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Panasonic CS-C9BKNG Service Manual

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CS-C9BKNG CU-C9BKN5G / CS-C12BKNG CU-C12BKN5G
2001 Matsushita Air-Conditioning Corp. Sdn. Bhd. (183914D).
All rights reserved. Unauthorized copying and distribution is a
violation of law.
1. Features
- High Efficiency
- Compact Design
- Comfort Environment
- 8 hours of sleep mode operation
- Air filter with function to reduce dust and smoke
Order No. MAC0111063C3
Room Air Conditioner
1

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Summary of Contents for Panasonic CS-C9BKNG

  • Page 1 Order No. MAC0111063C3 Room Air Conditioner CS-C9BKNG CU-C9BKN5G / CS-C12BKNG CU-C12BKN5G 2001 Matsushita Air-Conditioning Corp. Sdn. Bhd. (183914D). All rights reserved. Unauthorized copying and distribution is a violation of law. 1. Features - High Efficiency - Compact Design - Comfort Environment...
  • Page 2 - Wider range of horizontal discharge air - Auto Restart - Random auto restart after power failure for safety restart operation - Removable and Washable Front Panel - Remote Control Self-illuminating Button - Catechin Air Purifying Filter - Trap dust, tobacco smoke and tiny particles - Prevent the growth of bacteria and viruses trapped - Solar Refreshing Deodorizing Filter - Remove unpleasant odour from the air...
  • Page 3 Unit CS-C9BKNG CU-C9BKN5G Cooling Capacity kW (BTU/h) 2.65 - 2.70 (9,040 - 9,200) Moisture Removal l/h (Pint/h) 1.6 (3.4) Phase Single Power Source 220 - 240 Cycle Airflow Method OUTLET SIDE VIEW TOP VIEW INTAKE Air Volume Indoor Air (Lo) 6.8 (240) - 6.8 (240)
  • Page 4 Drain Inner diameter — Hose Length — Dimensions Height inch (mm) 10 - 13/16 (275) 21 - 1/4 ( Width inch (mm) 31 - 15/32 (799) 30 - 23/32 Depth inch (mm) 8 - 9/32 (210) 11 - 3/8 ( Net Weight lb (kg) 20 (9.0)
  • Page 5 Unit CS-C12BKNG CU-C12BKN5G Cooling Capacity kW (BTU/h) 3.60 - 3.65 (12,300 - 12,400) Moisture Removal l/h (Pint/h) 2.1 (4.4) Phase Single Power Source 220 - 240 Cycle Airflow Method OUTLET SIDE VIEW TOP VIEW INTAKE Air Volume Indoor Air (Lo) 7.3 (260) - 7.3 (260) —...
  • Page 6 Drain Inner diameter — Hose Length — Dimensions Height inch (mm) 10 - 13/16 (275) 21 - 1/4 ( Width inch (mm) 31 - 15/32 (799) 30 - 23/32 Depth inch (mm) 8 - 9/32 (210) 11 - 3/8 ( Net Weight lb (kg) 20 (9.0)
  • Page 7 4. Dimensions...

  • Page 8: Refrigeration Cycle Diagram

    5. Refrigeration Cycle Diagram...

  • Page 9: Block Diagram

    6. Block Diagram...

  • Page 10: Wiring Diagram

    7. Wiring Diagram...

  • Page 11: Operation Details

    8. Operation Details 8.1. Cooling Mode Operation Cooling in operation according to Remote Control setting. Time Delay Safety Control (3 minutes)
  • Page 12 - When the compressor is stopped by Remote Control, it restarts after 3 minutes when the Remote Control is turned ON. - When the setting temperature is reached during cooling operation, the compressor stops and it will not start for 3 minutes. 7 minutes Time Save Control - The compressor will start automatically if it has stopped for 7 minutes even if the room temperature is between the compressor...
  • Page 13 Compressor Reverse Rotation Protection Control - If the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and indoor heat exchanger is 2.5°C or less for 2 minutes, compressor will stop and restart automatically. / (Time Delay Safety Control is valid) T = Intake air temperature - Indoor heat exchanger temperature / This is to protect reverse rotation of the compressor when there is a instantaneous power failure.

