Contents
Alert Symbols.............................................................................................................................................1
Caution Statements ...................................................................................................................................2
Composition of the Air-Conditioner............................................................................................................3
Operation Manual
Special Remarks ......................................................................................................................................5
Trouble Shooting.......................................................................................................................................5
Diagram of Refrigerant Cycle & Wiring
1. Refrigerant Flow Diagram......................................................................................................................7
2. Electrical Wiring Diagram ......................................................................................................................7
Installation and Maintenance
1. Safety Notice .........................................................................................................................................8
2. The Tools and Instruments for Installation .............................................................................................9
3. The Installation of the Indoor Unit..........................................................................................................9
3.1 Before Installation ...........................................................................................................................9
3.2 Installation Location ......................................................................................................................11
3.3 Installation.....................................................................................................................................11
4. Refrigerant Piping................................................................................................................................14
4.1 The Pipe Material..........................................................................................................................14
4.2 Piping Connection.........................................................................................................................14
5. Drain Piping .........................................................................................................................................15
6. Electrical Wiring...................................................................................................................................16
7. Attaching the Air Return Grille................................................................................................................16
8. The Installation of the Outdoor Unit.....................................................................................................17
8.1 Installation Sites............................................................................................................................17
8.2 Installation of the Outdoor Unit .....................................................................................................17
9. Refrigerant piping ................................................................................................................................18
9.1 Flaring with Pipe Expander...........................................................................................................18
9.2 Connecting piping between Indoor and Outdoor Units..................................................................18
9.3 Heat Insulation of the Refrigerant Pipe.........................................................................................18
9.4 Sealing the Piping.........................................................................................................................18
9.5 Finishing the Installation ...............................................................................................................18
10. Vacuuming and Test Run...................................................................................................................18
10.1 Vacuuming with a Vacuum Pump ...............................................................................................18
10.2 Leak Test .....................................................................................................................................19
10.3 Cleaning the Piping ....................................................................................................................19
10.4 Test Run......................................................................................................................................19
10.5 Electrical Installation...................................................................................................................20