7
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Unit installation
Installer reference guide
57
ERRA08~12E + EL23E
Daikin Altherma 3 R MT F
4P708478-1 – 2023.05
7.1.5 Installation patterns
WARNING
For units using the R32 refrigerant it is necessary to keep any required ventilation
openings and chimneys clear of obstructions.
Depending on the type of room in which you install the indoor unit, different installation patterns are allowed:
Room type
Allowed patterns
Living room, kitchen, garage, attic, basement, storage
room
1, 2, 3
Technical room (i.e. room that is NEVER occupied by
persons)
1, 2, 3, 4
PATTERN 1
PATTERN 2
PATTERN 3
PATTERN 4
a
b
a
b
H
release
H
release
1a
b
A
1b
H
release
H
release
2a
b
c2
c1
A
B
2b
A
b
3a
c2
c1
A
Ventilation openings
N/A
Between room A
and B
N/A
Between room A
and outside
Minimum floor area
Room A
Room A + Room B
N/A
N/A
Chimney
Might be needed
Might be needed
Connected to
outside
N/A
Release in case of
refrigerant leakage
Inside room A
Inside room A
Outside
Inside room A
Restrictions
See
59],
61], and
"Tables for PATTERN 1, 2 and 3"
See
A
Room A (= room where indoor unit is installed)
B
Room B (= adjacent room)
a
If no chimney is installed, this is the default point of release in case of
refrigerant leakage.
If needed, you can connect a chimney here.
b
Chimney
c1
Bottom opening for natural ventilation
c2
Top opening for natural ventilation