You can install the unit in room A.
No
Yes
Go to PATTERN 2
1a
A
See table 1:
Is the floor area of room A
(A
roomA
) large enough for the given
refrigerant charge and the given
release height?
START PATTERN 1
PATTERN 2: Conditions ventilation openings
If you want to take advantage of the floor area of the adjacent room, you must provide 2 openings (one at the bottom, one at the top) between the rooms to
ensure natural ventilation. The openings must comply with the following conditions:
▪ Bottom opening (A
nv
):
▪ Must be a permanent opening that cannot be closed.
▪ Must be completely located between 0 and 300 mm from the floor.
▪ Must be ≥A
nv-min
(minimum bottom opening area).
▪ ≥50% of the required opening area A
nv-min
must be ≤200 mm from the floor.
▪ The bottom of the opening must be ≤100 mm from the floor.
▪ If the opening starts from the floor, the height of the opening must be ≥20 mm.
▪ Top opening:
▪ Must be a permanent opening that cannot be closed.
▪ Must be ≥50% of A
nv-min
(minimum bottom opening area).
▪ Must be ≥1.5 m from the floor.
A B
A
nv
(≥A
nv-min
)
Min. 50%
of A
nv-min
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