Carrier XCT7 Installations- Und Benutzerhandbuch Seite 19

Installation Procedures
8. Refrigerant Tube
Piping Permissible Length & Height Difference
Please refer to the attached manual of outdoor units
Piping Materials & Heat Insulating Materials
So as to prevent condensation, heat insulating treatment should be performed. The heat insulating treatment for gas
and liquid piping should be carried out respectively.
Piping Material
Heat Insulating Material
exhaust fan
example of bad installation
Vesicant polythene thickness: over 7mm
12
Hard PVC tube VP31.5mm(inner bore)