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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 ..............................................................9
4. Location of Controls and Components .........10
Indoor Unit
CS-C12KKF-2
CS-C18KKF-2
CS-C24KKF-2
CS-C28KKF-2
WARNING
4.1
Indoor Unit..................................................10
4.2
Outdoor Unit ...............................................10
4.3
Remote Control ..........................................10
5. Dimensions .......................................................11
5.1
Indoor Unit..................................................11
5.2
Outdoor Unit ...............................................13
© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2010.
Unauthorized copying and distribution is a violation of law.
Order No: PHAAM1003128C3
Outdoor Unit
CU-C12KKF-2
CU-C18KKF-2
CU-C24KKF-2
CU-C28KKF-2
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Table of Contents
Related Manuals for Panasonic CS-C12KKF-2
Summary of Contents for Panasonic CS-C12KKF-2
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Page 1: Table Of Contents
Remote Control ..........10 2. Specification ............5 5. Dimensions ............11 3. Features ..............9 Indoor Unit..........11 4. Location of Controls and Components ..10 Outdoor Unit ..........13 © Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2010. Unauthorized copying and distribution is a violation of law. - Page 2 CS-C24KKF-2 CU-C24KKF-2 ....21 18.1 Operation Characteristics......91 CS-C28KKF-2 CU-C28KKF-2 ....22 19. Service Data ............. 99 9. Electronic Circuit Diagram ......23 19.1 CS-C12KKF-2 CU-C12KKF-2 ....99 CS-C12KKF-2 CU-C12KKF-2 ....23 19.2 CS-C18KKF-2 CU-C18KKF-2 ....100 CS-C18KKF-2 CU-C18KKF-2 ....24 19.3 CS-C24KKF-2 CU-C24KKF-2 ....101 CS-C24KKF-2 CU-C24KKF-2 ....25...
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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-C12KKF-2 CS-C18KKF-2 Model Outdoor CU-C12KKF-2 CU-C18KKF-2 Performance Test Condition NEW JIS NEW JIS Phase, Hz Single, 50 Single, 50 Power Supply 3.38 3.40 5.10 5.10 Capacity BTU/h 11500 11600 17400 17400 kJ/h 12170 12240 18360 18360 Running Current Input Power 1.21k... - Page 6 Height(I/D / O/D) mm (inch) 290 (11-7/16) 540 (21-9/32) 290 (11-7/16) 540 (21-9/32) Dimension Width (I/D / O/D) mm (inch) 870 (34-9/32) 780 (30-23/32) 1070 (42-5/32) 780 (30-23/32) Depth (I/D / O/D) mm (inch) 204 (8-1/16) 289 (11-13/32) 235 (9-9/32) 289 (11-13/32) Weight Net (I/D / O/D)
- Page 7 Indoor CS-C24KKF-2 CS-C28KKF-2 Model Outdoor CU-C24KKF-2 CU-C28KKF-2 Performance Test Condition NEW JIS NEW JIS Phase, Hz Single, 50 Single, 50 Power Supply 6.80 6.80 7.45 7.45 Capacity BTU/h 23200 23200 25400 25400 kJ/h 24480 24480 26820 26820 Running Current 11.5 12.1 13.8 14.5...
- Page 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 Width (I/D / O/D) mm (inch) 1070 (42-5/32) 875 (34-15/32) 1070 (42-5/32) 875 (34-15/32) Depth (I/D / O/D) mm (inch) 235 (9-9/32) 345 (13-19/32) 235 (9-9/32) 345 (13-19/32) Weight Net (I/D / O/D)
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Page 9: 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-C12KK, long piping up to 15 meters. -
Page 10: Location Of Controls And Components
4. Location of Controls and Components Indoor Unit Outdoor Unit Remote Control... -
Page 11: Dimensions
5. Dimensions Indoor Unit 5.1.1 CS-C12KKF-2... - Page 12 5.1.2 CS-C18KKF-2 CS-C24KKF-2 CS-C28KKF-2...
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Page 13: Outdoor Unit
Outdoor Unit 5.2.1 CU-C12KKF-2 CU-C18KKF-2... - Page 14 5.2.2 CU-C24KKF-2 CU-C28KKF-2...
