Sound Power Spectrum - Daikin VRV Series Technical Data Manual

9 Sound data

9 - 2 Sound power spectrum

RXYHQ12P8
90
1
80
70
9
60
50
40
30
20
10
NOTES
1 dBA = A-weighted sound power level. (A-scale according to IEC)
2 Reference acoustic pressure 0dB = 10E-6 W/m
3 Measured according to ISO 3744.
71
• Outdoor Units • VRV HEAT PUMP • RXYHQ12-36P(8)
3TW27277-2
NR90
NR85
NR80
NR75
NR70
NR65
NR60
NR55
NR50
NR45
NR40
NR35
NR30
NR25
NR0 NR5 NR10 NR15 NR20
63 125 250 500 1000 2000 4000 8000 dBA
Ocatve band center frequency (Hz)
2
.
• VRV Systems • Outdoor Units