Acoustic Noise - Danfoss VLT HVAC Basic Drive FC 101 Design Manual
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Also See for VLT HVAC Basic Drive FC 101:
- Design manual (132 pages) ,
- Programming manual (124 pages) ,
- Operating manual (84 pages)
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General Specifications and ...
Control card, 10 V DC output
Terminal number
Output voltage
Max. load
All inputs, outputs, circuits, DC supplies and relay contacts are galvanically isolated from the supply voltage (PELV) and
other high-voltage terminals.
Surroundings
Enclosure
Enclosure kit available
Vibration test
Max. relative humidity
Aggressive environment (IEC 60721-3-3), coated (standard) frame H1-H5
Aggressive environment (IEC 60721-3-3), non-coated frame H6-H10
Aggressive environment (IEC 60721-3-3), coated (optional) frame H6-H10
Test method according to IEC 60068-2-43 H2S (10 days)
Ambient temperature
Derating for high ambient temperature, see 8.2.1 Surroundings
Minimum ambient temperature during full-scale operation
Minimum ambient temperature at reduced performance, enclosure frame H1-H5
Minimum ambient temperature at reduced performance, enclosure frame H6-H10
Temperature during storage/transport
Maximum altitude above sea level without derating
Maximum altitude above sea level with derating
Derating for high altitude, see 8.2.1 Surroundings
Safety standards
EMC standards, Emission
EMC standards, Immunity
8.3 Acoustic Noise
The acoustic noise from the frequency converter comes
from 3 sources:
1.
DC intermediate circuit coils
2.
Integral fan
3.
RFI filter choke
Frame
Level [dBA]
H1
57.3
H2
59.5
H3
53.8
H4
64
H5
63.7
H6
71.5
H7
67.5 (75 kW 71.5 dB)
H8
73.5
H9
60
H10
62.9
I2
50.2
I3
54
®
VLT
HVAC Basic Drive Design Guide
5%-95% (IEC 60721-3-3; Class 3K3 (non-condensing) during operation
See max. output current at 40/50 °C in the tables mains supply
EN 61800-3, EN 61000-3-12, EN 61000-6-1/2, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN
®
MG18C402 - VLT
is a registered Danfoss trademark
EN 61800-3, EN 61000-6-3/4, EN 55011, IEC 61800-3
Frame
Level [dBA]
I4
60.8
I5
67
I6
70
I7
62
I8
65.6
Table 8.7 Typical Values Measured at a Distance of 1 m
from the Unit
50
10.5 V ±0.5 V
25 mA
IP20
IP21, TYPE 1
1.0 g
Class 3C3
Class 3C2
Class 3C3
0 °C
-20 °C
-10 °C
-30 to +65/70 °C
1000 m
3000 m
EN/IEC 61800-5-1, UL 508C
61000-4-5, EN 61000-4-6
103
8
8
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