Panasonic CU-S12NKU-1 - Manual

Panasonic CU-S12NKU-1

Panasonic CU-S12NKU-1 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – TABLE OF CONTENTS; IPM (Power Transistor) Prevention Control52; Exploded View and Replacement Parts List. 96
  • Page 3 – Safety Precautions; WARNING
  • Page 9 – Location of Controls and Components; Unit
  • Page 13 – Refrigeration Cycle Diagram
  • Page 17 – Wiring Connection Diagram
  • Page 22 – Electronic Circuit Diagram
  • Page 27 – Printed Circuit Board; Main Printed Circuit Board
  • Page 31 – Instruction; Select the Best Location; Indoor/Outdoor Unit Installation
  • Page 32 – Indoor Unit; How to Fix Installation Plate
  • Page 34 – Connect the Cable to the Indoor Unit
  • Page 35 – down to avoid the metal powder entering the pipe.
  • Page 36 – Install the Outdoor Unit; Please fasten the installation stand firmly with bolt or nails.; Connect the Piping; Align the center of piping and sufficiently tighten; Connecting the piping to outdoor multi
  • Page 38 – Insulation
  • Page 44 – Gas leak checking
  • Page 45 – Evacuation of the equipment; down to a value of 500 microns.; Connect the Cable to the Outdoor Unit; wires minimum AWG16 in accordance with local electric codes.
  • Page 46 – using POLY-E FOAM with thickness 1⁄4” or above.
  • Page 47 – Control; Internal Setting Temperature; Compressor OFF point.; control; Compressor OFF point.; Operation; The operation mode is decided based on below chart.
  • Page 48 – Indoor Fan Motor Operation; Basic Rotation Speed; Airflow Direction
  • Page 50 – Powerful Mode Operation; Timer; Random Auto Restart Control
  • Page 51 – If TIMER LED blinks, there is an abnormal operation occurs.
  • Page 52 – 0 Seconds Forced Operation; full cycle and return back to the outdoor unit.; Total Running Current Control; operation will be decreased.; Overheating Prevention Control
  • Page 55 – Mode; AUTO OPERATION MODE
  • Page 56 – Remote Control Button; Button
  • Page 57 – Guide; Refrigeration Cycle System
  • Page 58 – electric current
  • Page 59 – Breakdown Self Diagnosis Function; Self Diagnosis Function (Three Digits Alphanumeric Code)
  • Page 60 – Error Code Table; ” – Frequency measured and fan speed fixed
  • Page 61 – Malfunction Decision Conditions; transmission is checked whether it is normal.
  • Page 62 – Wrong models interconnected.
  • Page 63 – H14 (Indoor Intake Air Temperature Sensor Abnormality); temperature sensor are used to determine sensor errors.
  • Page 64 – H15 (Compressor Temperature Sensor Abnormality)
  • Page 65 – H16 (Outdoor Current Transformer Open Circuit); rated frequency) and
  • Page 66 – H19 (Indoor Fan Motor – DC Motor Mechanism Locked); Operation stops due to short circuit inside the fan motor winding.
  • Page 67 – H23 (Indoor Pipe Temperature Sensor Abnormality)
  • Page 68 – H27 (Outdoor Air Temperature Sensor Abnormality); sensor are used to determine sensor errors.
  • Page 69 – H28 (Outdoor Pipe Temperature Sensor Abnormality)
  • Page 72 – Troubleshooting
  • Page 74 – Clogged air filter of the indoor unit
  • Page 75 – Faulty
  • Page 76 – the outdoor unit main PCB senses abnormal high DC voltage level.
  • Page 77 – Refrigerant shortage (refrigerant leakage)
  • Page 78 – Compressor terminal disconnect
  • Page 79 – Outdoor pipe temperature rise due to defective outdoor unit PCB.
  • Page 80 – IPM overheats due to short circuit of hot discharge air flow.
  • Page 82 – Over-current due to compressor failure.
  • Page 83 – DC peak due to compressor failure.; Checking the power transistor
  • Page 84 – Disassembly and Assembly Instructions; Removal Procedures; To remove front grille; To remove power electronic controller
  • Page 85 – To remove discharge grille
  • Page 88 – Data; Operation Characteristics
  • Page 96 – Exploded View and Replacement Parts List
  • Page 97 – “O” marked parts are recommended to be kept in stock.
  • Page 103 – Printed in Malaysia
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© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011.
Unauthorized copying and distribution is a violation of law.

Order No: PHAAM1111084C1


Indoor Unit

Outdoor Unit

CS-S9NKUW-1

CS-S12NKUW-1

CS-S18NKU-1
CS-S22NKU-1

CU-S9NKU-1

CU-S12NKU-1
CU-S18NKU-1
CU-S22NKU-1

Please file and use this manual together with the service manual for Model No. CU-2S18NBU, Order No. PHAAM1111121C1.






PRECAUTION OF LOW TEMPERATURE

In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.

WARNING

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.

"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.

Summary

Page 2 - TABLE OF CONTENTS; IPM (Power Transistor) Prevention Control52; Exploded View and Replacement Parts List. 96

2 TABLE OF CONTENTS 1. Safety Precautions .............................................3 2. Specification .......................................................5 3. Location of Controls and Components............9 3.1 Indoor Unit ....................................................9 3.2 Outdoor Uni...

Page 3 - Safety Precautions; WARNING

3 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. • The caution items state...

Page 9 - Location of Controls and Components; Unit

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

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