23
© Vallox Oy - All rights reserved
MV
FAN INPUT POWER
SUPPLY/EXTRACT AIR VOLUMES
Pressure loss in ducts. Total pressure (Pa)
Volume flow rate
(dm
3
/s)
Volume flow rate
Power (W)
Sound values have been measured at the measurement points of the facility curve (L) of the air flow graph. The values
change very little when the pressure loss in the ducts is low and the fan settings remain unchanged. The sound values
increase when the pressure loss in the ducts increase.
TECHNIC
AL SPECIFIC
A
TIONS
AIR FLOWS AND SOUND VALUES
0
10
20
30
40
50
60
70
0
36
72
108
144
180
216
252
m³/h
30 %
50 %
10 %
20 %
40 %
60 %
70 %
80 %
(l/s)
100 %
0
10
20
30
40
50
60
70
80
dm³/s
25 %
5 %
15 %
45 %
0
50
100
150
200
250
300
350
0
10
20
30
40
50
60
70
80
55 %
65 %
35 %
100 %
SFP 1,8
SFP 1,5
SFP 1,2
SFP 1,0
SFP 0,8
L
0
36
72
108
144
180
216
252
m³/h
(l/s)
dm³/s
288
Input power (total) (W)
Air flow (max) (dm3/s)
SFP =
SFP rate (Specific Fan Power)
recommended value <1.8 (kW m
3
/s)
extract air
supply air
Sound values
Sound power level in the supply air duct (one duct) by octave
band L
w
, dB
Sound power level in the extract air duct (one duct) by octave band
L
w
, dB
Adjustment position
Adjustment position
Adjustment position (%)
10
20
30
40
50
60
70
80
90
100
10
20
30
40
50
60
70
80
90
100
Medium
frequency
of the
octave
band
Hz
63
58
60
62
64
66
68
73
81
81
81
52
52
55
55
59
61
72
70
72
72
125
47
52
57
59
62
65
67
68
68
68
52
52
54
55
56
58
60
62
62
62
250
44
50
55
57
64
62
65
67
67
67
30
33
39
42
44
47
50
51
52
51
500
39
46
52
54
57
59
62
65
66
67
30
38
40
42
46
49
50
54
56
55
1000
32
40
45
48
52
56
59
64
64
64
20
27
31
34
37
39
42
45
46
46
2000
21
30
37
42
45
48
51
53
53
53
13
15
20
24
28
30
33
35
36
36
4000
18
22
30
36
42
46
49
52
52
52
17
17
17
18
18
19
21
23
23
23
8000
21
21
23
27
34
40
44
48
48
48
21
21
21
21
21
21
21
21
21
21
L
W
, dB
58
61
64
66
70
71
75
82
82
82
55
55
58
58
61
63
72
71
73
73
L
WA
, dB(A)
41
47
52
55
59
61
64
67
68
68
37
39
42
44
46
49
51
54
55
55
Vallox 51 MV, Vallox 51K MV (no standard extraction through the hood in the kitchen)
Sound pressure level coming through the envelope of the unit in the room in which it is installed (10m² sound absorption)
Adjustment position
Adjustment position (%)
10
20
30
40
50
60
70
80
90
100
L
pA
, dB (A)
21
24
28
29
32
35
38
40
40
40
Vallox 51K MV (standard extraction 8 dm³/s through the hood in the kitchen)
Sound pressure level coming through the envelope of the unit in the room in which it is installed (10m² sound absorption)
Adjustment position
Adjustment position (%)
22
40
L
pA
, dB (A)
28
32
SOUND VALUES
Содержание 51 MV
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