4 Unit installation
Installation manual
7
EL23E
Daikin Altherma 3 R MT F
4P708476-1 – 2023.03
Minimum floor area / Release height:
▪ The minimum floor area requirements depend on the release
height of the refrigerant in case of a leakage. The higher the
release height, the lower the minimum floor area requirements.
▪ The default point of release (without chimney) is at the top of the
unit. To decrease the minimum floor area requirements, you can
increase the release height by installing a chimney. If the chimney
leads outside of the building, there are no requirements anymore
to the minimum floor area.
▪ You can also take advantage of the floor area of the adjacent
room (= room B) by providing ventilation openings between the
two rooms.
▪ For installations in technical rooms (i.e. room that is NEVER
occupied by persons), additionally to patterns 1, 2 and 3, you can
also use
PATTERN
4
. 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.
WARNING
Chimney connection.
When connecting a chimney, take
the following into account:
▪ Unit's connection point for the chimney = 1" male
thread. Use a compatible counterpart for the chimney.
▪ Make sure the connection is airtight.
▪ The chimney material is unimportant.
PATTERN 1
You can install the unit in room A. You do not need a chimney.
See table 2:
Look up the minimum release height (
H0
) for the
given floor area (
A
roomA
) and the given refrigerant charge.
No
Calculate
ΔH0:
difference between the minimum release height
required (
H0
) and the release height without chimney.
No
Yes
Yes
Go to PATTERN 2
H0, ΔH0
1a
A
You can install the unit in room A if you install a chimney.
Chimney height =
ΔH
0
1b
ΔH0
A
See table 3:
For ΔH0
: Can the maximum
chimney length be respected, and is the
chimney practically feasible?
See table 1:
Is the floor area of room A
(
A
roomA
) large enough for the given
refrigerant charge and the given release height
without chimney?
START PATTERN 1
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