Panasonic S12NKUA Service Manual

© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011. Unauthorized copying and distribution is a violation of law. Order No: PHAAM1111085C1 Indoor Un

10 5. Refrigeration Cycle Diagram INDOOR OUTDOORINTAKETEMP.SENSORPIPETEMP.SENSORLIQUIDSIDE2-WAYVALVE4-WAYVALVEGASSIDECOOLINGHEAT EXCHANGER(EVAPORATOR

11 6. Block Diagram

12 7. Wiring Connection Diagram 7.1 Indoor Unit

13 7.2 Outdoor Unit

14 8. Electronic Circuit Diagram 8.1 Indoor Unit

15 8.2 Outdoor Unit

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

17 9.1.2 Power Printed Circuit Board 9.1.3 Indicator Printed Circuit Board

18 9.2 Outdoor Unit 9.2.1 Main Printed Circuit Board

19 10. Installation Instruction 10.1 S9NKUA S12NKUA 10.1.1 Select the Best Location 10.1.1.1 Indoor Unit • Do not install the unit in excessive oi

2 12.1 Restart Control (Time Delay Safety Control).. ...31 12.2 30 Seconds Forced O

20 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.

21 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

22 10.1.3.7 Connect the Cable to the Indoor Unit 1. The inside and outside connection cable can be connected without removing the front grille. 2

23 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

24 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

25 10.1.4.3 Evacuation of the equipment WHEN INSTALLATION AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the fol

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

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

28 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

29 11.4.1 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

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

30 11.6 Powerful Mode Operation • When the powerful mode is selected, the internal setting temperature will shift lower up to 35.6°F (for Cooling/S

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

32 12.5 Low Pressure Protection Control (Gas Leakage Detection) • Control start conditions o For 5 minutes, the compressor continously operates

33 12.10 Freeze Prevention Control • When indoor heat exchanger temperature is lower than 32°F continuously for 6 minutes, compressor will stops op

34 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 (

35 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”

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

37 14.1.1 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Condition of the air conditioner

38 14.2 Breakdown Self Diagnosis Function 14.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code) • Once error occurred during operation, t

39 14.3 Error Code Table Diagnosis display Abnormality / Protection control Abnormality JudgmentEmergency Operation Primary location to verify H00

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

40 14.4 Troubleshooting Flowchart 14.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions • During startup and operation

41 14.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched) Malfunction Decision Conditions • During startup, error code appears when different types of

42 14.4.3 H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heati

43 14.4.4 H15 (Compressor Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, the

44 14.4.5 H16 (Outdoor Current Transformer Open Circuit) Malfunction Decision Conditions • A current transformer (CT) is detected by checking the co

45 14.4.6 H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions • The rotation speed detected by the Hall IC during fan

46 14.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, th

47 14.4.8 H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, th

48 14.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating,

49 14.4.10 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and h

5 2. Specification Indoor CS-S9NKUA CS-S12NKUA Model Outdoor CU-S9NKUA CU-S12NKUA Performance Test Condition ARI ARI Phase, Hz Single, 60 Single

50 14.4.11 H33 (Unspecified Voltage between Indoor and Outdoor) Malfunction Decision Conditions • The supply power is detected for its requirement

51 14.4.12 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions • The rotation speed detected by the Hall IC during f

52 14.4.13 H98 (Indoor High Pressure Protection) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Condit

53 14.4.14 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Malfunction Decision Conditions • Freeze prevention control takes place

54 14.4.15 F11 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions • When cooling operation, when indoor pipe temperature

55 14.4.16 F90 (Power Factor Correction Protection) Malfunction Decision Conditions • During startup and operation of cooling and heating, when Po

56 14.4.17 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions • During cooling, compressor frequency = Fcmax. • During cooling

57 14.4.18 F93 (Compressor Rotation Failure) Malfunction Decision Conditions A compressor rotation failure is detected by checking the compressor r

58 14.4.19 F95 (Cooling High Pressure Abnormality) Malfunction Decision Conditions During operation of cooling, when outdoor unit heat exchanger hi

59 14.4.20 F96 (IPM Overheating) Malfunction Decision Conditions During operating of cooling and heating, when IPM temperature data (212°F) is dete

6 Control Device Capillary Tube Capillary Tube Refrigerant Oil cm3 FV50S (320) FV50S (320) Refrigeration Cycle Refrigerant Type g (oz) R410A,

60 14.4.21 F97 (Compressor Overheating) Malfunction Decision Conditions During operation of cooling and heating, when compressor tank temperature d

61 14.4.22 F98 (Input Over Current Detection) Malfunction Decision Conditions During cooling and heating operation, when an input over-current (16.

62 14.4.23 F99 (Output Over Current Detection) Malfunction Decision Conditions During operation of cooling and heating, when an output over-current

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

64 15.1.1.2 To remove discharge grille

65 15.1.1.3 To remove control board 15.1.1.4 To remove cross flow fan and indoor fan motor

66

67 16. Technical Data 16.1 Operation Characteristics 16.1.1 CS-S9NKUA CU-S9NKUA • Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT)

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

69 16.1.2 CS-S12NKUA CU-S12NKUA • Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Piping

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

8 4. Dimensions 4.1 Indoor Unit

9 4.2 Outdoor Unit