Panasonic CS-BE35TKE Service Manual
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Panasonic CS-BE35TKE Service Manual

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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.
There are special components used in this equipment which are important for safety. These parts are marked by
Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced
with manufacturer's specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of
manufacturer.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
OFF/ON
OFF/ON
FAN SPEED
MODE
AIR SWING
TEMP
SLEEP
ON
SET
TIMER
OFF
CANCEL
WARNING
IMPORTANT SAFETY NOTICE
PRECAUTION OF LOW TEMPERATURE
Indoor Unit
CS-BE25TKE
CS-BE35TKE
CS-BE50TKE
Order No: PAPAMY1703047CE
Outdoor Unit
CU-BE25TKE
CU-BE35TKE
CU-BE50TKE
Destination
Europe
Turkey
Russia
Ukraine
Belarus
Kazakhstan
Armenia
Kyrgyzstan
in the Schematic
!
© Panasonic Corporation 2017

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Summary of Contents for Panasonic CS-BE35TKE

  • Page 1 Do not modify the original design without permission of manufacturer. 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 2017...

  • Page 2: Table Of Contents

    Self-diagnosis Method ........67 6. Refrigeration Cycle Diagram ......17 16. Disassembly and Assembly Instructions ..95 CS-BE25TKE CU-BE25TKE 16.1 CS-BE25TKE CS-BE35TKE .....95 CS-BE35TKE CU-BE35TKE ..... 17 16.2 CS-BE50TKE ........... 100 CS-BE50TKE CU-BE50TKE ..... 18 16.3 Outdoor Electronic Controller Removal Procedure ..........105 7.

  • 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-BE25TKE CS-BE35TKE Model Outdoor CU-BE25TKE CU-BE35TKE Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. 0.85 2.50 3.00 0.85 2.50 3.00 0.85...
  • Page 6 Indoor CS-BE25TKE CS-BE35TKE Model Outdoor CU-BE25TKE CU-BE35TKE 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-BE25TKE CS-BE35TKE Model Outdoor CU-BE25TKE CU-BE35TKE 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-BE50TKE Model Outdoor CU-BE50TKE Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.98 5.00 5.40 0.98 5.00 5.40 Capacity BTU/h 3340 17100 18400 3340 17100 18400 kcal/h 4300 4640 4300 4640 Running Current –...
  • Page 9 Indoor CS-BE50TKE Model Outdoor CU-BE50TKE 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 47.3 Output Power Cool Heat Cool Heat 1030 Cool 1110 Speed Heat...
  • Page 10 Indoor CS-BE50TKE Model Outdoor CU-BE50TKE 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 11: 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 Long piping up to 15 meters  Easy to use remote control ...

  • Page 12: Location Of Controls And Components

    4. Location of Controls and Components Indoor Unit Air Filters Auto OFF/ON button • Use when remote control is misplaced Front panel or malfunction occurs. Aluminium Fin INDICATOR (Green) POWER (Orange) TIMER Horizontal Airflow direction louver Remote Control • Manually adjustable. receiver Vertical Airflow direction louver...

  • Page 13: Dimensions

    5. Dimensions Indoor Unit & Remote Control 5.1.1 CS-BE25TKE CS-BE35TKE <Top View> <Side View> <Side View> Air intake <Front View> direction Air outlet Right direction piping Left hole piping hole <Bottom View> <Remote Control> OFF/ON OFF/ON FAN SPEED MODE AIR SWING...
  • Page 14 5.1.2 CS-BE50TKE <Top View> <Side View> <Side View> Air intake <Front View> direction Air outlet Right Left direction piping piping hole hole <Bottom View> <Remote Control transmitter> OFF/ON OFF/ON FAN SPEED MODE AIR SWING TEMP SLEEP TIMER CANCEL <Back View> Gas side Liquid side <Remote Control Holder>...

