Panasonic CS-VE9NKE Service Manual
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Panasonic CS-VE9NKE Service Manual

Panasonic CS-VE9NKE 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.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.

TABLE OF CONTENTS

1. Safety Precautions.............................................3
2. Specification .......................................................5
3. Features ............................................................11
4.1
Indoor Unit..................................................12
4.2
Outdoor Unit ...............................................12
4.3
Remote Control ..........................................12
5. Dimensions .......................................................13
5.1
Indoor Unit & Remote Control ....................13
5.2
Outdoor Unit ...............................................14
6. Refrigeration Cycle Diagram...........................15
7. Block Diagram ..................................................16
8. Wiring Connection Diagram............................17
8.1
Indoor Unit..................................................17
WARNING
PRECAUTION OF LOW TEMPERATURE
PAGE
9. Electronic Circuit Diagram ..............................19
10. Printed Circuit Board .......................................21
11. Installation Instruction.....................................24
12. Operation Control.............................................33
Indoor Unit
CS-VE9NKE
CS-VE12NKE
8.2
outdoor Unit................................................18
9.1
Indoor Unit..................................................19
9.2
outdoor Unit................................................20
10.1
Indoor Unit..................................................21
10.2
Outdoor Unit ...............................................23
11.1
Select the Best Location ............................24
11.2
Indoor Unit..................................................25
11.3
Outdoor Unit ...............................................30
12.1
Basic Function............................................33
12.2
Indoor Fan Motor Operation.......................34
12.3
Outdoor Fan Motor Operation ....................35
© Panasonic Appliances Air-Conditioning Malaysia
Sdn. Bhd. 2012. Unauthorized copying and distribution
is a violation of law.
Order No: PAPAMY1206XXXCE
Outdoor Unit
CU-VE9NKE
CU-VE12NKE
PAGE

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  • Page 1: Table Of Contents

    7. Block Diagram ..........16 12.1 Basic Function..........33 8. Wiring Connection Diagram......17 12.2 Indoor Fan Motor Operation.......34 12.3 Outdoor Fan Motor Operation ....35 Indoor Unit..........17 © Panasonic Appliances Air-Conditioning Malaysia Sdn. Bhd. 2012. Unauthorized copying and distribution is a violation of law.
  • Page 2 12.4 Airflow Direction..........35 12.5 Quiet operation (Cooling Mode/Cooling area of Dry Mode)........37 12.6 Quiet operation (Heating) ......37 12.7 Powerful Mode Operation......38 12.8 Timer Control..........38 12.9 Auto Restart Control ........38 12.10 Indication Panel ..........38 12.11 nanoe-G Operation........39 12.12 Mild Dry Cooling Operation ......41 12.13 AUTO COMFORT and ECO NAVI Operation............41 13.

  • 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 19. During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrigeration piping and valves at opened condition will caused suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc). 20.

  • Page 5: Specification

    2. Specification Indoor CS-VE9NKE Model Outdoor CU-VE9NKE Performance Test Condition EN 14511 Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. Capacity 0.60 2.50 3.00 0.60 2.50 3.00 Running Current — — — — Input Power Annual Consumption —...
  • Page 6 Indoor CS-VE9NKE Model Outdoor CU-VE9NKE Type Cross-flow fan Material AS+GF Resin Motor Type PWM (8-poles) Input Power 23.6 Output Power Cool Heat Cool Heat Cool Speed Heat Cool 1110 Heat 1110 Cool 1190 Heat 1110 Type Propeller Fan + Flat piece...
  • Page 7 Indoor CS-VE9NKE Model Outdoor CU-VE9NKE Inner Diameter 16.7 Drain Hose Length Fin Material Aluminium (Pre Coat) Indoor Heat Exchanger 26.5 + 17 Fin Material Aluminium (Pre Coat) Fin Type Corrugated Fin Outdoor Heat Row x Stage x FPI 2 × 32 × 19.5 Exchanger 871.6 ×...
  • Page 8 Indoor CS-VE12NKE Model Outdoor CU-VE12NKE Performance Test Condition EN 14511 Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. Capacity 0.60 3.50 4.00 0.60 3.50 4.00 Running Current — — — — Input Power 1.10k 1.10k Annual Consumption —...
  • Page 9 Indoor CS-VE12NKE Model Outdoor CU-VE12NKE Type Cross-flow fan Material AS+GF Resin Motor Type PWM (8-poles) Input Power 28.5 Output Power Cool Heat Cool Heat Cool 1040 Speed Heat 1050 Cool 1190 Heat 1140 Cool 1270 Heat 1140 Type Propeller Fan + Flat piece Material Motor Type DC Brushless (8-poles)
  • Page 10 Indoor CS-VE12NKE Model Outdoor CU-VE12NKE Inner Diameter 16.7 Drain Hose Length Fin Material Aluminium (Pre Coat) Indoor Heat Exchanger 26.5 + 17 Fin Material Aluminium (Pre Coat) Fin Type Corrugated Fin Outdoor Heat Exchanger Row x Stage x FPI 2 × 32 × 19.5 871.6 ×...

