Table of Contents
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TABLE OF CONTENTS
1 Safety Precautions----------------------------------------------- 3
2 Specifications ----------------------------------------------------- 5
2.1. CS-RE18GKE CU-RE18GKE ------------------------- 5
2.2. CS-RE24GKE CU-RE24GKE ------------------------- 7
3 Features ------------------------------------------------------------- 9
4 Location of Controls and Components ------------------10
4.1. Indoor Unit--------------------------------------------------10
4.2. Outdoor Unit -----------------------------------------------10
4.3. Remote Control -------------------------------------------10
5 Dimensions--------------------------------------------------------11
5.1. Indoor Unit & Remote Control ------------------------- 11
5.2. Outdoor Unit -----------------------------------------------12
6 Refrigeration Cycle Diagram --------------------------------14
7 Block Diagram----------------------------------------------------15
7.1. CS-RE18GKE CU-RE18GKE ------------------------15
7.2. CS-RE24GKE CU-RE24GKE ------------------------16
8 Wiring Connection Diagram ---------------------------------17
CS-RE18GKE CU-RE18GKE
CS-RE24GKE CU-RE24GKE
PAGE
8.1. CS-RE18GKE CU-RE18GKE ------------------------ 17
8.2. CS-RE24GKE CU-RE24GKE ------------------------ 18
9 Electronic Circuit Diagram----------------------------------- 19
9.1. CS-RE18GKE CU-RE18GKE ------------------------ 19
9.2. CS-RE24GKA CU-RE24GKA ------------------------ 21
10 Printed Circuit Board ------------------------------------------ 23
10.1. Indoor Unit ------------------------------------------------- 23
10.2. Indicator ---------------------------------------------------- 23
10.3. Outdoor Unit----------------------------------------------- 24
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
© 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0701002C2
Air Conditioner
PAGE
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Summary of Contents for Panasonic CS-RE18GKE
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Page 1: Table Of Contents
7.2. CS-RE24GKE CU-RE24GKE ------------------------16 12.1. Basic Function -------------------------------------------- 32 8 Wiring Connection Diagram ---------------------------------17 12.2. Airflow Direction ------------------------------------------ 32 © 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd. (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law. - Page 2 13.2. Protection Control For Cooling & Soft Dry Operation--------------------------------------------------- 36 13.3. Protection Control For Heating Operation --------- 37 14 Servicing Mode -------------------------------------------------- 39 14.1. CS-RE18GKE CU-RE18GKE ------------------------ 39 14.2. CS-RE24GKE CU-RE24GKE ------------------------ 40 15 Troubleshooting Guide---------------------------------------- 42 15.1. Refrigeration Cycle System --------------------------- 42 15.2.
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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 Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture. Pb free solder has a higher melting point than standard solder; typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use a high temperature soldering iron.
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Page 5: Specifications
2 Specifications 2.1. CS-RE18GKE CU-RE18GKE ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 5.30 (0.90 ~ 6.00) Capacity BTU/h 18100 (3070 ~ 20500) *kCal/h 4560 (770 ~ 5160) W/W (Class) 3.21 (4.19 ~ 2.93) BTU/hW 11.0 (14.3 ~ 10.0) - Page 6 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Fin Material Aluminium (Pre coat) Aluminium (Blue coat) Fin Type Slit Fin Corrugated Fin Heat Exchanger Row x Stage x FPI 1 x 15 x 19 2 x 34 x 16 Size (W x H x L) 810 x 315 x 25.4 36.4 x 714 x 803.2:831.9 Material...
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Page 7: Cs-Re24Gke Cu-Re24Gke
2.2. CS-RE24GKE CU-RE24GKE ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 6.8 (0.90 ~ 8.10) Capacity BTU/h 23200 (3070 ~ 27600) *kCal/h 5850 (770 ~ 6970) W/W (Class) 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 8 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Material P. P. Honey Comb — Air Filter Type Style One-Touch — 1. Cooling capacities are based on indoor temperature of 27°C D.B. (80.6°F D.B.), 19.0°C W.B. (66.2°F W.B.) and outdoor air temperature of 35°C D.B. (95°F D.B.), 24°C W.B. (75.2°F W.B.) 2.
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Page 9: Features
3 Features • Product • Serviceability Improvement - Four modes of operation selection - Removable washable Front Panel - Powerful Mode operation - Breakdown Self Diagnosis function - ON Timer and OFF Timer - Quiet Mode Operation • Environmental Protection - Automatic air swing and manual adjusted by Remote - Non-ozone depletion substances refrigerant (R410A) Control for horizontal and vertical airflow... -
