Table Of Contents - Delta 21UT024C24 Instruction Manual

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 .......................................................... 3
3.3 Connection Pipe Requirement ................................................................... 5
3.4 Electrical Requirement ............................................................................... 5
4 Installation of the Unit ...................................................................................... 7
4.1 Installation of the Indoor Unit ...................................................................... 7
4.2 Installation of the Outdoor Unit ................................................................... 9
4.3 Matters need Attention ............................................................................. 10
4.4 Installation of the Connection Pipe ........................................................... 10
4.5 Vacuum and Gas Leakage Inspection ...................................................... 14
4.6 Installation of the Drain Pipe .................................................................... 16
4.7 Electrical Wiring ........................................................................................ 18
5 Installation of Controllers ............................................................................... 22
5.1 Installation of Controllers Mainbord Code Setting: .................................. 22
6 Test Running .................................................................................................. 23
6.1 Trial Operation and Testing ...................................................................... 23
6.2 Working Temperature Range .................................................................... 25
7 Troubleshooting and Maintenance ................................................................ 26
7.1 Troubleshooting ........................................................................................ 26
7.2 Routine Maintenance ............................................................................... 27
CONTENTS