Samsung CNH 4DB Series Technical Data Book page 108

Installation
Minimum clearances for the outdoor unit
When installing 1 outdoor unit
11.81
(300)
or more
or more
11.81 (300)
or more
When installing more than 1 outdoor unit
59.06 (1500)
23.62 (600)
or more
or more
23.62 (600)
or more
23.62 (600)
or more
Unit : inch (mm)
78.74 (2000)
23.62
or more
(600)
Unit : inch (mm)
118.11 (3000) 118.11 (3000) 11.81 (300)
or more or more or more
23.62 (600)
or more
23.62 (600)
or more
11.81
23.62 (600)
(300) or more
or more
11.81 (300) or more
11.81 (300) or more
CAUTION
• The outdoor unit must be installed according to the
specified distances in order to permit accessibility
from each side, to guarantee correct operation,
maintenance, and repair of the unit.
The components of the outdoor unit must be
reachable and removable under safe conditions for
people and the unit.
WARNING
• Should adopt bar type louver. Don't use a type of rain
resistance louver.
[Bar type louver]
• Louver specifications.
– Angle criteria : less than 20°
– Opening ratio criteria : greater than 80%
23.62
23.62 (600)
or more (600)
or more
[Rain resistance louver]