Table of Contents
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TABLE OF CONTENTS
1 Safety Precautions----------------------------------------------- 2
2 Specifications ----------------------------------------------------- 4
2.1. CS-E24GKES CU-E24GKE---------------------------- 4
2.2. CS-E28GKE CU-E28GKE------------------------------ 6
3 Features ------------------------------------------------------------- 8
4 Location of Controls and Components ------------------- 9
4.1. Indoor Unit--------------------------------------------------- 9
4.2. Outdoor Unit ------------------------------------------------ 9
4.3. Remote Control -------------------------------------------- 9
5 Dimensions--------------------------------------------------------10
5.1. Indoor Unit & Remote Control -------------------------10
5.2. Outdoor Unit ----------------------------------------------- 11
6 Refrigeration Cycle Diagram --------------------------------12
7 Block Diagram----------------------------------------------------13
8 Wiring Connection Diagram ---------------------------------14
8.1. Indoor Unit--------------------------------------------------14
8.2. Outdoor Unit -----------------------------------------------15
CS-E24GKES CU-E24GKE
CS-E28GKE CU-E28GKE
PAGE
9 Electronic Circuit Diagram----------------------------------- 17
9.1. Indoor Unit ------------------------------------------------- 17
9.2. Outdoor Unit----------------------------------------------- 18
10 Printed Circuit Board ------------------------------------------ 19
10.1. Indoor Unit ------------------------------------------------- 19
10.2. Outdoor Unit----------------------------------------------- 21
11 Installation Instruction ---------------------------------------- 25
11.1. Select The Best Location ------------------------------ 25
11.2. Indoor/Outdoor Unit Installation Diagram ---------- 25
11.3. Indoor Unit ------------------------------------------------- 26
11.4. Outdoor Unit----------------------------------------------- 29
12 Operation And Function -------------------------------------- 32
12.1. Basic Function -------------------------------------------- 32
12.2. Airflow Direction ------------------------------------------ 32
of Soft Dry Mode) ---------------------------------------- 33
12.4. Powerful Mode Operation------------------------------ 35
© 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0701008C2
Air Conditioner
PAGE
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Summary of Contents for Panasonic CS-E28GKE
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Page 1: Table Of Contents
12.3. Quiet operation (Cooling Mode/Cooling area 8.1. Indoor Unit--------------------------------------------------14 of Soft Dry Mode) ---------------------------------------- 33 8.2. Outdoor Unit -----------------------------------------------15 12.4. Powerful Mode Operation------------------------------ 35 © 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 Precautions
14.1. Auto OFF/ON Button ------------------------------------ 45 18 Exploded View and Replacement Parts List----------- 72 14.2. Select Remote Control Transmission Code ------- 45 18.1. CS-E24GKES CS-E28GKE -------------------------- 72 14.3. Remote Control Button --------------------------------- 46 18.2. CU-E24GKE CU-E28GKE---------------------------- 74 15 Troubleshooting Guide---------------------------------------- 47 1 Safety Precautions •... - Page 3 When connecting the piping, do not allow air or any substances other than the specified refrigerant to enter the refrigeration cycle. Otherwise, this may lower the capacity, cause abnormally high pressure in the refrigeration cycle, and possibly result in explosion and injury. Thickness of copper pipes used must be more than 0.6 mm.
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Page 4: Specifications
2 Specifications 2.1. CS-E24GKES CU-E24GKE ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 6.80 (0.90 ~ 8.10) Capacity BTU/h 23200 (3070 ~ 27600) kCal/h 5850 (770 ~ 6970) 3.21 (2.57 ~ 3.00) BTU/hW 10.9 (8.8 ~ 10.2) dB (A) High 47, Low 38 High 52 Noise Level... - 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 30 x 19 38.1 x 762 x 873.8 Size (W x H x L) 810 x 315 x 25.4 903.8...
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Page 6: Cs-E28Gke Cu-E28Gke
2.2. CS-E28GKE CU-E28GKE ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 7.65 (0.90 ~ 8.60) Capacity BTU/h 26100 (3070 ~ 29300) kCal/h 6580 (770 ~ 7400) 3.01 (2.57 ~ 2.92) BTU/hW 10.3 (8.8 ~ 9.9) dB (A) High 49, Low 38... - 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 2 x 30 x 19 38.1 x 762 x 873.8 Size (W x H x L) 810 x 315 x 25.4 903.8...
