation (Depending on breakdown status) 1. Press the AUTO button (A beep receiving sound) on the main unit to operate the unit. (Remote control will become possible.) 2. The unit can temporarily be used until repaired.
Error Code H23 H27, H28 Operation Cooling Cooling, Heating Temporary items Emergency Operation with limited power

15.3. Error Codes Table

Diagnosis display H00 H11 H12 H14 H15 H16 H19 H23 H25 H27 H28 Abnormality / Protection control 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 lock Indoor heat exchanger temperature sensor abnormality E-Ion breakdown Outdoor air temperature sensor abnormality Outdoor heat exchanger temperature sensor abnormality Indoor/Outdoor wrong connection Indoor/outdoor mismatch (brand code) Abnormal gas sensor Indoor high pressure protection Indoor heat exchanger anti-freezing protection Cooling / Heating cycle changeover abnormality PFC control Refrigeration cycle abnormal Outdoor compressor abnormal revolution Cool high pressure protection IPM (power transistor) overheating protection Outdoor compressor overheating protection Total running current protection Outdoor Direct Current (DC) peak detection Abnormality Judgement > 1 min after starting operation Continue for 5 sec. Continue for 5 sec. 7 times occurance continuously. Continue for 5 sec. Continue for 5 sec. Continue for 5 sec. Emergency operation Normal operation Indoor fan operation only 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) Indoor PCB E-Ion PCB Outdoor temperature sensor (defective or disconnected) Outdoor heat exchanger temperature sensor (defective or disconnected) Indoor/Outdoor supply voltage Gas sensor (defective or disconnected) 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) Outdoor 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 Primary location to verify

TC - Total Cooling Capacity (kW) SHC - Sensible Heat Capacity (kW) IP - Input Power (kW) Indoor 27 C/19 C Outdoor 35 C/24 C
18 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.

REF. NO. FAN MOTOR

PART NAME & DESCRIPTION CHASSY COMPLETE CROSS FLOW FAN COMPLETE BEARING ASSY SCREW - CROSS FLOW FAN EVAPORATOR FLARE NUT (1/4) FLARE NUT (3/8) (1/2) CLIP FOR SENSOR DISCHARGE GRILLE COMPLETE VERTICAL VANE CONNECTING BAR CONNECTING BAR CONNECTING BAR AIR SWING MOTOR CAP - DRAIN TRAY HORIZONTAL VANE COMPLETE BACK COVER CHASSIS CONTROL BOARD CASING TERMINAL BOARD COMPLETE ELECTRONIC CONTROLLER - MAIN ELECTRONIC CONTROLLER - POWER SENSOR COMPLETE CONTROL BOARD FRONT COVER INDICATOR COMPLETE INDICATOR HOLDER INDICATOR HOLDER CONTROL BOARD FRONT COVER CO. REMOTE CONTROL CO. FRONT GRILLE COMPLETE INTAKE GRILLE COMPLETE GRILLE DOOR COMPLETE E-ION FILTER SCREW - FRONT GRILLE CAP - FRONT GRILLE DRAIN HOSE INSTALLATION HOLDER BAG COMPLETE - INSTALLATION SCREW FULCRUM E-ION AIR PURIFYING SYSTEM ION - GENERATOR OPERATION INSTRUCTIONS INSTALLATION INSTRUCTIONS (ENG) INSTALLATION INSTRUCTIONS (SWE, NOR, DAN, FIN)

QTY. 1 1

CS-CE7HKEW CWD50C1572 ARW61F8P30AC CWH02C1045 CWH64K007 CWH551146 CWB30C2484 CWT251030 CWT251031 CWH32143 CWE20C2621 CWE241157 CWE261092 CWE261071 CWE261091 CWA981091 CWH521096 CWE24C1176 CWD932454 CWH102321 CWA28C2305 CWA73C2957 CWA745131 CWA50C2122 CWH131207 CWE39C1168 CWD932744 CWD932745 CWH13C1171 CWA75C3177 CWE11C3896 CWE22C1415 CWE14C1010 CWD00K1004 XTT4+16CFJ CWH521109 CWH851063 CWH361067 CWH82C067 CWH621049 CWH14C5332 CWH94C0014 CWF565860 CWF613375 CWF613376

CS-CE9HKEW

CS-CE12HKEW REMARKS

CWB30C2386

CWB30C2389 CWT251032
O CWA73C3018 CWA73C3019 O O O O
(NOTE) All parts are supplied from PHAAM, Malaysia (Vendor Code: 061). O marked parts are recommended to be kept in stock.

18.2. Outdoor Unit

REF. NO. 43
PART NAME & DESCRIPTION CHASSY ASSY SOUND PROOF MATERIAL FAN MOTOR BRACKET SCREW - FAN MOTOR BRACKET FAN MOTOR SCREW - FAN MOTOR MOUNT PROPELLER FAN ASSY NUT - PROPELLER FAN COMPRESSOR CRANKCASE HEATER ANTI - VIBRATION BUSHING NUT - COMPRESSOR MOUNT CONDENSER TUBE ASSY CO. (CAP. / CHK VALVE) HOLDER COUPLING 2-WAYS VALVE (LIQUID) 3-WAYS VALVE (GAS) REACTOR TERMINAL COVER NUT - TERMINAL COVER SOUND PROOF BOARD SOUND PROOF MATERIAL SOUND PROOF MATERIAL SENSOR COMPLETE CONTROL BOARD COVER ELECTRONIC CONTROLLER - MAIN TERMINAL BOARD ASSY CABINET SIDE PLATE CO. SENSOR COMPLETE CABINET SIDE PLATE CABINET FRONT PLATE CO. CABINET TOP PLATE PLATE - C. B. COVER CONTROL BOARD COVER CO. HANDLE 4-WAYS VALVE V - COIL COMPLETE WIRE NET L - TUBE PACKING - L. TUBE HOLDER SENSOR SOUND PROOF MATERIAL DISCHARGE MUFFLER