AHF 005/010
Operating Instructions
AHF 005/010
Contents
Safety
2
Warnings 2
Symbols used in this manual 2
Operator's safety 2
Avoid filter module damage 2
DC-link resonance 2
Description
3
Description 3
Ordering numbers, 380 - 415 V, 50 Hz 4
Ordering numbers, 440 - 480 V, 60 Hz 5
Ordering numbers, 500 - 525 V, 50 Hz 5
Calculation of the exact filter size needed 6
Specifications
7
General technical data 7
Environmental data 7
Dimensions/weight 8
Dimension diagrams 10
Installation
13
Mechanical installation 13
Ventilation 13
Power wiring 13
Over temperature contactor 15
Power wiring size 15
Operation on different mains type 16
Typical installation in a panel or other enclosures 17
Commissioning
18
Commissioning 18
Appendix: Safety and application notes for
19
1. General 19
2. Application as directed 19
3. Transport, Storage 19
4. Installation 19
5. Electrial Installation 19
6. Operation 19
7. Maintenance and service 20
Index
21
AHF 005/010
MG.80.B5.02 - VLT® is a registered Danfoss trademark 1
Warnings
The Danfoss harmonic filter AHF 005 and
AHF 010 contain dangerous voltages
when connected to line voltages. Only a
competent electrician should carry out the
electrical installation. Improper installation of the filter module or the connected
frequency converter may cause equipment failure, serious injury or death. Follow this manual and National Electrical
Codes and local safety codes.
Operation of the harmonic filter is only allowed with a closed cover of the housing!
Symbols used in this manual
When you read this manual you will come across different symbols that require special attention. The symbols used are the following:
Warning of hazardous electrical voltage
Warning of a general danger
NB!
This note designates general, useful
notes. If you observe it, handling of the filter module / drive system is made easier.
Operator's safety
After mains disconnections, the power terminals X1.1, X1.2, X1.3, X3.1, X3.2, X3.3,
X4.1, X4.2 and X4.3 remain live for minimum 4 minutes.
The filter modules have to be installed in
a way, that they fulfil their function and
don’t expose persons to danger. They
have to be mounted correctly and used in
accordance with their purpose.
Avoid filter module damage
1. The filter modules are to be used only with
Danfoss frequency converters. The usage
with other electrical loads is not permitted
and may damage the devices.
2. Don’t use the drive system (frequency converter, motor load and filter module) if the
equipment has been damaged.
3. Modifications of the filter modules are not allowed.
DC-link resonance
To avoid resonance’s in the DC-link, it is possible to
disable the dynamic DC link compensation.
483 Dynamic DC link compensation
(DC link comp.)
Value:
Off [0]
On [1]
Function:
The VLT 5000, 6000 and 8000 series include a feat ure,
which ensures that the output voltage is independent
of any voltage fluctuation in the DC link, e.g. caused
by fast fluctuation in the mains supply voltage. The
benefit is a very steady torque on motor shaft (low torque ripple) under most mains conditions.
Description of choice:
In some cases this very dynamic compensation can
cause resonance’s in the DC link and should then be
disabled. Typical cases are where a line choke or a
passive harmonic filter (e.g. filters AHF005/010) is
mounted in the mains supply to the frequency converter to suppress harmonics. Can also occur on
mains with low short circuit ratio.
AHF 005/010
2 MG.80.B5.02 - VLT® is a registered Danfoss trademark
Description
The Danfoss harmonic filters AHF 005 and AHF 010
are ensuring near sinusoidal line current minimising
the harmonic current emission into the mains supply.
The Danfoss AHF 005 and AHF 010 are advanced
harmonic filters not to be compared with traditional
harmonic trap filters. The Danfoss harmonic filters
have been specially designed to match all the Danfoss
frequency converters. The filters AHF 010 and AHF
005 are available in four voltage ratings.
