Panasonic CS-E15GKEW Service Manual
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Panasonic CS-E15GKEW Service Manual

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1 Safety Precaution ------------------------------------------------ 2
2 Specifications ----------------------------------------------------- 4
2.1. CS-E15GKEW CU-E15GKE-1 ------------------------ 4
CS-E15GKEW CU-E15GKE
CS-E15GKEW CU-E15GKE-1
CS-E15GKE-3 CU-E15GKE-3
PAGE
2.2. CS-E15GKE-3 CU-E15GKE-3 -------------------------6
2.3. CS-E15GKEW CU-E15GKE ---------------------------8
3 Features------------------------------------------------------------ 10
© 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0701010C2
Air Conditioner
PAGE

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Summary of Contents for Panasonic CS-E15GKEW

  • Page 1: Table Of Contents

    2.2. CS-E15GKE-3 CU-E15GKE-3 -------------------------6 2 Specifications ----------------------------------------------------- 4 2.3. CS-E15GKEW CU-E15GKE ---------------------------8 2.1. CS-E15GKEW CU-E15GKE-1 ------------------------ 4 3 Features------------------------------------------------------------ 10 © 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd. (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Safety Precaution

    5.2. Outdoor Unit ----------------------------------------------- 14 12.2. Protection Control --------------------------------------- 53 6 Refrigeration Cycle Diagram -------------------------------- 15 13 Servicing Mode-------------------------------------------------- 57 6.1. CS-E15GKEW CU-E15GKE-1 ----------------------- 15 13.1. Auto OFF/ON Button ----------------------------------- 57 6.2. CS-E15GKEW CU-E15GKECS-E15GKE-3 13.2. Select Remote Control Transmission Code------- 57 CU-E15GKE-3 -------------------------------------------- 16 13.3.
  • Page 3 4. Install at a strong and firm location which is able to withstand the set's weight. If the strength is not enough or installation is not properly done, the set will drop and cause injury. 5. For electrical work, follow the local national wiring standard, regulation and the installation instruction. An independent circuit and single outlet must be used.

  • Page 4: Specifications

    2 Specifications 2.1. CS-E15GKEW CU-E15GKE-1 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 4.30 (0.80 ~ 5.00) Capacity kCal/h 3700 (690 ~ 4300) 3.21 (4.10 ~ 3.13) kCal/hW 2.76 (3.54 ~ 2.69) dB (A) High 43, Low 31...
  • Page 5 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Fin Material Aluminium (Pre Coat) Aluminium Fin Type Slit Fin Corrugated Fin Heat Exchanger Row x Stage x FPI 2 x 15 x 21 2 x 24 x 17 36.4 x 504 x 713 Size (W x H x L) 610 x 315 x 25.4 Material...

  • Page 6: Cs-E15Gke-3 Cu-E15Gke-3

    2.2. CS-E15GKE-3 CU-E15GKE-3 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 4.40 (0.90 ~ 5.00) Capacity BTU/h 15000 (3070 ~ 17100) kCal/h 3780 (770 ~ 4300) 3.21 (4.19 ~ 3.13) BTU/hW 10.9 (14.3 ~ 10.7) dB (A) High 43, Low 32 High 46 Noise Level Power level dB...
  • Page 7 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Fin Material Aluminium (Pre Coat) Aluminium Fin Type Slit Fin Corrugated Fin Heat Exchanger Row x Stage x FPI 2 x 15 x 21 1 x 28 x 18 Size (W x H x L) 610 x 315 x 25.4 22 x 711 x 835 Material...

  • Page 8: Cs-E15Gkew Cu-E15Gke

    2.3. CS-E15GKEW CU-E15GKE ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 4.40 (0.90 ~ 5.00) Capacity BTU/h 15000 (3070 ~ 17100) kCal/h 3780 (770 ~ 4300) 3.21 (4.19 ~ 3.13) BTU/hW 10.9 (14.3 ~ 10.7) dB (A) High 43, Low 32...
  • Page 9 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Fin Material Aluminium (Pre Coat) Aluminium Fin Type Slit Fin Corrugated Fin Heat Exchanger Row x Stage x FPI 2 x 15 x 21 1 x 28 x 18 Size (W x H x L) 610 x 315 x 25.4 22 x 711 x 835 Material...

