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This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the products dealt with in this service information by anyone else could result in serious injury or death.
TABLE OF CONTENTS
1. Safety Precautions.............................................3
2. Specification .......................................................5
3. Features ..............................................................7
4. Location of Controls and Components ...........8
4.1
Indoor Unit....................................................8
4.2
Outdoor Unit .................................................8
4.3
Remote Control ............................................8
5. Dimensions .........................................................9
5.1
Indoor Unit....................................................9
5.2
Outdoor Unit ...............................................10
6. Refrigeration Cycle Diagram...........................11
7. Block Diagram ..................................................12
8. Wiring Connection Diagram............................13
8.1
CS-C18KKS CU-C18KKS ..........................13
8.2
CS-C24KKS CU-C24KKS ..........................14
9. Electronic Circuit Diagram ..............................15
9.1
CS-C18KKS CU-C18KKS ..........................15
9.2
CS-C24KKS CU-C24KKS ..........................16
Indoor Unit
CS-C18KKS
CS-C24KKS
WARNING
10. Printed Circuit Board .......................................17
10.1
Indoor Unit..................................................17
11. Installation Instruction.....................................20
11.1
Select the Best Location ............................20
11.2
Indoor Unit..................................................21
11.3
Outdoor Unit ...............................................25
12. Operation Control.............................................29
12.1
Cooling Operation ......................................29
12.2
Soft Dry Operation......................................30
12.3
Automatic Operation ..................................31
12.4
Indoor Fan Speed Control..........................32
12.5
Outdoor Fan Speed Control .......................34
12.6
Vertical Airflow Direction Control................34
12.7
Horizontal Airflow Direction Control ...........35
12.8
Powerful Operation.....................................35
12.9
Quiet Operation ..........................................36
12.10 Timer Control..............................................37
12.11 Random Auto Restart Control ....................37
12.13 Patrol Operation .........................................38
12.14 E-ion operation ...........................................42
12.15 ECO Patrol Operation ................................45
© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2010.
Unauthorized copying and distribution is a violation of law.
Order No: PHAAM1006051C3
Outdoor Unit
CU-C18KKS
CU-C24KKS
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Table of Contents
Related Manuals for Panasonic CS-C18KKS
Summary of Contents for Panasonic CS-C18KKS
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Page 1: Table Of Contents
9. Electronic Circuit Diagram ......15 12.13 Patrol Operation .........38 CS-C18KKS CU-C18KKS ......15 12.14 E-ion operation ...........42 CS-C24KKS CU-C24KKS ......16 12.15 ECO Patrol Operation ........45 © Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2010. Unauthorized copying and distribution is a violation of law. - Page 2 13. Protection Control..........49 13.1 Restart Control (Time Delay Safety Control)..............49 13.2 7 Minutes Time Save Control .....49 13.3 60 Seconds Forced Operation ....49 13.4 Starting Current Control ......49 13.5 Freeze Prevention Control ......50 13.6 Compressor Reverse Rotation Protection Control ............50 13.7 Dew Prevention Control ......50 14.
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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 WARNING 20. After completion of installation or service, confirm there is no leakage or refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire. 21. Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when refrigerant contacts with fire. 22.
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Page 5: Specification
2. Specification Indoor CS-C18KKS CS-C24KKS Model Outdoor CU-C18KKS CU-C24KKS Performance Test Condition SASO (T3) SASO (T1) SASO (T3) SASO (T1) Phase, Hz Single, 60 Single, 60 Power Supply 4.40 5.10 5.60 6.50 Capacity BTU/h 15000 17400 19100 22200 kcal/h 3780... - Page 6 Control Device Capillary tube Capillary tube Refrigeration Refrigerant Oil ATMOS NM56M or SUNISO 4GDID (650) ATMOS M60 or SUNISO 4GDID (1130) Cycle Refrigerant Type g (oz) R22, 1.27k (44.8) R22, 1.61k (56.8) Height(I/D / O/D) mm (inch) 290 (11-7/16) 750 (29-17/32) 290 (11-7/16) 750 (29-17/32) Dimension...
