Samsung Electronics DVM Series Technical Manual page 181

. Installation
1. Product
When the outdoor unit is placed lower than the outdoor wall.
a. The case of installing gallery
- Keep the intake fan speed under 5ft./s from the gallery.
- Make the height of discharge duct (HD) be H-h.
b. The case of not installing gallery
- Install an outdoor supporting unit 20~80" in height.
- Make the height of discharge duct (HD) be H-h'
Front
4 or 8 or 8 or 8 or 8 or
more more more more more
Front
4 or 8 or 8 or 8 or 8 or
more more more more more
8
Discharge duct
HD
H
Ve
h
40 or more
Supporting unit
Discharge duct
HD
H
h'
Supporting unit
20~40
Unit : inch