Panasonic CS-ME7QKUA Manuel de service

© Panasonic Corporation 2013 Order No: PAPAMY1312045CE Indoor Unit CS-ME7QKUADestinationU.S.A.Canada Please file and use this manual together w

10 6. Refrigeration Cycle Diagram

11 7. Block Diagram

12 8. Wiring Connection Diagram 8.1 Indoor Unit

13 9. Electronic Circuit Diagram 9.1 Indoor Unit

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

15 10.1.2 Power Printed Circuit Board 10.1.3 Indicator Printed Circuit Board

16 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

17 11.2 Indoor Unit 11.2.1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent it from the vibration. The

18 11.2.3 Indoor Unit Installation 11.2.3.1 For the right rear piping 11.2.3.2 For the right bottom piping 11.2.3.3 For the embedded piping

19 11.2.4 Connect the Cable to the Indoor Unit 1. The inside and outside connection cable can be connected without removing the front grille. 2.

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

20 11.2.5 Wiring Stripping and connecting requirement 11.2.5.1 Cutting and flaring the piping 1 Please cut using pipe cutter and then remove the

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

22 12.1.4.2 Automatic Operation  This mode can be set using remote control and the operation is decided by remote control setting temperature, remot

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

24 12.4.2 Horizontal Airflow The horizontal airflow direction louvers can be adjusted manually by hand. 12.5 Quiet Operation (Cooling Mode/Cooling

25  Control contents o Fan speed auto  Indoor FM RPM depends on pipe temperature sensor of indoor heat exchanger. Auto fan speed is changed from n

26 12.10 Indication Panel Note:  If POWER LED is blinking, the possible operation of the unit are Hot Start, during Deice operation, operation

27 13. Operation Control (For Multi Split Connection) During multi split connection, indoor unit’s operation controls are same with single split conn

28  For the 2nd judgment onwards o If indoor intake temperature - remote control setting temperature  5.4°F, if previous operate in DRY mode, then

29 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

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

30 4 REMOTE CONTROL RECEIVING SOUND OFF/ON MODE The Remote Control Receiving Sound OFF/ON Mode will be activated if the Auto OFF/ON button is pressed

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

32 15.1.1 Relationship between the condition of the air conditioner and pressure and electric current  Carry out the measurements of pressure, ele

33 15.2 Breakdown Self Diagnosis Function 15.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code)  Once error occurred during operation, t

34 15.3 Error Code Table

35 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

36 15.4 Self-diagnosis Method 15.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions  During startup and operation of c

37 15.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched) Malfunction Decision Conditions  During startup, error code appears when different types of

38 15.4.3 H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heati

39 15.4.4 H15 (Compressor Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the

4 CAUTION19. During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrigera

40 15.4.5 H16 (Outdoor Current Transformer Open Circuit) Malfunction Decision Conditions  A current transformer (CT) is detected by checking the co

41 15.4.6 H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan

42 15.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, th

43 15.4.8 H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, th

44 15.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, t

45 15.4.10 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and h

46 15.4.11 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality) Malfunction Decision Conditions  During startup and operation of cooling a

47 15.4.12 H33 (Unspecified Voltage between Indoor and Outdoor) Malfunction Decision Conditions  The supply power is detected for its requirement b

48 15.4.13 H36 (Outdoor Gas Pipe Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temp

49 15.4.14 H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and he

5 2. Specification Model Indoor CS-ME7QKUA Outdoor CU-5E36QBU Performance Test Condition ARI Power Supply Phase, Hz Single, 60 V 208 230 Min. Mi

50 15.4.15 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during f

51 15.4.16 H98 (Indoor High Pressure Protection) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Condit

52 15.4.17 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Malfunction Decision Conditions  Freeze prevention control takes place (w

53 15.4.18 F11 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  When cooling operation, when indoor pipe temperature o

54 15.4.19 F17 (Indoor Standby Units Freezing Abnormality) Malfunction Decision Conditions  When the different between indoor intake air temperatur

55 15.4.20 F90 (Power Factor Correction Protection) Malfunction Decision Conditions  During startup and operation of cooling and heating, when Powe

56 15.4.21 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions  During cooling, compressor frequency = Fcmax.  During cooling a

57 15.4.22 F93 (Compressor Rotation Failure) Malfunction Decision Conditions A compressor rotation failure is detected by checking the compressor run

58 15.4.23 F95 (Cooling High Pressure Abnormality) Malfunction Decision Conditions During operation of cooling, when outdoor unit heat exchanger high

59 15.4.24 F96 (IPM Overheating) Malfunction Decision Conditions During operating of cooling and heating, when IPM temperature data (212°F) is detecte

6 Model Indoor CS-ME7QKUA Outdoor CU-5E36QBU Drain Hose Inner Diameter mm (inch) 16.7 (5/8) Length mm (inch) 650 (25-5/8) Indoor Heat Exchanger Fi

60 15.4.25 F97 (Compressor Overheating) Malfunction Decision Conditions During operation of cooling and heating, when compressor tank temperature dat

61 15.4.26 F98 (Input Over Current Detection) Malfunction Decision Conditions During cooling and heating operation, when an input over-current (16.8A)

62 15.4.27 F99 (Output Over Current Detection) Malfunction Decision Conditions During operation of cooling and heating, when an output over-current (

63 WARNING16. Disassembly and Assembly Instructions High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capac

64 16.1.1.2 To remove discharge grille

65 16.1.1.3 To remove control board 16.1.1.4 To remove cross flow fan and indoor fan motor

66

67 17. Exploded View and Replacement Parts List 17.1 Indoor Unit Note The above exploded view is for the purpose of parts disassembly and replaceme

68 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-ME7QKUA REMARK 1 CHASSIS COMPLETE 1 CWD50C1633 2 FAN MOTOR 1 L6CBYYYL0055 O 3

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

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

9 5. Dimensions 5.1 Indoor Unit