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Release height (m)
2.45
2.65
PATTERN 3
EKHWET90+120B
R32 Split series – Domestic hot water tank
4P680077-1A – 2022.11
A
(dm²) – In case of Refrigerant charge=2.6 kg
nv-min
2,00
4,00
3,0
0,7
2,7
0,4
PATTERN 3 is only allowed for installations in technical rooms (i.e. room that is
NEVER occupied by persons). For this pattern there are no requirements to the
minimum floor area if you provide 2 openings (one at the bottom, one at the top)
between the room and the outside to ensure natural ventilation. The room must
be protected from frost.
a2
Min. 50% of A
nv-min
a1
A nv (≥A
)
nv-min
A
Unoccupied room where the indoor unit is installed.
Must be protected from frost.
a1
A
: Bottom opening for natural ventilation between the unoccupied
nv
room and the outside.
▪
Must be a permanent opening that cannot be closed.
▪
Must be above ground level.
▪
Must be completely located between 0 and 300 mm from the floor of
the unoccupied room.
▪
Must be ≥A
table below).
▪
≥50% of the required opening area A
floor of the unoccupied room.
▪
The bottom of the opening must be ≤100 mm from the floor of the
unoccupied room.
▪
If the opening starts from the floor, the height of the opening must be
≥20 mm.
a2
Top opening for natural ventilation between room A and the outside.
▪
Must be a permanent opening that cannot be closed.
▪
Must be ≥50% of A
the table below).
▪
Must be ≥1.5 m from the floor of the unoccupied room.
Floor area of room A (m²) [! NOT room A + room B !]
6,00
8,00
(*)
(*)
(*)
(*)
A
(minimum bottom opening area as specified in the
nv-min
(minimum bottom opening area as specified in
nv-min
7
Unit installation
|
10,00
12,00
(*)
(*)
(*)
(*)
must be ≤200 mm from the
nv-min
Installer reference guide
14,00
(*)
(*)
35
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