MCAC-VTSM-2014-04
R410A DC Inverter VRF V4 Plus Individual Series 50Hz
Specifications & Performances
55
9. Sound levels
Notes:
•
Data is valid at free field condition
•
Data is valid at nominal operating condition
•
Sound level will vary depending on a range of factors such as the construction (acoustic absorption
coefficient) of particular room in which the equipment is installed
•
Sound level can be increased in static pressure mode or used air guide.
Model
Sound pressure level
d(B)A
MDV-730W/DRN1-i(C)
64
MDV-785W/DRN1-i(C)
64
MDV-850W/DRN1-i(C)
65
MDV-900W/DRN1-i(C)
65
Sound pressure spectrum
MDV-730W/DRN1-i(C); MDV-785W/DRN1-i(C) MDV-850W/DRN1-i(C); MDV-900W/DRN1-i(C)
1m
1.3m
Front
Octave band center frequency
(
Hz
)
63 125 250 500 1000 2000 4000 8000
70
60
50
40
30
20
Audibility limits of
continuous white sound
Octave band center frequency
(
Hz
)
63 125 250 500 1000 2000 4000 8000
70
60
50
40
30
20
Audibility limits of
continuous white sound