Panasonic CS-PE9RKE Service Manual
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Panasonic CS-PE9RKE Service Manual

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(PE9/12RKE)
(UE9/12RKE)
(UE18RKE)
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the products dealt with in this service information by anyone else could result in serious injury or death.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
WARNING
PRECAUTION OF LOW TEMPERATURE
Indoor Unit
CS-PE9RKE
CS-PE12RKE
CS-UE9RKE
CS-UE12RKE
CS-UE18RKE
Order No: PAPAMY1501054CE
Outdoor Unit
CU-PE9RKE
CU-PE12RKE
CU-UE9RKE
CU-UE12RKE
CU-UE18RKE
Destination
Europe
E.Europe
Turkey
© Panasonic Corporation 2015.

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Summary of Contents for Panasonic CS-PE9RKE

  • Page 1 PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit. © Panasonic Corporation 2015.

  • Page 2: Table Of Contents

    Fan and Indoor Fan Motor Removal Block Diagram ..........21     Procedures ..........96   16.3 Outdoor Electronic Controller Removal   CS-PE9RKE CU-PE9RKE   Procedure ..........100   CS-PE12RKE CU-PE12RKE CS-UE9RKE CU-UE9RKE Technical Data ..........102     CS-UE12RKE CU-UE12RKE ..... 21  ...

  • Page 3: Safety Precautions

    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. ...
  • Page 4 WARNING During pump down operation, stop the compressor before remove the refrigeration piping. (Removal of compressor while compressor is operating and valves are opened will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.) After completion of installation or service, confirm there is no leakage or refrigerant gas.

  • Page 5: Specifications

    2. Specifications Indoor CS-PE9RKE CS-PE12RKE Model Outdoor CU-PE9RKE CU-PE12RKE Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.85 2.50 3.00 0.85 3.50 3.90 Capacity BTU/h 2900 8530 10200 2900...
  • Page 6 Indoor CS-PE9RKE CS-PE12RKE Model Outdoor CU-PE9RKE CU-PE12RKE Type Hermetic Motor / Rotary Hermetic Motor / Rotary Compressor Motor Type Brushless (6-poles) Brushless (6-poles) Output Power Type Cross-Flow Fan Cross-Flow Fan Material ASG20K1 ASG20K1 Motor Type DC / Transistor (8 poles)
  • Page 7 Indoor CS-PE9RKE CS-PE12RKE Model Outdoor CU-PE9RKE CU-PE12RKE Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) 6.35 (1/4) / 9.52 (3/8) Standard length m (ft) 5.0 (16.4) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 15 (49.2) 3 (9.8) ~ 15 (49.2)
  • Page 8 Indoor CS-UE9RKE CS-UE12RKE Model Outdoor CU-UE9RKE CU-UE12RKE Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.85 2.50 3.00 0.85 3.50 3.90 Capacity BTU/h 2900 8530 10200 2900 11900 13300 kcal/h 2150 2580...
  • Page 9 Indoor CS-UE9RKE CS-UE12RKE Model Outdoor CU-UE9RKE CU-UE12RKE Type Hermetic Motor / Rotary Hermetic Motor / Rotary Compressor Motor Type Brushless (6-poles) Brushless (6-poles) Output Power Type Cross-Flow Fan Cross-Flow Fan Material ASG20K1 ASG20K1 Motor Type DC / Transistor (8 poles) DC / Transistor (8 poles) Input Power 47.3...
  • Page 10 Indoor CS-UE9RKE CS-UE12RKE Model Outdoor CU-UE9RKE CU-UE12RKE Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) 6.35 (1/4) / 9.52 (3/8) Standard length m (ft) 5.0 (16.4) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 15 (49.2) 3 (9.8) ~ 15 (49.2) I/D &...
  • Page 11 Indoor CS-UE18RKE Model Outdoor CU-UE18RKE Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply Min. Mid. Max. 0.98 5.00 5.60 Capacity BTU/h 3340 17100 19100 kcal/h 4300 4820 Running Current – 6.90 – Input Power 1.54k 1.75k Annual Consumption –...
  • Page 12 Indoor CS-UE18RKE Model Outdoor CU-UE18RKE Type Hermetic Motor / Rotary Compressor Motor Type Brushless (4-poles) Output Power Type Cross-Flow Fan Material ASG20K1 Motor Type DC / Transistor (8 poles) Input Power 94.8 Output Power Cool Heat Cool Heat 1070 Cool 1080 Speed Heat...
  • Page 13 Indoor CS-UE18RKE Model Outdoor CU-UE18RKE Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 12.70 (1/2) Standard length m (ft) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 15 (49.2) I/D & O/D Height different m (ft) 15.0 (49.2) Additional Gas Amount...