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Page 15: Refrigeration Cycle Diagram
6. Refrigeration Cycle Diagram INDOOR OUTDOOR LIQUID CAPILLARY SIDE STRAINER TUBE THERMOSTAT 2-WAY (C28KK only) VALVE INTAKE PIPE TEMP. TEMP. SENSOR SENSOR HEAT EXCHANGER (CONDENSER) HEAT EXCHANGER (EVAPORATOR) CAPILLARY SEPARATOR TUBE (C28KK only) (C28KK only) SIDE 3-WAY VALVE COMPRESSOR... -
Page 16: Block Diagram
7. Block Diagram 7.1.1 CS-C12KKF-2 CU-C12KKF-2... - Page 17 7.1.2 CS-C18KKF-2 CU-C18KKF-2 CS-C24KKF-2 CU-C24KKF-2...
- Page 18 7.1.3 CS-C28KKF-2 CU-C28KKF-2...
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Page 19: Wiring Connection Diagram
8. Wiring Connection Diagram CS-C12KKF-2 CU-C12KKF-2 Resistance of Indoor Fan Motor Windings Resistance of Compressor Windings MODEL CS-C12KKF-2 MODEL CU-C12KKF-2 CONNECTION CWA921409 CONNECTION 2KS210D5AA06 BLUE-YELLOW 457.2Ω 2.279Ω YELLOW-RED 420.5Ω 3.526Ω Note: Resistance at 25°C of ambient temperature. Note: Resistance at 20°C of ambient temperature. -
Page 20: Cs-C18Kkf-2 Cu-C18Kkf-2
CS-C18KKF-2 CU-C18KKF-2 Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C18KKF-2 MODEL CU-C18KKF-2 CONNECTION CWA951676 CONNECTION 2KS324D5BA06 BLUE-YELLOW 198Ω 1.453Ω YELLOW-RED 293Ω 3.151Ω Note: Resistance at 20°C of ambient temperature. Note: Resistance at 20°C of ambient temperature. -
Page 21: Cs-C24Kkf-2 Cu-C24Kkf-2
CS-C24KKF-2 CU-C24KKF-2 Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C24KKF-2 MODEL CU-C24KKF-2 CONNECTION CWA951689 CONNECTION 2JS438D3CB04 YELLOW-BLUE 64Ω 1.121Ω YELLOW-ORANGE 90Ω 2.535Ω YELLOW-RED 55Ω Note: Resistance at 20°C of ambient temperature. Note: Resistance at 20°C of ambient temperature. -
Page 22: Cs-C28Kkf-2 Cu-C28Kkf-2
CS-C28KKF-2 CU-C28KKF-2 Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C28KKF-2 MODEL CU-C28KKF-2 CONNECTION CWA951689 CONNECTION 2JD514D3AA03 YELLOW-BLUE 64Ω 0.708Ω YELLOW-ORANGE 90Ω 1.985Ω YELLOW-RED 55Ω Note: Resistance at 20°C of ambient temperature. Note: Resistance at 20°C of ambient temperature. -
Page 23: Electronic Circuit Diagram
9. Electronic Circuit Diagram CS-C12KKF-2 CU-C12KKF-2... -
Page 24: Cs-C18Kkf-2 Cu-C18Kkf-2
CS-C18KKF-2 CU-C18KKF-2... -
Page 25: Cs-C24Kkf-2 Cu-C24Kkf-2
CS-C24KKF-2 CU-C24KKF-2... -
Page 26: Cs-C28Kkf-2 Cu-C28Kkf-2
CS-C28KKF-2 CU-C28KKF-2... -
Page 27: Printed Circuit Board
10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board... - Page 28 10.1.2 Power Printed Circuit Board 10.1.2.1 CS-C12KKF-2...
- Page 29 10.1.2.2 CS-C18KKF-2 CS-C24KKF-2 CS-C28KKF-2...
- Page 30 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 31: 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 32: Indoor Unit
11.2 Indoor Unit 11.2.1 How to Fix Installation Plate The mounting wall is 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 33 11.2.3 Indoor Unit Installation 11.2.3.1 For the right rear piping 11.2.3.2 For the right and right bottom piping 11.2.3.3 For the embedded piping (This can be used for left rear piping and bottom piping also.)
- Page 34 11.2.4 Connect the Cable to the Indoor Unit The power supply cord, indoor and outdoor unit connecting cable can be connected without removing the front grille. Install the indoor unit on the installation holder that mounted on the wall. Open the front panel and grille door by loosening the screw. Cable connection to the power supply through Isolating Devices (Disconnecting means).
- Page 35 Remove the tapes and connect the power supply cord and connecting cable between indoor unit and outdoor unit according to the diagram below. Secure the power supply cord and connecting cable onto the control board with the holder. Close grille door by tighten with screw and close the front panel. This equipment must be properly earthed.
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Page 36: Outdoor Unit
11.3 Outdoor Unit 11.3.1 Install the Outdoor Unit • After selecting the best location, start installation according 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 37 11.3.3 Evacuation of the Equipment 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 38 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 39 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.
