Figure 2-8.
4
: HTW-V12WD2N8 octave band levels
O
ct
av
e
ba
nd sou
nd
pr
e
ss
ur
e
le
ve
l (
dB
(A
)
Cooling in rated frequency
Outdoor air temperature 35⁰C
DB; EWT 12⁰C, LWT 7⁰C
Heating in rated frequency
Outdoor air temperature 7⁰C
DB, 85% R.H.; EWT 30⁰C, LWT
35⁰C.
Heating in rated frequency
Outdoor air temperature 7⁰C
DB, 85% R.H.; EWT 47⁰C, LWT
55⁰C.
NR-90
NR-80
NR-70
NR-60
NR-50
NR-40
NR-30
NR-20
NR-10
NR-0
Octave band center frequency (Hz)
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
31.5
63
125
250
500
1000
2000
4000
8000
[Octave band center frequency (Hz)]
NR-90
NR-80
NR-70
NR-60
NR-50
NR-40
NR-30
NR-20
NR-10
NR-0
[Octave band center frequency (Hz)]
NR-90
NR-80
NR-70
NR-60
NR-50
NR-40
NR-30
NR-20
NR-10
NR-0
46
Figure 2-8.7:
HTW
-V16WD2N8 octave band levels
O
ct
av
e
ba
nd sou
nd
pr
e
ss
ur
e
le
ve
l (
dB
(A
)
Cooling in rated frequency
Outdoor air temperature
35⁰C DB; EWT 12⁰C, LWT
7⁰C
Heating in rated frequency
Outdoor air temperature
7⁰C DB, 85% R.H.; EWT
30⁰C, LWT 35⁰C.
Heating in rated frequency
Outdoor air temperature
7⁰C DB, 85% R.H.; EWT
47⁰C, LWT 55⁰C.
NR-90
NR-80
NR-70
NR-60
NR-50
NR-40
NR-30
NR-20
NR-10
NR-0
Octave band center frequency (Hz)
-10
120
110
100
90
80
70
60
50
40
30
20
10
0
31.5
63
125
250
500
1000
2000
4000
8000