  • Page 14: Features

    3. Features  Inverter Technology Wider output power range Energy saving Quick Cooling Quick Heating More precise temperature control  Environment Protection Non-ozone depletion substances refrigerant (R410A)  Long Installation Piping CS/CU-PE9/12RKE, CS/CU-UE9/12/18RKE, long piping up to 15 meters  Easy to use remote control ...

  • Page 15: Location Of Controls And Components

    4. Location of Controls and Components Indoor Unit Air Purifying Filter (For UE9/12/18RK only) Air Filters Auto OFF/ON button • Use when remote control is misplaced Front panel or malfunction occurs. Aluminium Fin INDICATOR (Green) POWER (Orange) TIMER (Orange) POWERFUL Horizontal Airflow (Orange) QUIET...

  • Page 16: Dimensions

    5. Dimensions Indoor Unit & Remote Control 5.1.1 CS-PE9RKE CS-PE12RKE CS-UE9RKE CS-UE12RKE <Top View> <Side View> <Side View> <Front View> Air intake direction Left piping Air outlet Right piping hole direction hole <Bottom View> <Remote Control> <Rear View> (41 ~ 61) <Remote Control Holder>...
  • Page 17 5.1.2 CS-UE18RKE <Top View> <Side View> <Side View> <Front View> Air intake direction Air outlet 1070 Left piping Right piping hole direction hole <Bottom View> <Remote Control Transmitter> Gas side <Back View> Liquid side <Remote Control Holder> (41~61) Relative position between the indoor unit and the installation plate <Front View> 13.3 Installation plate...

  • Page 18: Outdoor Unit

    Outdoor Unit 5.2.1 CU-PE9RKE CU-PE12RKE CU-UE9RKE CU-UE12RKE <Top View> 67.6 24.4 (104.7) 104.9 60.5 Space necessary for installation 100 mm 100 mm 1000 mm Anchor Bolt Pitch 320 × 570 <Side View> 11.5 <Side View> <Front View> 3-way valve at Gas side Unit : mm (Low Pressure) 2-way valve at Liquid side...
  • Page 19 5.2.2 CU-UE18RKE <Top View> Space necessary for 68.7 installation (124 ) (62.6) 100mm 100mm 1000mm Anchor Bolt Pitch 330 × 540 <Side View> <Side View> <Front View> 3-way valve at Gas side Unit : mm (Low Pressure) 2-way valve at Liquid side (High Pressure)

  • Page 20: Refrigeration Cycle Diagram

    6. Refrigeration Cycle Diagram INDOOR OUTDOOR UE18RK PIPE LIQUID TEMP. EXPANSION SIDE SENSOR VALVE *MUFFLER *STRAINER 2-WAY VALVE UE/PE9/12RK CHECK CAPILLARY VALVE TUBE INTAKE PIPE TEMP. TEMP. SENSOR SENSOR INTAKE HEAT EXCHANGER TEMP. (CONDENSER) SENSOR HEAT EXCHANGER (EVAPORATOR) SIDE 4-WAYS VALVE 3-WAY MUFFLER VALVE...

  • Page 21: Block Diagram

    7. Block Diagram CS-PE9RKE CU-PE9RKE CS-PE12RKE CU-PE12RKE CS-UE9RKE CU-UE9RKE CS-UE12RKE CU-UE12RKE...

  • Page 22: Cs-Ue18Rke Cu-Ue18Rke

    CS-UE18RKE CU-UE18RKE...

  • Page 23: Wiring Connection Diagram

    8. Wiring Connection Diagram Indoor Unit 8.1.1 CS-PE9RKE CS-PE12RKE CS-UE9RKE CS-UE12RKE GROUNDING TERMINAL ELECTRONIC CONTROLLER (MAIN) SW01 TERMINAL CN-RMT BOARD (WHT) FUSE301 T3.15A L250V RY-PWR2 AC303 (WHT) TEMP. FUSE UP DOWN AC304 CN-STM1 102°C (3A) LOUVER MOTOR (RED) (WHT) TEMP.
  • Page 24 8.1.2 CS-UE18RKE GROUNDING TERMINAL ELECTRONIC CONTROLLER (MAIN) SW01 TERMINAL CN-RMT BOARD (WHT) FUSE301 T3.15A L250V RY-PWR2 UP DOWN CN-STM1 LOUVER MOTOR (WHT) AC303 (WHT) TEMP. FUSE AC304 102°C (3A) (RED) TEMP. G301 OUTDOOR FUSE NOISE (GRN) UNIT 102°C (3A) FILTER CIRCUIT LEFT RIGHT CN-STM2...