  • Page 15: Outdoor Unit

    Outdoor Unit 5.2.1 CU-BE25TKE CU-BE35TKE <Top View> 67.6 (104.7) 570.3 104.9 60.5 Space necessary for installation 100 mm 100 mm 1000 mm Anchor Bolt Pitch 320 × 570 <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 16 5.2.2 CU-BE50TKE <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 17: Refrigeration Cycle Diagram

    6. Refrigeration Cycle Diagram CS-BE25TKE CU-BE25TKE CS-BE35TKE CU-BE35TKE INDOOR OUTDOOR PIPE LIQUID TEMP. EXPANSION SIDE SENSOR VALVE MUFFLER STRAINER 2-WAY VALVE INTAKE PIPE TEMP. TEMP. SENSOR SENSOR INTAKE HEAT EXCHANGER TEMP. (CONDENSER) SENSOR HEAT EXCHANGER (EVAPORATOR) SIDE 4-WAYS VALVE 3-WAY...

  • Page 18: Cs-Be50Tke Cu-Be50Tke

    CS-BE50TKE CU-BE50TKE INDOOR OUTDOOR PIPE LIQUID TEMP. EXPANSION SIDE SENSOR VALVE ACCUMULATOR STRAINER 2-WAY VALVE INTAKE PIPE TEMP. TEMP. SENSOR SENSOR INTAKE HEAT EXCHANGER TEMP. (CONDENSER) SENSOR HEAT EXCHANGER (EVAPORATOR) SIDE 4-WAYS VALVE 3-WAY VALVE MUFFLER COMP. TEMP. SENSOR COMPRESSOR COOLING HEATING...

  • Page 19: Block Diagram

    7. Block Diagram CS-BE25TKE CU-BE25TKE CS-BE35TKE CU-BE35TKE...

  • Page 20: Cs-Be50Tke Cu-Be50Tke

    CS-BE50TKE CU-BE50TKE...

  • Page 21: Wiring Connection Diagram

    8. Wiring Connection Diagram Indoor Unit 8.1.1 CS-BE25TKE CS-BE35TKE GROUNDING TERMINAL ELECTRONIC CONTROLLER (MAIN) SW01 TERMINAL CN-RMT BOARD (WHT) FUSE301 T3.15A L250V RY-PWR2 AC303 UP DOWN (WHT) CN-STM1 LOUVER MOTOR (WHT) AC304 TEMP. (RED) FUSE G301 OUTDOOR 102°C (4.5A) NOISE...
  • Page 22 8.1.2 CS-BE50TKE GROUNDING TERMINAL ELECTRONIC CONTROLLER (MAIN) SW01 TERMINAL CN-CNT BOARD (WHT) FUSE301 T3.15A L250V RY-PWR2 AC303 CN-RMT (WHT) (WHT) TEMP. AC304 FUSE (RED) 102°C (3A) TEMP. G301 OUTDOOR NOISE FUSE (GRN) UNIT FILTER 102°C (3A) CIRCUIT UP DOWN CN-STM1 LOUVER MOTOR (WHT) COMMUNICATION...

  • Page 23: Outdoor Unit

    Outdoor Unit 8.2.1 CU-BE25TKE CU-BE35TKE TO INDOOR UNIT REACTOR TERMINAL BOARD RAT2 RAT1 OUTDOOR AIR TEMP. (GRY) (GRY) SENSOR FUSE104 (THERMISTOR) (15A 250V) DATA t° (RED) CN-TH (WHT) t° NOISE PIPING TEMP. SENSOR FILTER (THERMISTOR) COMMUNICATION AC-BLK CIRCUIT CIRCUIT (BLK) CN-TANK t°...
  • Page 24 8.2.2 CU-BE50TKE 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 25: Electronic Circuit Diagram

    9. Electronic Circuit Diagram Indoor Unit 9.1.1 CS-BE25TKE CS-BE35TKE GROUNDING TERMINAL ELECTRONIC CONTROLLER (MAIN) TERMINAL SW01 BOARD IC03 FUSE301 T3.15A L250V RY-PWR2 IC03 AC303 (WHT) IC03 IC03 AC304 TEMP. IC03 (RED) CN-STM1 FUSE IC03 WHITE UP DOWN G301 OUTDOOR 102°C (4.5A)
  • Page 26 9.1.2 CS-BE50TKE 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) t° TEMP. G301 OUTDOOR FUSE NOISE (GRN) t° UNIT FILTER 102°C (3A) CN-TH PIPING CIRCUIT...

