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Unit installation
Installer reference guide
72
ERGA04~V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1A – 2022.07
7.1.5 Installation patterns
Depending on the total refrigerant charge in the system and the type of room in which you install the indoor unit,
different installation patterns are allowed:
If…
Then…
Total refrigerant charge in the
system
Room type
Allowed patterns
<1.84 kg (i.e. if the piping length is
<27 m)
All
1
(2, 3 and 4 are superfluous. There is
no need to check the minimum floor
area or to provide ventilation
openings.)
≥1.84 kg (i.e. if the piping length is
≥27 m)
Living room, kitchen, garage, attic,
basement, storage room
2, 3
Technical room (i.e. room that is
NEVER occupied by persons)
2, 3, 4
PATTERN 1
PATTERN 2
PATTERN 3
PATTERN 4
A
A
a2
a1
A
B
a2
a1
A
Ventilation openings
N/A
N/A
Between room A
and B
Between room A
and outside
Minimum floor area
N/A
Room A
Room A + Room B
N/A
Restrictions
See
See
73], and
A
Room A (= room where indoor unit is installed)
B
Room B (= adjacent room)
a1
Bottom opening for natural ventilation
a2
Top opening for natural ventilation
PATTERN 1
For PATTERN 1 you only need to comply with the spacing guidelines described in
