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.

1. 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. 2. Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture. 3. Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare may break and cause refrigerant gas leakage. 4. Do not touch outdoor unit air inlet and aluminium fin. It may cause injury. 5. Select an installation location which is easy for maintenance. 6. Pb free solder has a higher melting point than standard solder; typically the melting point is 50F - 70F (30C - 40C) higher. Please use a high temperature solder 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). 7. 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. i. Power supply connection to the receptacle using a power plug. Use an approved power plug with earth pin for the connection to the socket. ii. 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. 8. Do not release refrigerant during piping work for installation, servicing, reinstallation and during repairing a refrigerant parts. Take care of the liquid refrigerant, it may cause frostbite. 9. Installation work: It may need two people to carry out the installation work. 10. Do not install this appliance in a laundry room or other location where water may drip from the ceiling, etc.

2 Specifications

2.1. CS-CE7HKEW CU-CE7HKE
ITEM Performance Test Condition C Capacity O O L EER I N G Noise Level H Capacity E A T COP I N Noise Level G Moisture Removal QLo Lo Air Volume Me Hi SHi Refrigeration Control Device Refrigeration Oil Refrigerant (R410A) Height 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 cm3 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 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 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; 5.25 (190) Cooling; 5.35 (190) Heating; 5.9 (210) Cooling; 7.5 (270) Heating; 8.45 (300) Cooling; 10.2 (360) Heating; 10.7 (380) Cooling; 10.6 (370) Heating; 11.1 (390) 280 (11-1/32) 799 (31-15/32) 183 (7-7/32) 9 (20) 9.52 (3/8) 6.35 (1/4) 7.5 (24.6) 3 (9.8) ~ 15 (49.2) 15 (49.2) 20 (0.2) 7.5 (24.6) Hermetic Motor Brushless (6-pole) 650 UNIT INDOOR UNIT EUROVENT 2.05 (0.70 ~ 2.40) 1760 (600 ~ 2060) 4.36 (4.12 ~ 4.14) 3.74 (3.53 ~ 3.55) High 37, Low 24, QLo 20 High 48, Low 35, QLo 31 2.80 (0.70 ~ 4.00) 2410 (600 ~ 3440) 4.41 (4.38 ~ 3.92) 3.80 (3.75 ~ 3.37) High 38, Low 25, QLo 22 High 49, Low 36, QLo 33 1.3 2.7 Cooling; 28.8 (1020) Heating; 28.8 (1020) Check Valve & Capillary Tube RB68A or Freol Alpha68M (320) 790 (27.9) 540 (21-9/32) 780 (30-23/32) 289 (11-13/32) 33 (73) High High OUTDOOR UNIT

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)
Input Power Starting Current Running Current Maximum current Power Factor

W A A A %

Power factor means total figure of compressor, indoor fan motor and outdoor fan motor. Power Cord Thermostat Protection Device Number of core Length m Electronic Control Electronic Control

Outdoor Unit: CU-2E15GBE

Outdoor Unit: CU-3E18EBE
Outdoor Unit: CU-3E23CBPG CU-4E27CBPG

3 Features

Inverter Technology - Wider output power range - Energy saving - Quick Cooling - Quick Heating - More precise temperature control E-ion Air Purifying System with Patrol Sensor - Active e-ions are released to catch dust particles and bring them back the large positively charged filter Environment Protection - Non-ozone depletion substances refrigerant (R410A) Long Installation Piping - CS/CU-CE7/9/12HK, long piping up to 15 meters Easy to use remote control Quality Improvement - Random auto restart after power failure for safety restart operation - Gas leakage protection - Prevent compressor reverse cycle - Inner protector to protect Compressor - Noise prevention during soft dry operation Operation Improvement - Quiet mode to reduce the indoor unit operating sound - Powerful mode to reach the desired room temperature quickly - 24-hour timer setting Serviceability Improvement - Breakdown Self Diagnosis function
Multi Split Combination Possibility: - A single outdoor unit enables air conditioning of up to two separate rooms for CU-2E15GBE, CU-2E18CBPG. - A single outdoor unit enables air conditioning of up to three separate rooms for CU-3E18EBE, CU-3E23CBPG. - A single outdoor unit enables air conditioning of up to four separate rooms for CU-4E27CBPG.
4 Location of Controls and Components

4.1. Indoor Unit

Outdoor Unit

Remote Control

5 Dimensions

5.1. Indoor Unit

6 Refrigeration Cycle Diagram
Piping size Model CE7HK, CE9HK, CE12HK Gas 3/8 Liquid 1/4

Rated Length (m) 7.5

Common Length (m) 7.5

Max. Elevation (m) 15

Min. Piping Length (m) 3
Max. Piping Length (m) 15
Additional Refrigerant (g/m) 20
If piping length is over common length, additional refrigerant should be added as shown in the table.

7 Block Diagram

8 Wiring Connection Diagram

8.1. Indoor Unit

9 Electronic Circuit Diagram

9.1. Indoor Unit

10 Printed Circuit Board

10.1. Indoor Unit

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.