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Page 8: 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 9: Location Of Controls And Components
4 Location of Controls and Components 4.1. Indoor Unit 4.2. Outdoor Unit 4.3. Remote Control... -
Page 10: Dimensions
5 Dimensions 5.1. Indoor Unit & Remote Control... -
Page 11: Outdoor Unit
5.2. Outdoor Unit... -
Page 12: Refrigeration Cycle Diagram
6 Refrigeration Cycle Diagram... -
Page 13: Block Diagram
7 Block Diagram... -
Page 14: Wiring Connection Diagram
8 Wiring Connection Diagram 8.1. Indoor Unit... -
Page 15: Outdoor Unit
8.2. Outdoor Unit 8.2.1. CU-E24GKE... - Page 16 8.2.2. CU-E28GKE...
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Page 17: Electronic Circuit Diagram
9 Electronic Circuit Diagram 9.1. Indoor Unit... -
Page 18: Outdoor Unit
9.2. Outdoor Unit... -
Page 19: Printed Circuit Board
10 Printed Circuit Board 10.1. Indoor Unit 10.1.1. Main Printed Circuit Board... - Page 20 10.1.2. Power Printed Circuit Board 10.1.3. Indicator Printed Circuit Board...
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Page 21: Outdoor Unit
10.2. Outdoor Unit 10.2.1. Main Printed Circuit Board... - Page 23 10.2.2. Power Printed Circuit Board...
- Page 24 10.2.3. Noise Filter Printed Circuit Board...
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Page 25: Installation Instruction
11 Installation Instruction 11.1. Select The Best Location 11.2. 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. • A place where air circulation in the room is good. •... -
Page 26: Indoor Unit
11.3. 11.3.2. TO DRILL A HOLE IN THE WALL Indoor Unit INSTALL SLEEVE 11.3.1. HOW TO FIX INSTALLATION PLATE PIPING The mounting wall is strong and solid enough to prevent it from 1. Insert the piping sleeve to the hole. the vibration. - Page 27 3. For the embedded piping (This can be used for left rear piping and left bottom piping also.)
- Page 28 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 × 2.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
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Page 29: 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 30: 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 31: Connect The Cable To The Outdoor Unit
11.4.4. CONNECT THE CABLE TO THE OUTDOOR UNIT (FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT) 1. Remove the control board cover from the unit by loosening the screw. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 2.5 mm flexible cord, type designation 245 IEC 57 or heavier cord. -
Page 32: Operation And Function
12 Operation And Function 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 33: Quiet Operation (Cooling Mode/Cooling Area Of Soft Dry Mode)
1. Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the angles as stated above. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below. -
Page 34: Quiet Operation (Heating)
b. Quiet operation stop condition 1. When one of the following conditions is satisfied, quiet operation stops: a. Powerful button is pressed. b. Stop by OFF/ON switch. c. Timer “off” activates. d. Quiet button is pressed again. 2. When quiet operation is stopped, operation is shifted to normal operation with previous setting. 3. -
Page 35: Powerful Mode Operation
C. Control contents a. Fan Speed manual 1. Fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of Hi, Me, Lo for 3dB. 2. Fan speed for quiet operation is -100 rpm from setting fan speed. 3. -
Page 36: Off Timer Control
12.6. OFF Timer Control OFF timer can be set using remote control, the unit with timer set will stop operate at set time. 12.7. 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.
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Page 38: E-Ion Operation
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.
- Page 40 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 •...
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Page 41: Protection Control
13 Protection Control 13.1. Protection Control For All Operations 13.1.1. Time Delay Safety Control 1. The compressor will not start for three minutes after stop of operation. 2. This control is not applicable if the power supply is cut off and on again or after 4-way valve deices condition. 13.1.2. -
Page 42: Protection Control For Cooling & Soft Dry Operation
13.1.5. Compressor Overheating Prevention Control Instructed frequency for compressor operation will be regulated by compressor top temperature. The changes of frequency are as below figure. 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. 13.2.2. -
Page 43: Protection Control For Heating Operation
• Control contents: Outdoor fan speed (switch to zone A and B minimum fan speed). Outdoor total current (zone C) higher than the specified. • Cancellation condition: When one of above is not satisfied. 13.2.3. Freeze Prevention Control 1. When indoor heat exchanger temperature is lower than 2°C continuously for six minutes, compressor will stop operating. 2. - Page 44 13.3.3. Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures.
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Page 45: Servicing Mode
14 Servicing Mode 14.1. 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 46: 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 14.3. Remote Control Button 14.3.1. SET BUTTON • To check current remote control transmission code - Press for more than 10 seconds. •... -
Page 47: 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 48: 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 air conditoner Low Pressure High Pressure Electric current Low Pressure High Pressure Electric current during operation during operation Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer... -
Page 49: Breakdown Self Diagnosis Function
15.3. Breakdown Self Diagnosis Function 15.3.1. Self Diagnosis Function (Three Digits Alphanumeric Code) • Once abnormality has occurred during operation, the unit 7. The breakdown diagnosis mode will be canceled will stop its operation, and Timer LEDs blink. unless pressing the CHECK button continuously for 5 •... -
Page 50: Error Codes Table
15.4. Error Codes Table 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 51: Disassembly And Assembly Instructions
16 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. 16.1. Indoor Electronic Controllers, Cross Flow Fan And Indoor Fan Motor Removal Procedures 16.1.1. - Page 52 • Release the hooks that hold the Main Electronic Controller and pull out the Main Electronic Controller. (Fig. 4) Fig. 4 • Release the CN-DATA1 connector. (Fig. 5) • Release the CN-TH connector. (Fig. 5) • Release the CN-CLN connector. (Fig. 5) •...
