5IMPORTANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Please Read Before StartingCheck of Density Limit1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-1. Tools Required for Installation (not supplied)1-2. Type of Copper Tube and Insulation Material1-3. Additional Materials Required for Installation2. SELECTING THE INSTALLATION SITE . . . . . . . . . . . . . . 62-1. Indoor Unit3. HOW TO INSTALL THE INDOOR UNIT. . . . . . . . . . . . . . . 7■ Air Curtain (EAIRC-MJ, EAIRC-MS Types) . . . . . . . . . . . . . 73-1. Dimensions and Required Minimum Space forInstallation and Service (EAIRC-MJ Type)3-2. Dimensions and Required Minimum Space forInstallation and Service (EAIRC-MS Type)3-3. Suspending the Indoor Unit■ RAP Valve Kit (Refrigenrant Accumulation Protector ValveKit) (CZ-P160RVK2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93-4. Installing the RAP Valve Kit■ Solenoid Valve Kit for 3-pipe ECOi systems (CZ-P160HR3)for R410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103-5. Installing the Solenoid Valve Kit (SVK)3-6. Installing the Refrigerant Tubing4. ELECTRICAL WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . 134-1. General Precautions on Wiring4-2. Recommended Wire Length and WireDiameter for Power Supply System4-3. Wiring System Diagrams5. HOW TO PROCESS TUBING . . . . . . . . . . . . . . . . . . . . . 185-1. Connecting the Refrigerant Tubing5-2. Connecting Tubing Between Indoor andOutdoor Units5-3. Insulating the Refrigerant Tubing5-4. Taping the Tubes5-5. Finishing the Installation6. HOW TO INSTALL THE TIMER REMOTE CONTROLLER(OPTIONAL PART) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20NOTERefer to the Operating Instructions attached to the optionalTimer Remote Control Unit.7. HOW TO INSTALL WIRELESS REMOTECONTROLLER RECEIVER . . . . . . . . . . . . . . . . . . . . . . . 20NOTERefer to the Operating Instructions attached to the optionalWireless Remote Controller Receiver.8 HOW TO PREPARE THE SYSTEM FOR OPERATION . 20■ ECOi series units■ ECO G series units9 APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22■ Care and Cleaning■ Troubleshooting■ Tips for Energy Saving■ Technical DataPageCONTENTS