4IMPORTANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Please Read Before Starting1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51-1. Tools Required for Installation (not supplied)1-2. Accessories Supplied with Unit1-3. Type of Copper Tube and Insulation Material1-4. Additional Materials Required for Installation2. SELECTING THE INSTALLATION SITE . . . . . . . . . . . . . . 62-1. Indoor Unit3. HOW TO INSTALL THE INDOOR UNIT . . . . . . . . . . . . . . . 7■ 4-Way Cassette Type (U1 Type) . . . . . . . . . . . . . . . . . . . . . 73-1. Preparation for Suspending3-2. Suspending the Indoor Unit3-3. Placing the Unit Inside the Ceiling3-4. How to Process Tubing3-5. Installing the Drain Pipe3-6. Important Note for Wiring 4-Way Cassette Type4. ELECTRICAL WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . 124-1. General Precautions on Wiring4-2. Recommended Wire Length and Wire Diameterfor Power Supply System4-3. Wiring System Diagrams5. HOW TO PROCESS TUBING . . . . . . . . . . . . . . . . . . . . . 165-1. 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 CONTROLLEROR HIGH-SPEC WIRED REMOTE CONTROLLER(OPTIONAL PART) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18NOTERefer to the Operating Instructions attached to the optionalTimer Remote Controller or optional High-spec Wired Re-mote Controller.7. HOW TO INSTALL THE CEILING PANEL . . . . . . . . . . . . . 18■ 4-Way Cassette Type (U1 Type) . . . . . . . . . . . . . . . . . . . . 187-1. Preparation for Ceiling Panel Installation7-2. How to Install the Ceiling Panel7-3. Others8. HOW TO INSTALL WIRELESS REMOTECONTROLLER RECEIVER . . . . . . . . . . . . . . . . . . . . . . . 23NOTERefer to the Operating Instructions attached to the optionalWireless Remote Controller Receiver.9. APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Care and CleaningTroubleshootingTips for Energy SavingIMPORTANT INFORMATION REGARDING THEREFRIGERANT USED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Page PageCONTENTSAMP Air Conditioningwww.ampair.co.uk | sales@ampair.co.uk