Installation Guide
Table Of Contents
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Contents
Safety Precautions .............................................................................................................. 5
Installation of ODU .............................................................................................................. 6
Dimension ....................................................................................................................................... 8
Installation space ......................................................................................................... 10
Handling ........................................................................................................................................ 14
Placement ...................................................................................................................... 13
Installation of Refrigerant Piping ..................................................................................... 15
Precautions for the installation of piping: ...................................................................... 16
The choice of the refrigerant pipe diameter .................................................................. 20
Installation of branch pipes .......................................................................................... 21
Refrigerant piping length .............................................................................................. 25
Air Tightness Test, Vacuuming and Supplementing Refrigerant .................................. 26
Air tightness test .......................................................................................................... 26
Vacuumizing: ............................................................................................................... 26
Supplementing refrigerant ............................................................................................ 28
Electric Control Installation .............................................................................................. 29
Wiring cautions ............................................................................................................ 29
Wiring specifications .................................................................................................... 30
Electrical wiring ............................................................................................................ 31
Communication wiring .................................................................................................. 31
ODU Control Panel ............................................................................................................ 33
Code settings ............................................................................................................... 33
Settings of relevant keys .............................................................................................. 36
Digital display ............................................................................................................... 38
Trial Operation .................................................................................................................. 40
Before trial operation .................................................................................................... 40
Trial operation .............................................................................................................. 40
Trial operation check .................................................................................................... 41
Description of Hazardous Substances ............................................................................ 42