  • Page 25: Outdoor Unit

    Outdoor Unit 8.2.1 CU-PE9RKE CU-PE12RKE CU-UE9RKE CU-UE12RKE TO INDOOR UNIT REACTOR TERMINAL BOARD RAT2 RAT1 (GRY) (GRY) FUSE104 OUTDOOR AIR TEMP. (15A 250V) DATA SENSOR (RED) (THERMISTOR) CN-TH NOISE (WHT) FILTER COMMUNICATION AC-BLK CIRCUIT PIPING TEMP. SENSOR CIRCUIT (BLK) (THERMISTOR) FUSE101 FUSE102 CN-TANK...
  • Page 26 8.2.2 CU-UE18RKE TO INDOOR UNIT REACTOR TERMINAL BOARD RAT2 RAT1 (GRY) (GRY) OUTDOOR AIR TEMP. DATA SENSOR (RED) (THERMISTOR) COMMUNICATION CIRCUIT CN-TH1 NOISE (WHT) FILTER AC-BLK CIRCUIT PIPING TEMP. SENSOR (BLK) (THERMISTOR) FUSE103 RECTIFICATION CN-TANK (20A 250V) CIRCUIT (WHT) FUSE104 COMPRESSOR TEMP.

  • Page 27: Electronic Circuit Diagram

    9. Electronic Circuit Diagram Indoor Unit 9.1.1 CS-PE9RKE CS-PE12RKE CS-UE9RKE CS-UE12RKE GROUNDING TERMINAL ELECTRONIC CONTROLLER (MAIN) TERMINAL SW01 BOARD FUSE301 T3.15A L250V RY-PWR2 SUCTION TEMP. SENSOR AC303 (THERMISTOR) (WHT) TEMP. (15k, 3950) FUSE AC304 102°C (3A) (RED) TEMP. G301 OUTDOOR...
  • Page 28 9.1.2 CS-UE18RKE GROUNDING TERMINAL ELECTRONIC CONTROLLER (MAIN) TERMINAL SW01 BOARD FUSE301 T3.15A L250V RY-PWR2 SUCTION TEMP. SENSOR AC303 (THERMISTOR) (WHT) TEMP. (15k, 3950) FUSE AC304 102°C (3A) (RED) TEMP. G301 OUTDOOR FUSE NOISE (GRN) UNIT 102°C (3A) FILTER PIPING *CN-TH CIRCUIT TEMP.

  • Page 29: Outdoor Unit

    Outdoor Unit 9.2.1 CU-PE9RKE CU-PE12RKE CU-UE9RKE CU-UE12RKE TO INDOOR UNIT REACTOR TERMINAL BOARD RAT2 RAT1 (GRY) (GRY) 15.8k 15.0k ELECTRONIC CONTROLLER OUTDOOR TEMP. 1µ 1µ SENSOR (15kΩ 3950) FUSE104 (15A 250V) DATA PIPE TEMP. (RED) SENSOR1 (4.96kΩ 3800) NOISE FILTER AC-BLK CIRCUIT (BLK)
  • Page 30 9.2.2 CU-UE18RKE TO INDOOR UNIT REACTOR TERMINAL BOARD RAT2 RAT1 (GRY) (GRY) ELECTRONIC CONTROLLER *C174 *D73 EXPANSION *D74 DATA VALVE (RED) *D75 *D76 *CN-STM NOISE FILTER COMMUNICATION AC-BLK CIRCUIT CIRCUIT (BLK) COMP. TEMP. CN-TANK FUSE103 SENSOR (50kΩ 3950) RECTIFICATION (20A 250V) 1µ...

  • Page 31: Printed Circuit Board

    10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board AC304 AC303 G301 RY-PWR CN-FM CN-RMT CN-STM2 (UE18RKE only) CN-STM1 CN-DISP CN-TH JP1 (Random Auto Restart enable/disable)
  • Page 32 10.1.2 Indicator & Receiver Printed Circuit Board CN-DISP...

  • Page 33: Outdoor Unit

    10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board 10.2.1.1 CU-PE9RKE CU-PE12RKE CU-UE9RKE CU-UE12RKE POWER TRANSISTOR (IPM) CN-HOT CN-STM CN-TH CURRENT CN-TANK TRANSFORMER (CT) CN-MTR1 CN-MTR2 AC-BLK DATA AC-WHT...
  • Page 34 10.2.1.2 CU-UE18RKE POWER TRANSISTOR (IPM) RAT1 RAT2 CURRENT CN-TANK TRANSFORMER CN-MTR1 (CT) CN-TH1 CN-STM CN-HOT DATA AC-WHT CN-MTR2 AC-BLK...
  • Page 35 10.2.2 CPU Printed Circuit Board 10.2.2.1 CU-PE9RKE CU-PE12RKE CU-UE9RKE CU-UE12RKE...

