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Unit installation
PATTERN 1
START PATTERN 1
Is the floor area of room A
(A
) large enough for the given
roomA
refrigerant charge and the given release height
without chimney?
H0, ΔH0
See table 2: Look up the minimum release height (H0) for the
given floor area (A
) and the given refrigerant charge.
roomA
Calculate ΔH0: difference between the minimum release height
required (H0) and the release height without chimney.
For ΔH0: Can the maximum
chimney length be respected, and is the
chimney practically feasible?
Go to PATTERN 2
PATTERN 2
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
(minimum bottom opening area).
nv-min
▪ ≥50% of the required opening area A
▪ 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
(minimum bottom opening area).
nv-min
▪ Must be ≥1.5 m from the floor.
Installer reference guide
70
See table 1:
No
See table 3:
No
must be ≤200 mm from the floor.
nv-min
1a
You can install the unit in room A. You do not need a chimney.
Yes
1b
You can install the unit in room A if you install a chimney.
Chimney height = ΔH0
Yes
A
A
ΔH0
A
ERLA11~16D + EBVH/X11+16S18+23D
B
Min. 50%
of A
nv-min
A
(≥A
)
nv
nv-min
Daikin Altherma 3 R F
4P643602-1B – 2022.05
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