  • Page 14: Soft Dry Mode Operation

    - Deodorizing Control. Cooling Operation Time Diagram 8.2. Soft Dry Mode Operation - The unit starts cooling operation until the room temperature...
  • Page 15 reaches the setting temperature set on the Remote Control, and then Soft Dry operation will start. - During Soft Dry operation, the Indoor Fan will operate at SLo speed. - The operation will be switched on and off for up to 10 minutes “ON”...
  • Page 16 Automatic Fan Speed Mode When Automatic Fan Speed is selected at Remote Control during Soft Dry operation. - Fan speed off and on at SLo speed. - Deodorizing Control. Soft Dry Operation Time Diagram...

  • Page 17: Air Circulation Mode Operation

    8.3. Air Circulation Mode Operation - When the temperature near the ceiling reaches the setting temperature, Air Circulation Mode operation commences at low airflow volume. It stops when the temperature drops to 2°C below the setting temperature. / Air Circulation Mode Operation Time Diagram 8.4.

  • Page 18: Sleep Mode Auto Operation

    mode operation. - Room temperature adjustment. The following are added to the setting temperature specified as above. - The mode judging temperature and standard setting temperature can be increased by 2°C, by open the circuit of JX1 at indoor electronic controller. 8.5.
  • Page 19 8.6. Powerful Mode Operation - Purpose of this operation is to obtain the setting temperature quickly. / - When the Powerful Mode is set, the set temperature will be automatically decreased 3°C against the present setting temperature (Lower temperature: 16°C). / - This operation automatically will be running under SHi Fan Speed (Cooling), SLo Fan Speed (Soft Dry).
  • Page 20 - Vertical Airflow Direction:- In “Manual” or “Auto” setting, the vane will automatically change to Auto Air Swing. / - Economy Mode will stop if:- - Economy Mode button is pressed again. - Stopped by ON / OFF switch. - Timer OFF activates. - Powerful mode button is pressed.

  • Page 21: Vertical Airflow Direction Control

    8.10. Vertical Airflow Direction Control Vertical Airflow Direction Auto-Control - When set a Airflow Direction Auto-Control with remote control, the louver swings up and down as shown in the diagram. - The louver does not swing when the Indoor Fan Motor stops during operation at the upper limit.
  • Page 22 1. There is no swinging while indoor fan motor is stopped during Cooling and Soft Dry operation. 2. In Air Circulation operation, when the intake air temperature reaches set temperature, the airflow direction is changed from upper limit to lower limit. When the intake air temperature falls to 2°C than set temperature, the airflow direction is changed from lower limit to upper limit.

  • Page 23: Installation Instructions

    - For Automatic mode, the indoor fan will operate at SLo speed for 25 seconds, 15 minutes before the set time to detect the intake air temperature to determine the operation mode. The operation indication lamp will blink at this time. 8.12.
  • Page 24 to use the correct rating of the power plug and main circuit for the model to be installed. - The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as below. Incorrect installation due to ignoring of the instruction will cause harm or damage, and the seriousness is classified by the following indications.
  • Page 25 1. Engage dealer or specialist for installation. If installation done by the user is defective, it will cause water leakage, electrical shock or fire. 2. Install according to this installation instruction strictly. If installation is defective, it will cause water leakage, electrical shock or fire.
  • Page 26 1. This equipment must be earthed. It may cause electrical shock if grounding is not perfect. 2. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire. 3.
  • Page 27 Applicable piping kit CZ-3F5, 7AEN (C9BKNG) CZ-4F5, 7, 10AN (C12BKNG) SELECT THE BEST LOCATION INDOOR UNIT - There should not be any heat source or steam near the unit. - There should not be any obstacles blocking the air circulation. - A place where air circulation in the room is good.
  • Page 28 - If piping length is over the common length, additional refrigerant should be added as shown in the table. Piping Max. Max. Additional size Common Elevation Piping Refrigerant Length Length Model Gas Liquid (g/m) C9BKNG 3/8” 1/4” C12BKNG 1/2” 1/4” Indoor/Outdoor Unit Installation Diagram - This illustration is for explanation purposes only.