• 380 - 415 V AC, 50 Hz
• 440 - 480 V AC, 60 Hz
• 500 - 525 V AC, 50 Hz
• 690 V AC, 50 Hz
The Danfoss AHF 010 and AHF 005 have the following
characteristics:
• Small compact housing that fits into a panel
• Easy to use in retrofit applications
• AHF 010 reduces the total harmonic current
distortion to 10%*
• AHF 005 reduces the total harmonic current
distortion to 5%*
• Current rating from 10A - 370A
• For higher power modules can be paralleled
• One filter module can be used for several frequency converters
• High efficiency (> 0.98)
• User-friendly commissioning - no adjustment
necessary
• No routine maintenance required
* THiD of 10% or 5% will be achieved when the following conditions are met:
-
THvD of the system without the drive operating is less than 2%
-
Filter is operating at nominal load
If these conditions are not fulfilled, a significant reduction of the harmonic components can still be achieved,
but the rated THiD values may not be achieved.
Principle connection diagram of the Danfoss
harmonic filter.
Legends (as used throughout this manual):
U
L
: Line voltage
I
AHF
: Input current of the filter
AHF
I
FC,L
: Input current to the fre-
quency converter
I
M
: Motor current
AHF 005/010
MG.80.B5.02 - VLT® is a registered Danfoss trademark 3
Description
Ordering numbers, 380 - 415 V, 50 Hz
AHF 005 and AHF 010, 380V - 415V, 50Hz
I
AHF,N
Typical Motor
Used [kW]
Danfoss ordering number Typical Danfoss frequency converter series •
AHF 005
AHF 010 VLT 5000 VLT 6000 HVAC VLT 8000 AQUA
10 A 4, 5.5 175G6600 175G6622 5006, 5008 6006, 6008 8006, 8008
19 A 7.5 175G6601 175G6623 5011 6011 8011
26 A 11 175G6602 175G6624 5016 6016 8016
35 A 15, 18.5 175G6603 175G6625 5022, 5027 6022, 6027 8022, 8027
43 A 22 175G6604 175G6626 5032 6032 8032
72 A 30, 37 175G6605 175G6627 5042, 5052 6042, 6052 8042, 8052
101 A 45, 55 175G6606 175G6628 5062, 5072 6062, 6072 8062, 8072
144 A 75 175G6607 175G6629 5102 6102 8102
180 A 90 175G6608 175G6630 5122 6122 8122
217 A 110 175G6609 175G6631 5152 6152 8152
289 A 132, 160 175G6610 175G6632 5202, 5252 6172, 6222 8202, 8252
324 A 175G6611 175G6633
370 A 200 175G6688 175G6691 5302 6272 8302
Higher ratings can be achieved by paralleling the filter units
434 A 250 Two 217A units 5352 6352 8352
578 A 315 Two 289 A units 5452 6402 8452
613 A 355 289 A and 324 A units 5502 6502 8502
648 A 400 Two 324 A units 6552 8602
• Please note that the matching of the typical Danfoss frequency converter and filter is pre-calculated based on
400V and assuming typical motor load (4 or 2 pole motor). VLT 5000 series is based on a max. 160 % torque
application, while VLT 6000 and 8000 series are based on a max. 110% torque application.
The pre-calculated filter current may be different than the input current ratings of VLT 5000, VLT 6000 and VLT
8000 series as stated in the respective operating instructions, as these numbers are based on different operating
conditions.
AHF 005/010
4 MG.80.B5.02 - VLT® is a registered Danfoss trademark
Ordering numbers, 440 - 480 V, 60 Hz
I
AHF,N
Typical Motor
Used [HP]
Danfoss ordering number Typical Danfoss frequency converter series •
AHF 005
AHF 010 VLT 5000 VLT 6000 HVAC VLT 8000 AQUA
19 A 10, 15 175G6612 175G6634 5011, 5016 6011, 6016 8011, 8016
26 A 20 175G6613 175G6635 5022 6022 8022
35 A 25, 30 175G6614 175G6636 5027, 5032 6027, 6032 8027, 8032
43 A 40 175G6615 175G6637 5042 6042 8042
72 A 50, 60 175G6616 175G6638 5052, 5062 6052, 6062 8052, 8062
101 A 75 175G6617 175G6639 5072 6072 8072
144 A 100, 125 175G6618 175G6640 5102, 5122 6102, 6122 8102, 8122
180 A 150 175G6619 175G6641 5152 6152 8152
217 A 200 175G6620 175G6642 5202 6172 8202
289 A 250 175G6621 175G6643 5252 6222 8252
324 A 300 175G6689 175G6692 5302 6272 8302
370 A 350 175G6690 175G6693 5352 6352 8352
Higher ratings can be achieved by paralleling the filter units
506 A 450 217 A and 289 A units 5452 6402 8452
578 A 500 Two 289 A units 5502 6502 8502
648 A 600 Two 324 A units - 6552 8602
• Please note that the matching of the typical Danfoss frequency converter and filter is pre-calculated based on
480V and assuming typical motor load. VLT 5000 series is based on a 160 % torque application, while VLT 6000
and 8000 series are based on 110% torque application.
