Air-to-Water Heat Pump _ 35
Part 1. Monobloc Unit
11. Noise Criteria
11.2 Sound power level
Notes:
1. Reference acoustic intensity 0dB = 10E-6μW/m
2
2. Sound level will vary depending on a range of factors such as the construction (acoustic absorption coefficient) of particular
room in which the equipment in installed.
Octave Band Center Frequency (Hz)
Sound Power Level (0dB = 10E-6μPa)
20
30
40
50
60
70
80
90
100
125 250 500 1000 2000 4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Center Frequency (Hz)
Sound Power Level (0dB = 10E-6μPa)
20
30
40
50
60
70
80
90
100
125 250 500 1000 2000 4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Center Frequency (Hz)
Sound Power Level (0dB = 10E-6μPa)
20
30
40
50
60
70
80
90
100
125 250 500 1000 2000 4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Center Frequency (Hz)
Sound Power Level (0dB = 10E-6μPa)
20
30
40
50
60
70
80
90
100
125 250 500 1000 2000 4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Center Frequency (Hz)
Sound Power Level (0dB = 10E-6μPa)
20
30
40
50
60
70
80
90
100
125 250 500 1000 2000 4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Center Frequency (Hz)
Sound Power Level (0dB = 10E-6μPa)
20
30
40
50
60
70
80
90
100
125 250 500 1000 2000 4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
AHBW036H0 [HM031M] AHBW056A0 [HM051M] AHBW076A0 [HM071M]
AHBW096A0 [HM091M]
AHBW126A0 [HM121M]
AHBW146A0 [HM141M]
AHBW166A0 [HM161M]
AHBW128A0 [HM123M]
AHBW148A0 [HM143M]
AHBW168A0 [HM163M]
Model
Sound power level dB(A)
Heating
AHBW146A0 [HM141M] 67
AHBW166A0 [HM161M] 67
AHBW128A0 [HM123M] 67
AHBW148A0 [HM143M] 67
AHBW168A0 [HM163M] 67
Model
Sound power level dB(A)
Heating
AHBW036H0 [HM031M] 55
AHBW056A0 [HM051M] 63
AHBW076A0 [HM071M] 65
AHBW096A0 [HM091M] 65
AHBW126A0 [HM121M] 67
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