  • Page 27: Outdoor Unit

    Outdoor Unit 9.2.1 CU-BE25TKE CU-BE35TKE TO INDOOR UNIT REACTOR TERMINAL BOARD RAT2 RAT1 (GRY) (GRY) 15.8k 15.0k OUTDOOR AIR TEMP. 1μ 1μ ELECTRONIC SENSOR (THERMISTOR) (15KΩ, 3950) CONTROLLER t° t° PIPING TEMP. SENSOR (THERMISTOR) FUSE104 (4.96KΩ, 3800) (15A 250V) DATA (RED) t°...
  • Page 28 9.2.2 CU-BE50TKE TO INDOOR UNIT REACTOR TERMINAL BOARD RAT2 RAT1 (GRY) (GRY) ELECTRONIC CONTROLLER *C174 *D73 EXPANSION *D74 DATA VALVE *D75 (RED) *D76 *CN-STM NOISE FILTER COMMUNICATION AC-BLK CIRCUIT CIRCUIT (BLK) CN-TANK COMP. TEMP. FUSE103 SENSOR (50kΩ 3950) RECTIFICATION (20A 250V) 1μ...

  • Page 29: Printed Circuit Board

    10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board 10.1.1.1 CS-BE25TKE CS-BE35TKE AC304 AC303 G301 RY-PWR CN-FM CN-STM1 CN-RMT CN-DISP CN-CNT CN-TH JP1 (Random Auto Restart enable/disable)
  • Page 30 10.1.1.2 CS-BE50TKE AC304 AC303 G301 RY-PWR CN-FM CN-RMT CN-CNT CN-STM1 CN-DISP CN-TH JP1 (Random Auto Restart enable/disable)
  • Page 31 10.1.2 Indicator & Receiver Printed Circuit Board 10.1.2.1 CS-BE25TKE CS-BE35TKE CN-DISP 10.1.2.2 CS-BE50TKE CN-DISP...

  • Page 32: Outdoor Unit

    10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board 10.2.1.1 CU-BE25TKE CU-BE35TKE POWER TRANSISTOR (IPM) CN-HOT CN-TH CN-TANK CN-STM CN-MTR1 CN-MTR2 CURRENT TRANSFORMER (CT) AC-BLK AC-WHT DATA...
  • Page 33 10.2.1.2 CU-BE50TKE 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 34: 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 35: 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 it from vibration. Ceiling Wall Wall More than More than 2 screw More than Indoor unit Installation 228 mm plate 1 228 mm PIPE PIPE...
  • Page 36 Finish by sealing the sleeve with putty or 11.2.2 To Drill a Hole in the Wall and caulking compound at the final stage. Install a Sleeve of Piping Wall Insert the piping sleeve to the hole. Indoor Outdoor Fix the bushing to the sleeve. 15 mm Cut the sleeve until it extrudes about 15 mm from the wall.
  • Page 37 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 38 Exchange the drain hose and cap Rear view for left piping installation Connection cable Piping Drain hose More than 950 mm Connection cable Drain hose Drain cap Adjust the piping slightly Drain hose downwards. Sleeve for piping hole • • How to pull the piping and drain hose out, in case of the In case of left piping how to insert the embedded piping.
  • Page 39 Remove the tapes and connect the power supply cord and connection cable between indoor unit and outdoor unit according to the diagram below. WARNING This equipment must Colour of wires (connection cable) be properly earthed. Terminal Board Terminals on the indoor unit (Power supply cord) Terminals on the isolating devices Control...

