Daikin EWAQ005ACV3P User Manual download pdf (Page 12)

• Hydronic Systems • Chillers 12

• Chillers • R-410A • EWAQ-ACV3P

9 Sound data

9 - 1 Sound pressure spectrum

3TW57537-1

Sound pressure level (dB)

Octave band center frequency (Hz)

EWAQ005AC

EWYQ005AC (Cooling)

NOTES

1 Data is valid at free field condition (measured in a

semi-anachoic room)

2 dB(A) = 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.

Location of microphone

Microphone

Coil

3TW57537-1

Sound pressure level (dB)

Octave band center frequency (Hz)

EWAQ006AC

EWYQ006AC (Cooling)

NOTES

1 Data is valid at free field condition (measured in a

semi-anachoic room)

2 dB(A) = 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.

Location of microphone

Microphone

Coil

3TW57537-1

Sound pressure level (dB)

Octave band center frequency (Hz)

EWAQ007AC

EWYQ007AC (Cooling)

NOTES

1 Data is valid at free field condition (measured in a

semi-anachoic room)

2 dB(A) = 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.

Location of microphone

Microphone

Coil

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Daikin EWAQ005ACV3P User Manual Page 12

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