Panasonic E18NKUA Manual de Serviço

© Panasonic Appliances Air-Conditioning (M) Sdn. Bhd. 2012. Unauthorized copying and distribution is a violation of law. Order No: PAPAMY1204088CE

10 5. Dimensions 5.1 Indoor Unit

11 5.2 Outdoor Unit

12 6. Refrigeration Cycle Diagram

13 7. Block Diagram

14 8. Wiring Connection Diagram 8.1 Indoor Unit

15 8.2 Outdoor Unit

16 9. Electronic Circuit Diagram 9.1 Indoor Unit

17 9.2 Outdoor Unit

18 10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board

19 10.1.2 Power Printed Circuit Board 10.1.3 Indicator and Receiver Printed Circuit Board

2 12.2 Indoor Fan Motor Operation ...31 12.3 Outdoor Fan Motor Operation ...32 12.4 Airflow Direction...

20 10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board

21 10.2.2 Noise Filter Printed Circuit Board

22 11. Installation Instruction 11.1 Select the Best Location 11.1.1 Indoor Unit  Do not install the unit in excessive oil fume area such as kitche

23 11.3 Indoor Unit 11.3.1 How to Fix Installation Plate The mounting wall must be strong and solid enough to prevent it from the vibration. The c

24 11.3.3 Indoor Unit Installation 11.3.4 For the right rear piping 11.3.5 For the right bottom piping 11.3.6 For the embedded piping

25 11.3.7 Connect the Cable to the Indoor Unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2.

26 11.3.8 Wiring Stripping and connecting requirement 11.3.9 Cutting and flaring the piping 1 Please cut using pipe cutter and then remove the b

27 11.4 Outdoor Unit 11.4.1 Install the Outdoor Unit  After selecting the best location, start installation according to indoor/outdoor unit instal

28 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 followi

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

3 CAUTION WARNING WARNING 1. Safety Precautions  Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing.  Electrical work

30 12. Operation Control 12.1 Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operation mode as

31 12.1.5 Automatic Operation  This mode can be set using remote control and the operation is decided by remote control setting temperature, remote

32 [Heating] o According to indoor pipe temperature, automatic heating fan speed is determined as follows.  Feedback control o Immediately after

33  Manual vertical airflow direction can be set using remote control; the angles of the vane are as stated above and the positions of the vane are

34  During quiet operation, if ON timer activates, quiet operation maintains.  After off, when on back, quiet operation is not memorised.  Contr

35 12.8 Timer Control 12.8.1 ON Timer Control  ON Timer can be set using remote control, where the unit with timer set will start operation earlier

36 13. Protection Control 13.1 Protection Control For All Operations 13.1.1 Restart Control (Time Delay Safety Control)  The compressor will not

37 13.1.5 Compressor Overheating Prevention Control  Instructed frequency for compressor operation will be regulated by compressor discharge tempera

38 13.2.2 Cooling Overload Control  Pipe temperature limitation / restriction. o Detects the outdoor pipe temperature and carry out restriction

39 13.2.6.3 Overload Protection Control  The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as show

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

40 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 i

41 Press Auto OFF/ON button to toggle remote control receiving sound. - Short “beep”: Turn OFF remote control receiving sound. - Long “beep”: Turn O

42 15. Troubleshooting Guide 15.1 Refrigeration Cycle System In order to diagnose malfunctions, make sure that there are no electrical problems befor

43 15.1.1 Relationship between the condition of the air conditioner and pressure and electric current  Carry out the measurements of pressure, ele

44 15.2 Breakdown Self Diagnosis Function 15.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code)  Once error occurred during operation, t

45 15.3 Error Code Table

46 Note: “○” – Frequency measured and fan speed fixed The memory data of error code is erased when the power supply is cut off, or press the Auto Sw

47 15.4 Self-diagnosis Method 15.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions  During startup and operation of c

48 15.4.2 H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heati

49 15.4.3 H16 (Outdoor Current Transformer Open Circuit) Malfunction Decision Conditions  A current transformer (CT) is detected by checking the co

