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INSTALLATION INSTRUCTIONS 1. GENERAL ... 3 1-1. Tools Required for Installation (not supplied) 1-2. Accessories Supplied with Unit 1-3. Optional Copper Tubing Kit 1-4. Type of Copper Tube and Insulation Material 1-5. Additional Materials Required for Installation 2. INSTALLATION SITE SELECTION ... 4 2-1. Indoor Unit 2-2. Outdoor Unit 3. HOW TO INSTALL THE INDOOR UNIT ... 12 3-1. Remove the Rear Panel from the Unit 3-2. Make a Hole 3-3. Install the Rear Panel on the Wall 3-4. Removing and Installing the Grille 3-5. Shape the Indoor Side Tubing 3-6. Wiring Instructions 3-7. Wire Size and Length 3-8. Wiring Instructions for Inter-unit Connections 3-9. Mounting 3-10. Frame Fastening Method 3-11. Drain Hose 4. HOW TO INSTALL THE OUTDOOR UNIT ... 22 4-1. Wiring Instructions for the Outdoor Unit 4-2. Routing the Tubing and Wiring 5. REFRIGERANT TUBING ... 23 5-1. Use of the Flaring Method 5-2. Flaring Procedure with a Flare Tool 5-3. Caution before Connecting Tubes Tightly 5-4. Connecting Tubing between Indoor and Outdoor Units 5-5. Insulation of Refrigerant Tubing 5-6. Taping the Tubes 5-7. Finishing the Installation 6. AIR PURGING ... 25 ■ Air Purging with a Vacuum Pump (for Test Run) ■ Basic Functions of the Service Valves ■ Pump Down ■ Service Valve Connections 7. REMOTE CONTROL UNIT INSTALLATION POSITION ... 29 7-1. Mounting on a Wall 8. ADDRESS SWITCH ... 30 8-1. Address Setting of the Remote Control Unit