  • Page 29: Indoor Unit

    will actually face a different way. 10.2. INDOOR UNIT 10.2.1. SELECT THE BEST LOCATION / (Refer to “Select the best location” section) 10.2.2. HOW TO FIX INSTALLATION PLATE The mounting wall is strong and solid enough to prevent it from the vibration. The centre of installation plate should be at more than 450 mm at right and left of the wall.

  • Page 30: Indoor Unit Installation

    - Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outdoor side. 10.2.3. TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF PIPING 1. Insert the piping sleeve to the hole. 2.
  • Page 31 3. For the embedded piping...
  • Page 32 (This can be used for left rear piping & left bottom piping also.)

  • Page 33: Connect The Cable To The Indoor Unit

    10.2.5. CONNECT THE CABLE TO THE INDOOR UNIT 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 (C9BKNG, C12BKNG) × 1.5 flexible cord, type designation 245 IEC 57 or heavier cord.
  • Page 34 INSTALLATION OF AIR PURIFYING FILTERS 1. Open the front panel. 2. Remove the air filters. 3. Put air purifying filters (left) and solar refreshing deodorizing filter (right) into place as shown in illustration below.

  • Page 35: Auto Operation Mode

    HOW TO TAKE OUT FRONT GRILLE Please follow the steps below to take out front grille if necessary such as when servicing. 1. Set the vertical airflow direction louver to the horizontal position. 2. Slide down the two caps on the front grille as shown in the illustration below, and then remove the two mounting screws.

  • Page 36: Install The Outdoor Unit

    The ON/OFF of Remote Controller receiving sound can be change over by pressing the “AUTO” Switch continuously for 10 sec. and above. A “pep”, “pep” sound will occur at the tenth sec., in order to indicate the “ON/OFF” change over of remote control receiving sound.

  • Page 37: Connecting The Piping

    10.3.3. CONNECTING THE PIPING Connecting The Piping To Indoor Unit Please make flare after inserting flare nut (locate at joint portion of tube assembly) onto the copper pipe. (In case of using long piping) Connect the piping - Align the center of piping and sufficiently tighten the flare nut with fingers.

  • Page 38: Air Purging Of The Piping And Indoor Unit

    10.3.4. AIR PURGING OF THE PIPING AND INDOOR UNIT The remaining air in the Refrigeration cycle which contains moisture may cause malfunction on the compressor. 1. Remove the caps from the 2-way and 3-way valves. 2. Remove the service-port cap from the 3-way valves. 3.

  • Page 39: Connect The Cable To The Outdoor Unit

    4(A). Checking gas leakage for the left piping. Connect the manifold gauge to the service (1) * port of 3-way valve. Measure the pressure. Keep it for 5-10 minutes. (2) * Ensure that the pressure indicated on the gauge is the same as that of measured during the first time.

  • Page 40: Pipe Insulation

    3. Secure the cable onto the control board with the holder (clamper). 4. Cable connection to the power supply (220-240 V, 50 Hz) through knife switch (Disconnecting means). - Connect the approved polychlorophrene sheathed power supply cable (1.5 mm ), type designation 245 IEC 57 or heavier cord to the terminal board, and connect the other end of the cable to knife switch (Disconnecting means).
  • Page 41 EVALUATION OF THE PERFORMANCE - Operate the unit at cooling operation mode for fifteen minutes or more. - Measure the temperature of the intake and discharge air. - Ensure the difference between the intake temperature and the discharge is more than 8°C. CHECK ITEMS...