  • 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 (0.75 ~ 1.75HP) during single split connection only ...

  • Page 12: Location Of Controls And Components

    4. Location of Controls and Components Indoor Unit Outdoor Unit Remote Control...

  • Page 13: Dimensions

    5. Dimensions Indoor Unit & Remote Control...

  • Page 14: Outdoor Unit

    Outdoor Unit...

  • Page 15: Refrigeration Cycle Diagram

    6. Refrigeration Cycle Diagram...

  • Page 16: Block Diagram

    7. Block Diagram...

  • Page 17: Wiring Connection Diagram

    8. Wiring Connection Diagram Indoor Unit...

  • Page 18: Outdoor Unit

    Outdoor Unit...

  • Page 19: Electronic Circuit Diagram

    9. Electronic Circuit Diagram Indoor Unit...

  • Page 20: Outdoor Unit

    Outdoor Unit...

  • Page 21: Printed Circuit Board

    10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board...
  • Page 22 10.1.2 Printed Circuit Board...

  • Page 23: Outdoor Unit

    10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board...

  • Page 24: Installation Instruction

    11. Installation Instruction 11.1 Select the Best Location 11.1.3 Indoor/Outdoor Unit Installation 11.1.1 Indoor Unit 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 near the unit.

  • Page 25: 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 the vibration. The center of the installation plate should be at more than 495 mm at right and left of the wall. The distance from installation plate edge to ceiling should more than 80 mm.
  • Page 26 11.2.3 Indoor Unit Installation 11.2.3.1 For the Right Rear Piping 11.2.3.2 For the Right and Right Bottom Piping 11.2.3.3 For the Embedded Piping (This can be used for left rear piping and bottom piping also.)

  • Page 28: Outdoor Unit

    11.2.4 Connect the Cable to the Indoor Unit The inside and outside connection cable can be connected without removing the front grille. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 flexible cord, type designation 245 IEC 57 or heavier cord. Bind all the indoor and outdoor connection cable with tape and route the connection cable via the escapement.
  • Page 29 11.2.5 Wire Stripping and Connecting Requirement 11.2.6 Cutting and Flaring the Piping Please cut using pipe cutter and then remove the burrs. 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. Please make flare after inserting the flare nut onto the copper pipes.

  • Page 30: 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. Install at least 3 cm above the ground. Do not install the unit on the floor. Fix the unit on concrete or rigid frame firmly and horizontally by bolt (ø10 mm).
  • Page 31 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. Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve.
  • Page 32 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 outdoor unit shall be approved polychloroprene sheathed 4 x 1 .5 flexible cord, type designation 245 IEC 57 or heavier cord.
  • Page 33 16. Disassembly and Assembly Instructions 16.1 Points of Disassembly (Indoor Unit) Be sure to disconnect the power plug from the outlet before disassembly or repair of the unit. Failure to observe this warning could result in electric shock. Be very careful not to touch the live parts when performing a repair work which requires power supply or Disconnect the power plug inspecting the circuit.