  • Page 40: Outdoor Unit

    11.3 Outdoor Unit 11.3.1 Install the Outdoor Unit  After selecting the best location, start installation 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, screws or nails.
  • Page 41 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 Outdoor unit Two-way valve Close Gas side Three-way valve OPEN Close Vacuum CLOSE...
  • Page 42 11.3.4 Connect the Cable to the Outdoor Unit Remove the control board cover from the unit by loosening the screw. Connection cable between indoor unit and Terminal Board outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm Earth Wire longer than (3/4 ~ 1.5HP) or 4 x 2.5 mm (2.0HP) flexible...
  • Page 43 11.3.7 How to Take Out Front Grille Please follow the steps below to take out front grille if necessary such as when servicing. Set the vertical airflow direction louvers to the horizontal position. Remove the 2 caps on the front grille as shown in the illustration at right, and then remove the 2 mounting screws.
  • Page 44 11.3.10 Check the Drainage  Open front panel and remove air filters. (Drainage checking can be carried out without removing the front grille.)  Pour a glass of water into the drain tray-styrofoam.  Ensure that water flows out from drain hose of the indoor unit. Drain tray-styrofoam 11.3.11 Evaluation of the Performance Operate the unit at cooling/heating operation mode for fifteen minutes or more.

  • 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-BE25TKE CS-BE35TKE Remote control ○ ○ ○ ○ ○ CS-BE50TKE [Heating]  Fan motor’s number of rotation is determined according to remote control setting.

  • 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 Manual Control with dew 17.5 32.5 Manual Usual 21.2 32.5 43.8 Heating Auto 43.8 21.2 CS-BE25TKE CS-BE35TKE Vane Angle (°) Operation Mode Usual (Ventilation) 5 ~ 35 Auto Control with dew 5 ~ 35 Cooling Usual (Ventilation) 12.5 27.5 Manual Control with dew 12.5...

  • Page 49: Timer Control

    12.5 Timer Control  There are 2 sets of ON and OFF timer available to turn the unit ON or OFF at different preset time.  If more than one timer had been set, the upcoming timer will be displayed and will activate in sequence. 12.5.1 ON Timer Control ...

  • Page 50: Indication Panel

    12.8 Indication Panel POWER TIMER Color Green Orange Light ON Operation ON Timer Setting ON Light OFF Operation OFF Timer Setting 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.

  • Page 51: Powerful Mode Operation

    12.11 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.

  • 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 13.3.7 Low Pressure Protection Control  During low ambient heating operation, if the pipe temperature drops below -24°C, the max frequency will be reduced and limited.  If it does not rises after 3 minutes, the compressor will stop.  The compressor will start again if the pipe temperature rises above -20°C.

  • 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: Heat Only Operation

    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: Remote Control Button

    14.2.2 Operation mode during Heating Only Operation  The table below shows the operation mode comparison when Heating Only Operation Mode Activated and Deactivated. Operation Mode Heating Only Operation Mode Activated Heating Only Operation Mode Deactivated After 30s sampling, the unit will judge the operation After 30s sampling, regardless of the indoor intake or mode base on remote controller temperature setting AUTO...
  • Page 60 14.3.3 RESET (AC)  To restore the unit’s setting to factory default. Press once to restore the unit’s setting. 14.3.4 TIMER ▲  To change indoor unit indicator’s LED intensity. Press continuously for 5 seconds. 14.3.5 TIMER ▼  To change remote control display from Degree Celsius (°C) to Degree Fahrenheit (°F). Press continuously for 10 seconds.
  • Page 61 To enter zone 2 area: (Press continuously for T ≥ 5 secs) Once T ≥ 5secs Normal display Enter Zone1 Enter Zone2 mode [range (50~99)] Function & Options list: Note: The functions described in the table may not be applicable to the model and may subject to change without further notice.

  • Page 62: 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 63: 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 64: 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 65: 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 66 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 67: 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 68 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 69 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 70 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 71 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 72 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 73 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 74 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 75 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 76 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 77 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 78 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 79 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 80 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 81 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 82 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 83 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 84 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 85 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 86 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 87 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 88 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 When F91 indication happens For safety reason and to prevent component breakdown, always switch Caution...
  • Page 89 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 When F93 indication happens.
  • Page 90 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 91 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 92 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 93 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 94 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 95: Disassembly And Assembly Instructions

