Panasonic CS-S9NKUW-1 Service Manual

© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011. Unauthorized copying and distribution is a violation of law. Order No: PHAAM1111084C1 Indoor Un

10 4. Dimensions 4.1 Indoor Unit 4.1.1 CS-S9NKUW-1 CS-S12NKUW-1

100 17.2 Outdoor Unit 17.2.1 CU-S9NKU-1 CU-S12NKU-1 Note The above exploded view is for the purpose of parts disassembly and replacement. The non

101 REF. NO. PART NAME & DESCRIPTION QTY. CU-S9NKU-1 CU-S12NKU-1 REMARK 1 CHASSIS ASSY 1 CWD50K2206A ← 2 FAN MOTOR BRACKET 1 CWD54103

102 17.2.2 CU-S18NKU-1 CU-S22NKU-1 Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts a

103 REF. NO. PART NAME & DESCRIPTION QTY. CU-S18NKU-1 CU-S22NKU-1 REMARK 1 CHASSIS ASSY 1 CWD52K1227A ← 2 ANTI - VIBRATION BUSHING 3

11 4.1.2 CS-S18NKU-1 CS-S22NKU-1

12 4.2 Outdoor Unit 4.2.1 CU-S9NKU-1 CU-S12NKU-1 4.2.2 CU-S18NKU-1 CU-S22NKU-1

13 5. Refrigeration Cycle Diagram 5.1 CS-S9NKUW-1 CU-S9NKU-1 CS-S12NKUW-1 CU-S12NKU-1

14 5.2 CS-S18NKU-1 CU-S18NKU-1 CS-S22NKU-1 CU-S22NKU-1

15 6. Block Diagram 6.1 CS-S9NKUW-1 CU-S9NKU-1 CS-S12NKUW-1 CU-S12NKU-1

16 6.2 CS-S18NKU-1 CU-S18NKU-1 CS-S22NKU-1 CU-S22NKU-1

17 7. Wiring Connection Diagram 7.1 Indoor Unit 7.1.1 CS-S9NKUW-1 CS-S12NKUW-1

18 7.1.2 CS-S18NKU-1 CS-S22NKU-1

19 7.2 Outdoor Unit 7.2.1 CU-S9NKU-1 CU-S12NKU-1

2 TABLE OF CONTENTS 1. Safety Precautions ...3 2. Specification ...

20 7.2.2 CU-S18NKU-1

21 7.2.3 CU-S22NKU-1

22 8. Electronic Circuit Diagram 8.1 Indoor Unit 8.1.1 CS-S9NKUW-1 CS-S12NKUW-1

23 8.1.2 CS-S18NKU-1 CS-S22NKU-1

24 8.2 Outdoor Unit 8.2.1 CU-S9NKU-1 CU-S12NKU-1

25 8.2.2 CU-S18NKU-1

26 8.2.3 CU-S22NKU-1

27 9. Printed Circuit Board 9.1 Indoor Unit 9.1.1 Main Printed Circuit Board

28 9.1.2 Power Printed Circuit Board 9.1.3 Indicator Printed Circuit Board

29 9.2 Outdoor Unit 9.2.1 Main Printed Circuit Board 9.2.1.1 CU-S9NKU-1 CU-S12NKU-1

3 1. Safety Precautions • Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing. • Electrical work must be installed or ser

30 9.2.1.2 CU-S18NKU-1 CU-S22NKU-1

31 10. Installation Instruction 10.1 S9NKUW-1 S12NKUW-1 10.1.1 Select the Best Location 10.1.1.1 Indoor Unit • Do not install the unit in excessiv

32 10.1.3 Indoor Unit 10.1.3.1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent if from the vibration.