The pre-calculated filter current may be varying from the input current ratings of VLT 5000, VLT 6000 and VLT
8000 series as stated in the respective operating instructions, as these numbers are based on different operating
conditions.
Ordering numbers, 500 - 525 V, 50 Hz
I
AHF,N
Typical Motor
Used [kW]
Danfoss ordering number Typical Danfoss frequency converter series •
AHF 005
AHF 010 VLT 5000 VLT 6000 HVAC VLT 8000 AQUA
10 A 4, 5.5 175G6644 175G6656 5006, 5008 6006, 6008 8006, 8008
19 A 7.5, 11 175G6645 175G6657 5011, 5016 6011, 6016 8011, 8016
26 A 15, 18.5 175G6646 175G6658 5022, 5027 6022, 6027 8022, 8027
35 A 22 175G6647 175G6659 5032 6032 8032
43 A 30 175G6648 175G6660 5042 6042 8042
72 A 37, 45 175G6649 175G6661 5052, 5062 6052, 6062 8052, 8062
101 A 55, 75 175G6650 175G6662 5062, 5072 6062, 6072 8062, 8072
144 A 90, 110 175G6651 175G6663 5102, 5122 6102, 6122 8102, 8122
180 A 132 175G6652 175G6664 5152 6152 8152
217 A 160 175G6653 175G6665 5202 6172 8202
289 A 200 175G6654 175G6666 5252 6222 8252
324 A 250 175G6655 175G6667 5302 6302 8302
Higher ratings can be achieved by paralleling the filter units
434 A 315 Two 217 A units 5352 6352 8352
469 A 355 180 A and 289 A units 5452 6402 8452
578 A 400 Two 289 A units 5502 6502 8502
• Please note that the matching of the typical Danfoss frequency converter and filter is pre-calculated based on
500V and assuming typical motor load. VLT 5000 series is based on a 160 % torque application, while VLT 6000
and 8000 series are based on 110% torque application.
The pre-calculated filter current may be varying from the input current ratings of VLT 5000, VLT 6000 and VLT
8000 series as stated in the respective operating instructions, as these numbers are based on different operating
conditions.
AHF 005/010
MG.80.B5.02 - VLT® is a registered Danfoss trademark 5
Description
Ordering numbers, 690 V 50 Hz
I
AHF,N
Typical Motor Used
[kW]
Danfoss ordering numb e r Typical Danfoss frequency converter
series •
AHF 005
AHF 010 VLT 5000 160 % VLT 8000 HVAC
43 A 37, 45 130B2328 130B2293 5042, 5052 8052
72 A 55, 75 130B2330 130B2295 5062, 5072 8062, 8072
101 A 90 130B2331 130B2296 5102 8102
144 A 110, 132 130B2333 130B2298 5122, 5152 8122, 8152
180 A 160 130B2334 130B2299 5202 8202
217 A 200 130B2335 130B2300 5252 8252
289 A 250 130B2331 &
130B2333
130B2301 5302 8302
324 A 315 130B2333 &
130B2334
130B2302 5352 8352
370 A 400 130B2334 &
130B2335
130B2304 8402
• Please note that the matching of the typical Danfoss frequency converter and filter is pre-calculated based on
500V and assuming typical motor load. VLT 5000 series is based on a 160 % torque application, while the VLT
8000 series are based on 110% torque application.
The pre-calculated filter current may be varying from the input current ratings of VLT 5000 and VLT 8000 series
as stated in the respective operating instructions, as these numbers are based on different operating conditions.
Calculation of the exact filter size needed
For optimal performance the harmonic filter should be
sized for the line input current to the frequency converter, i.e. the input current drawn based on the expected load of the frequency converter and not the size
of the frequency converter itself!