  • Page 42: Way, 3-Way Valve

    Is there any gas leakage at flare nut connections? Has the heat insulation been carried out at flare nut connection? Is the connecting cable being fixed to terminal board firmly? Is the connecting cable being clamped firmly? Is the drainage OK? (Refer to “Check the drainage”...
  • Page 43 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Works Shaft Position Shaft Position Service Shipping Close Close Close (With valve cap) (With valve cap) (With Evacuation Close Close Open (Installation and (Counter-Clockwise) (Clockwise) (Push Re-installation) Operation Open Open Close (With valve cap) (With valve cap) (With Pumping down...
  • Page 44 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Gas releasing Open (Servicing) Open Open (Connected manifold 11.1. Air Purging of the Piping and Indoor Unit 11.1.1. Air purging (Installation) Required tools: hexagonal wrench, adjustable wrench, torque wrenches, wrench to hold the joints and gas leak detector.
  • Page 45 3. Check for gas leakage. - Check the flare connection for gas leakage. 4. Purge the air from the system - Set the 2-way valve to the open position and remove the cap from the 3-way valve’s service port. - Using the hexagonal wrench to press the valve core pin, discharge for three seconds and then wait for one minute.
  • Page 46 Procedure: Confirm that both the 2-way and 3-way valves are set to the opened position. - Remove the valve stem caps and confirm that the valve stems are in the opened position. - Be sure to use a hexagonal wrench to operate the valve stems.
  • Page 47 7. Immediately set the 3-way valve to the closed position. - Do this quickly so that the gauge ends up indicating 3 to 5 kg/ G (0.3 to 0.5 MPa). 8. Disconnect the charge set, and mount the 2-way and 3-way valve’s stem nuts and the service port caps.
  • Page 48 Purge the air by loosening the flare nut on the 2-way valve approximately 45° for 3 seconds then closing it for 1 minute; repeat 3 times. - After purging the air, use a torque wrench to tighten the flare nut on the 2-way valve. 4.
  • Page 49 Procedure: Confirm that both the 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the 3-way valve’s service port. - Leave the valve on the charge set closed. - Connect the charge hose with the push pin to the service port. 3.
  • Page 50 Procedure: 1. Connect the vacuum pump to the charge set’s centre hose. 2. Evacuation for approximately one hour. - Confirm that the gauge needle has moved toward -0.1 MPa (- 76 cmHg) [vacuum of 4 mmHg or less.] 3. Close the valve (Low side) on the charge set, turn off the vacuum pump, and confirm that the gauge needle does not move (approximately 5 minutes after turning off the vacuum pump).
  • Page 51 Procedure: 1. Connect the charge hose to the charging cylinder. - Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. 2. Purge the air from the charge hose. - Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be careful of the liquid refrigerant).

  • Page 52: Servicing Information

    This is different from previous procedures. Because you are charging with liquid refrigerant from the gas side, absolutely do no attempt to charge with large amount of liquid refrigerant while operating the air conditioner. 4. Immediately disconnect the charge hose from the 3-way valve’s service port.
  • Page 53 12.2. Indoor Fan Motor and Cross Flow Fan Removal Procedures - Remove the Control Board by:- - Releasing CN-REC/DISP connectors. (Fig. - Releasing CN-FM connectors. (Fig. - Releasing CN-STM connector. (Fig. - Removing the Earth Wire screw. (Fig. - Releasing the Intake Air Sensor. (Fig.
  • Page 54 - Pulling out the Drain Hose from outlet to remove the Discharge Grille. (Fig. - Removing the right and left screws. (Fig. - Then remove the Control Board by pressing down the hook at the left and pushing up the right hook. (Fig.
  • Page 55 - Remove the screws at the left of the Evaporator. (Fig. - Remove the Bearing. (Fig. - Push up the Evaporator and pull out the Cross Flow Fan from shaft. By then, Fan Motor can be taken out. (Fig. Fig. 8 Fig.