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 and left bottom piping also.)

11.3.4.

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 mm2 flexible cord, type designation 245 IEC 57 or heavier cord. Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoors respectively. Earth lead wire shall be longer than the other lead wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage.
Secure the cable onto the control board with the holder (clamper).
11.3.4.1. WIRE STRIPPING AND CONNECTING REQUIREMENT

11.4. Outdoor Unit

11.4.1. INSTALL THE OUTDOOR UNIT
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 (10 mm). 2. When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails.

11.4.2.

CONNECTING THE PIPING
Connecting The Piping To Indoor Unit Please make flare after inserting flare nut (locate at joint portion of tube assembly) onto the copper pipe (in case of using long piping). Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers. Further tighten the flare nut with torque wrench in specified torque as stated in the table.
Model CE7HKE, CE9HKE CE12HKE Piping size (Torque) Gas 3/8 [42 N m] 1/2 [55 N m] Liquid 1/4 [18 N m) 1/4 [18 N m)
Do not over tighten, over tightening cause gas leakage.
Connecting The Piping To Outdoor Unit Decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. Make flare after inserting the flare nut (locate at valve) onto the copper pipe. Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table. CUTTING AND FLARING THE PIPING 1. Please cut using pipe cutter and then remove the burrs. 2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3. Please make flare after inserting the flare nut onto the copper pipes.

11.4.3.

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.

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.
12.1.5. Automatic Operation
This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode, indoor intake air temperature and outdoor air temperature. During operation mode judgment, indoor fan motor (with speed of Lo-) and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature. The operation mode is decided based on below chart.
Every 30 minutes, the indoor and outdoor temperature is judged. Based on remote control setting temperature, the value of T1 will increase up to 10 C, T2 will decrease by 3 C and T3 will decrease up to 8 C. The Auto Operation Mode shifting will take place whenever operation mode changed from Cool/Soft Dry to Heating or vice versa.
12.2. Indoor Fan Motor Operation
A. Basic Rotation Speed (rpm) i. Manual Fan Speed [Cooling, Dry] Fan motors number of rotation is determined according to remote control setting.
Remote Control Tab (rpm) O SHi O Me+ O Me O MeO Lo
[Heating] Fan motors number of rotation is determined according to remote control setting.
Remote Control Tab (rpm) O Hi O Me+ O Me O MeO Lo
ii. Auto Fan Speed [Cooling, Dry] According to room temperature and setting temperature, indoor fan speed is determined automatically. The indoor fan will operate according to pattern below.

13.2.2. Cooling Overload Control
Detects the Outdoor pipe temperature and carry out below restriction/limitation (Limit the compressor Operation frequency) The compressor stop if outdoor pipe temperature exceeds 61 C If the compressor stops 4 times in 20 minutes, Timer LED blinking (F95 indicated: outdoor high pressure rise protection)
13.2.3. Freeze Prevention Control
1. 2. 3. 4. When indoor heat exchanger temperature is lower than 0 C continuously for 6 minutes, compressor will stop operating. Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 13 C. At the same time, indoor fan speed will be higher than during its normal operation. If indoor heat exchanger temperature is higher than 13 C for 5 minutes, the fan speed will return to its normal operation.
13.2.4. Dew Prevention Control 1
To prevent dew formation at indoor unit discharge area. This control will be activated if: - Outdoor air temperature and Indoor pipe temperature judgment by microcontroller is fulfilled. - When Cooling or Dry mode is operated more than 20 minutes or more. This control stopped if: - Compressor stopped. - Remote control setting changed (fan speed / temperature). - Outdoor air temperature and indoor intake temperature changed. Fan speed, angle of louver (vertical airflow angle) will be adjusted accordingly in this control. - Fan speed will be increased slowly if the unit is in quiet mode but no change in normal cooling mode. - The angle of horizontal louver will be changed as table below:
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.
3. REMOTE CONTROL NUMBER SWITCH MODE The Remote Control Number Switch Mode will be activated if the Auto OFF/ON button is pressed continuously for more than 11 seconds (3 beep sounds will occur at 11th seconds to identify the Remote Control Number Switch Mode is in standby condition) and press any button at remote control to transmit and store the desired transmission code to the EEPROM. For transmission code selection explanation, please refer to Select Remote Control Transmission Code. 4. REMOTE CONTROL RECEIVING SOUND OFF/ON MODE The Remote Control Receiving Sound OFF/ON Mode will be activated if the Auto OFF/ON button is pressed continuously for more than 16 seconds (4 beep sounds will occur at 16th seconds to identify the Remote Control Receiving Sound Off/On Mode is in standby condition) and press AC Reset button and then press Check button at remote control. Press Auto OFF/ON button to toggle remote control receiving sound. - Short beep: Turn OFF remote control receiving sound. - Long beep: Turn ON remote control receiving sound. After Auto OFF/ON Button is pressed, the 20 seconds counter for Remote Control Receiving Sound OFF/ON Mode is restarted.

