Installing The Outdoor Unit In Cold Region; Cautions Regarding Installing The Frame And Selecting The Base Ground - Samsung DVM S Series Installation Manual

Installing the outdoor unit in cold region

In cold regions with lots of snowfall, install a snow prevention duct, as a sufficient countermeasure, to prevent snow from
accumulating on the outdoor unit. When the snow prevention duct is not installed, frost may accumulate on the heat
exchanger and heating operation may not work normally.
Air outlet of the duct should not be directed to the enclosed space.
Cautions regarding on installing the frame and selecting the base ground
• Height (h) of the frame and the base ground should be higher than the "heaviest expected snowfall".
CAUTION
• Area of the frame and the base ground should not be larger than the are of the outdoor unit. Snow may
accumulate if the area of the frame or the base ground is larger.
• Should adopt bar type louver. Don't use a type of rain resistance louver.
[Bar type louver]
WARNING
• Louver specifications.
- Angle criteria : less than 20˚
- Opening ratio criteria : greater than 80%
[Rain resistance louver]
29