The line input current to the frequency converter
(I
FC,L
) can by calculated using the nominal motor cur-
rent (I
M,N
) and displacement power factor (Cos φ)) of
the motor. Both data are normally printed on the nameplate of the motor. In the case where the nominal motor
voltage (U
M,N
) is unequal to the actual line-line voltage
(U
L
) the calculated current must be corrected with the
ratio between these voltages as shown in the equation
below.
The harmonic filter chosen must have a nominal current (I
AHF,N
) equal to or larger than the calculated
frequency converter line input current (I
FC,L
).
If several frequency converters are to be connected to
the same filter, the harmonic filter must be sized according to the sum of the calculated line currents.
If the harmonic filter is sized for the load,
and the motor of the corresponding frequency converter is changed, the current
must be re-calculated to avoid overload of
the harmonic filter.
AHF 005/010
6 MG.80.B5.02 - VLT® is a registered Danfoss trademark
General technical data
AHF 0xx AHF 0xx AHF 0xx AHF 0xx
Nominal supply
voltage
U
L,N
[V]
380 ≤ U
L,N
≤ 415 440 ≤ U
L,N
≤ 480
500 - 525 V 690 V
Tolerance of the
actual supply voltage
UL[V]
342 ≤ UL ≤ 456 396 ≤ UL ≤ 528 450 ≤ UL ≤ 577 621 ≤ UL ≤ 759
Supply frequency f
L,N
[Hz] 50 ± 5 % 60 ± 5 % 50 ± 5 % 50 ± 5 %
Overload capability
1,6 for 60s
Efficiency
η[%]
~ 98.8 %
THiD [%] AHF 005 < 5%
AHF 010 < 10%
cos φ of I
L
0.5 cap
0.8 cap
0.85 cap
0.99 cap
1.00
at 25% I
AHF,N
at 50% I
AHF,N
at 75% I
AHF,N
at 100% I
AHF,N
at 150% I
AHF,N
Power derating [%/C]
[%/m]
40°C < Ta < 55°C => 3%/C
1000m altitude above sea level.< h ≤ 4000m altitude
above sea level => 5%/1000m
NB!
The reduction of the low harmonic current
emission to the rated THiD implies, that
the THvD of the non-influenced mains
voltage is lower than 2% and the ratio of
short circuit power to installed load (R
SCE
) is at least 66. Under these conditions
the THiD of the mains current of the frequency converter is reduced to 10% or 5%
(typical values at nominal load). If these
conditions are not or only partially fulfilled,
a significant reduction of the harmonic
components can still be achieved, but the
rated THiD values may not be achieved.
Environmental data
Permissible
temperature range*
During transport of the unit:
During storage of the unit:
During operation of the unit:
-25°C...+70°C (to VDE 0160)
-25°C...+55°C (to VDE 0160)
5°C...+40°C without power derating
5°C...+55°C with power derating
Humidity class* Humidity class F without condensation ( 5% - 85% relative humidity)
Installation height h*
H ≤ 1000 m altitude above sea level
1000 m altitude above sea level< h ≤
4000 m altitude above sea level
without power derating
with power derating
Degree of pollution VDE 0110 Part 2 degree 2
Insulation strength Overvoltage category III according to VDE 0110
Packaging DIN 55468 for transport packaging materials
Type of protection IP 20
Approvals CE: Low-Voltage Directive; UL; C-tick
*climatic conditions according to class 3K3 (EN 50178
Part 6.1)
AHF 005/010
MG.80.B5.02 - VLT® is a registered Danfoss trademark 7
Specifications
Dimensions/weight
The AHF modules are available in seven frame sizes (size B to H).
