Sound Pressure Night Quiet Mode - Daikin Altherma ERHQ006-008AD Technical Data Manual

7 Sound data

7 - 2 Sound pressure night quiet mode

ERHQ011-016
ERHQ011AAV3
HEATING
Octave band center frequency (Hz)
NOTES
1 Data is valid at free field condition (measured in a semi-anachoic room).
2 dBA = A-Weighted sound pressure level. (A-scale according to IEC)
3 Reference acoustic pressure 0dB = 20μPa.
4 If sound is measured under actual installation conditions, the measured value
will be higher due to environmental noise and sound reflections.
ERHQ011-016
ERHQ011AAV3
COOLING
Octave band center frequency (Hz)
NOTES
1 Data is valid at free field condition (measured in a semi-anachoic room).
2 dBA = A-Weighted sound pressure level. (A-scale according to IEC)
3 Reference acoustic pressure 0dB = 20μPa.
4 If sound is measured under actual installation conditions, the measured value
will be higher due to environmental noise and sound reflections.
• Outdoor units • ERHQ011-016AAV3
ERHQ014AAV3
Octave band center frequency (Hz)
ERHQ014AAV3
Octave band center frequency (Hz)
TM
• Altherma • Outdoor units
HEATING
COOLING
ERHQ016AAV3
HEATING
Octave band center frequency (Hz)
3TW57767-4
Measuring location
(Discharge side)
ERHQ016AAV3
COOLING
Octave band center frequency (Hz)
3TW57767-3
Measuring location
(Discharge side)
2
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