11.2. TOOLS FOR INSTALLING/SERVICING REFRIGERANTPIPING 5411.3. REFRIGERANT PIPING WORK 5811.4. INSTALLATION, TRANSFERRING, SERVICING 6012 Servicing Information 6412.1. Indoor Electronic Controllers Removal Procedures 6412.2. Cross Flow Fan Indoor and Fan Motor RemovalProcedures 6513 Troubleshooting Guide 6813.1. Refrigeration cycle system 6814 Technical Data 7015 Exploded View 7416 Replacement Parts List 7517 Exploded View 7618 Replacement Parts List 77•••• High Efficiency•••• Compact Design•••• Comfort Environment−−−− Ionizer control for generate negative ion in discharge air−−−− Air filter with function to reduce dust and smoke−−−− Wider range of horizontal discharge air−−−− New Automatic air swing and manual adjusted byremote control for horizontal airflow.•••• Auto Restart−−−− Random auto restart after power failure for safety restartoperation•••• Removable and Washable Front Panel•••• Remote Control Self-illuminating Button•••• Catechin Air Purifying Filter−−−− Trap dust, tobacco smoke and tiny particles−−−− Prevent the growth of bacteria and viruses trapped•••• Triple Deodorizing Filter−−−− Absorb odours produced by wall paper, constructionmaterial and living environment19 Electronic Circuit Diagram 7819.1. REMOTE CONTROL8419.2. PRINT PATTERNINDOOR UNIT PRINTED CIRCUITBOARDTOP VIEW 8519.3. PRINT PATTERNINDOOR UNIT PRINTED CIRCUITBOARDBOTTOM VIEW 8619.4. PRINT PATTERNOUTDOOR UNIT PRINTED CIRCUITBOARD87•••• Quality Improvement−−−− Gas leakage protection−−−− Prevent compressor reverse cycle−−−− Inner protector−−−− Noise prevention during soft dry operation.−−−− Anti-dew Formation Control (Cooling & Soft Dry)−−−− Overload Protection Control (Heating)−−−− Outdoor Fan Control−−−− Compressor High Pressure Control−−−− Blue Coated Condenser−−−− High resistance to corrosion.•••• Operation Improvement−−−− Quiet mode to provide quiet operation−−−− Powerful mode to reach the desired room temperaturequickly•••• Long Installation Piping−−−− Long piping up to 25 meter•••• 24-hour Timer Setting•••• Environmental Friendly−−−− R410A, which does not contain chlorine, is used as itsrefrigerant, so there is no danger of damage to theozone layer in stratosphere.1 Features2CS-W18CKE CU-W18CKE / CS-W24CKE CU-W24CKE