33 10.1.3.3 Indoor Unit Installation 10.1.3.4 For the right rear piping 10.1.3.5 For the right bottom piping 10.1.3.6 For the embedded piping

34 10.1.3.7 Connect the Cable to the Indoor Unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2

35 10.1.3.8 Wire Stripping and connecting requirement 10.1.3.9 Cutting and flaring the piping 1 Please cut using pipe cutter and then remove the

36 10.1.4 Outdoor Unit 10.1.4.1 Install the Outdoor Unit • After selecting the best location, start installation to Indoor/Outdoor Unit Installation

37 10.1.4.2.4 Gas leak checking Pressure test to system to 400 PSIG with dry nitrogen, in stages. Thoroughly leak check the system. If the pressure h

38 9. Secure the wire onto the control board with the holder (clamper). 10. After completing wiring connections, reattach the control board cover (

39 10.2 S18NKU-1 S22NKU-1 10.2.1 Select the Best Location 10.2.1.1 Indoor Unit • Do not install the unit in excessive oil fume areas such as kitch

4 WARNING 19. During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrig

40 10.2.3 Indoor Unit 10.2.3.1 How to Fix Installation Plate The mounting wall must be strong and solid enough to prevent if from the vibration.

41 10.2.3.3 Indoor Unit Installation 10.2.3.4 For the right rear piping 10.2.3.5 For the right bottom piping 10.2.3.6 For the embedded piping

42 10.2.3.7 Connect the Cable to the Indoor Unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2

43 10.2.3.8 Wire Stripping and connecting requirement 10.2.3.9 Cutting and flaring the piping 1 Please cut using pipe cutter and then remove the

44 10.2.4 Outdoor Unit 10.2.4.1 Install the Outdoor Unit • After selecting the best location, start installation to Indoor/Outdoor Unit Installation

45 10.2.4.3 Evacuation of the equipment When installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the follo

46 9. Secure the wire onto the control board with the holder (clamper). 10. After completing wiring connections, reattach the particular plate and

47 11. Operation Control 11.1 Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operation mode as

48 11.2 Indoor Fan Motor Operation 11.2.1 Basic Rotation Speed • Manual Fan Speed o Fan motor’s number of rotation is determined according to remot

49 11.5.1 Vertical Airflow Vane Angle (°) Operation Mode Airflow Direction 1 2 3 4 5 Auto 20 ~ 45 Cooling Manual 20 26 32 37 45 Auto 20 ~ 45 Soft

5 2. Specification Indoor CS-S9NKUW-1 CS-S12NKUW-1 Model Outdoor CU-S9NKU-1 CU-S12NKU-1 Performance Test Condition ARI ARI Phase, Hz Single, 60

50  When quiet operation is stopped, operation is shifted to normal operation with previous setting.  When fan speed is changed, quiet operation i

51 11.10 Indication Panel LED POWER TIMER QUIET POWERFUL Color Green Orange Orange Orange Light ON Operation ON Timer Setting ON Quiet Mode

52 12. Protection Control 12.1 Restart Control (Time Delay Safety Control) • The compressor will not turn on within 3 minutes from the moment oper

53 12.4.2 S18NK, S22NK • Overheating Prevention Control o When the IPM temperature rises to 212°F, compressor operation will stop immediately. o Co

54 12.9 Outdoor Air Temperature Control • The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in

55 13. Servicing Mode 13.1 Auto Off/On Button Auto OFF/ON Button Pressed Auto OFF/ON Button Pressed 5 sec Auto Operation Test Run Operation (

56 13.2 Remote Control Button 13.2.1 SET Button • To check remote control transmission code and store the transmission code to EEPROM o Press “Set”

57 14. Troubleshooting Guide 14.1 Refrigeration Cycle System In order to diagnose malfunctions, ensure the air conditioner is free from electrical pr

58 14.1.1 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Condition of the air conditioner

59 14.2 Breakdown Self Diagnosis Function 14.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code) • Once error occurred during operation, t

6 Control Device Capillary Tube Capillary Tube Refrigerant Oil cm3 RB68A or Freol Alpha68M (320) RB68A or Freol Alpha68M (320) Refrigeration Cy

60 14.3 Error Code Table Diagnosis display Abnormality / Protection control Abnormality JudgmentEmergency Operation Primary location to verify H00

61 14.4 Troubleshooting Flowchart 14.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions • During startup and operation

62 14.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched) Malfunction Decision Conditions • During startup, error code appears when different types of

63 14.4.3 H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heati

64 14.4.4 H15 (Compressor Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, the