  • Page 34: Airflow Direction

    16.1.3 Removing the Front Grille (Right) and Front Grille (Left) Perform “16.1.1 Removing the Front Panel”. Open the vertical airflow direction louver slowly. Remove the fixing screw (1 piece) of the indoor/outdoor unit transmission wire cover and leave the cover open.
  • Page 35 16.1.4 Removing the Control Board Box Perform “16.1.1 Removing the Front Panel”. Perform “16.1.3 Removing the Front Grille (Right) and Front Grille (Left)”.  Note on disassembly: When removing only the control board box, remove the front grille (right) only. Remove the electrical component cover (front) on the right side of the control board box.
  • Page 36 Disconnect the connectors and terminals.  Connectors CN-TH2 (green) ･････ Indoor intake air temperature sensor No. 1 CN-DISP (white) ･････ Control board (human sensor unit, signal receptor and indicator) No. 2 CN-FM (white) ･････ Fan motor No. 3 CN-TH1 (yellow) ･････ Indoor heat exchanger temperature sensor No. 4 CN-STM1 (green) ･････...
  • Page 37 Remove the earth wire screw (1 piece) and disconnect the indoor/outdoor connection wires as well as the connector for the white wire connected to the terminal block. Then, remove the control board box.  Note on assembly: About lead wire arrangement during assembly ...
  • Page 38 Disengage the tabs (5 locations) which fix the control board and then remove the control board. 16.1.6 Removing the Control Board (Emergency Operation Switch and Buzzer) Perform “16.1.1 Removing the Front Panel”. Perform “16.1.3 Removing the Front Grille (Right) and Front Grille (Left)”. ...
  • Page 39 16.1.7 Removing the Human and Object Sensor of the Control Board (Indicator and Signal Receptor) Perform “16.1.1 Removing the Front Panel”. Perform “16.1.3 Removing the Front Grille (Right) and Front Grille (Left)”. Disengage the tabs (2 locations) on both sides of the indicator panel. Then, remove the indicator panel. Flip the indicator panel and remove the screws (2 pieces).
  • Page 40 Disconnect the connector CNSTM4 (blue) connected to the control board.  How to remove the control board (signal receptor) Disconnect the connectors (3 locations) and disengage the tabs (3 locations) on the control board (signal receptor). Then, remove the control board (signal receptor). ...
  • Page 41 16.1.8 Removing the Air Filter Frame (Auto Cleaner) Perform “16.1.1 Removing the Front Panel”. Perform “16.1.2 Removing the Air Filters”.  Note on disassembly: The air filter frame can be removed without removing the air filters. Nevertheless, be sure to remove the air filters because the top portion of the air filters may get stuck while reattaching the air filter frame.
  • Page 42 16.1.9 Removing the Vertical Airflow Direction Louver  How to remove the lower louver of the vertical airflow direction louver Open the lower louver. The back side of the lower louver is designed as follows: left – inserting type; center – hook engaging type; and right –...
  • Page 43 16.1.10 Removing the Blowout Grille Perform “16.1.1 Removing the Front Panel”. Perform “16.1.2 Removing the Air Filters”. Perform “16.1.3 Removing the Front Grille (Right) and Front Grille (Left)”. Perform “16.1.4 Removing the Control Board Box”. Perform “16.1.8 Removing the Air Filter Frame (Auto Cleaner)”. Remove the screws (1 piece each on right and left) located at the bottom side of the blowout grille.
  • Page 44 16.1.11 Removing the Drive Motor of the Vertical Airflow Direction Louver (Upper and Lower Louvers) Perform “16.1.1 Removing the Front Panel”. Perform “16.1.2 Removing the Air Filters”. Perform “16.1.3 Removing the Front Grille (Right) and Front Grille (Left)”. Perform “16.1.4 Removing the Control Board Box”. Perform “16.1.8 Removing the Air Filter Frame (Auto Cleaner)”.
  • Page 45 Remove the horizontal louver (left) drive motor. Remove the drive motor fixing screw (1 piece) on the right side of the blowout grille. Push the drive motor fixing tab (1 location) towards the direction indicated by the arrow to disengage it. 10 Release the lever from the horizontal louver and remove the drive motor.
  • Page 46 Loosen the fixing screw (1 screw) which fixes the cross flow fan to the indoor motor. Pull out the cross flow fan while lifting up the left side of the heat exchanger. 10 Remove the screws (3 pieces) of the indoor motor cover and pull out the indoor motor together with the cover to the right side to remove it.