Page 10: Location Of Controls And Components
4 Location of Controls and Components 4.1. Indoor Unit 4.2. Outdoor Unit 4.3. Remote Control... -
Page 11: Dimensions
5 Dimensions 5.1. Indoor Unit & Remote Control... -
Page 12: Outdoor Unit
5.2. Outdoor Unit 5.2.1. CU-RE18GKE... - Page 13 5.2.2. CU-RE24GKE...
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Page 14: Refrigeration Cycle Diagram
6 Refrigeration Cycle Diagram... -
Page 15: Block Diagram
7 Block Diagram 7.1. CS-RE18GKE CU-RE18GKE... -
Page 16: Cs-Re24Gke Cu-Re24Gke
7.2. CS-RE24GKE CU-RE24GKE... -
Page 17: Wiring Connection Diagram
8 Wiring Connection Diagram 8.1. CS-RE18GKE CU-RE18GKE... -
Page 18: Cs-Re24Gke Cu-Re24Gke
8.2. CS-RE24GKE CU-RE24GKE... -
Page 19: Electronic Circuit Diagram
9 Electronic Circuit Diagram 9.1. CS-RE18GKE CU-RE18GKE 9.1.1. Indoor Unit... - Page 20 9.1.2. Outdoor Unit...
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Page 21: Cs-Re24Gka Cu-Re24Gka
9.2. CS-RE24GKA CU-RE24GKA 9.2.1. Indoor Unit... - Page 22 9.2.2. Outdoor Unit...
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Page 23: Printed Circuit Board
10 Printed Circuit Board 10.1. Indoor Unit 10.2. Indicator... -
Page 24: Outdoor Unit
10.3. Outdoor Unit... -
Page 25: Installation Instruction
11 Installation Instruction 11.1. Select The Best Location INDOOR UNIT 11.2. Indoor/Outdoor Unit • There should not be any heat source or steam near the unit. Installation Diagram • 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. Indoor Unit 11.3.2. TO DRILL A HOLE IN THE WALL 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 & 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 x 1.5 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 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 ) RE18GK, (3 x 4.0 mm ) RE24GK 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).
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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: On Timer Control
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: Off Timer Control
12.4. OFF Timer Control OFF timer can be set using remote control, the unit with timer set will stop operate at set time. 12.5. 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 35: 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 36: 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 37: 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 38 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 39: Servicing Mode
14 Servicing Mode 14.1. CS-RE18GKE CU-RE18GKE 14.1.1. Auto Switch Operation The below operations will be performed by pressing the “AUTO” switch. 1. AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto Switch is pressed and release before 5 sec.. -
Page 40: Cs-Re24Gke Cu-Re24Gke
14.2. CS-RE24GKE CU-RE24GKE 14.2.1. Auto Switch Operation The below operations will be performed by pressing the “AUTO” switch. 1. AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto Switch is pressed. 2. TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE) The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec. -
Page 42: 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 43: 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 44: 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 45: 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 46: 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 Fig. - Page 47 Fig. 3 (RE18GK) Fig. 4 (RE24GK)
- Page 48 Fig. 5 (RE18GK) Fig. 6 (RE24GK)
- Page 49 Fig. 7 (RE24GK) Fig. 8 Fig. 9...
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Page 50: Indoor Fan Motor And Cross Flow Fan Removal Procedures
16.2. Indoor Fan Motor And Cross Flow Fan Removal Procedures Fig. 10 Fig. 11 Fig. 12... -
Page 51: Outdoor Electronic Controller Removal Procedure (Re18Gk)
16.3. Outdoor Electronic Controller Removal Procedure (RE18GK) 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. -
Page 52: Technical Data
17 Technical Data 17.1. Operation Characteristics 17.1.1. CS-RE18GKE CU-RE18GKE... - Page 56 17.1.2. CS-RE24GKE CU-RE24GKE 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 58 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 60 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 62 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 64: Sensible Capacity Chart
17.2. Sensible Capacity Chart CS-RE18GKE CU-RE18GKE Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 5.26 3.99 1.51 4.91 3.82 1.63 4.57 3.67 1.74 4.16 3.49 1.88 19.0°C 5.30 1.65 19.5°C 5.77 4.17 1.54 5.40 4.01 1.66 5.02 3.86 1.77 4.56 3.67... -
Page 65: Exploded View And Replacement Parts List
18 Exploded View and Replacement Parts List 18.1. 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 66 REF NO. PART NAME & DESCRIPTION QTY. CS-RE18GKE CS-RE24GKE ← CHASSY COMPLETE CWD50C1394 ← FAN MOTOR, DC 30W 3PH ARW51H8P30AC ← CROSS FLOW FAN COMPLETE CWH02C1010 ← SCREW - CROSS FLOW FAN CWH551146 ← BEARING ASS’Y CWH64K007 EVAPORATOR CWB30C1533 CWB30C1678 ←...
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Page 67: Cu-Re18Gke
18.2. CU-RE18GKE 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. DESCRIPTION & NAME QTY. CU-RE18GKE CHASSY ASS’Y CWD50K2085 ANTI-VIBRATION BUSHING CWH50077 COMPRESSOR 5CS130XAD04 NUT-COMPRESSOR MOUNT CWH56000J SOUND PROOF MATERIAL CWG302302 FAN MOTOR BRACKET CWD541054 FAN MOTOR, DC 40W 3PH CWA981166J SCREW - FAN MOTOR BRACKET CWH551060J SCREW - FAN MOTOR MOUNT CWH551106J PROPELLER FAN ASSY CWH03K1016...
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Page 69: Cu-Re24Gke
18.3. CU-RE24GKE... - Page 71 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 72 REF. NO. DESCRIPTION & NAME QTY. CU-RE24GKE CHASSY ASS’Y CWD52K1098 ANTI-VIBRATION BUSHING CWH50055 COMPRESSOR DC 280V 5KD240XAA21 NUT-COMPRESSOR MOUNT CWH561049 FAN MOTOR BRACKET CWD54K1034 FAN MOTOR CWA951510 SCREW - FAN MOTOR BRACKET CWH551040J SCREW - FAN MOTOR MOUNT CWH551040J PROPELLER FAN CWH001019 NUT - PROPELLER FAN CWH561038J...