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Page 7: Features
Features • E-ion Air Purifying System with Patrol Sensor Active e-ions are released to catch dust particles and bring them back the large positively charged filter. Patrol Sensor color changes to indicate the dirt level in the air • Long Installation Piping CS/CU-C18KK, CS/CU-C24KK, long piping up to 25 meters. -
Page 8: Location Of Controls And Components
4. Location of Controls and Components Indoor Unit Outdoor Unit Remote Control... -
Page 9: Dimensions
5. Dimensions Indoor Unit... -
Page 10: Outdoor Unit
Outdoor Unit... -
Page 11: Refrigeration Cycle Diagram
6. Refrigeration Cycle Diagram INDOOR OUTDOOR LIQUID CAPILLARY SIDE STRAINER TUBE THERMOSTAT 2-WAY (C24KK only) VALVE INTAKE PIPE TEMP. TEMP. SENSOR SENSOR HEAT EXCHANGER (CONDENSER) HEAT EXCHANGER (EVAPORATOR) SIDE 3-WAY VALVE COMPRESSOR... -
Page 12: Block Diagram
7. Block Diagram... -
Page 13: Wiring Connection Diagram
8. Wiring Connection Diagram CS-C18KKS CU-C18KKS Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C18KKS MODEL CU-C18KKS CONNECTION CWA951401J CONNECTION 2KS252F5AA04 BLUE-YELLOW 59.47Ω 1.959Ω YELLOW-RED 60.95Ω 3.083Ω Note: Resistance at 20°C of ambient temperature. Note: Resistance at 20°C of ambient temperature. -
Page 14: Cs-C24Kks Cu-C24Kks
CS-C24KKS CU-C24KKS Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C24KKS MODEL CU-C24KKS CONNECTION CWA951399J CONNECTION 2J39S236A1A YELLOW-BLUE 59.47Ω 0.933Ω YELLOW-ORANGE 80.58Ω 1.584Ω YELLOW-RED 60.95Ω Note: Resistance at 20°C of ambient temperature. Note: Resistance at 20°C of ambient temperature. -
Page 15: Electronic Circuit Diagram
9. Electronic Circuit Diagram CS-C18KKS CU-C18KKS... -
Page 16: Cs-C24Kks Cu-C24Kks
CS-C24KKS CU-C24KKS... -
Page 17: Printed Circuit Board
10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board... - Page 18 10.1.2 Power Printed Circuit Board...
- Page 19 10.1.3 Indicator Printed Circuit Board 10.1.4 Receiver Printed Circuit Board 10.1.5 High Voltage Power Supply Printed Circuit Board...
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Page 20: Installation Instruction
11.1.3 Indoor/Outdoor Unit Installation 11. Installation Instruction Diagram 11.1 Select the Best Location 11.1.1 Indoor Unit • Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. • There should not be any heat source or steam near the unit. -
Page 21: Indoor Unit
11.2 Indoor Unit 11.2.1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent if from the vibration. The centre of installation plate should be at more than at right and left of the wall. The distance from installation plate edge to ceiling should more than From installation plate left edge to unit’s left side is From installation plate right edge to unit’s right side is... -
Page 22: Indoor Unit Installation
11.2.3 Indoor Unit Installation Caution Use shock absorber during pull out the piping to protect the intake grille Do not turn over the unit without it ’s shock from damage. absorber during pull out the piping. It may cause intake grille damage Piping Piping Shock absorber... -
Page 23: Connect The Cable To The Indoor Unit
11.2.4 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 3 x 2.5mm (2.0 ~ 2.5HP) flexible cord, type designation 245 IEC 57 or heavier cord. - Page 24 11.2.5 Wire Stripping And Connecting Requirement 11.2.5.1 Cutting and flaring the piping Please cut using pipe cutter and then remove the burrs. Remove the burrs by using reamer. If burrs are not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe.