For dimensions see the drawings on the following pages
AHF 005, 380 – 415 V AC, 50Hz AHF 010, 380– 415 V AC, 50Hz
I
AHF,N
Frame size Weight I
AHF,N
Frame
size
Weight
10 A B 20 Kg (44 lbs) 10 A B 15 Kg (33 lbs)
19 A C 31 Kg (68 lbs) 19 A B 19 Kg (42 lbs)
26 A C 31 Kg (68 lbs) 26 A B 24 Kg (52 lbs)
35 A C 49 Kg (108 lbs) 35 A C 38 Kg (84 lbs)
43 A D 60 Kg (132 lbs) 43 A C 45 Kg (99 lbs)
72 A D 81 Kg (178 lbs) 72 A D 64 Kg (141 lbs)
101 A E 128 Kg (282 lbs) 101 A D 80 Kg (176 lbs)
144 A E 165 Kg (364 lbs) 144 A D 101 Kg (222 lbs)
180 A F 197 Kg (434 lbs) 180 A E 134 Kg (295 lbs)
217 A F 228 Kg (503 lbs) 217 A E 159 Kg (350 lbs)
289 A G 269 Kg (593 lbs) 289 A F 180 Kg (396 lbs)
324 A G 309 Kg (681 lbs) 324 A F 233 Kg (513 lbs)
370 A H 345 Kg (760 lbs) 370 A G 252 Kg (555 lbs)
AHF 005, 440 – 480 V AC, 60Hz AHF 010, 440 – 480 V AC, 60Hz
I
AHF,N
Frame
size
Weight I
AHF,N
Frame size Weight
19 A C 32 kg (71 lbs) 19 A B 20 kg (44 lbs)
26 A C 43 kg (95 lbs) 26 A B 25 kg (55 lbs)
35 A C 50 kg (110 lbs) 35 A C 38 kg (84 lbs)
43 A D 60 kg (132 lbs) 43 A C 45 kg (99 lbs)
72 A D 82 kg (181 lbs) 72 A D 64 kg (141 lbs)
101 A E 129 kg (284 lbs) 101 A D 81 kg (178 lbs)
144 A E 167 kg (368 lbs) 144 A D 103 kg (227 lbs)
180 A F 200 kg (441 lbs) 180 A E 135 kg (297 lbs)
217 A F 230 kg (507 lbs) 217 A E 161 kg (355 lbs)
289 A G 272 kg (600 lbs) 289 A F 191 kg (421 lbs)
324 A G 306 kg (675 lbs) 324 A F 232 kg (511 lbs)
370 A H 348 kg (767 lbs) 370 A G 245 kg (540 lbs)
AHF 005, 500 - 525 V AC, 50Hz AHF 010, 500 - 525 V AC, 50Hz
I
AHF,N
Frame
size
Weight I
AHF,N
Frame size Weight
10 A B 22 Kg (48 lbs) 10 A B 17 Kg (37 lbs)
19 A C 35 Kg (77 lbs) 19 A B 21 Kg (46 lbs)
26 A C 49 Kg (108 lbs) 26 A B 28 Kg (62 lbs)
35 A C 55 Kg (121 lbs) 35 A C 42 Kg (93 lbs)
43 A D 67 Kg (147 lbs) 43 A D 47 Kg (104 lbs)
72 A E 82 Kg (181 lbs) 72 A D 69 Kg (152 lbs)
101 A E 144 Kg (317 lbs) 101 A D 91 Kg (200 lbs)
144 A E 187 Kg (412 lbs) 144 A E 131 Kg (289 lbs)
180 A F 226 Kg (498 lbs) 180 A E 147 Kg (324 lbs)
217 A F 262 Kg (578 lbs) 217 A F 185 Kg (408 lbs)
289 A G 309 Kg (681 lbs) 289 A F 209 Kg (461 lbs)
324 A G 348 Kg (767 lbs) 324 A G 256 Kg (564 lbs)
AHF 005/010
8 MG.80.B5.02 - VLT® is a registered Danfoss trademark
AHF 005, 690V AC, 50Hz AHF 010, 690 V AC, 50Hz
I
AHF,N
Frame
size
Weight I
AHF,N
Frame size Weight
43 A D 85 kg (187 lbs) 43 A D 65 kg (143 lbs)
72 A E 100 kg (220 lbs) 72 A D 75 kg (165 lbs)
101 A F 130 kg (287 lbs) 101 A E 95 kg (209 lbs)
144 A G 160 kg (353 lbs) 144 A E 125 kg (275 lbs)
180 A G 200 kg (441 lbs) 180 A F 140 kg (309 lbs)
217 A H 300 kg (661 lbs) 217 A G 180 kg (397 lbs)
289 A G 200 kg (441 lbs)
324 A H 250 kg (551 lbs)
370 A H 300 kg (661 lbs)
AHF 005/010
MG.80.B5.02 - VLT® is a registered Danfoss trademark 9
Specifications
Dimension diagrams Frame size B
Frame size C
Frame size D
AHF 005/010
10 MG.80.B5.02 - VLT® is a registered Danfoss trademark
Frame size E
Frame size F
Frame size G
AHF 005/010
MG.80.B5.02 - VLT® is a registered Danfoss trademark 11
Specifications
Frame size H
NB!
