852-6-4190-576-00-0 | Panasonic CU-KS18NKU, CS-KS18NKU specification

APPENDIX B

INSTALLATION INSTRCTIONS

CS-KS18NKU + CU-KS18NKU + CU-KS18NKUA

CS-KS24NKU + CU-KS24NKU + CU-KS24NKUA

(852-6-4190-576-00-0)

A-2

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Panasonic CU-KS18NKU, CS-KS18NKU service manual 852-6-4190-576-00-0

Contents

DC Inverter Split System AIR Conditioner Safety Precautions Prohibit Table of Contents Appendix a Operating Range Models CS-KS18NKU + CU-KS18NKUCS-KS24NKU + CU-KS24NKU Models CS-KS18NKU + CU-KS18NKUA Specifications Unit SpecificationsCS-KS18NKU CU-KS18NKU 208V CS-KS24NKU CU-KS24NKU 12.1 CU-KS18NKUA 15 1.2 to Outdoor Unit CU-KS24NKUA 230V Dimen CU-KS24NKUA Indoor Unit CS-KS18NKU Major Component SpecificationsIndoor Unit Indoor Unit CS-KS24NKU CB-CS-KS24NKU Outdoor Unit Outdoor Unit CU-KS18NKU Outdoor Unit CU-KS24NKU Outdoor Unit CU-KS18NKUA Outdoor Unit CU-KS24NKUA CU-KS18NKU CU-KS24NKU CU-KS18NKUA CU-KS24NKUA Other Component SpecificationsCS-KS18NKU CS-KS24NKU Dimensional Data 23-15/165-11/32 852-0-0010-119-00-0 Refrigerant Flow Diagram Refrigerant Flow DiagramInsulation of Refrigerant Tubing CS-KS24NKU CU-KS18NKUA CU-KS24NKUA Temperature Charts Performance Data Indoor Unit CS-KS18NKU Outdoor Unit CU-KS18NKUA Indoor Unit CS-KS24NKU Outdoor Unit CU-KS24NKU Indoor Unit CS-KS24NKU Outdoor Unit CU-KS24NKUA Outdoor Unit CU-KS18NKU / CU-KS18NKUA Power Supply 230V Single Phase 60Hz Cooling CapacityCooling Capacity Outdoor Unit CU-KS24NKU / CU-KS24NKUA Cooling Capacity Low Ambient SHC 15,690 20,420 Air Throw Distance Charts Cooling Electrical Characteristics Electrical Data CS-KS24NKU 8FA2-5251-11000-2 Electric Wiring DiagramsIndoor Unit CS-KS18NKU CS-KS24NKU Outdoor Unit CU-KS18NKU CU-KS18NKUA BLK RED WHT 1P-CONNECTORWHT Maintenance Address Setting of the Remote Control Unit How to Disconnect How to Connect Functions Operation FunctionsEmergency operation PAM- control Timer backup Lamp colors Compressor discharge temperature control Protective FunctionsFreeze prevention CT Peak current cut-off control Method of Self-Diagnostics Troubleshooting Before Calling for ServicePrecautions before Performing Inspection or Repair Self-diagnostics Lamps Code Diagnosis Contents Replace the circuit board or the fuse NormalReplace the controller Checking the indoor unit Control Check items unit operation Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units Serial Communication Error Identification Procedure Before the OperationOff Blinking Illuminated Condition E01 From the previous page a Condition E12 Trouble Diagnosis of Fan Motor Indoor Fan Motor Outdoor Fan Motor CU-KS24NKU / CU-KS24NKUA Electromagnetic interference Noise Malfunction and Electromagnetic InterferenceNoise malfunction Power Supply Cord Checking Electrical ComponentsMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical Parts Checking Continuity of Fuse on PCB Assy Refrigerant R410A Special Precautions When Servicing Unit Characteristics of New Refrigerant R410AWhat is New Refrigerant R410A? Characteristics Checklist before Servicing Tubing Installation Procedures Tools Specifically for R410A Procedure for Replacing Compressor Case of Compressor Malfunction Never charge a large amount Unit. This may causeDamage to the compressor Amount in the charging cylinder is less than 20% Recharging Case Refrigerant is LeakingWelding leaking points When Tubes are Extended Charging Additional RefrigerantRetro-Fitting Existing Systems Use of Existing Units Appendix a Operating Instructions Operating Instructions Split System Air Conditioner Features ContentsSafety Precautions Product Information Electrical Requirements