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Page 25: Outdoor Unit
11.3 Outdoor Unit 11.3.1 Install the Outdoor Unit • After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10mm). When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails. -
Page 26: Evacuation Of The Equipment
11.3.3 Evacuation of the Equipment FOR ENVIRONMENTAL PROTECTION, MANUFACTURER STRONGLY RECOMMENDS TO USE EVACUATION METHOD. 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. Be sure to connect the end of the charging hose with the push pin to the service port. Connect the center hose of the charging set to a vacuum pump. -
Page 27: Connect The Cable To The Outdoor Unit
11.3.4 Air Purging of the Piping and Indoor The remaining air in the Refrigerant cycle which contains moisture may cause malfunction on the compressor. Remove the caps from the 2-way and 3-way valves. Remove the service-port cap from the 3-way valves. To open the valve, turn the valve stem of 2-way valve counter-clockwise approx. -
Page 28: Pipe Insulation
11.3.6 Pipe Insulation Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation Diagram. Please wrap the insulated piping end to prevent water from going inside the piping. If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by using POLY-E-FOAM with thickness 6mm or above. -
Page 29: Operation Control
12. Operation Control 12.1 Cooling Operation • Cooling operation can be set using remote control. • This operation is applied to cool down the room temperature to the setting temperature set on the remote control. • The remote control setting temperature, which takes the reading of intake air temperature sensor, can be adjusted from 16°C to 30°C. -
Page 30: Soft Dry Operation
12.2 Soft Dry Operation • Soft Dry operation can be set using remote control. • Soft Dry operation is applied to dehumidify and to perform a gentle cooling to the room. • This operation starts when the intake air temperature sensor reaches the setting temperature on the remote control. -
Page 31: Automatic Operation
12.3 Automatic Operation • Automatic operation can be set using remote control. • This operation starts to operate with indoor fan at SLo speed for 20 seconds to judge the intake air temperature. • After judged the temperature, the operation mode is determined by referring to the below standard. ↑... -
Page 32: Indoor Fan Speed Control
12.4 Indoor Fan Speed Control • Indoor fan speed can be set using remote control. 12.4.1 Fan Speed Rotation Chart Fan Speed (rpm) Speed CS-C18KKS CS-C24KKS 1370 1500 1200 1350 1110 1230 1080 1190 1020 1110 1110 1150 1020 1050 12.4.2... - Page 33 • Auto Fan Speed during cooling operation: Indoor fan will rotate alternately between off and on as shown in below diagram. At the beginning of each compressor starts operation, indoor fan speed increases gradually for deodorizing purpose. For the first time the compressor operates, indoor fan will be switched to Hi fan speed from Lo- after 70 seconds from the start of compressor.
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Page 34: Outdoor Fan Speed Control
12.5 Outdoor Fan Speed Control • There is only one speed for outdoor fan motor. (Applicable for CU-C18KK) • There is 2 speeds for outdoor fan motor. Outdoor fan speed can be changed to Hi or Lo according to outdoor temperature. -
Page 35: Horizontal Airflow Direction Control
12.7 Horizontal Airflow Direction Control 12.7.1 Auto Control • When the horizontal airflow is set to Auto using the remote control, the vanes swings left and right as shown in the diagram. • When stopped with remote control, the discharge vanes are reset and stop at the reset position. •... -
Page 36: Quiet Operation
12.9 Quiet Operation (For Cooling Operation or cooling region of Soft Dry Operation) • To provide quiet cooling operation condition. • Once the Quiet Operation is set at the remote control, the Quiet LED illuminated. The sound level will reduce around 2dB(A) for Lo fan speed or 3dB(A) for Hi/Me fan speed against the present operation sound level. -
Page 37: Timer Control
12.10 Timer Control 12.10.1 ON Timer • When the ON Timer is set by using the remote control, the unit will start to operate slightly before the set time, so that the room will reach nearly to the set temperature by the set time. •... -
Page 38: Patrol Operation
12.13 Patrol Operation • To monitor air dirtiness level by using Patrol sensor and to maintain air freshness by activates e-ion operation • Patrol operation starts condition When the unit operation is started with “OFF/ON” button When the unit stops, “Patrol” operation is selected, Patrol individual operation will start. During cooling only operation, “Patrol”... - Page 39 • Patrol Sensor Control First 2 minutes from Patrol function activates is stabilization time, during stabilization time, no air dirtiness level is monitored. The Air Dirtiness level is set to Clean, Patrol LED turns blue color. After that, Patrol sensor starts to record the resistance value at fixed interval. Higher resistance value indicates cleaner air.
