Input from installer:
▪ Total refrigerant charge (m
c
) (kg)
▪ Area of room A (A
room A
) (m
2
)
Start
Use table 1 in chapter "Technical data" to
calculate the maximum refrigerant charge
(m
max
) (kg) allowed for room A.
Contact your dealer.
Use table 3 in chapter "Technical data" and
dm to calculate the minimum bottom opening
area for natural ventilation between room A
and room B (A
nv-min
) (cm
2
).
The unit can be installed in room A, and
without further room size or ventilation
requirements.
Determine the refrigerant amount that exceeds
m
max
(dm) (kg). (dm=m
c
–m
max
)
m
max
≥m
c
?
Yes
No
No
Use table 2 in chapter "Technical data" to
calculate the total minimum floor area
(A
min total
) (m
2
) required for the total refrigerant
charge (m
c
).
A
min total
≤A
room A
+A
room B
?
Yes
Input from installer:
▪ Area of adjacent room B (A
room B
) (m
2
)
Unit can be installed in room A if you provide 2 openings (one at the bottom, one at the top) between room A and B 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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