6
Sound level
6-1
Sound level data
Sound pressure level (dB)
Sound pressure level (dB)
Octave band center frequency (Hz)
FCQ35-50B7 FCQ60B7
3TW22857-1
3TW22837-1
6-2
Sound pressure spectrum
Octave band center frequency (Hz)
NOTES
1 Data is valid at free field condition and nominal operation condition
(230V, air discharge in 4 directions).
2 The operation noise differs with the operation and ambient conditions.
3 dBA = A-weighted sound pressure level (A-scale according to IEC)
4 Reference acoustic pressure 0dB = 20µPa
Location of microphone
Model
Sound pressure level
Sound power level (H)230V, 50Hz
Measuring location
HL
FCQ35B7V1 31 27 48
FCQ50B7V1 31 27 48
FCQ60B7V1 33 28 50
Microphone
Unit
Legend
High speed
Low speed
•
4-Way Blow Ceiling Mounted Cassette •
R-410A • FCQ35-60B7V1B
6
6-1
8
• Split - Sky Air • Indoor Units