Fujitsu AB G18LVTB Series Design & Technical Manual - Page 17

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Fujitsu AB G18LVTB Series Design & Technical Manual
8.

OPERATION NOISE

8-1.

NOISE LEVEL CURVE

MODEL
: ABG18LV
„
„
Cooling
z
„
80
70
60
50
40
30
QUIET
20
10
0
63
125
250
500
Octave band center frequency,Hz
NC-65
NC-60
NC-55
NC-50
HIGH
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1,000
2,000
4,000
8,000
- (01 - 14) -
Heating
z
„
80
70
60
50
40
30
QUIET
20
10
0
63
125
250
500
Octave band center frequency,Hz
NC-65
NC-60
NC-55
NC-50
HIGH
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1,000
2,000
4,000
8,000