  • Page 36: Installation Instruction

    11. Installation Instruction 11.1 Select the Best Location 11.1.1 Indoor Unit 11.1.3 Indoor/Outdoor Unit Installation  Diagram 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 Piping direction Attention not to bend near the unit.

  • Page 37: Indoor Unit

    11.2 Indoor Unit 11.2.1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent if from the vibration. Wall Wall Wall More than More than Indoor unit More screw than 128 mm 241.5 mm 241.5 mm Measuring Installation plate 1...
  • Page 38 11.2.3 Indoor Unit Installation ● Do not turn over the unit without it’s shock absorber during pull out the piping. It may cause intake grille damage. ● Use shock absorber during pull out the piping to protect the intake grille from damage. Piping Piping Shock absorber...
  • Page 39 Replace the drain hose Rear view for left piping installation Connection Drain hose cable Piping More than Connection cable 950 mm (1.0 ~ 1.5HP) or Drain hose Drain hose Drain cap 1150 mm (2.0HP) Sleeve for piping hole Adjust the piping slightly downwards.
  • Page 40 Remove the tapes and connect the power supply cord and connection cable between indoor unit and outdoor unit according to the diagram below. Terminals on the outdoor unit Colour of wires (connection cable) WARNING Terminals on the indoor unit (Power supply cord) This equipment must be properly earthed.
  • Page 41 Wire stripping Conductor not Conductor Conductor WIRE STRIPPING, fully inserted fully inserted over inserted Indoor/outdoor CONNECTING connection terminal board REQUIREMENT 5 mm No loose strand or more when inserted ACCEPT PROHIBITED PROHIBITED (gap between wires) RISK OF FIRE JOINING OF WIRES MAY CAUSE WARNING OVERHEATING...

  • Page 42: Outdoor Unit

    11.3 Outdoor Unit 11.3.1 Install the Outdoor Unit  After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails.
  • Page 43 11.3.3 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. Liquid side Indoor unit Two-way valve Outdoor unit Close Gas side Three-way valve OPEN Close Vacuum CLOSE...
  • Page 44 11.3.4 Connect the Cable to the Outdoor Unit Remove the control board cover from the unit by loosening the screw. Terminal Connection cable between indoor unit and Board outdoor unit shall be approved polychloroprene sheathed 4 1.5 mm (1.0 ~ ×...

  • Page 45: Operation Control

    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.

  • Page 46: Indoor Fan Motor Operation

    Manual Fan Speed [Cooling, Dry]  Fan motor’s number of rotation is determined according to remote control setting. Remote control ○ ○ ○ ○ ○ CS-PE9RKE CS-PE12RKE CS-UE9RKE CS-UE12RKE Remote control ○ ○ ○ ○ ○ CS-UE18RKE [Heating] ...

  • Page 47: Outdoor Fan Motor Operation

    ii Auto Fan Speed [Cooling, Dry]  According to room temperature and setting temperature, indoor fan speed is determined automatically.  When set temperature is not achieved, the indoor fan will operate according to pattern below.  When set temperature achieved, the indoor fan speed will be fixed. When thermostat off, the fan stop periodically. [Heating] ...
  • Page 48 17.5 32.5 Manual Control with dew 17.5 32.5 Heating Manual Usual 21.2 32.5 43.8 CS-PE9RKE CS-PE12RKE CS-UE9RKE CS-UE12RKE Vane Angle (°) Operation Mode Usual (Ventilation) 5 ~ 35 Auto Control with dew 5 ~ 35 Cooling Usual (Ventilation) 12.5 27.5...

  • Page 49: Timer Control

    12.4.2 Horizontal Airflow (For UE18RKE only) Automatic horizontal airflow direction can be set using remote control; the vane swings left and right within the angles as stated below. It does not swing during fan motor stop. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below.

  • Page 50: Random Auto Restart Control

    12.6 Random Auto Restart Control  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.

  • Page 51: Quiet Operation (Heating)

    12.9 Quiet Operation (Heating) A. Purpose To provide quiet heating operation compare to normal operation. B. Control condition a. Quiet operation start condition When “POWERFUL/QUIET” button at remote control is pressed. QUIET LED illuminates. b. Quiet operation stop condition When one of the following conditions is satisfied, quiet operation stops: a.