- Page 40 • 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. During Patrol individual operation if e-ion stops, Airflow direction louver closed.
- Page 41 • Patrol Operation Demo Mode Patrol Operation Demo Mode start condition Press “Set” button continuously for 15 seconds by using pointer during Air Conditioner is OFF condition to enter internal setting mode. Press “Timer Decrement" button to select “Pt demo”. Press “Timer Set”...
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Page 42: E-Ion Operation
12.14 E-ion operation • This operation provides clean air by producing negative ions to attract dust captured at the positively charged active e-ion filters. • e-ion operation start condition During unit running at any operation mode, if “e-ion” operation is selected, combination operation (operation mode + e-ion operation) starts. - Page 43 • e-ion Check Mode e-ion abnormality check mode Purpose is to improve sensor serviceability when sensor is malfunction. (1) Control starting condition When all of the conditions are formed Not in Patrol Demo mode. e-ion operation ON. When e-ion check mode signal is received; the procedure of selection is as shown: •...
- Page 44 • Error Detection Control When e-ion indicator blink, it indicates error listed below: Active e-ion Air Purifying system PCB main connector open: Judgment Method • During e-ion operation (include during Patrol operation), Active e-ion Air Purifying system main connector to PCB is opened. Troubleshooting Methods •...
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Page 45: Eco Patrol Operation
12.15 ECO Patrol Operation • A Pyoelectric infrared sensor is used to detect injection strength variation of infrared at setting area to determine the presence or absence of human and its activity level. Human detection area is shown in figure below: •... - Page 46 • ECO Patrol Demo Mode Press “Set” button continuously for 15 seconds by using pointer during Air Conditioner is OFF condition to enter internal setting mode. Press “Timer Decrement" button to select “EC demo”. Press “Timer Set” button to toggle ECO Patrol Demo mode. •...
- Page 47 • During ECO Patrol operation, the internal setting temperature and fan speed are adjusted in order to provide comfort and energy saving. • ECO Patrol Start condition. Press ECO Patrol button to select ECO1 and ECO2. • ECO Patrol Stop condition. Press ECO Patrol button again.
- Page 48 • ECO Patrol Sensor abnormality check mode • Purpose is to improve sensor serviceability when sensor is malfunction. (1) Control starting condition When all of the conditions are formed Not in ECO Patrol Demo mode. ECO Patrol mode ON. When ECO Patrol sensor check mode signal is received; the procedure of selection is as shown: •...
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Page 49: Protection Control
13. Protection Control 13.1 Restart Control (Time Delay Safety Control) • When the thermo-off temperature (temperature which compressor stops to operate) is reach during:- Cooling operation – the compressor stops for 3 minutes (minimum) before resume operation. Soft Dry operation – the compressor stops for 6 minutes (minimum) before resume operation. •... -
Page 50: Freeze Prevention Control
13.5 Freeze Prevention Control • To protect indoor heat exchanger from freezing and to prevent higher volume of refrigerant in liquid form return to compressor. • This control will activate when temperature of indoor heat exchanger falls below 2°C continuously for more than 4 minutes and compressor turn off. -
Page 51: Servicing Mode
14. Servicing Mode 14.1 Auto OFF/ON Button Auto OFF/ON Auto OFF/ON Auto OFF/ON Button Pressed Button Pressed Button Pressed 5 sec 5 sec Auto Operation Test Run Operation Stop Various Setting Mode Stop (Forced Cooling Operation) 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. -
Page 52: Remote Control Button
14.2 Remote Control Button 14.2.1 SET Button • To check current remote control transmission code and store the transmission code to EEPROM: Press “Set” button for more than 10 seconds Press “Timer Set” button until a “beep” sound is heard as confirmation of transmission code change. •... -
Page 53: Troubleshooting Guide
15. Troubleshooting Guide 15.1 Refrigeration cycle system In order to diagnose malfunctions, ensure the air conditioner is free Normal Pressure and Outlet Air Temperature (Standard) from electrical problems before inspecting the refrigeration cycle. Gas Pressure Outlet air Temperature Such problems include insufficient insulation, problem with the (kg/cm (°C) power source, malfunction of a compressor and a fan. -
Page 54: Diagnosis Methods Of A Malfunction Of A Compressor
15.1.1 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Condition of the air conditioner Low Pressure High Pressure Electric current during 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... -
Page 55: Disassembly And Assembly Instructions
16. Disassembly and Assembly Instructions WARNING High Voltage is 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 56 16.1.3 To remove power electronic controller Figure 3 Figure 4 Figure 5 Figure 6...
