1 Safety Precautions 32 Specification 52.1. CS-E18EKK CU-E18EKK 52.2. CS-E21EKK CU-E21EKK 73 Location of controls and components 93.1. Indoor Unit 93.2. Outdoor Unit 93.3. Remote Control 94 Dimension 104.1. Indoor Unit & Remote Control 104.2. Outdoor Unit 115 Refrigeration Cycle Diagram 126 Block Diagram 137 Wiring Diagram 147.1. CS-E18EKK CS-E21EKK 147.2. CU-E18EKK CU-E21EKK 15© 2005 Panasonic HA Air-Conditioning (M) Sdn Bhd(11969-T). All rights reserved. Unauthorized copyingand distribution is a violation of law.CS-E18EKK CU-E18EKKCS-E21EKK CU-E21EKK8 Printed Circuit Board 168.1. Indoor Unit 168.2. Outdoor Unit 179 Installation Instructions 189.1. Select The Best Location 189.2. Indoor Unit 199.3. Outdoor Unit 2310 Operation And Control 2610.1. Basic Function 2610.2. Protection Control 3111 Servicing Mode 3311.1. Auto Switch Operation 3311.2. Indicator Panel 3312 Troubleshooting Guide 3412.1. Refrigeration Cycle System 34Air ConditionerCONTENTSPage PageOrder No: MAC0512116C1