  • Page 52: Protection Control

    13. Protection Control 13.1 Protection Control For All Operations 13.1.1 Restart Control (Time Delay Safety Control)  The Compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing OFF/ON button at remote control within this period. ...
  • Page 53 13.1.4 Compressor Overheating Prevention Control  Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below.  If compressor discharge temperature exceeds 103°C, compressor will be stopped, occurs 4 times per 20 minutes, timer LED will be blinking.

  • Page 54: Protection Control For Cooling & Soft Dry Operation

    13.2 Protection Control For Cooling & Soft Dry Operation 13.2.1 Outdoor Air Temperature Control  The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below.  This control will begin 1 minute after the compressor starts. ...

  • Page 55: Protection Control For Heating Operation

    13.2.6 Odor Cut Control  To reduce the odor released from the unit. Start Condition  AUTO FAN Speed is selected during COOL or DRY operation.  During freeze prevention control and timer preliminary operation, this control is not applicable. Control content ...
  • Page 56 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 Prevention Control  When indoor pipe temperature is low, cold draught operation starts where indoor fan speed will be reduced. 13.3.6 Deice Operation ...

  • Page 57: Servicing Mode

    14. Servicing Mode 14.1 Auto OFF/ON Button 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. 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.

  • Page 58: Remote Control Button

    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”...

  • Page 59: Troubleshooting Guide

    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.

  • Page 60: Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current

    15.2 Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current Cooling Mode Heating Mode Condition of the Electric current Electric current air conditioner Low Pressure High Pressure Low Pressure High Pressure during operation during operation Insufficient refrigerant ...

  • Page 61: Breakdown Self Diagnosis Function

    15.3 Breakdown Self Diagnosis Function 15.3.1 Self Diagnosis Function (Three Digits Alphanumeric Code)  When the latest abnormality code on the main Once abnormality has occurred during operation, unit and code transmitted from the remote the unit will stop its operation, and Timer LEDs controller are matched, power LED will light blink.

  • Page 62: Error Codes Table

    15.4 Error Codes Table Diagnosis Abnormality / Abnormality Protection Problem Check location display Protection control Judgment Operation No memory of failure — Normal operation — — Indoor fan only  Indoor/outdoor wire terminal Indoor/outdoor operation can Indoor/outdoor After operation for ...
  • Page 63 Diagnosis Abnormality / Abnormality Protection Problem Check location display Protection control Judgment Operation  Check indoor/outdoor Wrong wiring and connection wire and connection Abnormal wiring or — — connecting pipe, expansion pipe piping connection valve abnormality  Expansion valve and lead wire and connector ...