- Page 53 16.1.4. 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 16.1.5. To remove the Control Board • Release the 3 screws (Fig. 9) •...
- Page 54 • Push up the Evaporator and pull out the Cross Flow Fan from shaft. By then, Fan Motor can be taken out. (Fig. 12) Fig. 12...
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Page 55: Technical Data
17 Technical Data 17.1. Operation Characteristics 17.1.1. CS-E24GKES CU-E24GKE Cooling Characteristic at Different Outdoor Air Temperature Condition Indoor room temperature: 27/19 °C Remote control setting: HI fan, COOL 16 °C Compressor frequency: Rated cooling Voltage: 230 V... - Page 57 Heating Characteristic at Different Outdoor Air Temperature Condition Indoor room temperature : 20°C Remote control setting : Hi Fan, HEAT 30°C Compressor frequency : Rated heating Voltage : 230 V...
- Page 59 Cooling Characteristic at Different Piping Length Condition Indoor room temperature : 27/19°C Remote control setting : Hi Fan, COOL 16°C Compressor frequency : Rated cooling Voltage : 230 V...
- Page 61 Heating Characteristic at Different Piping Length Condition Indoor room temperature: 20 °C Remote control setting: HI fan, HEAT 30 °C Compressor frequency: Rated heating Voltage: 230 V...
- Page 63 17.1.2. CS-E28GKE CU-E28GKE Cooling Characteristic at Different Outdoor Air Temperature Condition Indoor room temperature: 27/19 °C Remote control setting: HI fan, COOL 16 °C Compressor frequency: Rated cooling Voltage: 230 V...
- Page 65 Heating Characteristic at Different Outdoor Air Temperature Condition Indoor room temperature : 20°C Remote control setting : Hi Fan, HEAT 30°C Compressor frequency : Rated heating Voltage : 230 V...
- Page 67 Cooling Characteristic at Different Piping Length Condition Indoor room temperature : 27/19°C Remote control setting : Hi Fan, COOL 16°C Compressor frequency : Rated cooling Voltage : 230 V...
- Page 69 Heating Characteristic at Different Piping Length Condition Indoor room temperature: 20 °C Remote control setting: HI fan, HEAT 30 °C Compressor frequency: Rated heating Voltage: 230 V...
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Page 71: Sensible Capacity Chart
2.28 5.85 4.71 2.45 22.0°C 8.07 5.55 2.01 7.54 5.34 2.17 7.02 5.15 2.32 6.38 4.91 2.50 CS-E28GKE CU-E28GKE Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 7.59 5.75 2.33 7.09 5.52 2.50 6.59 5.30 2.68 6.00 5.04 2.89 19.0°C 7.65... -
Page 72: Exploded View And Replacement Parts List
18 Exploded View and Replacement Parts List 18.1. CS-E24GKES CS-E28GKE 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 73 <Model: CS-E24GKES, CS-E28GKE> REF NO. PART NAME & DESCRIPTION QTY. CS-E24GKES CS-E28GKE REMARKS ← CHASSY COMPLETE CWD50C1520 ← FAN MOTOR ARW51H8P30AC ← CROSS FLOW FAN COMPLETE CWH02C1010 ← SCREW - CROSS FLOW FAN CWH551146 ← BEARING ASS’Y CWH64K007 ← EVAPORATOR CWB30C1678 ←...
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Page 74: Cu-E24Gke Cu-E28Gke
18.2. CU-E24GKE CU-E28GKE... - Page 76 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 77 <Model: CU-E24GKE, CU-E28GKE> REF. NO. DESCRIPTION & NAME QTY. CU-E24GKE CU-E28GKE REMARKS ← BASE PAN ASS’Y CWD52K1098 ← COMPRESSOR 5KD240XAA21 ← ANTI-VIBRATION BUSHING CWH50055 ← NUT FOR COMP. MOUNT. CWH561049 ← PACKING CWB811017 CONDENSER COMPLETE CWB32C1995 CWB32C1997 ← DISCHARGE MUFFLER CWB121013 ←...
- Page 78 REF. NO. DESCRIPTION & NAME QTY. CU-E24GKE CU-E28GKE REMARKS ← OPERATION INSTRUCTION CWF565561 ← OPERATION INSTRUCTION CWF565564 ← INSTALLATION INSTRUCTION CWF613121 ← INSTALLATION INSTRUCTION CWF613122 OPERATION INSTRUCTION — CWF565581 INSTALLATION INSTRUCTION — CWF613123 INSTALLATION INSTRUCTION — CWF613133 (Note) • All parts are supplied from PHAAM, Malaysia (Vendor Code: 061). •...