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TABLE OF CONTENTS
1 Safety Precaution ------------------------------------------------ 2
2 Specifications ----------------------------------------------------- 4
2.1. CS-E7GKEW CU-E7GKE ------------------------------ 4
2.2. CS-E9GKEW CU-E9GKE ------------------------------ 6
2.3. CS-E12GKEW CU-E12GKE --------------------------- 8
3 Features ------------------------------------------------------------10
4 Location of Controls and Components ------------------11
4.1. Product Overview----------------------------------------- 11
5 Dimensions--------------------------------------------------------12
5.1. Indoor Unit--------------------------------------------------12
5.2. Outdoor Unit -----------------------------------------------13
6 Refrigeration Cycle Diagram --------------------------------14
7 Block Diagram----------------------------------------------------15
8 Wiring Connection Diagram --------------------------------16
8.1. Indoor Unit--------------------------------------------------16
8.2. Outdoor Unit -----------------------------------------------17
9 Electronic Circuit Diagram -----------------------------------18
CS-E7GKEW CU-E7GKE
CS-E9GKEW CU-E9GKE
CS-E12GKEW CU-E12GKE
PAGE
9.1. Indoor Unit ------------------------------------------------- 18
9.2. Outdoor Unit----------------------------------------------- 19
10 Printed Circuit Board ------------------------------------------ 20
10.1. Indoor Unit ------------------------------------------------- 20
10.2. Outdoor Unit----------------------------------------------- 22
11 Installation Instruction ---------------------------------------- 23
11.1. Select The Best Location ------------------------------ 23
11.2. Indoor/Outdoor Unit Installation Diagram ---------- 23
11.3. Indoor Unit ------------------------------------------------- 24
11.4. Outdoor Unit----------------------------------------------- 27
12 Operation and Control ---------------------------------------- 30
12.1. Basic Function -------------------------------------------- 30
12.2. Protection Control---------------------------------------- 40
13 Servicing Mode -------------------------------------------------- 44
13.1. Auto OFF/ON Button ------------------------------------ 44
13.3. Remote Control Button --------------------------------- 45
© 2006 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0611054C2
Air Conditioner
PAGE
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Summary of Contents for Panasonic CU-E7GKE
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Page 1: Table Of Contents
13.2. Select Remote Control Transmission Code ------- 44 9 Electronic Circuit Diagram -----------------------------------18 13.3. Remote Control Button --------------------------------- 45 © 2006 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
14 Troubleshooting Guide---------------------------------------- 46 15.2. Outdoor Electronic Controller Removal 14.1. Refrigeration Cycle System --------------------------- 46 Procedure-------------------------------------------------- 54 14.2. Breakdown Self Diagnosis Function ---------------- 48 16 Technical Data --------------------------------------------------- 55 14.3. Error Codes Table---------------------------------------- 49 16.1. Operation Characteristics ----------------------------- 55 15 Disassembly and Assembly Instructions --------------- 50 16.2. - Page 3 1. The 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.
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Page 4: Specifications
2 Specifications 2.1. CS-E7GKEW CU-E7GKE ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 2.05 (0.70 ~ 2.40) Capacity kCal/h 1760 (600 ~ 2060) 4.27 (4.12 ~ 4.07) kCal/hW 3.67 (3.53 ~ 3.49) dB (A) High 37, Low 24... - 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 19 2 x 24 x 17 36.4 x 504 x 713 Size (W x H x L) 610 x 315 x 25.4 Material...
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Page 6: Cs-E9Gkew Cu-E9Gke
2.2. CS-E9GKEW CU-E9GKE ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 2.60 (0.80 ~ 3.00) Capacity kCal/h 2240 (690 ~ 2580) 4.41 (4.57 ~ 4.00) kCal/hW 3.80 (3.94 ~ 3.44) dB (A) High 39, Low 25 High 46 Noise Level Power level dB 3.60 (0.80 ~ 5.00) - 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 19 2 x 24 x 17 36.4 x 504 x 713 Size (W x H x L) 610 x 315 x 25.4 Material...
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Page 8: Cs-E12Gkew Cu-E12Gke
2.3. CS-E12GKEW CU-E12GKE ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 3.50 (0.80 ~ 4.00) Capacity kCal/h 3010 (690 ~ 3440) 3.68 (4.32 ~ 3.33) kCal/hW 3.17 (3.73 ~ 2.87) dB (A) High 42, Low 28 High 48 Noise Level Power level dB 4.80 (0.80 ~ 6.50) - 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 2 x 24 x 17 36.4 x 504 x 713 Size (W x H x L) 610 x 315 x 25.4 Material...
