Nc Curves; Fan Characteristics Curves - Mitsubishi Electric PFD-P250VM-E Service Manual
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Also See for PFD-P250VM-E:
- Installation manual (88 pages) ,
- Operation manual (13 pages) ,
- Service handbook (326 pages)
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3-2. NC Curves
PUHY-P250YGM-A
63Hz
125Hz
250Hz
500Hz
62.5 58.5 55.5
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63
125
250
OCTAVE BAND CENTER FREQUENCIES (Hz)
PFD-P250VM-E
63Hz
125Hz
250Hz
70.6
62.7
60.5
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63Hz
125Hz
250Hz
OCTAVE BAND CENTER FREQUENCIES (Hz)
3-3. Fan Characteristics Curves
PFD-P250VM-E
1000
900
800
700
600
(Output 2.2kW)
500
400
300
200
Internal
resistance
100
0
136
130
140
150
(External static
pressure 0Pa)
1000Hz
2000Hz
4000Hz 8000Hz
dB(A)
53
49.5
49
49
43
57
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500
1000
2000
4000
8000
(External static
pressure 120Pa)
500Hz
1000Hz
2000Hz
4000Hz 8000Hz
dB(A)
56.1
54.8
45.7
39.7
32.9
59
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500Hz
1000Hz
2000Hz
4000Hz
8000Hz
: 50/60Hz, standard
Output 3.7kW
Fan rotation speed
1200rpm
1100rpm
1000rpm
900rpm
800rpm
Internal resistance
(middle-high efficient filter )
184
160
170
180
190
3
Air volume (m
/min)
PUHY-P500YGM-A
63Hz
125Hz
250Hz
500Hz
50Hz
67
61.5
60.5
58
60Hz
68
65
60.5
59
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63
125
250
500
OCTAVE BAND CENTER FREQUENCIES (Hz)
PFD-P500VM-E
63Hz
125Hz
250Hz
500Hz
82.8
70.5
65.6
57,0
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63Hz
125Hz
250Hz
500Hz
OCTAVE BAND CENTER FREQUENCIES (Hz)
PFD-P500VM-E
: 50/60Hz, standard
1000
Fan rotation speed
900
1300rpm
Output 7.5kW
800
1200rpm
700
Output 5.5kW
600
500
400
300
200
800rpm
Internal resistance
100
With a middle-high efficient filter
0
255
272
250
270
290
310
Air volume (m
8
(External static
pressure 0Pa)
1000Hz
2000Hz
4000Hz 8000Hz
dB(A)
53.5
50.5
48
43
60
54
51.5
49
43.5
61
50Hz
60Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000
2000
4000
8000
(External static
pressure 120Pa)
1000Hz
2000Hz
4000Hz 8000Hz
dB(A)
55.1
51.1
44.7
37.9
63
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000Hz
2000Hz
4000Hz
8000Hz
Internal resistance
(middle-high efficient filter )
1100rpm
1000rpm
900rpm
Standard
318
345
368
330
350
370
3
/min)
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