Please allow an additional 30 mm of depth
of the filter for the mounting feet.
NB!
Frame E-H only transport the filter vertically, i.e. use lifting hooks on both ends.
AHF 005/010
12 MG.80.B5.02 - VLT® is a registered Danfoss trademark
Mechanical installation
The encapsulation of the filters have an IP 20 rating.
The modules can be mounted side by side with 60mm
(2,36 inches) clearance.
To other components and to the cabinet walls keep a
horizontal clearance of at least 70mm (2,76 inches)
and a vertical clearance of at least 150mm (5,91 inches).
Only vertical installation is allowed (mains terminal at
bottom).
For versions with bus bars (frame size E
– H) it is necessary to mount the added
covers to the connectors in order to achieve the protection type IP 20.
Ventilation
The filters are cooled by means of air circulation. Consequently, the air needs to be able to move freely
above and below the filter module. The efficiency of
the filter modules is greater than 0.98. When installing
a filter module in a panel or another enclosure, ensure
there is sufficient airflow though the enclosure to limit
heat rise in the enclosure.
AHF 0xx, 380 – 415V
Max. Heat
AHF 0xx, 440 – 480V
Max. Heat
AHF 0xx, 500V - 525V
Max. Heat
AHF 0xx, 690V
Max. Heat
10 A 83 W 104 W
19 A 158 W 190 W 197 W
26 A 216 W 259 W 270 W
35 A 290 W 349 W 364 W
43 A 358 W 429 W 447 W 617 W
72 A 599 W 718 W 748 W 1033 W
101 A 840 W 1008 W 1050 W 1448 W
144 A 1197 W 1437 W 1496 W 2065 W
180 A 1496 W 1796 W 1871 W 2581 W
217 A 1804 W 2165 W 2255 W 3112 W
289 A 2403 W 2883 W 3003 W 4145 W
324 A 2694 W 3232 W 3367 W 4646 W
370 A 3076 W 3691 W 5306 W
NB!
If other heat sources (e.g. Danfoss frequency converters) are installed in an enclosure with the harmonic filter AHF 0xx,
this heat generation must also be considered when calculating required airflow
NB!
If the cooling air is polluted (dust, dirt swirl,
grease, aggressive gas) the function of
the filter module may be impeded. Ens ure
sufficient countermeasures, e.g. separate
cooling air, mounting of air filters, periodical cleaning.
Power wiring
Standard connection
Supply voltage must be connected to the terminals
X1.1, X1.2 and X1.3. The frequency converter supply
terminals L1, L2 and L3 must be connected to the filter
module terminals X2.1, X2.2 and X2.3.
AHF 005/010
MG.80.B5.02 - VLT® is a registered Danfoss trademark 13
Installation
Paralleling of FC's
If several frequency converters are to be connected to
the harmonic filter, the connection is similar to the
standard connection - The supply terminals L1, L2 and
L3 of several frequency converters must be connected
to the filter module terminals X2.1, X2.2 and X2.3.
NB!
If several FC’s are to be connected to the
same filter, the harmonic filter must be
sized according to the sum of the calculated input current to the FC’s.
Paralleling of filters
If the line input current of the frequency converter exceeds the nominal current of the largest harmonic
filter, several harmonic filters can be paralleled to achieve the necessary rating. Supply voltage must be
connected to the terminals X1.1, X1.2 and X1.3 of the
filters. The frequency converter supply terminals L1,
L2 and L3 must be connected to the filter modules terminals X2.1, X2.2 and X2.3.
NB!
Filters of different current ratings can be
paralleled. The rating of the filter becomes
the sum of the individual current ratings.