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Page 40: Installation Instruction
12. Installation Instruction 12.1 Select the Best Location 12.1.3 Indoor/Outdoor Unit Installation Diagram (For C28KKF-2 only) 12.1.1 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 41: Indoor Unit
12.2 Indoor Unit 12.2.1 How to Fix Installation Plate The mounting wall is 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 42 12.2.3 Indoor Unit Installation 12.2.3.1 For the right rear piping Step-1 Pull out the Indoor piping Step-2 Install the Indoor Unit Step-3 Secure the Indoor Unit Step-4 Insert the connecting cable 12.2.3.2 For the right and right bottom piping Step-1 Pull out the Indoor piping Step-2 Install the Indoor Unit...
- Page 43 12.2.4 Connect the Cable to the Indoor Unit The inside and outside connecting cable can be connected without removing the front grille. 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.
- Page 44 12.2.5 Wire Stripping And Connecting Requirement 12.2.5.1 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 45: Outdoor Unit
12.3 Outdoor Unit 12.3.1 Install the Outdoor Unit • After selecting the best location, start installation according 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 46 12.3.3 Evacuation of the Equipment 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 47 12.3.4 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 48 12.3.5 Connect the cable to the Outdoor Unit Remove the control board cover from the unit by loosening the screw. Cable connection to the power supply through Isolating Devices (Disconnecting means). Connect the approved polychloroprene sheathed power supply cord 3 x 4.0 mm (3.0HP) type designation 245 IEC 57 or heavier cord to the terminal board, and connect the others end of the cable to Isolating Devices (Disconnecting means).
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Page 49: Operation Control
13. Operation Control 13.1 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 50 13.1.2 Cooling Operation Time Diagram (For CS-C18KK CU-C18KK, CS-C24KK CU- C24KK and CS-C28KK CU-C28KK)
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Page 51: Soft Dry Operation
13.2 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 52 13.2.2 Soft Dry Operation Time Diagram (For CS-C18KK CU-C18KK, CS-C24KK CU- C24KK and CS-C28KK CU-C28KK)
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Page 53: Automatic Operation
13.3 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 54: Indoor Fan Speed Control
13.4 Indoor Fan Speed Control • Indoor fan speed can be set using remote control. 13.4.1 Fan Speed Rotation Chart Fan Speed (rpm) Speed CS-C12KKF-2 CS-C18KKF-2 CS-C24KKF-2 CS-C28KKF-2 1150 1430 1500 1530 1110 1280 1390 1490 1180 1240 1400 1140... - Page 55 For CS-C18KK, CS-C24KK and CS-C28KK Stop Manual Normal Auto Hi-90 Manual Me-90 Quiet CLo-90 Auto Hi-100 Me-100 Manual Powerful Auto Manual Normal Auto Manual Quiet Auto • 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.
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Page 56: Outdoor Fan Speed Control
• Auto Fan Speed during Soft Dry operation. Indoor fan will rotate alternately between off and Lo-. At the beginning of each compressor starts operation, indoor fan will increase fan speed gradually for deodorizing purpose. When compressor turned off for 6 minutes, indoor fan will start at Lo- to circulate the air in the room. This is to obtain the actual reading of intake air temperature. - Page 57 For CS-C18KK, CS-C24KK and CS-C28KK Horizontal Upper limit/0° Closing Upper limit for cooling mode position 28° and soft dry mode/17° / 148° Swing up and down Lower limit for cooling mode and soft dry mode/45° 13.6.2 Manual Control • When the vertical airflow direction is set to Manual using the remote control, the automatic airflow is released and the airflow direction louver move up and down in the range shown in the diagram.
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Page 58: Horizontal Airflow Direction Control
13.7 Horizontal Airflow Direction Control For CS-C12KK, the horizontal airflow direction louver can be adjusted manually by hand. For CS-C18KK, CS-C24KK and CS-C28KK the horizontal airflow direction louver are as following. 13.7.1 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. -
Page 59: Quiet Operation
13.9 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 60: Timer Control
13.10 Timer Control 13.10.1 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 61: Patrol Operation
13.13 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 62 • 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 63 • 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 64 • 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 65: E-Ion Operation
13.14 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 66 • 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 67 • 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 68: Eco Patrol Operation
13.15 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 69 • 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 70 • 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 71 • 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 72: Protection Control
14. Protection Control 14.1 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 73: Freeze Prevention Control
14.5 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 74: Dew Prevention Control
14.7 Dew Prevention Control • To prevent dew formation at indoor unit discharge area. • This control starts if: Cooling mode or Quiet mode is activated. Remote Control setting temperature is less than 25°C. Fan speed is at CLo or QLo. Room temperature is constant (±1°C) for 30 minutes. -
Page 75: Servicing Mode
15. Servicing Mode 15.1 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 76: Remote Control Button
15.2 Remote Control Button 15.2.1 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 77: Troubleshooting Guide
16. Troubleshooting Guide 16.1 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 78 16.1.1 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...
