Panasonic CS-S9NKUW-1 Service Manual
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Panasonic CS-S9NKUW-1 Service Manual

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Please file and use this manual together with the service manual for Model No. CU-2S18NBU, Order No. PHAAM1111121C1.
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the products dealt with in this service information by anyone else could result in serious injury or death.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
CS-S9NKUW-1
CS-S12NKUW-1
CS-S18NKU-1
CS-S22NKU-1
WARNING
PRECAUTION OF LOW TEMPERATURE
Indoor Unit
© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011.
Unauthorized copying and distribution is a violation of law.
Order No: PHAAM1111084C1
Outdoor Unit
CU-S9NKU-1
CU-S12NKU-1
CU-S18NKU-1
CU-S22NKU-1

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Summary of Contents for Panasonic CS-S9NKUW-1

  • Page 1 PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit. © Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    13. Servicing Mode ..........55 5. Refrigeration Cycle Diagram ......13 13.1 Auto Off/On Button ........55 13.2 Remote Control Button ......56 CS-S9NKUW-1 CU-S9NKU-1 CS-S12NKUW-1 CU-S12NKU-1 ....13 14. Troubleshooting Guide........57 CS-S18NKU-1 CU-S18NKU-1 14.1 Refrigeration Cycle System....... 57 CS-S22NKU-1 CU-S22NKU-1 ....14 14.2...

  • Page 3: Safety Precautions

    1. Safety Precautions • Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing. • Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. •...
  • Page 4 WARNING During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.).

  • Page 5: Specification

    2. Specification Indoor CS-S9NKUW-1 CS-S12NKUW-1 Model Outdoor CU-S9NKU-1 CU-S12NKU-1 Performance Test Condition Phase, Hz Single, 60 Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. 1.20 2.49 3.00 1.20 2.49 3.00 1.20 3.48 3.85...
  • Page 6 Control Device Capillary Tube Capillary Tube Refrigeration Refrigerant Oil RB68A or Freol Alpha68M (320) RB68A or Freol Alpha68M (320) Cycle Refrigerant Type g (oz) R410A, 965 (34.1) R410A, 980 (34.6) Height(I/D / O/D) mm (inch) 290 (11-7/16) / 540 (21-9/32) 290 (11-7/16) / 540 (21-9/32) Dimension Width (I/D / O/D)
  • Page 7 Indoor CS-S18NKU-1 CS-S22NKU-1 Model Outdoor CU-S18NKU-1 CU-S22NKU-1 Performance Test Condition Phase, Hz Single, 60 Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. 1.30 5.01 5.80 1.30 5.01 5.80 1.30 6.18 6.85 1.30 6.18 6.85 Capacity...
  • Page 8 Control Device Expansion Valve Expansion Valve Refrigeration Refrigerant Oil RB68A or Freol Alpha68M (400) RB68A or Freol Alpha68M (400) Cycle Refrigerant Type g (oz) R410A, 1.18k (41.7) R410A, 1.37k (48.4) Height(I/D / O/D) mm (inch) 290 (11-7/16) / 795 (31-5/16) 290 (11-7/16) / 795 (31-5/16) Dimension Width (I/D / O/D)

  • Page 9: Location Of Controls And Components

    3. Location of Controls and Components Indoor Unit Outdoor Unit Remote Control...

  • Page 10: Dimensions

    4. Dimensions Indoor Unit 4.1.1 CS-S9NKUW-1 CS-S12NKUW-1...
  • Page 11 4.1.2 CS-S18NKU-1 CS-S22NKU-1...

  • Page 12: Outdoor Unit

    Outdoor Unit 4.2.1 CU-S9NKU-1 CU-S12NKU-1 4.2.2 CU-S18NKU-1 CU-S22NKU-1...

  • Page 13: Refrigeration Cycle Diagram

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

  • Page 14: Cs-S18Nku-1 Cu-S18Nku-1 Cs-S22Nku-1 Cu-S22Nku-1

    CS-S18NKU-1 CU-S18NKU-1 CS-S22NKU-1 CU-S22NKU-1...

  • Page 15: Block Diagram

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

  • Page 16: Cs-S18Nku-1 Cu-S18Nku-1 Cs-S22Nku-1 Cu-S22Nku-1

    CS-S18NKU-1 CU-S18NKU-1 CS-S22NKU-1 CU-S22NKU-1...

  • Page 17: Wiring Connection Diagram

    7. Wiring Connection Diagram Indoor Unit 7.1.1 CS-S9NKUW-1 CS-S12NKUW-1...
  • Page 18 7.1.2 CS-S18NKU-1 CS-S22NKU-1...

  • Page 19: Outdoor Unit

    Outdoor Unit 7.2.1 CU-S9NKU-1 CU-S12NKU-1...
  • Page 20 7.2.2 CU-S18NKU-1...
  • Page 21 7.2.3 CU-S22NKU-1...

  • Page 22: Electronic Circuit Diagram

    8. Electronic Circuit Diagram Indoor Unit 8.1.1 CS-S9NKUW-1 CS-S12NKUW-1...
  • Page 23 8.1.2 CS-S18NKU-1 CS-S22NKU-1...

  • Page 24: Outdoor Unit

    Outdoor Unit 8.2.1 CU-S9NKU-1 CU-S12NKU-1...
  • Page 25 8.2.2 CU-S18NKU-1...
  • Page 26 8.2.3 CU-S22NKU-1...

  • Page 27: Printed Circuit Board

    9. Printed Circuit Board Indoor Unit 9.1.1 Main Printed Circuit Board...
  • Page 28 9.1.2 Power Printed Circuit Board 9.1.3 Indicator Printed Circuit Board...

  • Page 29: Outdoor Unit

    Outdoor Unit 9.2.1 Main Printed Circuit Board 9.2.1.1 CU-S9NKU-1 CU-S12NKU-1...
  • Page 30 9.2.1.2 CU-S18NKU-1 CU-S22NKU-1...

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