Table of Contents
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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 frostbit, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
WARNING
PRECAUTION OF LOW TEMPERATURE
Indoor Unit
CS-S9PKR
CS-S12PKR
CS-S18PKR
CS-S24PKR
CS-S28PKR
Order No: PAPAMY1307066CE
Outdoor Unit
CU-S9PKR
CU-S12PKR
CU-S18PKR
CU-S24PKR
CU-S28PKR
Destination
Oceania
© Panasonic Corporation 2013
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Table of Contents
Troubleshooting
Related Manuals for Panasonic Indoor Unit CS-S12PKR
Summarization of Contents
Safety Precautions
General Safety Precautions
Essential safety guidelines and warnings for servicing and operation.
Controls and Components
Indoor Unit Controls
Location and identification of controls and indicators on the indoor unit.
Outdoor Unit Location
Identification of the outdoor unit's components and features.
Remote Control Layout
Diagram and explanation of the remote control buttons and display.
Dimensions
Indoor Unit Dimensions
Detailed measurements for indoor unit models CS-S9/S12/S18/S24/S28PKR.
Outdoor Unit Dimensions
Detailed measurements for outdoor unit models CU-S9/S12/S18/S24/S28PKR.
Refrigeration Cycle Diagrams
Cycle Diagram (S9/S12PKR)
Schematic of the refrigeration cycle for S9/S12PKR indoor/outdoor units.
Cycle Diagram (S18-S28PKR)
Schematic of the refrigeration cycle for S18-S28PKR indoor/outdoor units.
Block Diagrams
Block Diagram (S9/S12PKR)
Electrical block diagram for S9/S12PKR indoor/outdoor units.
Block Diagrams (S18-S28PKR)
Electrical block diagrams for S18-S28PKR indoor/outdoor units.
Wiring Connection Diagrams
Indoor Unit Wiring
Wiring diagrams for indoor units CS-S9/S12/S18/S24/S28PKR.
Outdoor Unit Wiring
Wiring diagrams for outdoor units CU-S9/S12/S18/S24/S28PKR.
Electronic Circuit Diagrams
Indoor Unit Circuits
Circuit diagrams for indoor unit electronic controllers.
Outdoor Unit Circuits
Circuit diagrams for outdoor unit electronic controllers.
Printed Circuit Board Layouts
Indoor Unit PCBs
Layouts of the main and indicator PCBs for the indoor unit.
Outdoor Unit PCBs
Layouts of main, demand control, and noise filter PCBs for outdoor units.
Installation Instructions
Best Location Selection
Guidance on choosing optimal indoor and outdoor unit placement.
Indoor Unit Installation
Steps for installing the indoor unit, including mounting plate and piping holes.
Outdoor Unit Installation
Procedures for installing the outdoor unit, connecting pipes, and evacuation.
Operation Control
Basic Cooling and Dry Modes
Details on internal temp, cooling, and soft dry operations.
Fan Speed and Airflow Control
Managing indoor fan speeds, auto/manual modes, and airflow direction.
Special Operation Modes
Using Quiet, Powerful, and Economy modes for comfort and efficiency.
Timer and Auto Restart Features
Setting timers and understanding the auto-restart function.
Unit Indicators and External Connection
Interpreting panel LEDs and connecting to external devices via HA terminal.
Protection Control
General Operation Protection
Covers restart, current, IPM, and frequency protection mechanisms.
Cooling/Soft Dry Protection
Details on outdoor temp, overload, freeze, dew, and odor prevention controls.
Demand Control and Pump Down
Managing power consumption and pump down operations.
Servicing Mode
Main Unit Servicing Functions
Using the Auto Off/On button for operations, test runs, and settings.
Remote Control Functions
Details on SET, CLOCK, RESET, and TIMER buttons for unit control.
Troubleshooting Guide
Refrigeration Cycle Diagnosis
Diagnosing issues based on pressure, temperature, and current readings.
Self-Diagnosis Function
Using the unit's built-in diagnostic system to identify errors.
Error Code Reference
Table listing error codes, their causes, and check locations.
Specific Malfunction Flowcharts
Step-by-step guides for diagnosing various error codes and malfunctions.
Disassembly and Assembly Instructions
Indoor Unit Disassembly (S9/S12PKR)
Procedures for removing front grille, electronic controller, and fans for S9/S12PKR models.
Indoor Unit Disassembly (S18/S24/S28PKR)
Procedures for removing front grille, vanes, controller, and fans for S18/S24/S28PKR models.
Outdoor Unit Controller Removal (S9/S12PKR)
Steps to remove the electronic controller from the outdoor unit.
Outdoor Unit Controller Removal (S18/S24/S28PKR)
Steps to remove the electronic controller from the outdoor unit for specific models.
Technical Data
Operation Characteristics Charts
Graphs showing cooling capacity, current, and pressure vs. outdoor temp and piping length.
Sensible Capacity Charts
Tables detailing sensible capacity based on indoor/outdoor conditions.
Exploded Views and Parts List
Indoor Unit Parts List
Exploded views and part numbers for indoor units CS-S9/S12/S18/S24/S28PKR.
Outdoor Unit Parts List
Exploded views and part numbers for outdoor units CU-S9/S12/S18/S24/S28PKR.
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