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Page 79: Disassembly And Assembly Instructions
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. 17.1 CS-C12KKF-2 17.1.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 17.1.1.1... - Page 80 Figure 3 Figure 4 Figure 5 17.1.1.3 To remove discharge grille Figure 6...
- Page 81 17.1.1.4 To remove control board Figure 7 17.1.1.5 To remove cross flow fan and indoor fan motor Figure 8 Figure 9...
- Page 82 Figure 10 Figure 11...
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Page 83: Cs-C18Kkf-2 Cs-C24Kkf-2
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. 17.2 CS-C18KKF-2 CS-C24KKF-2 17.2.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 17.2.1.1 To remove front grille... - Page 84 17.2.1.3 To remove power electronic controller Figure 14 Figure 15 Figure 16 Figure 17...
- Page 85 17.2.1.4 To remove discharge grille Figure 18 17.2.1.5 To remove control board Figure 19 17.2.1.6 To remove cross flow fan and indoor fan motor Figure 20...
- Page 86 Figure 21 Figure 22 Figure 23...
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Page 87: Cs-C28Kkf-2
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. 17.3 CS-C28KKF-2 17.3.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 17.3.1.1 To remove front grille... - Page 88 17.3.1.3 To remove power electronic controller Figure 26 Figure 24 Figure 25 Figure 27...
- Page 89 17.3.1.4 To remove discharge grille Figure 28 17.3.1.5 To remove control board Figure 29 17.3.1.6 To remove cross flow fan and indoor fan motor Figure 30...
- Page 90 Figure 31 Figure 32 Figure 33...
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Page 91: Technical Data
18. Technical Data 18.1 Operation Characteristics 18.1.1 CS-C12KKF-2 CU-C12KKF-2 • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 7.5m 17.000 16.500 16.000 15.500 15.000 14.500 14.000 13.500 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 Outdoor Air Temperature (°C) - Page 92 • Piping Length Characteristic Outdoor temperature: 35°C (DBT), 24°C (WBT) Operation condition: High fan speed Piping length: 7.5m 14.900 14.800 14.700 14.600 14.500 14.400 14.300 14.200 Piping Length (m) 3.500 3.450 3.400 3.350 3.300 3.250 3.200 Piping Length (m) 0.544 0.542 0.540 0.538...
- Page 93 18.1.2 CS-C18KKF-2 CU-C18KKF-2 • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 7.5m 17.500 17.000 16.500 16.000 15.500 15.000 14.500 14.000 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 Outdoor Air Temperature (°C) 5.600 5.400...
- Page 94 • Piping Length Characteristic Outdoor temperature: 35°C (DBT), 24°C (WBT) Operation condition: High fan speed Piping length: 7.5m 15.800 15.700 15.600 15.500 15.400 15.300 15.200 15.100 15.000 14.900 14.800 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Piping Length (m) 5.200 5.100...
- Page 95 18.1.3 CS-C24KKF-2 CU-C24KKF-2 • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 7.5m 16.000 15.500 15.000 14.500 14.000 13.500 13.000 12.500 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 Outdoor Air Temperature (°C) 7.400 7.200...
- Page 96 • Piping Length Characteristic Outdoor temperature: 35°C (DBT), 24°C (WBT) Operation condition: High fan speed Piping length: 7.5m 14.400 14.300 14.200 14.100 14.000 13.900 13.800 13.700 13.600 13.500 13.400 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Piping Length (m) 7.000 6.900...
- Page 97 18.1.4 CS-C28KKF-2 CU-C28KKF-2 • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 7.5m 16.500 16.000 15.500 15.000 14.500 14.000 13.500 13.000 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 Outdoor Air Temperature (°C) 8.200 8.000...
- Page 98 • Piping Length Characteristic Outdoor temperature: 35°C (DBT), 24°C (WBT) Operation condition: High fan speed Piping length: 7.5m 15.000 14.800 14.600 14.400 14.200 14.000 13.800 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Piping Length (m) 7.600 7.400...