65 14.4.5 H16 (Outdoor Current Transformer Open Circuit) Malfunction Decision Conditions • A current transformer (CT) is detected by checking the co

66 14.4.6 H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions • The rotation speed detected by the Hall IC during fan

67 14.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, th

68 14.4.8 H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, th

69 14.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating,

7 Indoor CS-S18NKU-1 CS-S22NKU-1 Model Outdoor CU-S18NKU-1 CU-S22NKU-1 Performance Test Condition ARI ARI Phase, Hz Single, 60 Single, 60 Power

70 14.4.10 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and h

71 14.4.11 H33 (Unspecified Voltage between Indoor and Outdoor) Malfunction Decision Conditions • The supply power is detected for its requirement

72 14.4.12 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions • The rotation speed detected by the Hall IC during f

73 14.4.13 H98 (Indoor High Pressure Protection) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Condit

74 14.4.14 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Malfunction Decision Conditions • Freeze prevention control takes place

75 14.4.15 F11 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions • When cooling operation, when indoor pipe temperature

76 14.4.16 F90 (Power Factor Correction Protection) Malfunction Decision Conditions • During startup and operation of cooling and heating, when Po

77 14.4.17 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions • During cooling, compressor frequency = Fcmax. • During cooling

78 14.4.18 F93 (Compressor Rotation Failure) Malfunction Decision Conditions A compressor rotation failure is detected by checking the compressor r

79 14.4.19 F95 (Cooling High Pressure Abnormality) Malfunction Decision Conditions During operation of cooling, when outdoor unit heat exchanger hi

8 Control Device Expansion Valve Expansion Valve Refrigerant Oil cm3 RB68A or Freol Alpha68M (400) RB68A or Freol Alpha68M (400) Refrigeration

80 14.4.20 F96 (IPM Overheating) Malfunction Decision Conditions During operating of cooling and heating, when IPM temperature data (212°F) is dete

81 14.4.21 F97 (Compressor Overheating) Malfunction Decision Conditions During operation of cooling and heating, when compressor tank temperature d

82 14.4.22 F98 (Input Over Current Detection) Malfunction Decision Conditions During cooling and heating operation, when an input over-current (16.

83 14.4.23 F99 (Output Over Current Detection) Malfunction Decision Conditions During operation of cooling and heating, when an output over-current

84 WARNING 15. Disassembly and Assembly Instructions High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capa

85 15.1.1.2 To remove discharge grille

86 15.1.1.3 To remove control board 15.1.1.4 To remove cross flow fan and indoor fan motor

87

88 16. Technical Data 16.1 Operation Characteristics 16.1.1 CS-S9NKUW-1 CU-S9NKU-1 • Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WB

89 • Piping Length Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Outdoor temperature: 95°F

9 3. Location of Controls and Components 3.1 Indoor Unit 3.2 Outdoor Unit 3.3 Remote Control

90 16.1.2 CS-S12NKUW-1 CU-S12NKU-1 • Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Pip

91 • Piping Length Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Outdoor temperature: 95°F

92 16.1.3 CS-S18NKU-1 CU-S18NKU-1 • Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Pipi

93 • Piping Length Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Outdoor temperature: 95°F

94 16.1.4 CS-S22NKU-1 CU-S22NKU-1 • Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Pipi

95 • Piping Length Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Outdoor temperature: 95°F

96 17. Exploded View and Replacement Parts List 17.1 Indoor Unit 17.1.1 CS-S9NKUW-1 CS-S12NKUW-1 Note The above exploded view is for the purpose

97 REF. NO. PART NAME & DESCRIPTION QTY. CS-S9NKUW-1 CS-S12NKUW-1 REMARK 1 CHASSIS COMPLETE 1 CWD50C1633 ← 2 FAN MOTOR 1 L6CBYYYL0055

98 17.1.2 CS-S18NKU-1 CS-S22NKU-1 Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts ar

99 REF. NO. PART NAME & DESCRIPTION QTY. CS-S18NKU-1 CS-S22NKU-1 REMARK 1 CHASSIS COMPLETE 1 CWD50C1637 ← 2 FAN MOTOR 1 L6CBYYYL0056