  • Page 47: Points Of Disassembly (Outdoor Unit)

    16.2 Points of Disassembly (Outdoor Unit) The electrical components of the outdoor unit are under high voltage by the operation of the booster capacitor. Fully discharge the capacitor before commencing a repair work. Failure to observe this warning could result in electric shock. CAUTION: HIGH VOLTAGE 16.2.1 Removing the Outer Top Panel and Outer Front Panel Remove the screws of the outer top panel.
  • Page 48 Disengage the tabs on the outer front panel (3 locations on the left side and 1 location on the right side). Remove the outer front panel while pulling it slightly up. 16.2.2 Removing the Electrical Component Covers (2 & 3-way valve Cover and Terminal Plate Cover) Remove the screw (1 piece) of the electrical component cover (2 &...
  • Page 49 16.2.3 Removing the Power-Supply Box Perform “16.2.1 Removing the Outer Top Panel and Outer Front Panel”. Perform “16.2.2 Removing the Electrical Component Covers (2 & 3-way valve Cover and Terminal Plate Cover)”. Disengage 4 tabs of the electrical component cover (the top cover of the control board) (2 locations each on the right and left sides).
  • Page 50 Disconnect the connector of the indoor/outdoor connection wires (red, white and black) and remove the fixing screw of the earth wire (green). Remove the screw (1 piece) which fixes the power-supply box to the outer side panel (right). Pull the outer side panel (right) towards you while pulling up the fixing tab (1 location) of the powersupply box to disengage the tab.
  • Page 51 16.2.5 Removing the Propeller Fan and Outdoor Motor Perform “16.2.1 Removing the Outer Top Panel and Outer Front Panel”. Disengage 4 tabs of the electrical component cover (the top cover of the control board) (2 locations each on the right and left sides). Remove the electrical component cover (the top cover of the control board). Remove the fixing screw (1 piece) of the power-supply box.
  • Page 52 Loosen the fixing screws (4 pieces) of the outdoor motor and remove the outdoor motor.  Notes on assembly: When assembling the propeller fan and outdoor motor, the alignment mark located in the center part of the propeller fan should be aligned with the slit in the shaft of the outdoor motor. 16.2.6 Removing the Outer Side Panel (Right) Perform “16.2.1 Removing the Outer Top Panel and Outer Front Panel”.
  • Page 53 Pull the outer side panel (right) towards you while pulling up the fixing tab (1 location) of the power-supply box to disengage the tab. Remove the fixing screws (5 pieces) of the outer side panel (right) and remove the outer side panel (right). ...
  • Page 54 16.2.7 Removing the Compressor and Heat Storage Tank Perform “16.2.1 Removing the Outer Top Panel and Outer Front Panel”. Perform “16.2.2 Removing the Electrical Component Covers (2 & 3-way valve Cover and Terminal Plate Cover)”. Perform “16.2.3 Removing the Power-Supply Box”. Perform “16.2.6 Removing the Outer Side Panel (Right)”.
  • Page 55 Remove the acoustic insulation material and then remove the nuts which fix the compressor (2 locations). (The heat storage tank is attached to the compressor.)  Note on disassembly: Use a box wrench to remove the nut located on the right side from the front view. Remove the welded parts (4 locations).
  • Page 56 Remove the compressor and heat storage tank. Cut the bands (2 locations) which fix the compressor to the heat storage tank. Remove the clamp and separate the compressor and heat storage tank.  Note on disassembly: Remove the heat storage tank sensor when replacing the heat storage tank.

