37
8
• Split Sky Air • Outdoor Units
27
• Outdoor Units • R-410A • REQ-B7
8
Sound data
8 - 1
Sound pressure spectrum
3TW26597-1
Sound
pressure
level
(dB)
Octave band center frequency (Hz)
REQ71B7 - Cooling
NOTES
1
Data is valid at free field condition
2
Data is valid at nominal operation condition
3
dB(A) = A-weighted sound pressure level (A-scale
according to IEC)
4
Reference acoustic pressure 0dB = 20
μ
Pa
5
Curve for REQ71B7 in cooling mode
Measuring location
(discharge side)
3TW26597-2
Sound
pressure
level
(dB)
Octave band center frequency (Hz)
REQ71B7 - Heating
NOTES
1
Data is valid at free field condition
2
Data is valid at nominal operation condition
3
dB(A) = A-weighted sound pressure level (A-scale
according to IEC)
4
Reference acoustic pressure 0dB = 20
μ
Pa
5
Curve for REQ71B7 in heating mode
Measuring location
(discharge side)
3TW26617-2
Sound
pressure
level
[dB(A)]
Octave band center frequency (Hz)
NOTES
1
Data is valid at free field condition
2
Data is valid at nominal operation condition
3
dB(A) = A-weighted sound pressure level (A-scale
according to IEC)
4
Reference acoustic pressure 0dB = 20
μ
Pa
5
Curve for REQ100B7 in heating mode
REQ100B7 - Heating
Measuring location
(discharge side)
3TW26617-1
Sound
pressure
level
[dB(A)]
Octave band center frequency (Hz)
REQ100B7 - Cooling
NOTES
1
Data is valid at free field condition
2
Data is valid at nominal operation condition
3
dB(A) = A-weighted sound pressure level (A-scale
according to IEC)
4
Reference acoustic pressure 0dB = 20
μ
Pa
5
Curve for REQ100B7 in cooling mode
Measuring location
(discharge side)
