4-58
VRF SYSTEMS Indoor Unit Specifi cations
3. 4-Way Cassette 60×60 Type (Y2 Type)
Strong
Weak
Both 50Hz and 60Hz
3-4. Noise Criterion Curves
MODEL
:
:
:
S-22MY2E5A
MODEL S-28MY2E5A
SOUND LEVEL
WEAK
CONDITION
60
50
40
30
20
10
STRONG
25 dB(A)
WEAK 25 dB(A)
35 dB(A)
:
SOUND LEVEL STRONG 35 dB(A)
:
:
SOUND LEVEL
WEAK
STRONG
25 dB(A)
WEAK 25 dB(A)
35 dB(A)
:SOUND LEVEL STRONG 35 dB(A)
Frequency at center of sound pressure band (Hz)
Frequency at center of sound pressure band (Hz)
Overall
Overall
Sound pressure level (dB)
Sound pressure level (dB)
(0dB = 0.0002µbar)
Sound pressure level (dB)
(0dB = 0.0002µbar)
(0dB = 0.0002µbar)
1.5 m directly below unit
MODEL
:MODEL
:
S-22MY2E5A
CONDITION
Frequency at center of sound pressure band (Hz)
Frequency at center of sound pressure band (Hz)
Overall
)Bd( level erusserp dnuoS)Bd
(
level erusse
r
p dn
u
oS
)rabµ2000.0 = Bd0()rabµ2000.0 = Bd0(
1.5 m directly below unit
:
:
CONDITION
1.5 m directly below unit
Frequency at center of sound pressure band (Hz)
Overall
:
S-28MY2E5A
CONDITION
1.5 m directly below unit
Sound pressure level (dB)
(0dB = 0.0002µbar)
Frequency at center of sound pressure band (Hz)
NC-60
NC-50
NC-40
NC-30
NC-20
Approximate
minimum audible
limit for
continuous noise
Cooling Heating
MODEL
:
:
:
S-15MY2E5A
SOUND LEVEL
WEAK
CONDITION
STRONG
25 dB(A)
:)A(Bd 43
:
SOUND LEVEL
WEAK
STRONG
25 dB(A)
34 dB(A)
1.5 m directly below unit
MODEL
:
S-15MY2E5A
CONDITION
1.5 m directly below unit
Cooling
Heating
Cooling Heating
10
20
30
40
50
60
NC-60
NC-50
NC-40
NC-30
NC-20
10
20
30
40
50
60
NC-60
NC-50
NC-40
NC-30
NC-20
10
20
30
40
50
60
NC-60
NC-50
NC-40
NC-30
NC-20
10
20
30
40
50
60
63 125 250 500 1000 2000 4000 8000
63 125 250 500 1000 2000 4000 8000
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
Approximate
minimum audible
limit for
continuous noise
10
20
30
40
50
60
63 125 250 500 1000 2000 4000 8000
63 125 250 500 1000 2000 4000 8000
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
Approximate
minimum audible
limit for
continuous noise
Approximate
minimum audible
limit for
continuous noise
Approximate
minimum audible
limit for
continuous noise
Approximate
minimum audible
limit for
continuous noise
TD831172-00VRFSYSINDOOR.indb58TD831172-00VRFSYSINDOOR.indb58 2014/04/2416:49:212014/04/2416:49:21