Daikin Altherma ERGA04E V3 Series - Installation Patterns

7 | Unit installation
Installer reference guide
66
ERGA04~08E + EHVH04+08SU18+23E
Daikin Altherma 3 R F
4P629090-1C – 2022.08
NOTICE
▪ Do NOT re-use joints and copper gaskets which have been used already.
▪ Joints made in installation between parts of refrigerant system shall be accessible
for maintenance purposes.
WARNING
Make sure installation, servicing, maintenance and repair comply with instructions
from Daikin and with applicable legislation and are executed ONLY by authorised
persons.
NOTICE
▪ Protect pipework from physical damage.
▪ Keep the pipework installation to a minimum.
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