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Page 99: Service Data
19. Service Data 19.1 CS-C12KKF-2 CU-C12KKF-2 Cooling Capacity Performance Data (220V) OUTDOOR TEMP. (DBT) CAPACITY 17.0 3.7286 2.2321 0.8995 3.5800 2.2629 0.9763 3.3706 2.1906 1.0662 3.1175 2.0979 1.1662 2.9302 2.0309 1.2340 2.5006 1.6282 1.5123 19.0 3.9380 1.8763 0.9537 3.8113 1.8917 1.0306 3.6187 1.8609 1.1255 3.3706 1.7990 1.2340 3.1998 1.7682 1.3063 2.8003 1.6353 1.6449 22.0... -
Page 100: Cs-C18Kkf-2 Cu-C18Kkf-2
19.2 CS-C18KKF-2 CU-C18KKF-2 Cooling Capacity Performance Data (220V) Cooling Capacity Performance Data (240V) -
Page 101: Cs-C24Kkf-2 Cu-C24Kkf-2
19.3 CS-C24KKF-2 CU-C24KKF-2 Cooling Capacity Performance Data (220V) Cooling Capacity Performance Data (240V) -
Page 102: Cs-C28Kkf-2 Cu-C28Kkf-2
19.4 CS-C28KKF-2 CU-C28KKF-2 Cooling Capacity Performance Data (220V) Cooling Capacity Performance Data (240V) -
Page 103: Exploded View And Replacement Parts List103
20. Exploded View and Replacement Parts List 20.1 Indoor Unit 20.1.1 CS-C12KKF-2 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 104 REF NO. PART NAME & DESCRIPTION CS-C12KKF-2 REMARK CHASSY COMPLETE CWD50C1653 FAN MOTOR CWA921409 CROSS FLOW FAN COMPLETE CWH02C1076 BEARING ASS’Y CWH64K007 SCREW - CROSS FLOW FAN CWH551146 GENERATOR COMPLETE CWH94C0028 EVAPORATOR CWB30C2850 FLARE NUT (LIQUID) CWT251026 FLARE NUT (GAS)
- Page 105 INSTALLATION INSTRUCTION CWF614306 COVER FOR RECEIVER(BOTTOM) CWD933209 COVER FOR RECEIVER(UPPER) CWD933022 (Note) • All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in stock.
- Page 106 20.1.2 CS-C18KKF-2 CS-C24KKF-2 CS-C28KKF-2 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 107 PART NAME & DESCRIPTION QTY. CS-C18KKF-2 CS-C24KKF-2 CS-C28KKF-2 REMARK ← ← CHASSY COMPLETE CWD50C1654 ← FAN MOTOR L6CBYYYL0037 L6CBYYYL0039 ← ← CROSS FLOW FAN COMPLETE CWH02C1077 ← ← BEARING ASS’Y CWH64K007 ← ← SCREW - CROSS FLOW FAN CWH551146 ← ←...
- Page 108 ← ← OPERATING INSTRUCTION CWF567468 ← INSTALLATION INSTRUCTION CWF614305 CWF614307 ← INSTALLATION INSTRUCTION CWF614306 CWF614308 (Note) • All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in stock.
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Page 109: Outdoor Unit
20.2 Outdoor Unit 20.2.1 CU-C12KKF-2 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 110 REF NO. PART NAME & DESCRIPTION QTY. CU-C12KKF-2 REMARK CHASSY ASS’Y CWD50K2088 SOUND PROOF MATERIAL CWG302110 FAN MOTOR BRACKET CWD541030 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951676 SCREW - FAN MOTOR MOUNT CWH55406J PROPELLER FAN ASS’Y CWH03K1006 NUT - PROPELLER FAN CWH56053J COMPRESSOR 2KS210D5AA06...
- Page 111 20.2.2 CU-C18KKF-2 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 112 REF NO. PART NAME & DESCRIPTION QTY. CU-C18KKF-2 REMARK CHASSY ASS’Y CWD50K2088 SOUND PROOF MATERIAL FAN MOTOR BRACKET CWD541030B SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951676 SCREW - FAN MOTOR MOUNT CWH55406J PROPELLER FAN ASS’Y CWH03K1006 NUT - PROPELLER FAN CWH56053J COMPRESSOR 2KS324D5BA06...
- Page 113 20.2.3 CU-C24KKF-2 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 114 20.2.4 CU-C28KKF-2 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 115 REF NO. PART NAME & DESCRIPTION QTY. CU-C24KKF-2 CU-C28KKF-2 REMARK ← CHASSY ASS’Y CWD50K2100 ← SOUND PROOF MATERIAL CWG302230 FAN MOTOR BRACKET CWD541065 CWD541055 ← SCREW - FAN MOTOR BRACKET CWH551217 ← FAN MOTOR CWA951689 ← SCREW - FAN MOTOR MOUNT CWH55252J ←...