  • Page 56: Troubleshooting Guide

    - Changing the wireless remote control transmission code When two indoor units are installed in the same room, in order to prevent operating errors caused by using two remote controls, cut a jumper wire at the remote control printed circuit board (A - B) and cut a jumper wire at the indoor printed circuit board (JX4).
  • Page 57 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. 13.1.1. Relationship between the condition of the air conditioner and pressure and electric current...
  • Page 58 Cooling Mode Condition of the air conditoner Low Pressure High Pressure Electric current operation Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression - Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is started.

  • Page 59: Technical Data

    14. Technical Data...

  • Page 60: Exploded View

    15. Exploded View...

  • Page 61: Replacement Parts List

    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. 16. Replacement Parts List <Model: CS-C9BKNG / CS-C12BKNG>...
  • Page 62 CS-C9BKNG CS-C12BKNG REF. NO. PART NAME & DESCRIPTION QTY. REMARKS CHASSY COMPLETE CWD50C1177 FAN MOTOR CWA921060 CROSS FLOW FAN COMPLETE CWH02C1012 BEARING ASS’Y CWH64K007 SCREW - CROSS FLOW FAN CWH4580304 EVAPORATOR CWB30C1143 CWB30C1124 FLARE NUT CWH6002140(1/4”) FLARE NUT CWT25005 (3/8”) CWT25007 (1/2”)
  • Page 63 (Note) - All parts are supplied from MACC, Malaysia (Vendor Code: 086). - “O” marked parts are recommended to be kept in stock. 17. Exploded View 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 64 18. Replacement Parts List <Model: CU-C9BKN5G / CU-C12BKN5G> CU-C9BKN5G CU-C12BKN5G REF. NO. PART NAME & DESCRIPTION QTY. REMARKS CHASSY ASS’Y CWD50K2053A CWD50K2052A SOUND PROOF MATERIAL CWG302110 FAN MOTOR BRACKET CWD541030 SCREW - FAN MOTOR BRACKET CWH55413 FAN MOTOR CWA951088 CWA951120 SCREW - FAN MOTOR MOUNT CWH55406 PROPELLER FAN ASS’Y...

  • Page 65: Electronic Parts List

    - “O” marked parts are recommended to be kept in stock. 19. Electronic Parts List <Electronic Controller Part No.: CWA742777 & CWA742684> SYMBOL DESCRIPTION & NAME PART NO. BZ101 SOUND GENERATOR A48040 C-FM SH CAPACITOR A31698 D08, D10, D11 DIODE B0ACCK000005 (CWA742777 only) DB01 DIODE...
  • Page 66 How to use electronic circuit diagram...

  • Page 67: Timer Table

    TIMER TABLE Test Mode Name Time Remarks (When test point Short-circuited) Sleep Mode Waiting 1 hr. 6 sec. Sleep Mode Operation 8 hrs. 48 sec. 1 hr. 1 min. Real Timer 10 min. 10 sec. 1 min. 1 sec. Time Delay Safety Control 2 min.

