Sound Spectrum; 15.10.1 Sound Spectrum: Outdoor Unit - Daikin ERLQ004~008CAV3 Reference Manual

15.10

Sound spectrum

15.10.1 Sound spectrum: Outdoor unit

ERLQ004CA*
70
65
60
55
50
45
40
35
30
25
20
15
NR0 NR5 NR10 NR15
10
63 125 250 500 1000 2000 4000 8000 dBA
OCTAVE BAND CENTER FREQUENCY (Hz)
OCTAVE BAND CENTER FREQUENCY [dB]
ERLQ004~008CAV3 + EHVH/X04+08S18CA + EHVH/X08S26CA
Daikin Altherma - Low Temperature Split
4P313775-1C – 2012.11
70
70
NR75
65
NR70
60
60
NR65
55
NR60
50
50
NR55
45
NR50
40
40
NR45
35
NR40
NR35 30
30
NR30
25
20
NR25
20
NR20
15
NR0 NR5 NR10 NR15
10
10
63 125 250
OCTAVE BAND CENTER FREQUENCY (Hz)
MEASURING LOCATION
(DISCHARGE SIDE)
COOLING
ERLQ006CA*
70 70
NR75
65
NR70
60 60
NR65
55
NR60
50
50
NR55
45
NR50
40 40
NR45
35
NR40
30 30
NR35
NR30 25
20 20
NR25
15
NR20
10
10
500 1000 2000 4000 8000 dBA
NOTES:
- DATA IS VALID AT FREE FIELD CONDITION
- DATA IS VALID AT NOMINAL OPERATION CONDITION
- dBA = A-WEIGHTED SOUND PRESSURE LEVEL. (A-SCALE ACCORDING TO IEC)
- REFERENCE ACOUSTIC PRESSURES 0dB = 20µPa
15 Technical data
ERLQ008CA*
NR75
NR70
NR65
NR60
NR55
NR50
NR45
NR40
NR35
NR30
NR25
NR20
NR0 NR5 NR10 NR15
63 125 250 500 1000 2000 4000 8000 dBA
OCTAVE BAND CENTER FREQUENCY (Hz)
3TW60817-1
Installer reference guide
70
60
50
40
30
20
10
103