  • Page 10: Features

    3 Features • Product • Serviceability Improvement - Four modes of operation selection - Removable and washable Front Panel - Powerful mode to reach the desired room temperature - Breakdown Self Diagnosis function quickly with full power and a strong airflow - Quiet mode to provide a quiet environment by reducing •...

  • Page 11: Location Of Controls And Components

    4 Location of Controls and Components 4.1. Product Overview 4.1.1. Indoor Unit 4.1.2. Outdoor Unit 4.1.2.1. CU-E15GKE CU-E15GKE-3 4.1.2.2. CU-E15GKE-1...
  • Page 12 4.1.3. Remote Control...

  • Page 13: Dimensions

    5 Dimensions 5.1. Indoor Unit...

  • Page 14: Outdoor Unit

    5.2. Outdoor Unit 5.2.1. CU-E15GKE-1 5.2.2. CU-E15GKE CU-E15GKE-3...

  • Page 15: Refrigeration Cycle Diagram

    6 Refrigeration Cycle Diagram 6.1. CS-E15GKEW CU-E15GKE-1 Piping size Rated Common Max. Min. Piping Max. Piping Additional Model Length Length Elevation Length Length Refrigerant Liquid (g/m) E15GK 1/2” 1/4” If piping length is over common length, additional refrigerant should be added as shown in the table.

  • Page 16: Cs-E15Gkew Cu-E15Gkecs-E15Gke-3 Cu-E15Gke-3

    6.2. CS-E15GKEW CU-E15GKE CS-E15GKE-3 CU-E15GKE-3 Piping size Rated Common Max. Min. Piping Max. Piping Additional Model Length Length Elevation Length Length Refrigerant Liquid (g/m) E15GK 1/2” 1/4” If piping length is over common length, additional refrigerant should be added as shown in the table.

  • Page 17: Block Diagram

    7 Block Diagram 7.1. CS-E15GKEW CU-E15GKE-1...

  • Page 18: Cs-E15Gkew Cu-E15Gkecs-E15Gke-3 Cu-E15Gke-3

    7.2. CS-E15GKEW CU-E15GKE CS-E15GKE-3 CU-E15GKE-3...

  • Page 19: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. Indoor Unit...

  • Page 20: Outdoor Unit

    8.2. Outdoor Unit 8.2.1. CU-E15GKE-1...
  • Page 21 8.2.2. CU-E15GKE CU-E15GKE-3...

  • Page 22: Electronic Circuit Diagram

    9 Electronic Circuit Diagram 9.1. Indoor Unit...

  • Page 23: Outdoor Unit

    9.2. Outdoor Unit 9.2.1. CU-E15GKE-1...
  • Page 24 9.2.2. CU-E15GKE CU-E15GKE-3...

  • Page 25: Printed Circuit Board

    10 Printed Circuit Board 10.1. Indoor Unit 10.1.1. Main Printed Circuit Board...
  • Page 26 10.1.2. Power Printed Circuit Board 10.1.3. Indicator Panel 10.1.4. Patrol...

  • Page 27: Outdoor Unit

    10.2. Outdoor Unit 10.2.1. Main Printed Circuit Board 10.2.1.1. CU-E15GKE-1...
  • Page 28 10.2.1.2. CU-E15GKE CU-E15GKE-3...