    High Voltage is 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. 16.1 CS-BE25TKE CS-BE35TKE 16.1.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 16.1.1.1...
  • Page 96 Pull out the main Detach connector as labeled from the electronic controller electronic controller, then pull out the halfway. main controller gently. G301 AC304 AC303 Detach the Earth wire screw. RY-PWR CN-FM Detach the CN-DISP connector then remove the indicator PCB complete. Remove the screw to dismantle CN-STM1 the terminal board complete.
  • Page 97 16.1.1.4 To Remove Control Board 12. Remove 4 screws holding the control board together then pull out the control board. Figure 6 16.1.1.5 To Remove Cross Flow Fan and Indoor Fan Motor Remove stepping motor lead wire connectors. Pull out to remove the drain hose from the Discharge Grille.
  • Page 98 Remove the screw that holds the cross flow fan and the fan motor shaft. Figure 8 Remove the bearing by pulling it out gently. Remove the screw from the evaporator. Figure 9...
  • Page 99 19. Push the holdfast to the left and lift up the evaporator. Evaporator 20. Remove the cross flow fan from 21. Fan motor can be removed after the the unit by pulling it to the left and removal of cross flow fan. downward.

  • Page 100: Cs-Be50Tke

    WARNING High Voltage is 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 CS-BE50TKE 16.2.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 16.2.1.1 To Remove Front Grille...
  • Page 101 Pull out the main Detach connectors as labeled from the electronic controller electronic controller. Then pull out main halfway. controller gently. AC304 AC303 G301 Detach the earth wire connection. RY-PWR Remove screw Terminal Board complete and earth wire. CN-FM Detach the CN-DISP CN-CNT connector then remove the indicator complete.
  • Page 102 16.2.1.4 To Remove Control Board 12. Remove 4 screws holding the control board and then pull out the control board. Figure 6 16.2.1.5 To Remove Cross Flow Fan and Indoor Fan Motor Remove the screw that holding the cross flow fan and fan motor shaft. Figure 7...
  • Page 103 Remove the bearing by pulling it out gently. Remove the screw from the evaporator. Figure 8 16. Push the holdfast to the left and lift up the evaporator. Evaporator 17. Remove the cross flow fan from 18. Fan motor can be removed after the the unit by pulling it to the left and removal of cross flow fan.
  • Page 104 Cross Flow Fan Reminder: To reinstall the cross flow fan, ensure cross flow fan is in line as shown in figure 10. Figure 10...

  • Page 105: Outdoor Electronic Controller Removal Procedure

    16.3 Outdoor Electronic Controller Removal Procedure 16.3.1 CU-BE25TKE CU-BE35TKE Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 5 screws of the Top Panel. Remove the Control Board as follows: Screws Top Panel Release 3 Terminal Screws Connectors, L, N and Earth Wire Screw.
  • Page 106 16.3.2 CU-BE50TKE 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 107: Technical Data

    2152 2131 1920 1901 15.8 2221 1666 2492 1806 2321 1737 2082 1633 (Dry bulb value based on 46% humidity) 17.1.2 CS-BE35TKE CU-BE35TKE Indoor (°C) Outdoor DB (°C) 19.0 3670 2844 4131 3070 3851 3001 3400 2769 1110 22.0 4248...

  • Page 108: Heat Mode Performance Data

    Outdoor WB (°C) 1737 1928 2510 2912 3100 1740 2140 2610 3150 3225 1640 2185 2601 3329 3418 17.2.2 CS-BE35TKE CU-BE35TKE Indoor (°C) Outdoor WB (°C) 1823 2366 1057 3099 1104 3550 1042 3779 1036 1826 2600 1050 3190 1130...

  • Page 109: 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 Dry Bulb/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: 220-230V...
  • Page 110 18.1.2 CS/CU-BE35TKE 18.00 17.00 16.00 15.00 14.00 13.00 12.00 11.00 Outdoor Air Temperature (°C) 220V 230V 6.40 6.00 5.60 5.20 4.80 4.40 4.00 3.60 3.20 2.80 2.40 Outdoor Air Temperature (°C) 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 Outdoor Air Temperature (°C)
  • Page 111 18.1.3 CS/CU-BE50TKE 16.00 15.00 14.00 13.00 12.00 11.00 10.00 9.00 8.00 23 25 Outdoor Air Temperature (°C) 220V 230V 10.00 9.00 8.00 7.00 6.00 5.00 4.00 3.00 2.00 23 25 Outdoor Air Temperature (°C) 1.200 1.100 1.000 0.900 0.800 0.700 0.600 23 25 Outdoor Air Temperature (°C)