Capacitor disconnect
The power factor of the harmonic filter AHF 005/010 is
decreasing with decreasing load. At zero load the
Power Factor becomes zero and the capacitors produce approximately 30% leading current compared to
the rated current of the filter. The reactive current generated by the filter at partial load is normally not of any
concern, mainly because of the small current compared to the system capacity (max 30%) as well as the
fact that other load normally compensates the capacitive current.
In applications where this reactive current may not be
accepted, Terminals X3.1, X3.2, X3.3 and X4.1, X4,
X4.3 are giving acces to the filter capacitors. As de fault
(on delievery) the wiring will shorten Terminal X3.1
with X4.1, X3.2 with X4.2 and X3.3 with X.4.3. In the
case of that no capacitor disconnect is required no
changes should be made. If capacitor disconnecet is
required a three-phase contactor should be placed between terminals X3 and X4. Size the contactor and
wiring to 50% of the nominal current and use the AC3
rating of the contactor.
NB!
Only switch the contactor at less than 20%
output power. Allow minimum 240 seconds for the capacitors to discharge before turning on again.
Use cables complying with local regulations.
AHF 005/010
14 MG.80.B5.02 - VLT® is a registered Danfoss trademark
Over temperature contactor
The Danfoss harmonic filter AHF 005 and AHF 010 is equipped with a galvanic isolated contactor that is closed
under normal operating conditions and open if the filter is overheated. This contactor must be used to prevent
damages to the filter caused by over temperature as shown in the following example.
Example: Connect terminal A of the harmonic filter to
terminal 12 or13 (voltage supply digital input, 24V) of the
Danfoss frequency converter and terminal B to terminal
27 (digital input “Coast Inverse”) the frequency converter
will let go of the motor (coasting) and thereby unload the
filter if a over temperature is detected.
NB!
The maximum rating of the over temperature contactor is 250V AC and 10A.
Power wiring size
Power wiring size
Enclosure Max. cable size
mm
2
AWG Type Nom. Fix Torque
B 16 6 Connector 2 Nm
C and D 50 1 Connector 6 Nm
E, F, G and H * * Bus Bars 25 Nm
Overheat contactor (copper)
Enclosure Max. cable size
mm
2
AWG Type Nom. Fix Torque
4 Connector 0.6 Nm
Capacitor disconnect (c opp er )
Enclosure Max. cable size
mm
2
AWG Type Nom. Fix Torque
B 4 10 Connector 0.6 Nm
C and D 16 6 Connector 2 Nm
E, F, G and H 50 1 Connector 6 Nm
*Power wiring used for connection of the filter AHF 005
and AHF 010 in enclosure size E, F and G must be
terminated with cable lugs that can be attached to the
input and output bus bars terminals. This type of ter-
mination imposes no specifications of the minimum
and maximum cable size suitable for connection. Power terminal details regarding the bus bars can be found
in the figures below.
AHF 005/010
MG.80.B5.02 - VLT® is a registered Danfoss trademark 15
Installation
Frame E
Frame F Frame G,
Frame H
NB!
For UL approval use copper conductor
only.
Operation on different mains type
Mains type
Operation of the filter module
TN Directly grounded star point Allowed
TN Indirectly grounded star point Allowed
IT Isolated star point Allowed
The filter module has been designed completely symmetrically for three phase operation and without reference to the star point or protective earth.
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Typical installation in a panel or other enclosures
To avoid high frequency noise coupling keep a minimum distance of 150 mm (5.91 inches) to:
a) mains/supply wires
b) motor wires of frequency converter
c) control- and signal wires (voltage range <
48 V)
To obtain low resistive HF-connections, grounding,
screening and other metallic connections (e. g. mounting plates, mounted units) should have a surface as
large as possible to metallic ground. Use grounding
and potential equalisation wires with a cross section
as large as possible (min. 10mm²) or thick grounding
tapes.
Use copper or tinned copper screened wires only, as
steel screened wires are not suitable for high frequency applications. Connect the screen with metal clamps
or metal glands to the equalisation bars or PE-connections.
Inductive switching units (relay, magnetic contactor
etc.) must always be equipped with varistors, RC-circuits or suppressor diodes.
