39
ARTUS™ Technical Manual 9690348 v3_04_2020
Te
ch
nic
al
Caption
Max kW
each
Cooling
load
W/m2
Supply
airflow,
l/s
Calc NR
Finishes
Ceiling Sound
Insulation
Mid-frequency
reverberation
time
Residential
‘penthouse’,
living room, one
Artus per 24m²
1.16
97
65
NR 29
Floor: oak matt lacquered
engineered loose
carpet/mat. Plaster walls &
ceiling.
Solid
perforated
ceiling (Rw32)
1.3s
Residential
‘penthouse’,
bedroom, one
Artus per 14.2m²
1.15
81
64
NR 25
Floor: wool mix twist pile
carpet. Plaster walls &
ceiling.
Solid
perforated
ceiling (Rw32)
0.5s
Central London
Residential,
very quiet, living
room, one Artus
per 22m²
1.07
97
59
NR 28
Floor: oak matt lacquered
engineered loose
carpet/mat. Plaster walls &
ceiling.
Solid
perforated
ceiling (Rw32)
1.3s
Central London
Residential, very
quiet, bedroom,
one Artus per
12m²
0.97
81
54
NR 24
Floor: wool mix twist pile
carpet. Plaster walls &
ceiling.
Solid
perforated
ceiling (Rw32)
0.5s
Maximum Acoustic Criteria
The following criteria are taken from specifications for residential projects in London.
Project 1, London area: NR30 day, NR25 night.
Project 2, Central London: NR25 day.
Quick Selection - Section C - Acoustics
Residence / hotel - Living room / bedroom
Graph 15 - Residence / hotel - Living room / bedroom - Supply Airflow vs. Calculated Noise Rating
0
5
10
15
20
25
30
35
40
0
20
40
60
80
100
120
C
al
cu
lat
ed
N
R
Supply Airflow (l/s)
Central London
very quiet living
room, one Artus
per 22m²
"Penthouse" ,
living room, one
Artus per 24m²
Central London
very quiet,
bedroom, one
Artus per 12m²
"Penthouse",
bedroom, one
Artus per 14.2m²
Comfort
ARTUS™