  • Page 64: Self-Diagnosis Method

    15.5 Self-diagnosis Method 15.5.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions  During startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction Caused  Faulty indoor unit PCB.
  • Page 65 15.5.2 H12 (Indoor/Outdoor Capacity Rank Mismatched) Malfunction Decision Conditions  During startup, error code appears when different types of indoor and outdoor units are interconnected. Malfunction Caused  Wrong models interconnected.  Wrong indoor unit or outdoor unit PCBs mounted. ...
  • Page 66 15.5.3 H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 67 15.5.4 H15 (Compressor Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.  Faulty sensor.
  • Page 68 15.5.5 H16 (Outdoor Current Transformer) Malfunction Decision Conditions  An input current, detected by Current Transformer CT, is below threshold value when the compressor is operating at certain frequency value for 3 minutes. Malfunction Caused  Lack of gas  Broken CT (current transformer) ...
  • Page 69 15.5.6 H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550rpm or < 50rpm). Malfunction Caused ...
  • Page 70 15.5.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 71 15.5.8 H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 72 15.5.9 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 73 15.5.10 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 74 15.5.11 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.
  • Page 75 15.5.12 H33 (Unspecified Voltage between Indoor and Outdoor) Malfunction Decision Conditions  The supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction Caused  Wrong models interconnected.  Wrong indoor unit and outdoor unit PCBs used.  Indoor unit or outdoor unit PCB defective.
  • Page 76 15.5.13 H34 (Outdoor Heat Sink Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 77 15.5.14 H36 (Outdoor Gas Pipe Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 78 15.5.15 H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 79 15.5.16 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor. Malfunction Caused  Operation stops due to short circuit inside the fan motor winding. ...
  • Page 80 15.5.17 H98 (Error Code Stored in Memory and no alarm is triggered / no TIMER LED flashing) Malfunction Decision Conditions  Indoor high pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation. ...
  • Page 81 15.5.18 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions  Freeze prevention control takes place (when indoor pipe temperature is lower than 2°C) Malfunction Caused ...
  • Page 82 15.5.19 F11 (4-way valve Abnormality) Malfunction Decision Conditions  When indoor heat exchanger is cold during heating (except deice) or when indoor heat exchanger is hot during cooling and compressor operating, the 4-way valve is detected as malfunction. Malfunction Caused ...
  • Page 83 15.5.20 F17 (Indoor Standby Units Freezing Abnormality) Malfunction Decision Conditions  When the different between indoor intake air temperature and indoor pipe temperature is above 10°C or indoor pipe temperature is below -1.0°C. Remark: When the indoor standby unit is freezing, the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit(s).
  • Page 84 15.5.21 F90 (Power Factor Correction Protection) Malfunction Decision Conditions  To maintain DC voltage level supply to power transistor.  To detect high DC voltage level after rectification. Malfunction Caused  During startup and operation of cooling and heating, when Power Factor Correction (PFC) protection circuitry at the outdoor unit main PCB senses abnormal DC voltage level for power transistors.
  • Page 85 15.5.22 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions  The input current is low while the compressor is running at higher than the setting frequency. Malfunction Caused  Lack of gas.  3-way valve close. Troubleshooting...
  • Page 86 15.5.23 F93 (Compressor Rotation Failure) Malfunction Decision Conditions  A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction Caused  Compressor terminal disconnect  Faulty Outdoor PCB  Faulty compressor Troubleshooting...
  • Page 87 15.5.24 F95 (Outdoor High Pressure Protection: Cooling or Soft Dry) Malfunction Decision Conditions  During operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistor. Malfunction Caused ...
  • Page 88 15.5.25 F96 (IPM Overheating) Malfunction Decision Conditions  During operating of cooling and heating, when IPM temperature data (120°C) is detected by the IPM temperature sensor. Multi Models Only Compressor Overheating: During operation of cooling and heating, when the compressor OL is activated. Heat Sink Overheating: During operation of cooling and heating, when heat sink temperature data (90°C) is detected by the heat sink temperature sensor.
  • Page 89 15.5.26 F97 (Compressor Overheating) Malfunction Decision Conditions  During operation of cooling and heating, when compressor tank temperature data (112°C) is detected by the compressor tank temperature sensor. Malfunction Caused  Faulty compressor tank temperature sensor  2/3 way valve closed ...
  • Page 90 15.5.27 F98 (Input Over Current Detection) Malfunction Decision Conditions  During operation of cooling and heating, when an input over-current (X value in Total Running Current Control) is detected by checking the input current value being detected by current transformer (CT) with the compressor running.
  • Page 91 15.5.28 F99 (DC Peak Detection) Malfunction Decision Conditions During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal DC Peak sensing circuitry. Malfunction Caused  DC current peak due to compressor failure. ...

  • Page 92: Disassembly And Assembly Instructions

    Failure to heed this caution may result in electric shocks. 16.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 16.1.1 CS-PE9RKE CS-PE12RKE CS-UE9RKE CS-UE12RKE 16.1.1.1 To remove front grille Hold both sides of the front grille and remove it by pulling up and toward yourself gently.
  • Page 93 16.1.1.3 To remove power electronic controller AC304 AC303 G301 RY-PWR2 RY-PWR CN-FM CN-RMT CN-STM1 CN-DISP CN-TH Figure 3 Figure 4 16.1.1.4 To remove discharge grille 10. Pull out to remove the drain hose from the discharge grille 11. Then pull the discharge grille downward gently to dismantle it Figure 5...
  • Page 94 16.1.1.5 To remove control board 12. Remove 4 screws holding the control board then pull out the control board. Figure 6 16.1.1.6 To remove cross flow fan and indoor fan motor 13. Remove the screw that holding the cross flow fan and fan motor axis.
  • Page 95 16. Push the holdfast to the left and lift up the evapo rator. Evaporator 17. Remove the cross flow fan from the unit by 18. Fan motor can be removed after the pulling it to the left and downward. removal of cross flow fan. Reminder: To reinstall the fan motor, adjust the fan motor connector to 45°...

  • Page 96: Indoor Electronic Controllers, Cross Flow Fan And Indoor Fan Motor Removal Procedures

    WARNING High Voltage are generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 16.2 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 16.2.1 CS-UE18RKE 16.2.1.1...
  • Page 97 16.2.1.3 To remove power electronic controller AC304 AC303 G301 RY-PWR2 RY-PWR CN-FM CN-RMT CN-STM1 CN-DISP CN-TH Figure 3 Figure 4 16.2.1.4 To remove discharge grille Figure 5...
  • Page 98 16.2.1.5 To remove control board Figure 6 16.2.1.6 To remove cross flow fan and indoor fan motor Figure 7 Figure 8...
  • Page 99 Figure 9 Figure 10...

