Carrier XCT7 Installations- Und Benutzerhandbuch Seite 24

Installation Procedure
Allowable piping length and drop between indoor and outdoor
1. Pipe length between the outdoors
1. L1:510m; L2:51Om; L3:510m; L4:51Om; L5:510m; L6:510m; L1+L3+L5:510m.
2. Height difference between the outdoors: h:55m.
3. The piping connecting to the outdoor unit must be placed horizontally or in accordance with the installation at a certain angle
(level angle less than 15 degrees). Connection with a concave is not allowed.
4. Any piping cannot be connected to the outdoor unit if it is higher than the height of the machine outlet (valve interface part).
Proper installation
Proper installation
Outdoor
The lubricating oil will accumulate in the lowest
17
outdoor gather pipe
Wrong installation
outdoor unit
Proper installation