  • Page 29: Installation Instruction

    11 Installation Instruction 11.1. CS-E15GKEW CU-E15GKE-1 11.1.1. Select The Best Location 11.1.2. Indoor/Outdoor Unit Installation INDOOR UNIT Diagram • There should not be any heat source or steam near the unit. • There should not be any obstacles blocking the air circulation.
  • Page 30 11.1.3. Indoor Unit 11.1.3.2. TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF 11.1.3.1. HOW INSTALLATION PIPING PLATE 1. Insert the piping sleeve to the hole. The mounting wall is strong and solid enough to prevent it from 2.
  • Page 31 3. For the embedded piping (This can be used for left rear piping and left bottom piping also.)
  • Page 32 11.1.3.4. CONNECT THE CABLE TO THE INDOOR UNIT 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
  • Page 33 11.1.4. Outdoor Unit 11.1.4.1. INSTALL THE OUTDOOR UNIT • After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. 1. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2. When installing at roof, please consider strong wind and earthquake.
  • Page 34 11.1.4.3. EVACUATION OF THE EQUIPMENT WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. 1. 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 35 4. Cable connection to the power supply through knife switch (Disconnecting means). • Connect the approved polychloroprene sheathed power supply cable (3 x 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). Note: Knife switch (Disconnecting means) should have minimum 3.5 mm contact gap.

  • Page 36: Cs-E15Gkew Cu-E15Gkecs-E15Gke-3 Cu-E15Gke-3

    11.2. CS-E15GKEW CU-E15GKE CS-E15GKE-3 CU-E15GKE-3 11.2.1. Select The Best Location 11.2.2. Indoor/Outdoor Unit Installation INDOOR UNIT Diagram • There should not be any heat source or steam near the unit. • There should not be any obstacles blocking the air circulation.
  • Page 37 11.2.3. Indoor Unit 11.2.3.1. HOW INSTALLATION 11.2.3.2. TO DRILL A HOLE IN THE WALL PLATE AND INSTALL A SLEEVE OF The mounting wall is strong and solid enough to prevent it from PIPING the vibration. 1. Insert the piping sleeve to the hole. 2.
  • Page 38 3. For the embedded piping (This can be used for left rear piping and left bottom piping also.)
  • Page 39 11.2.3.4. CONNECT THE CABLE TO THE INDOOR UNIT 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
  • Page 40 11.2.4. Outdoor Unit 11.2.4.1. INSTALL THE OUTDOOR UNIT • After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. 1. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2. When installing at roof, please consider strong wind and earthquake.
  • Page 41 11.2.4.3. EVACUATION OF THE EQUIPMENT WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. 1. 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 42 4. Cable connection to the power supply through knife switch (Disconnecting means). • Connect the approved polychloroprene sheathed power supply cable (3 x 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). Note: Knife switch (Disconnecting means) should have minimum 3.5 mm contact gap.

  • Page 43: Operation And Control

    12 Operation and 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 44 12.1.4. Heating Operation 12.1.4.1. Thermostat control • Compressor is OFF when Intake Air Temperature - Internal Setting Temperature > +2.0°C. • Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature < Compressor OFF point.
  • Page 45 The operation mode chart for this example is as shown in below figure and the operation mode to be performed will depend on indoor intake air temperature and outdoor air temperature at the time when the judgment is made. 12.1.6. Indoor Fan Motor Operation A.
  • Page 46 [Heating] • According to indoor pipe temperature, automatic heating fan speed is determined as follows. B. Feedback control • Immediately after the fan motor started, feedback control is performed once every second. • During fan motor on, if fan motor feedback 2550 rpm or <...
  • Page 47 2. Manual vertical airflow direction can be set using remote control; the angles of the vane are as stated above and the positions of the vane are as Figure 2 below. When the air conditioner is stopped using remote control, the vane will shift to close position.
  • Page 48 4. When operation mode is changed, quiet operation is shifted to quiet operation of the new mode, expect fan only mode. 5. During quiet operation, if timer “on” activates, quiet operation maintains. 6. After off, when on back, quiet operation is not memorised. C.
  • Page 49 12.1.13. OFF Timer Control OFF timer can be set using remote control, the unit with timer set will stop operate at set time. 12.1.14. Auto Restart Control 1. 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 50 b. Patrol operation stop condition When any of the following condition is fulfilled: • When “OFF/ON” button is pressed. • During any operation with Patrol, “Patrol” button is pressed again. • When “e-ion” button is pressed. • When OFF Timer activates. c.
  • Page 51 d. Airflow direction (Horizontal, Vertical) Control • During any operation mode combines with Patrol operation, airflow direction follows respective operation mode. • During Patrol individual operation if e-ion starts, only Auto Air Swing is allowed. Even if “Air Swing” button is pressed, no signal is sent to air conditioner, and no change on LCD display.
  • Page 52 c. e-ion operation pause condition • When indoor fan stop (during deice, odor cut control, thermostat off, etc.). e-ion operation resume after indoor fan restarts. • When indoor intake temperature 40°C. e-ion operation resume after indoor intake temperature < 40°C continuously for 30 minutes.