  • Page 100: Outdoor Electronic Controller Removal Procedure

    16.3 Outdoor Electronic Controller Removal Procedure 16.3.1 CU-PE9RKE CU-PE12RKE CU-UE9RKE CU-UE12RKE Caution! When handling electronic controller, be careful of electrostatic discharge. 1. Remove the 3 screws of the Top Panel. 5. Remove the Control Board as follows: Release 3 Terminal Connectors and 2 Earth Wire Screws Release 6 Remove...
  • Page 101 16.3.2 CU-UE18RKE Caution! When handling electronic controller, be careful of electrostatic discharge. 1. Remove the 5 screws of the Top Panel. 5. Remove the Control Board as follows: Fig. 1 Fig. 4 2. Remove the 8 screws of the Front Panel. Fig.

  • Page 102: Technical Data

    Technical data provided are based on the air conditioner running under free frequency. 17.1 Cool Mode Performance Data Unit setting: Standard piping length, Hi Fan, Cool mode at 16°C Voltage: 230V 17.1.1 CS-PE9RKE/CU-PE9RKE CS-UE9RKE/CU-UE9RKE Indoor (°C) Outdoor DB (°C) 19.0...

  • Page 103: Heat Mode Performance Data

    17.2 Heat Mode Performance Data Unit setting: Standard piping length, Hi Fan, Heat mode at 30°C Voltage: 230V 17.2.1 CS-PE9RKE/CU-PE9RKE CS-UE9RKE/CU-UE9RKE Indoor (°C) Outdoor WB (°C) 1803 1079 2488 1124 2772 1060 3181 3454 1900 1064 2660 1120 2970 1040...

  • Page 104: Service Data

    18. Service Data Service data provided are based on the air conditioner running under rated frequency during forced cooling / forced heating mode. 18.1 Cool Mode Outdoor Air Temperature Characteristic Condition Indoor room temperature: 27°C DryBulb/19°C Wet Bulb Unit setting: Standard piping length, forced cooling at 16°C, Hi fan Compressor frequency: Rated for cooling operation Piping length: 5m Voltage: 230V...
  • Page 105 18.1.2 CS/CU-PE12RKE CS/CU-UE12RKE 16.50 16.00 15.50 15.00 14.50 14.00 13.50 13.00 12.50 12.00 Outdoor Air Temperature (°C) 6.00 5.50 5.00 4.50 4.00 3.50 3.00 2.50 2.00 1.50 Outdoor Air Temperature (°C) 1.10 1.00 0.90 0.80 0.70 0.60 Outdoor Air Temperature (°C)
  • Page 106 18.1.3 CS/CU-UE18RKE 18.0 17.0 16.0 15.0 14.0 13.0 12.0 11.0 10.0 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 Outdoor Air Temperature (°C) 9.00 8.00 7.00 6.00 5.00 4.00 3.00 2.00 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 Outdoor Air Temperature (°C)

  • Page 107: Heat Mode Outdoor Air Temperature Characteristic

    18.2 Heat Mode Outdoor Air Temperature Characteristic Condition Indoor room temperature: 20°C DryBulb/ -°C Wet Bulb Unit setting: Standard piping length, forced heating at 30°C, Hi fan Compressor frequency: Rated for Heating operation Piping length: 5m Voltage: 230V 18.2.1 CS/CU-PE9RKE CS/CU-UE9RKE Outdoor Air Temperature (°C) 4.80 4.60...
  • Page 108 18.2.2 CS/CU-PE12RKE CS/CU-UE12RKE Outdoor Air Temperature (°C) 6.80 6.30 5.80 5.30 4.80 4.30 3.80 Outdoor Air Temperature (°C) 3.60 3.40 3.20 3.00 2.80 2.60 2.40 2.20 2.00 1.80 1.60 Outdoor Air Temperature (°C)
  • Page 109 18.2.3 CS/CU-UE18RKE 55.00 50.00 45.00 40.00 35.00 30.00 25.00 -16 -14 -12 -10 -8 10 12 14 16 18 20 22 24 26 Outdoor Air Temperature (°C) 10.00 9.00 8.00 7.00 6.00 5.00 4.00 3.00 -16 -14 -12 -10 -8 10 12 14 16 18 20 22 24 26 Outdoor Air Temperature (°C) 5.80...