Installation LocationSafety Instructions Page Outdoor Unit Names of PartsIndoor Unit Quiet lamp Green and FAN green modeUnit Display and Operation Button Remote Controller Display Remote Controller Hour OFF TimerOn Time OFF Time Temp DRYCool FAN Using the Remote Controller How to Install BatteriesACL button ALL Clear Use a thin object such as the tip of a pen to press To take out the remote controller, pull it forward Receiver which could block the signalRear Side Hole Controller Operation with the Remote Controller Step Operation with the Remote Controller Press the ON/OFF operation button Night Setback Mode Quiet Mode Clicking sound is heard from the air conditioner Power failure during operationSpecial Remarks Operation Indication Setting the TimerExample To set to 1030 pm How to set the on time Example To start operation at 710 am To cancel a timer program Press the Cancel button1030 pm 710 am 1100 am OFF Using the 1-HOUR OFF Timer Setting procedureCancellation procedure Operation together with the Daily ON/OFF Repeat Timer Adjusting the Airflow Direction Cool Sweep DRY FAN Operation Without the Remote Controller Care and CleaningWhen the air conditioner is not running Cyclically Cooling operation Stop How to remove the filter 1. Grasp both ends of the air Groove Pin Air intake grille Wired Remote Controller Washing the grille with water Trouble Possible Cause Remedy Troubleshooting Before Calling for ServiceOperating Range Specifications CU-KS18NKU, CU-KS18NKUA CS-KS18NKU 852-6-4190-576-00-0 Installation Instructions Split System Air Conditioner Contents Please Read Before Starting Fins of the outdoor unit. You may get injured Accidentally Tools Required for Installation not supplied Accessories Supplied with Unit TableGeneral Optional Copper Tubing Kit Avoid Installation Site SelectionAdditional Materials Required for Installation About Front Back Baffle Plate for the Outdoor Unit CU-KSxxNKUA models only Air Intake Baffle Air Discharge Baffle Precautions for installation How to Install the Indoor Unit Trical wiring or conduits areRemove the Rear Panel from the Unit Make a Hole If Block, Brick, Concrete or Similar Type Wall Install the Rear Panel on the WallIf Wooden Wall How to replace the grille Remove the Grille to Install the Indoor UnitHow to remove the grille Wiring Instructions General precautions on wiring Shape the Indoor Side Tubing Recommended Wire Length and Diameter Wiring System Diagram Wiring Instructions for Inter-unit Connections For stranded wiring How to connect wiring to the terminal For Indoor UnitFor Outdoor Unit For solid core wiring or F-cable Mounting Right-side tubing Drain cap Switching drain hose and drain cap Left-side tubing Do not supply power to Tubing and wiring to the outTo unmount indoor unit Unit or operate it until all Wiring Instructions for the Outdoor Unit How to Install the Outdoor UnitFirst refer to . Installation Site Selection Use of the Flaring Method Flaring Procedure with a Flare ToolRefrigerant Tubing Connecting Tubing between Indoor and Outdoor Units Finishing the InstallationInsulation of Refrigerant Tubing To prevent heat loss and wet floors due to dripping of con Air Purging Air Purging with a Vacuum Pump for Test RunTem. The valve core is similar to Those used in automobile tiresPage How to Test Run the Air Conditioner Basic Functions of the Service Valves Basic functions of the service valves are given in belowWhen opening or closing the service valve stem External diameter of service port R410A 5/16 Mounting on a Wall Service Valve ConnectionsRemote Controller Installation Position Address Switch Address Setting of the Remote ControllerPage DC1111-0