  • Page 53: Protection Control

    Troubleshooting Method • Press “e-ion” button or “OFF/ON” button to stop the operation and check the e-ion Air Purifying system main connector to PCB. • After that, press “e-ion” button again to confirm the e-ion indicator not blinking. • The 24 times counter will be clear after 10 minutes of normal operation or when operation stops. Error Reset Method •...
  • Page 54 12.2.1.4. IPM (Power transistor) Prevention Control A. Overheating Prevention Control 1. When the IPM temperature rises to 100°C, compressor operation will stop immediately. 2. Compressor operation restarts after 3 minutes the temperature decreases to 95°C. B. DC Peak Current Control 1.
  • Page 55 b. Control contents • Compressor stops (and restart after 3 minutes) • If the conditions above happen 2 times within 20 minutes, the unit will: - Stop operation - Timer LED blinks and “F91” indicated 12.2.1.8. Low Frequency Protection Control 1 When the compressor operate at frequency lower than 24 Hz continued for 20 minutes, the operation frequency will be changed to 23 Hz for 2 minutes.
  • Page 56 12.2.2.3. Freeze Prevention Control 1. When indoor heat exchanger temperature is lower than 0°C continuously for 6 minutes, compressor will stop operating. 2. Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 13°C. 3. At the same time, indoor fan speed increase +20 rpm compared to its normal operation. 4.

  • Page 57: Servicing Mode

    13 Servicing Mode 13.1. Auto OFF/ON Button 1. AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction. 2.

  • Page 58: Remote Control Button

    Remote Control Printed Circuit Board Jumper A (J-A) Jumper B (J-B) Remote Control No. Short Open A (Default) Open Open Short Short Open Short 13.3. Remote Control Button 13.3.1. SET BUTTON • To check current remote control transmission code - Press for more than 10 seconds. •...

  • Page 59: Troubleshooting Guide

    14 Troubleshooting Guide 14.1. 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 14.1.1. Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Heating Mode Condition of the air Electric current Electric current Low Pressure High Pressure Low Pressure High Pressure conditioner during operating during operating Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer...

  • Page 61: Breakdown Self Diagnosis Function

    14.2. Breakdown Self Diagnosis Function 14.2.1. Self Diagnosis Function (Three Digits Alphanumeric Code) • Once abnormality has occurred during operation, the unit 7. The breakdown diagnosis mode will be canceled unless will stop its operation, and Timer LED blinks. pressing the CHECK button continuously for 5 seconds or •...

  • Page 62: Error Codes Table

    14.3. Error Codes Table 14.3.1. CU-E15GKE-1 Diagnosis Abnormality Emergency Primary location to verify Abnormality / Protection control display Judgement operation No abnormality detected — Normal operation Indoor / outdoor abnormal > 1 min after starting Indoor fan operation • Internal / external cable connections communication operation only...
  • Page 63 14.3.2. CU-E15GKE CU-E15GKE-3 Diagnosis Abnormality Emergency Abnormality / Protection control Primary location to verify display Judgement operation No abnormality detected — Normal operation — Indoor / outdoor abnormal > 1 min after starting Indoor fan operation • Internal / external cable connections communication operation only...