14.2. Select Remote Control Transmission Code
There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor unit. The indoor unit will only operate when received signal with same transmission code from remote control. This could prevent signal interference when there are 2 or more indoor units installed nearby together. To change remote control transmission code, short or open jumpers at the remote control printed circuit board.
Remote Control Printed Circuit Board Jumper A (J-A) Jumper B (J-B) Remote Control No. Short Open A (Default) Open Open B Short Short C Open Short D
During Remote Control Number Switch Mode, press any button at remote control to transmit and store the transmission code to the EEPROM.
14.3. Remote Control Button

14.3.1. SET BUTTON

To check current remote control transmission code - Press for more than 10 seconds. To change the air quality sensor sensitivity - Press and release with pointer. - Press the Timer Decrement button to select sensitivity: 1. Low Sensitivity 2. Standard (Default) 3. Hi Sensitivity - Confirm setting by pressing Timer Set button, a Beep sound will be heard. LCD returns to original display after 2 seconds. - LCD returns to original display if remote control does not operate for 30 seconds.

14.3.2. CLOCK BUTTON

To change the remote controls time format - Press for more than 5 seconds.

14.3.3. RESET (RC)

To clear and restore the remote control setting to factory default - Press once to clear the memory.

14.3.4. RESET (AC)

To restore the units setting to factory default - Press once to restore the units setting.

14.3.5. TIMER

To change indoor unit indicators LED intensity - Press continuously for 5 seconds.

14.3.6. TIMER

To change remote control display from Degree Celsius ( C) to Degree Fahrenheit ( F). - Press continuously for 10 seconds.

15 Troubleshooting Guide

15.1. 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 on the right.
15.1.1. Relationship between the condition of the air conditioner and pressure and electric current
Cooling Mode Condition of the air conditioner Electric current during operating Heating Mode Electric current during operating

Low Pressure

230V Indoor wet bulb temp. 17.0 C 19.0 C 19.5 C 22.0 C 2.23 2.43 1.61 1.67 0.44 0.TC 2.03 SHC 1.54 IP 0.43 TC 1.90 2.05 2.09 2.27 1.55 1.SHC 1.48 IP 0.46 0.47 0.47 0.48 1.94 2.12 1.49 1.55 0.50 0.51 1.77 1.92 1.42 1.48 0.54 0.55 TC 1.77 Outdoor Temp. ( C) 40 SHC 1.42 IP 0.50 TC 1.SHC 1.35 IP 0.53
230V Indoor wet bulb temp. 17.0 C 19.0 C 19.5 C 22.0 C 2.83 3.09 2.05 2.12 0.55 0.TC 2.58 SHC 1.96 IP 0.54 TC 2.41 2.60 2.65 2.88 1.97 2.SHC 1.88 IP 0.58 0.59 0.59 0.60 2.46 2.68 1.89 1.97 0.63 0.64 2.24 2.44 1.80 1.88 0.68 0.70 TC 2.24 Outdoor Temp. ( C) 40 SHC 1.80 IP 0.62 TC 2.SHC 1.71 IP 0.67
230V Indoor wet bulb temp. 17.0 C 19.0 C 19.5 C 22.0 C 3.81 4.15 2.76 2.86 0.86 0.TC 3.47 SHC 2.63 IP 0.84 TC 3.24 3.50 3.56 3.88 2.65 2.SHC 2.52 IP 0.91 0.92 0.92 0.94 3.31 3.61 2.55 2.65 0.99 1.01 3.01 3.28 2.43 2.53 1.07 1.08 TC 3.02 Outdoor Temp. ( C) 40 SHC 2.43 IP 0.97 TC 2.SHC 2.30 IP 1.05
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

Press CLOCK 4 p CLOCK Tryck ner CLOCK Trykk p CLOCK Paina CLOCK-painiketta Tryk
5 Set time Stll in tiden Still inn klokken Aseta aika Indstil klokkeslt 6 Conrm Bekrfta Bekreft Vahvista Bekrft

AUTO DRY HEAT COOL

Select the desired mode. Vlj nskat lge. Velg nsket modus. Valitse haluamasi toimintatila. Vlg den nskede tilstand.
Start/stop the operation. Starta/stoppa. Start/stopp driften. Kynnist/sammuta laite. Start/stop driften.
Select the desired temperature. Vlj nskad temperatur. Velg nsket temperatur. Valitse haluamasi lmptila. Vlg den nskede temperatur.
Pursuant to at the directive 2004/108/EC, article 9(2) Panasonic Testing Centre Panasonic Service Europe, a division of Panasonic Marketing Europe GmbH Winsbergring 15, 22525 Hamburg, F.R. Germany
Matsushita Electric Industrial Co., Ltd.
Web Site: http://www.panasonic.co.jp/global/ F565860 Printed in Malaysia OFTK0709-00