Installation Patterns - Daikin Altherma 3 R ECH2O EHSHB-E Series Installation Manual

4 Unit installation
4.1.3

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:
Total refrigerant charge in the system
<1.84 kg (i.e. if the piping length is <27 m)
≥1.84 kg (i.e. if the piping length is ≥27 m)
Ventilation openings
Minimum floor area
Restrictions
A
Room A (= room where indoor unit is installed)
B
Room B (= adjacent room)
PATTERN 1
For PATTERN 1 you only need to comply with the spacing guidelines described in
PATTERN 2 and 3
For PATTERN 2 and 3, additionally to the spacing guidelines described in
need to comply with the minimum floor area requirements as described in the following flow chart. The flow chart uses the following tables:
"10.3 Table 1 – Maximum refrigerant charge allowed in a room: indoor
"10.5 Table 3 – Minimum bottom opening area for natural ventilation: indoor
INFORMATION
Multiple indoor units. If two or more indoor units are
installed in a room, you must consider the maximum
refrigerant charge that can be released in the room when a
SINGLE leak occurs. Example: If two indoor units are
installed in the room, each with its own outdoor unit, then
you have to consider the refrigerant charge of the largest
indoor-outdoor combination.
Installation manual
8
If...
Room type
Living room, kitchen, garage, attic, basement,
storage room
Technical room (i.e. room that is NEVER
occupied by persons)
PATTERN 1
A A
N/A
N/A
1" [ 4 8]
See "PATTERN
All
(2, 3 and 4 are superfluous. There is no need
to check the minimum floor area or to provide
PATTERN 2 PATTERN 3
A
N/A Between room A and B
Room A Room A + Room B
3" [ 4 8]
See "PATTERN 2 and
a1 Bottom opening for natural ventilation
a2 Top opening for natural ventilation
"4.1.1 Installation site requirements of the indoor
"4.1.1 Installation site requirements of the indoor
unit" [ 4 46],
"10.4 Table 2 – Minimum floor area: indoor
unit" [ 4 46].
Then...
Allowed patterns
1
ventilation openings.)
2, 3
2, 3, 4
PATTERN 4
B A
a2
a2
a1
a1
Between room A and
outside
N/A
4" [ 4 10]
See "PATTERN
unit" [ 4 6].
unit" [ 4 6], you also
unit" [ 4 46] and
EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678717-1 – 2021.11