  • Page 64: Disassembly And Assembly Instructions

    15 Disassembly and Assembly Instructions High voltages 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. 15.1. Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 15.1.1.
  • Page 65 • Press the Hold to the right side, remove the Particular Piece and slide out the Main Electronic Controller (Fig. 4). Fig. 4 • Release the CN-DATA1. (Fig. 5) • Release the CN-CLN. (Fig.5) • Release the CN-FB (for S12GK only). (Fig.5) •...
  • Page 66 15.1.4. To remove the Discharge Grille • Pull out the Drain Hose (behind the Discharge Grille) from outlet to remove the Discharge Grille. (Fig. 8) Fig. 8 15.1.5. To remove the Control Board • Release the 3 screws. (Fig. 9) •...
  • Page 67 • Lift up the Evaporator and remove the Cross Flow Fan from the unit by pulling it to the left and downward. Fan Motor can be removed after the removal of the Cross Flow Fan (Fig. 12) Fig. 12...

  • Page 68: Outdoor Electronic Controller Removal Procedure

    15.2. Outdoor Electronic Controller Removal Procedure 15.2.1. CU-E15GKE-1 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: Fig. 1 Fig. 4 2. Remove the 6 screws of the Front Panel. Fig.
  • Page 69 15.2.2. CU-E15GKE CU-E15GKE-3 1. Remove the 4 screws of the Top Panel. 4. Remove the Control Board. Fig. 4 5. Remove the 8 screws of the Electronic Controller. Fig. 1 2. Remove the 10 screws of the Front Panel. Fig. 5 Fig.

  • Page 70: Technical Data

    16 Technical Data 16.1. Operation Characteristics 16.1.1. CS-E15GKEW CU-E15GKE-1...
  • Page 74 16.1.2. CS-E15GKEW CU-E15GKE CS-E15GKE-3 CU-E15GKE-3...

  • Page 78: Sensible Capacity Chart

    16.2. Sensible Capacity Chart CS-E15GKEW CU-E15GKE-1 230V Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 4.27 3.23 1.23 3.99 3.10 1.32 3.71 2.98 1.41 3.37 2.83 1.52 19.0°C 4.30 1.34 19.5°C 4.68 3.39 1.25 4.38 3.25 1.35 4.07 3.13 1.44 3.70...

  • Page 79: Exploded View And Replacement Parts List

    17 Exploded View and Replacement Parts List 17.1. Indoor Unit Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 80 REF. NO. PART NAME & DESCRIPTION QTY. CS-E15GKEW CS-E15GKE-3 REMARKS ← CHASSY COMPLETE CWD50C1513 ← FAN MOTOR ARW61E8P30AC ← CROSS FLOW FAN COMPLETE CWH02C1045 ← BEARING ASSY CWH64K007 ← SCREW - CROSS FLOW FAN CWH551146 EVAPORATOR CWB30C2100 CWB30C2159 ← FLARE NUT (1/4”) CWT251030 ←...

  • Page 81: Outdoor Unit

    17.2. Outdoor Unit 17.2.1. CU-E15GKE-1 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 82 REF. NO. PART NAME & DESCRIPTION QTY. CU-E15GKE-1 REMARKS CHASSY ASS’Y CWD50K2073 SOUND PROOF MATERIAL — FAN MOTOR BRACKET CWD541030 SCREW - FAN MOTOR BRACKET CWH551198 FAN MOTOR CWA951555 SCREW - FAN MOTOR MOUNT CWH55252J PROPELLER FAN ASS’Y CWH03K1010 NUT - PROPELLER FAN CWH56053J COMPRESSOR 5RS102XBC01...
  • Page 83 17.2.2. CU-E15GKE CU-E15GKE-3 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 84 REF. NO. DESCRIPTION & NAME QTY. CU-E15GKE CU-E15GKE-3 REMARKS ← CHASSY ASS’Y CWD50K2085 ← ANTI-VIBRATION BUSHING CWH50077 ← COMPRESSOR 5CS130XAD04 ← NUT-COMPRESSOR MOUNT CWH56000J ← SOUND PROOF MATERIAL CWG302302 ← FAN MOTOR BRACKET CWD541084 ← FAN MOTOR CWA981166J ← SCREW - FAN MOTOR BRACKET CWH551198 ←...

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