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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 4.1.3. Remote Control... -
Page 12: Dimensions
5 Dimensions 5.1. Indoor Unit... -
Page 13: Outdoor Unit
5.2. Outdoor Unit... -
Page 14: Refrigeration Cycle Diagram
6 Refrigeration Cycle Diagram Piping size Rated Common Max. Max. Piping Additional Model Length Length Elevation Length Refrigerant Liquid (g/m) E7GK, E9GK, E12GK 3/8” 1/4” If piping length is over common length, additional refrigerant should be added as shown in the table. -
Page 15: Block Diagram
7 Block Diagram... -
Page 16: Wiring Connection Diagram
8 Wiring Connection Diagram 8.1. Indoor Unit... -
Page 17: Outdoor Unit
8.2. Outdoor Unit... -
Page 18: Electronic Circuit Diagram
9 Electronic Circuit Diagram 9.1. Indoor Unit... -
Page 19: Outdoor Unit
9.2. Outdoor Unit... -
Page 20: Printed Circuit Board
10 Printed Circuit Board 10.1. Indoor Unit 10.1.1. Main Printed Circuit Board... - Page 21 10.1.2. Power Printed Circuit Board 10.1.3. Indicator Panel 10.1.4. Patrol...
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Page 22: Outdoor Unit
10.2. Outdoor Unit 10.2.1. Main Printed Circuit Board... -
Page 23: Installation Instruction
11 Installation Instruction 11.1. Select The Best Location 11.2. Indoor/Outdoor Unit INDOOR UNIT Installation Diagram • 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 24: Indoor Unit
11.3. Indoor Unit 11.3.1. HOW TO FIX INSTALLATION PLATE 11.3.2. TO DRILL A HOLE IN THE WALL The mounting wall is strong and solid enough to prevent it from INSTALL SLEEVE the vibration. PIPING 1. Insert the piping sleeve to the hole. 2. - Page 25 3. For the embedded piping (This can be used for left rear piping and left bottom piping also.)
- Page 26 11.3.4. 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.
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Page 27: Outdoor Unit
11.4. Outdoor Unit 11.4.1. 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 28: Evacuation Of The Equipment
11.4.3. 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 29 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.
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Page 30: 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 31: Heating Operation
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 32: Indoor Fan Motor Operation
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 33: Outdoor Fan Motor Operation
[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 34: Quiet Operation (Heating)
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 35: Powerful Mode Operation
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 36: Off Timer Control
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 37 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 38 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 39 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.
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Page 40: 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 41: Compressor Tank Temperature Rise Protection Control
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 42: Outdoor Air Temperature Control
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 43: Freeze Prevention Control
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 44: 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 45: 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 46: 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 47 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...
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Page 48: 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 49: Error Codes Table
14.3. Error Codes Table 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 50: 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 51 • 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 52 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 53 • 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...
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Page 54: Outdoor Electronic Controller Removal Procedure
15.2. Outdoor Electronic Controller Removal Procedure 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 55: Technical Data
16 Technical Data 16.1. Operation Characteristics 16.1.1. CS-E7GKEW CU-E7GKE... - Page 59 16.1.2. CS-E9GKEW CU-E9GKE...
- Page 63 16.1.3. CS-E12GKEW CU-E12GKE...
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Page 67: Sensible Capacity Chart
16.2. Sensible Capacity Chart CS-E7GKEW CU-E7GKE 230V Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 2.03 1.54 0.44 1.90 1.48 0.47 1.77 1.42 0.51 1.61 1.35 0.55 19.0°C 2.05 0.48 19.5°C 2.23 1.61 0.45 2.09 1.55 0.48 1.94 1.49 0.52 1.77... -
Page 68: 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 69 REF. PART NAME & DESCRIPTION QTY. CS-E7GKEW CS-E9GKEW CS-E12GKEW REMARKS ← ← CHASSY COMPLETE CWD50C1513 ARW61F8P30AC (N. Europe Only) ← FAN MOTOR ARW61E8P30AC ARW61E8P30AC (Others) ← ← CROSS FLOW FAN COMPLETE CWH02C1045 ← ← BEARING ASSY CWH64K007 ← ← SCREW - CROSS FLOW FAN CWH551146 ←...
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Page 70: Outdoor Unit
17.2. 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. PART NAME & DESCRIPTION QTY. CU-E7GKE CU-E9GKE CU-E12GKE REMARKS ← ← CHASSY ASS’Y CWD50K2073 CWG302314 — (E. Europe, L. America, — (E. Europe, L. America, SOUND PROOF MATERIAL (N. Europe Only) Turkey) Turkey) CWG302447 (Others) CWG302314 (Others) CWG302314 (Others) ←...
- Page 72 REF. PART NAME & DESCRIPTION QTY. CU-E7GKE CU-E9GKE CU-E12GKE REMARKS INSTALLATION INSTRUCTION ← ← CWF613078 (NED., GRE., ITA., POR.) ← ← INSTALLATION INSTRUCTION (BUL.) CWF613082 ← ← HOLDER SENSOR CWH321023 CWG302315 — (E. Europe, L. America, — (E. Europe, L. America, SOUND PROOF MATERIAL (N.