Mitsubishi Electric LGH-200RVXT-E Technical Manual page 3

CHAPTER
Characteristics
4
5. NC Curves
LGH-150RVXT-E
Background noise
Measurement site
Operation conditions
Power supply
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
LGH-200RVXT-E
Background noise
Measurement site
Operation conditions
Power supply
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
: 25 dB or less (A range)
: Anechoic chamber
: Energy recovery ventilation
: Single phase 230V, 50Hz
Fan speed 4
Fan speed 3
Fan speed 2
Fan speed 1
NC-70
NC-60
NC-50
NC-40
NC-30
Octave band freaquency center (Hz)
: 25 dB or less (A range)
: Anechoic chamber
: Energy recovery ventilation
: Single phase 230V, 50Hz
Fan speed 4
Fan speed 3
Fan speed 2
Fan speed 1
NC-70
NC-60
NC-50
NC-40
NC-30
Octave band freaquency center (Hz)
Background noise
Measurement site
Operation conditions
Power supply
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
Background noise
Measurement site
Operation conditions
Power supply
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
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New information
: 25 dB or less (A range)
: Anechoic chamber
: Bypass ventilation
: Single phase 230V, 50Hz
Fan speed 4
Fan speed 3
Fan speed 2
Fan speed 1
NC-70
NC-60
NC-50
NC-40
NC-30
Octave band freaquency center (Hz)
: 25 dB or less (A range)
: Anechoic chamber
: Bypass ventilation
: Single phase 230V, 50Hz
Octave band freaquency center (Hz)
Fan speed 4
Fan speed 3
Fan speed 2
Fan speed 1
NC-70
NC-60
NC-50
NC-40
NC-30
N15HHGT0033