  • Page 57: Operation Characteristics

    17. Technical Data 17.1 Operation Characteristics 17.1.1 CS-VE9NKE CU-VE9NKE Cooling Characteristic Condition Room temperature: 27°C (DBT), 19°C (WBT) Piping length: 5m Fc : 29Hz...
  • Page 58 Piping Length Characteristic Cooling Condition Room temperature: 27°C (DBT), 19°C (WBT) Outdoor temperature: 35°C (DBT) Fc : 29Hz...
  • Page 59 Heating Characteristic Condition Room temperature: 20°C (DBT) Piping length: 5m Fh : 37Hz...
  • Page 60 Piping Length Characteristic Heating Condition Room temperature: 20°C (DBT) Outdoor temperature: 7.0°C (DBT), 6.0°C (WBT) Fh : 37Hz...
  • Page 61 17.1.2 CS-VE12NKE CU-VE12NKE Cooling Characteristic Condition Room temperature: 27°C (DBT), 19°C (WBT) Piping length: 5m Fc : 48Hz...
  • Page 62 Piping Length Characteristic Cooling Condition Room temperature: 27°C (DBT), 19°C (WBT) Outdoor temperature: 35°C (DBT) Fc : 48Hz...
  • Page 63 Heating Characteristic Condition Room temperature: 20°C (DBT) Piping length: 5m Fh : 49Hz...
  • Page 64 Piping Length Characteristic Heating Condition Room temperature: 20°C (DBT) Outdoor temperature: 7.0°C (DBT), 6.0°C (WBT) Fh : 49Hz...
  • Page 65 17.2 Sensible Capacity Chart  CS-VE9NKE CU-VE9NKE 230V Outdoor Temp. (ºC) Indoor wet bulb temp. 17.0ºC 2.47 1.51 0.44 2.31 1.44 0.48 2.15 1.39 0.51 19.0ºC 0.49 19.5ºC 2.73 1.58 0.45 2.56 1.51 0.49 2.38 1.46 0.52 22.0ºC 2.98 1.63 0.46...

  • Page 66: Exploded View And Replacement Parts List

    18. Exploded View and Replacement Parts List 18.1 Indoor Unit...
  • Page 67 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 68 REF NO. PART NAME & DESCRIPTION QTY. CS-VE9NKE CS-VE12NKE REMARK CHASSIS CWD50C1740 ← MOTOR (SMALL DC) ARW7714AC ← CROSS-FLOW FAN ASS'Y CWH02K1068 ← BEARING ASS'Y CWH64K1005 ← L-SHAPED PLATE CWD601212 ← L-SHAPED PLATE CWD601213 ← PARTICULAR PLATE CWD911992B ← HEAT EXCHANGER CWB30C3987 ←...
  • Page 69 REF NO. PART NAME & DESCRIPTION QTY. CS-VE9NKE CS-VE12NKE REMARK HOLDER-P.S. CORD CWH311001 ← PARTICULAR PIECE CWD933197 ← CONTROL BOARD COVER CWH131370 ← ELECTRONINC CONTROL-MAIN CWA73C6759 CWA73C6760 FRONT GRILLE FRAME CWE121212 ← FRONT GRILLE FRAME CWE121213 ← GRILLE DOOR CWE14C1100 ←...
  • Page 70 18.2 Outdoor 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.
  • Page 71 REF. NO. DESCRIPTION & NAME QTY. CU-VE9NKE CU-VE12NKE REMARK CHASSIS CWD50K2229 ← HEATER CWA341072 ← ANTI-VIBRATION BUSHING CWH50077 ← COMPRESSOR CWB092610 ← MULTIBENT TUBE CWT338949 ← PARTICULAR PIECE CWD933310 ← SENSOR-COMPLETE CWA50C2676 ← TERMINAL COVER CWH171053 ← NUT-TERMINAL COVER CWH7080300J ←...
  • Page 72 REF. NO. DESCRIPTION & NAME QTY. CU-VE9NKE CU-VE12NKE REMARK UNION NUT 3/8" CWT251049 ← CONTROL BOARD COVER CWH131551 ← HOLDER-P.S. CORD CWH311082 ← CONTROL BOARD COVER CWH13C1214 ← SCREW CWH551060J ← PACKAGING-C.C.CASE CWG50C2950 ← SHOCK ABSORBER CWG713492 ← SHOCK ABSORBER CWG713493 ←...

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