- Page 57 16.1.4 To remove discharge grille Figure 7 16.1.5 To remove control board Figure 8 16.1.6 To remove cross flow fan and indoor fan motor Figure 9...
- Page 58 Figure 10 Figure 11 Figure 12...
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Page 59: Technical Data
17. Technical Data 17.1 Operation Characteristics 17.1.1 CS-C18KKS CU-C18KKS • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0m 220V 11.00 10.50 10.00 9.50 9.00 8.50 8.00 7.50 7.00 Outdoor Temperature (ºC) 220V 0.620... - Page 60 • Piping Length Characteristic Outdoor temperature: 35°C (DBT), 24°C (WBT) Operation condition: High fan speed Piping length: 5.0m 220V 7.90 7.80 7.70 7.60 7.50 7.40 7.30 7.20 Piping Length (m) 220V 0.500 0.490 0.480 0.470 0.460 0.450 0.440 0.430 Piping Length (m) 220V 5.20 5.10...
- Page 61 17.1.2 CS-C24KKS CU-C24KKS • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0m 220V 17.00 16.00 15.00 14.00 13.00 12.00 11.00 Outdoor Temperature (ºC) 220V 0.550 0.520 0.490 0.460 0.430 0.400 Outdoor Temperature (ºC) 220V 7.00 6.70...
- Page 62 • Piping Length Characteristic Outdoor temperature: 35°C (DBT), 24°C (WBT) Operation condition: High fan speed Piping length: 5.0m 220V 12.20 12.00 11.80 11.60 11.40 11.20 11.00 Piping Length (m) 220V 0.430 0.420 0.410 0.400 0.390 0.380 0.370 0.360 Piping Length (m) 220V 6.60 6.50...
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Page 63: 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 64 REF. PART NAME & DESCRIPTION CS-C18KKS CS-C24KKS REMARK CHASSY COMPLETE CWD50C1654 ← FAN MOTOR L6CBYYYL0037 L6CBYYYL0039 CROSS FLOW FAN COMPLETE CWH02C1077 ← BEARING ASS’Y CWH64K007 ← SCREW - CROSS FLOW FAN CWH551146 ← ION GENERATOR CWH94C0028 ← EVAPORATOR CWB30C3126 CWB30C3268...
- Page 65 DRAIN HOSE CWH851173 ← BAG COMPLETE - INSTALLATION SCREW CWH82C1705 ← INSTALLATION PLATE CWH361098 ← FULCRUM CWH621103 ← OPERATING INSTRUCTION CWF567115 ← INSTALLATION INSTRUCTION CWF614219 ← INSTALLATION INSTRUCTION CWF614220 ← POWER SUPPLY CORD CWA20C2836 ← (Note) • All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488). •...
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Page 66: Outdoor Unit
18.2 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 67 REF. NO. PART NAME & DESCRIPTION CU-C18KKS CU-C24KKS REMARK CHASSY ASS’Y CWD50K2115 CWD50K2100 SOUND PROOF MATERIAL CWG302408 ← FAN MOTOR BRACKET CWD541065 ← SCREW - FAN MOTOR BRACKET CWH551217 ← FAN MOTOR CWA951401J CWA951399J SCREW - FAN MOTOR MOUNT CWH55252J ←...