Introduction to VLT® HVAC D...
2.9.2 EMC Test Results
The following test results have been obtained using a system with a frequency converter, a screened control cable, a control
box with potentiometer, as well as a motor and screened motor cable at nominal switching frequency. In Table 2.19 the
maximum motor cable lengths for compliance are stated.
RFI filter type
Standards and
EN 55011
requirements
EN/IEC 61800-3
H1
FC 102
1.1-45 kW 200-240 V
1.1-90 kW 380-480 V
H2
FC 102
1.1-3.7 kW 200-240 V
5.5-45 kW 200-240 V
1.1-7.5 kW 380-500 V
11-90 kW 380-500 V
11-22 kW 525-690 V
30-90 kW 525-690 V
H3
FC 102
1.1-45 kW 200-240V
1.1-90 kW 380-480V
H4
FC 102
11-30 kW 525-690 V
37-90 kW 525-690 V
3)
Hx
FC 102
1.1-90 kW 525-600 V
Table 2.19 EMC Test Results (Emission)
1) Enclosure Type B
2) Enclosure Type C
3) Hx versions can be used according to EN/IEC 61800-3 category C4
4) T7, 37-90 kW complies with class A group 1 with 25 m motor cable. Some restrictions for the installation apply (contact Danfoss for details).
HX, H1, H2, H3, H4 or H5 is defined in the type code pos. 16-17 for EMC filters
HX - No EMC filters built in the frequency converter (600 V units only)
H1 - Integrated EMC filter. Fulfil EN 55011 Class A1/B and EN/IEC 61800-3 Category 1/2
H2 - No additional EMC filter. Fulfil EN 55011 Class A2 and EN/IEC 61800-3 Category 3
H3 - Integrated EMC filter. Fulfil EN 55011 class A1/B and EN/IEC 61800-3 Category 1/2
H4 - Integrated EMC filter. Fulfil EN 55011 class A1 and EN/IEC 61800-3 Category 2
H5 – Marine versions. Fulfill same emissions levels as H2 versions
MG11BC02
Design Guide
Conducted emission
Cable length [m]
Class B
Class A
Housing,
Group 1
trades and
Industrial
light
environ-
industries
ment
Category
Category
C1
C2
First
First
environ-
environ-
ment Home
ment
and office
Home and
office
50
150
50
150
No
No
No
No
No
No
4)
No
No
1,
No
No
4)
2,
No
No
4)
10
50
10
50
1)
No
100
2)
No
150
No
No
Danfoss A/S © Rev. 06/2014 All rights reserved.
Radiated emission
Cable length [m]
Class A
Class B
Class A Group 1
Group 2
Housing,
Industrial
Industrial
trades and
environment
environ-
light
ment
industries
Category
Category C1
Category C2
C3
First
Second
environment
environment
environ-
Home and
Home and office
ment
office
Industrial
150
No
150
No
5
No
25
No
5
No
25
No
25
No
25
No
75
No
75
No
100
No
150
No
No
No
Class A Group 2
Industrial
environment
Category C3
First
Second
environment
Industrial
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
43
2
2
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