Table of Contents
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1 Safety Precautions .......................................................................................... 1
2 Outline of the Unit and Main Parts................................................................... 2
3 Preparative for Installation ............................................................................... 3
3.1 Standard Accessory Parts .......................................................................... 3
3.2 Selection of the Installation Location .......................................................... 4
3.3 Connection Pipe Requirement ................................................................... 5
3.4 Electrical Requirement ............................................................................... 6
4 Installation of the Unit ...................................................................................... 7
4.1 Installation of the Indoor Unit ...................................................................... 7
4.2 Installation of the Outdoor Unit ................................................................. 11
4.3 Installation of the Connection Pipe ........................................................... 12
4.4 Vacuum and Gas Leakage Inspection ...................................................... 16
4.5 Installation of the Drain Hose ................................................................... 17
4.6 Installation of the Duct .............................................................................. 20
4.7 Electrical Wiring ........................................................................................ 23
5 Installation of Controllers ............................................................................... 28
6 Test Running .................................................................................................. 28
6.1 Trial Operation and Testing ....................................................................... 28
6.2.Working Temperature Range .................................................................... 29
7 Unit Function ................................................................................................. 30
7.1 Setting of Double Indoor Room Sensors .................................................. 30
7.2 Checking of Outdoor Ambient Temperature ............................................. 30
7.3 Fresh Air Control ...................................................................................... 31
8 Troubleshooting and Maintenance ................................................................ 32
8.1 Troubleshooting ........................................................................................ 32
8.2 Routine Maintenance ............................................................................... 32
Contents
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Table of Contents