  • Page 110: Piping Length Correction Factor

    18.3 Piping Length Correction Factor The characteristic of the unit has to be corrected in accordance with the piping length. 18.3.1 CS/CU-PE9RKE CS/CU-PE12RKE CS/CU-UE9RKE CS/CU-UE12RKE 1.02 1.00 0.98 0.96 0.94 0.92 Pipe Length (m) 1.04 1.02 1.00 0.98 0.96 0.94 0.92 0.90 Pipe Length (m)
  • Page 111 18.3.2 CS/CU-UE18RKE 1.03 1.01 0.99 0.97 0.95 Pipe Length (m) 1.01 1.00 0.99 0.98 0.97 0.96 0.95 Pipe Length (m) Note: The graphs show the factor after added right amount of additional refrigerant.

  • Page 112: Exploded View And Replacement Parts List

    19. Exploded View and Replacement Parts List 19.1 Indoor Unit 19.1.1 CS-PE9RKE CS-PE12RKE CS-UE9RKE CS-UE12RKE CWH55025J CWH55051J 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.
  • Page 113 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-PE9RKE CS-PE12RKE REMARK CHASSIS COMPLETE CWD50C1653 ← FAN MOTOR L6CBYYYL0037 ← CROSS-FLOW FAN COMPLETE CWH02C1076 ← BEARING ASSY CWH64K007 ← SCREW - CROSS-FLOW FAN CWH551146 ← EVAPORATOR CWB30C5001 ← FLARE NUT (LIQUID) CWT251048 ←...
  • Page 114 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-PE9RKE CS-PE12RKE REMARK INSTALLATION INSTRUCTION CWF616728 ← OPERATING INSTRUCTION CWF569883 ← (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock.
  • Page 115 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-UE9RKE CS-UE12RKE REMARK CHASSIS COMPLETE CWD50C1653 ← FAN MOTOR L6CBYYYL0037 ← CROSS-FLOW FAN COMPLETE CWH02C1076 ← BEARING ASSY CWH64K007 ← SCREW - CROSS-FLOW FAN CWH551146 ← EVAPORATOR CWB30C5001 ← FLARE NUT (LIQUID) CWT251048 ←...
  • Page 116 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-UE9RKE CS-UE12RKE REMARK INSTALLATION INSTRUCTION CWF616727 ← INSTALLATION INSTRUCTION CWF616728 ← OPERATING INSTRUCTION CWF569883 ← (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock.
  • Page 117 19.1.2 CS-UE18RKE CWH55025 J CWH55051 J 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.
  • Page 118 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-UE18RKE REMARK CHASSIS COMPLETE CWD50C1654 FAN MOTOR L6CBYYYL0039 CROSS-FLOW FAN COMPLETE CWH02C1077 BEARING ASSY CWH64K007 SCREW - CROSS-FLOW FAN CWH551146 EVAPORATOR CWB30C3860 FLARE NUT (LIQUID) CWT251048 FLARE NUT (GAS) CWT251032 CLIP FOR SENSOR CWH32143 CONTROL BOARD CASING CWH102449...
  • Page 119 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-UE18RKE REMARK INSTALLATION INSTRUCTION CWF616725 INSTALLATION INSTRUCTION CWF616726 INSTALLATION INSTRUCTION CWF616727 INSTALLATION INSTRUCTION CWF616728 AIR PURIFYING FILTER CWD00C1291 (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock.

  • Page 120: Outdoor Unit

    19.2 Outdoor Unit 19.2.1 CU-PE9RKE CU-PE12RKE CU-UE9RKE CU-UE12RKE 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.
  • Page 121 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-PE9RKE CU-PE12RKE REMARK CHASSIS ASSY CWD50K2073 ← SOUND PROOF MATERIAL CWG302314 ← FAN MOTOR BRACKET CWD541089 ← SCREW - FAN MOTOR BRACKET CWH551217 ← FAN MOTOR ARS6411AC ← SCREW - FAN MOTOR MOUNT CWH55252J ←...
  • Page 122 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-UE9RKE CU-UE12RKE REMARK CHASSIS ASSY CWD50K2073 ← SOUND PROOF MATERIAL CWG302314 ← FAN MOTOR BRACKET CWD541089 ← SCREW - FAN MOTOR BRACKET CWH551217 ← FAN MOTOR ARS6411AC ← SCREW - FAN MOTOR MOUNT CWH55252J ←...
  • Page 123 19.2.2 CU-UE18RKE 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.
  • Page 124 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-UE18RKE REMARK CHASSIS COMPLETE CWD52K1277 SOUND PROOF MATERIAL CWG302630 FAN MOTOR BRACKET CWD541167 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR ARS6411AC SCREW - FAN MOTOR MOUNT CWH55252J PROPELLER FAN ASSY CWH03K1066 NUT - PROPELLER FAN CWH56053J COMPRESSOR...
  • Page 125 [PAPAMY] Printed in Malaysia SY0115-0...

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