5 2. Specification Indoor CS-E18NKUA CS-E24NKUA Model Outdoor CU-E18NKUA CU-E24NKUA Performance Test Condition ARI ARI Phase, Hz Single, 60 Sing

50 15.4.4 H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan

51 15.4.5 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, th

52 15.4.6 H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, th

53 15.4.7 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating,

54 15.4.8 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and he

55 15.4.9 H33 (Unspecified Voltage between Indoor and Outdoor) Malfunction Decision Conditions  The supply power is detected for its requirement by

56 15.4.10 H98 (Indoor High Pressure Protection) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Condit

57 15.4.11 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Malfunction Decision Conditions  Freeze prevention control takes place

58 15.4.12 F11 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  When cooling operation, when indoor pipe temperature

59 15.4.13 F90 (Power Factor Correction Protection) Malfunction Decision Conditions  During startup and operation of cooling and heating, when Powe

6 Type Propeller Propeller Material PP PP Motor Type DC Motor (8 poles) DC Motor (8 poles) Input Power W - - Output Power W 60 60 Outd

60 15.4.14 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions  During cooling, compressor frequency = Fcmax.  During cooling

61 15.4.15 F93 (Compressor Rotation Failure) Malfunction Decision Conditions A compressor rotation failure is detected by checking the compressor r

62 15.4.16 F95 (Cooling High Pressure Abnormality) Malfunction Decision Conditions During operation of cooling, when outdoor unit heat exchanger hi

63 15.4.17 F96 (IPM Overheating) Malfunction Decision Conditions During operating of cooling and heating, when IPM temperature data (212.0°F) is de

64 15.4.18 F97 (Compressor Overheating) Malfunction Decision Conditions During operation of cooling and heating, when compressor tank temperature d

65 15.4.19 F98 (Input Over Current Detection) Malfunction Decision Conditions During cooling and heating operation, when an input over-current (16.

66 15.4.20 F99 (Output Over Current Detection) Malfunction Decision Conditions During operation of cooling and heating, when an output over-current

67 WARNING 16. Disassembly and Assembly Instructions High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capa

68 16.1.1.2 To remove discharge grille

69 16.1.1.3 To remove control board 16.1.1.4 To remove cross flow fan and indoor fan motor

7 DRY BULB WET BULB DRY BULB WET BULB Maximum 89.6 73.4 89.6 73.4 Indoor Operation Range (Cooling) Minimum 60.8 51.8 60.8 51.8 Maximum 109.4 78.8

70

71 17. Technical Data 17.1 Operation Characteristics 17.1.1 CS-E18NK CU-E18NK  Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT)

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

73  Heating Characteristic o Room temperature: 68°F (DBT) o Operation condition: High fan speed o Piping length: 24.6ft o Compressor Frequency

74  Piping Length Characteristic Heating o Room temperature: 68°F (DBT) o Operation condition: High fan speed o Outdoor temperature: 47°F (DBT

75 17.1.2 CS-E24NK CU-E24NK  Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Piping l

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

77  Heating Characteristic o Room temperature: 68°F (DBT) o Operation condition: High fan speed o Piping length: 24.6ft o Compressor Frequency

78  Piping Length Characteristic Heating o Room temperature: 68°F (DBT) o Operation condition: High fan speed o Outdoor temperature: 47°F (DBT

79 18. Exploded View and Replacement Parts List 18.1 Indoor Unit Note The above exploded view is for the purpose of parts disassembly and replacem

8 3. Features  Inverter Technology o Wider output power range o Energy saving o Quick Cooling o More precise temperature control  Environment

80 REF. NO. PART NAME & DESCRIPTION QTY. CS-E18NKUA CS-E24NKUA REMARK 1 CHASSIS COMPLETE 1 CWD50C1637 ← 2 FAN MOTOR 1 ARW7663AC ← O 3

81 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 s

82 REF. NO. PART NAME & DESCRIPTION QTY. CU-E18NKUA CU-E24NKUA REMARK 1 CHASSIS ASS’Y 1 CWD52K1228A ← 2 ANTI-VIBRATION BUSHING 3 CWH50

9 4. Location of Controls and Components 4.1 Indoor Unit 4.2 Outdoor Unit 4.3 Remote Control