  • Page 112: Heat Mode Outdoor Air Temperature Characteristic

    18.2 Heat Mode Outdoor Air Temperature Characteristic Condition Indoor room temperature: 20°C Dry Bulb/ -°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: 220-230V 18.2.1 CS/CU-BE25TKE Outdoor Air Temperature (°C) 220V 230V...
  • Page 113 18.2.2 CS/CU-BE35TKE Outdoor Air Temperature (°C) 220V 230V 5.50 5.00 4.50 4.00 3.50 3.00 2.50 Outdoor Air Temperature (°C) 3.50 3.00 2.50 2.00 1.50 1.00 Outdoor Air Temperature (°C)
  • Page 114 18.2.3 CS/CU-BE50TKE 65.00 60.00 55.00 50.00 45.00 40.00 35.00 30.00 25.00 -20 -18 -16 -14 -12 -10 -8 10 12 14 16 18 20 22 24 26 Outdoor Air Temperature (°C) 220V 230V 11.00 10.00 9.00 8.00 7.00 6.00 5.00 4.00 3.00 -20 -18 -16 -14 -12 -10 -8...

  • Page 115: 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-BE25TKE CS/CU-BE35TKE 1.02 1.00 0.98 0.96 0.94 0.92 10 11 12 13 14 15 16 Pipe Length (m) 1.04 1.02 1.00 0.98...
  • Page 116 18.3.2 CS/CU-BE50TKE 1.03 1.01 0.99 0.97 0.95 Pipe Length (m) 1.02 1.01 1.00 0.99 0.98 0.97 0.96 Pipe Length (m) Note: The graphs show the factor after added right amount of additional refrigerant.

  • Page 117: Exploded View And Replacement Parts List

    19. Exploded View and Replacement Parts List 19.1 Indoor Unit 19.1.1 CS-BE25TKE CS-BE35TKE 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 118 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-BE25TKE CS-BE35TKE REMARK CHASSIS COMPLETE CWD50C1903 ← FAN MOTOR L6CBYYYL0177 ← CROSS-FLOW FAN COMPLETE CWH02C1159 ← BEARING ASSY CWH64K1010 ← SCREW - CROSS-FLOW FAN CWH551146 ← EVAPORATOR ACXB30C00770 ← FLARE NUT (LIQUID) CWT251030 ←...
  • Page 119 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-BE25TKE CS-BE35TKE REMARK INSTALLATION INSTRUCTION ACXF60-14810 ← INSTALLATION INSTRUCTION ACXF60-15920 ← (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock.
  • Page 120 19.1.2 CS-BE50TKE 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 121 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-BE50TKE REMARK CHASSIS COMPLETE CWD50C1901 FAN MOTOR L6CBYYYL0037 CROSS-FLOW FAN COMPLETE CWH02C1076 BEARING ASSY CWH64K1010 SCREW - CROSS-FLOW FAN CWH551146 EVAPORATOR ACXB30C01200 FLARE NUT (LIQUID) CWT251030 FLARE NUT (GAS) CWT251032 CONTROL BOARD CASING CWH102605 TERMINAL BOARD COMPLETE CWA28C2742...
  • Page 122 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-BE50TKE REMARK INSTALLATION INSTRUCTION ACXF60-14810 INSTALLATION INSTRUCTION ACXF60-15920 (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock.

  • Page 123: Outdoor Unit

    19.2 Outdoor Unit 19.2.1 CU-BE25TKE CU-BE35TKE 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 ← DISCHARGE MUFFLER CWB121021 ← V-COIL COMPLETE (EXP.VALVE) CWA43C2603 ← PLATE SPRING CWH71044 PANASONIC BADGE CWE373439 ← (Note)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock.
  • Page 125 19.2.2 CU-BE50TKE 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 126 CWB11094 ACCUMULATOR CWB131065 SOUND PROOF MATERIAL CWG302740 SOUND PROOF MATERIAL CWG302745 PANASONIC BADGE CWE373439 (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock. [PAPAMY] Printed in Malaysia...

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