Daikin Altherma 3 R W Installation Manual page 8

4 Unit installation
Start
Input from installer:
▪ Total refrigerant charge (m ) (kg)
c
▪ Installation height (H) (m)
▪ Area of room A (A ) (m )
2
room A
Use table 1 in chapter "Technical data" to
calculate the maximum refrigerant charge
(m ) (kg) allowed for room A.
max
m ≥m ?
max c
Yes
The unit can be installed in room A at the
specified installation height, and without
further room size or ventilation requirements.
Unit can be installed in room A if you provide 2 openings (one at the bottom, one at the top) between room A and B to ensure natural ventilation. The openings
must comply with the following conditions:
▪ Bottom opening (A ):
nv
▪ Must be a permanent opening that cannot be closed.
▪ Must be completely located between 0 and 300 mm from the floor.
▪ Must be ≥A (minimum bottom opening area).
nv-min
▪ ≥50% of the required opening area A
▪ The bottom of the opening must be ≤100 mm from the floor.
▪ If the opening starts from the floor, the height of the opening must be ≥20 mm.
▪ Top opening:
▪ Must be a permanent opening that cannot be closed.
▪ Must be ≥50% of A (minimum bottom opening area).
nv-min
▪ Must be ≥1.5 m from the floor.
Installation manual
8
Input from installer:
▪ Area of adjacent room B (A
Use table 2 in chapter "Technical data" to
calculate the total minimum floor area
(A ) (m ) required for the total refrigerant
2
min total
charge (m ) at the selected installation height
c
(H).
A
min total
No
Determine the refrigerant amount that exceeds
m (dm) (kg). (dm=m
max
Use table 3 in chapter "Technical data" and
dm to calculate the minimum bottom opening
area for natural ventilation between room A
and room B (A
nv-min
must be ≤200 mm from the floor.
nv-min
) (m )
2
room B
No
≤A +A ?
room A room B
Yes
–m )
c max
) (cm ).
2
Contact your dealer.
A
Min. 50%
of A
nv-min
A (≥A
nv
EHBH/X04+08EF
Daikin Altherma 3 R W
4P642727-1A – 2021.11
B
)
nv-min