Panasonic cu-ke30nku User Manuals

Table of Contents

• TECHNICAL & SERVICE MANUAL

  1
• SAFETY PRECAUTIONS

  2
• Table of Contents

  4
• 1. OPERATING RANGE

  6
• 2. SPECIFICATIONS

  7
  • 2-1. Unit Specifications

    7
  • 2-2. Major Component Specifications

    11
  • 2-3. Other Component Specifications

    15
• 3. DIMENSIONAL DATA

  16
• 4. REFRIGERANT FLOW DIAGRAM

  18
  • 4-1. Refrigerant Flow Diagram

    18
• 5. PERFORMANCE DATA

  19
  • 5-1. Temperature Charts

    19
  • 5-2. Cooling Capacity

    23
  • 5-3. Cooling Capacity (Low Ambient)

    25
  • 5-4. Heating Capacity

    27
  • 5-5. Air Throw Distance Charts

    29
• 6. ELECTRICAL DATA

  31
• 7. FUNCTIONS

  35
  • 7-1. Operation Functions

    35
  • 7-2. Protective Functions

    39
• 8. TROUBLESHOOTING (BEFORE CALLING FOR SERVICE)

  41
  • 8-1. Precautions before Performing Inspection or Repair

    41
  • 8-2. Method of Self-Diagnostics

    41
  • 8-3. Checking the Indoor and Outdoor Units

    44
  • 8-4. Trouble Diagnosis of Fan Motor

    48
  • 8-5. Noise Malfunction and Electromagnetic Interference

    50
• 9. CHECKING ELECTRICAL COMPONENTS

  51
  • 9-1. Measurement of InsulationResistance

    51
  • 9-2. Checking Continuity of Fuse onPCB Ass'y

    52
• 10. REFRIGERANT R410A:SPECIAL PRECAUTIONS WHEN SERVICING UNIT

  53
  • 10-1. Characteristics of New Refrigerant R410A

    53
  • 10-2. Checklist before Servicing

    54
  • 10-3. Tools Specifically for R410A

    55
  • 10-4. Tubing Installation Procedures

    55
  • 10-5. In Case of Compressor Malfunction

    56
  • 10-6. In Case Refrigerant is Leaking

    58
  • 10-7. Charging Additional Refrigerant

    59
  • 10-8. Retro-Fitting Existing Systems

    59