  • Page 68: Remote Control

    Random FM Timer 5 sec. 5 sec. (Economy Mode) Random Auto Restart 0 ~ 62 sec. 0 ~ 6.2 sec. Control 20.1. REMOTE CONTROL / / 20.2. PRINT PATTERN / INDOOR UNIT PRINTED CIRCUIT BOARD / / / TOP VIEW...
  • Page 69 20.3. PRINT PATTERN / INDOOR UNIT PRINTED CIRCUIT BOARD / / / BOTTOM VIEW...
  • Page 70 [MACC] Printed in Malaysia /...
  • Page 71 Remote Control Self illuminating button OFF / ON I TEMP. Operation OFF / ON Room Temperature Setting Cooling, Soft Dry, Air Circulation Operation. MODE • Temperature Setting (16°C to 30°C) Operation Mode Selection Automatic Operation • Automatic Operation Mode AUTO •...
  • Page 72 Indoor Unit AUTO OFF / ON Automatic Operation Button Random Auto Restart Control • Press for < 5s to operate Automatic • Operation is restarted randomly after operation mode. power failure at previous setting mode. (Used when the remote control cannot be used.) Anti-Freezing Control •...
  • Page 73 Outdoor Unit Compressor Reverse Rotation Protection Control • To protect compressor from reverse rotation when there is a instantaneous power failure. Overload Protector • 2-Stage OLP to protect the compressor. Overload Protector will trip when – Temperature of compressor increases to 120°C.
  • Page 74 SAFETY PRECAUTIONS I Installation Precautions I Operation Precautions Before operating, please read the following “Safety Precautions” carefully. Warning Warning G To prevent personal injury, injury to others and This sign warns of death or serious injury. property damage, the following instructions must be G Do not install, remove and reinstall the unit by followed.
  • Page 75 G How to Insert the Batteries NAME OF EACH PART I Remote Control 1 Signal Transmitter 2 Operation Display 3 Room Temperature Setting Button (self-illuminating button) AUTO AUTO 4 Operation Mode Selection Button SPEED COOL AUTO SWING DELAY OFF ON 5 Powerful/Economy Mode Operation Button TEMP OFF/ON...

  • Page 76: Convenience Operation

    I Setting the Fan Speed I Setting the Horizontal Airflow Direction G Operation Details • Press 4 to select:- – Low Fan Speed COOL – Cooling Operation – Medium Fan Speed • To set the room temperature at your preference –...

  • Page 77: Care And Maintenance

    CARE AND MAINTENANCE I Pre-season Inspection I Air Purifying Filters I Cleaning the Indoor Unit and Remote Control G Is the discharged air cold? • Wipe gently with a soft, dry cloth. Operation is normal if 15 minutes after the start of •...

  • Page 78: Troubleshooting

    TROUBLESHOOTING I Call the Dealer Immediately I Normal Operation If the following conditions occur, turn off the main power Is it okay? This is the answer supply, and then call the dealer immediately. • Air conditioner has been restarted, but does not •...

  • Page 79: Schematic Diagram

    • CS-C9BKNG / CU-C9BKN5G • CS-C12BKNG / CU-C12BKN5G SCHEMATIC DIAGRAM 1/3 MAIN RECEIVER (CR3) PH302C CN-RCV VCC1 TEST 0.01µ VCC2 6.3V 47µ 0.01µ 137k 5.1k 0.01µ µPC2800AGR 0.01µ INDICATOR (PH10) SW101 CN-DISP AUTO CN-DISP POWER SLEEP TIMER POWERFUL 0.01µ ECONOMY (XH4) 0.01µ...
  • Page 80 SCHEMATIC DIAGRAM 2/3 4.7k SSR01 DB01 P50/A8 – AUTO OPERATION P51/A9 RY-PWR DRIVE SIGNAL TEST RUN STEPPING 4.7k REMOTE CONTROL MOTOR P52/A10 SOUND DRIVE P03/INTP3 SIGNAL TIMER SHORTEN P53/A11 P02/INTP2 BUZZER FAN SPEED 4.7k P54/A12 P01/INTP1 DRIVE SIGNAL DISPLAY P55/A13 POWER CLOCK INPUT P00/INTP0 REMOTE-CONTROL...
  • Page 81 SCHEMATIC DIAGRAM 3/3 THERMAL FUSE 102°C OUTDOOR POWER SUPPLY (WHT) RY-PWR FUSE 250V CAPACITOR FAN MOTOR 0.047µ IC04 IC03 ZNR01 REGULATOR REGULATOR 511U CAPACITOR SSR01 ZNR03 125µH 3300µ 470µ 100µ – 511U – – (NHG) COMPRESSOR 0.47µ 39k/2W 39k/2W PC01 C-FM 400V 1.5µ...

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