1. Panel
2. Mains supply wire
3. Motor wiring
4. Control wiring
5. Wiring between harmonic filter and frequency
converter
6. Mains supply wire of filter module
7. Mounting plate (common star point)
8. Potential equalisation
9. Filter module AHF 0xx
10. Mains connection
11. PLC
12. Frequency converter
13. Mains fuses
14. Mains circuit breaker
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Installation
Commissioning
Prior to initial switch-on of the filter module
check the wiring for completeness, shortcircuit and earth fault.
If the wiring is not correct, a non-intended
operation of controller and/or filter module
is possible.
First powering up
1. Switch on mains supply :
- The filter module is ready for operation at
once.
2. Check the readiness of the frequency converter:
- Proceed in accordance with the operating
instructions of the frequency converter.
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18 MG.80.B5.02 - VLT® is a registered Danfoss trademark
1. General
During operation, filter modules unit may have, according to their type of protection, live, bare, in some
cases also movable or rotating parts as well as hot
surfaces.
Non - authorized removal of required cover, inappropriate use, incorrect installation or operation, creates
the risk of severe injury to persons or damage to material assets.
Further information can be obtained from the documentation.
All operations concerning transport, installation and
commissioning as well as maintenance must be carried out by qualified, skilled personnel (IEC 364 and
CENELEC HD 384 or DIN VDE 0100 and IEC-Report
664 or DIN VDE 0110 and national regulations for the
preventions of accidents must be observed).
According to this basic safety information qualified
skilled personnel are persons who are familiar with the
erection, assembly, commissioning and operation of
the product and who have the qualifications necessary
for their occupation .
2. Application as directed
Filter modules are components, which are designed
for installation in electrical systems or machinery.
When installing in machines, commissioning of the filter modules (i.e. the starting of operation as directed)
is prohibited until it is proven, that the machine corresponds to the regulations of the EC Directive 83/392/
EEC (Machinery Directive); EN 60204 must be observed.
Commissioning (i.e. starting operation as directed) is
only allowed when there is compliance with the EMCDirective 89/336/EEC.
The filter modules meet the requirements of the LowVoltage Directive 73/23/EEC. The technical data and
information on the connection conditions must be obtained from the nameplate and the documentation and
must be observed in all cases.
3. Transport, Storage
Notes on transport, storage and appropriate handling
must be observed.
The filter modules have to be protected from inadmissible stress. In particular during transport and handling
no components are allowed to be bend and / or isolating distances may not be altered. The units are equip-
ped with electrostatic sensitive devices, which may be
damaged by improper handling. Therefore it has to be
avoided to get in contact with electronic components.
If electronic components are damaged mechanically
the unit must not be put into operation, as it cannot be
ensured, that all relevant standards are observed. Climatic conditions must be observed according to prEN
50178.
4. Installation
The devices must be erected and cooled according to
the regulations of the corresponding documentation.
The filter modules must be protected from inappropriate loads. Particularly during transport and handling,
components must not be bent and / or isolating distances must not be changed. Touching of electronic
components and contacts must be avoided.
Filter modules contain electro-statically sensitive components, which can easily be damaged by inappropriate handling. Electrical components must not be
damaged or destroyed mechanically (health risk are
possible!).
5. Electrial Installation
When working on live filter modules, the valid national
regulations for the prevention of accidents (e.g. VBG
4) must be observed. Before any installation or connection works, the plant has to be switched off and to
be secured properly.
The electrical installation must be carried out according to the appropriate regulations (e.g. cable crosssections, fuses, PE-connection). More detailed information is included in the documentation. When using
the filter module with frequency converters without
safe separation from the supply line (to VDE 0100) all
control wiring has to be included in further protective
measures (e.g. double insulated or shielded, grounded and insulated).
6. Operation
Systems where filter modules are installed, if applicable, have to be equipped with additional monitoring
and protective devices according to the valid safety
regulations e.g. law on technical tools, regulations for
the prevention of accidents, etc.
After disconnecting the filter module from the supply
voltage, live parts of the filter module and power con-
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Appendix: Safety and ap-
plication notes for
nections must not be touched immediately, because of
possibly charged capacitors.
During operation, all covers and doors must be closed.
7. Maintenance and service
The manufacturer’s documentation must be observed.
This safety information must be kept!
The product-specific safety and application notes in
these Operating Instructions must also be observed!
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Index
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Index
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