The inrush card kit includes all parts required to install the
inrush card in D1h–D8h drives.
1.1.1 Kit Ordering Numbers
Number Kit description
176F3159 Inrush card NO 110–315 kW 400 V (T5)
176F3417 Inrush card NO 75–400 kW 690 V (T7)
176F3517 Inrush card rugged NO 110–315 kW 400 V (T5)
176F3518 Inrush card rugged NO 75–400 kW 690 V (T7)
Table 1.1 Ordering Numbers for Inrush Card Kits
1.1.2 Items Supplied
The following items are included with the inrush card kits for
D1h–D8h drives.
ItemQuantity
Inrush card1
Stando (for D1h/D3h/D5h/D6h drives only)3
Installation instructions1
Table 1.2 Items Supplied with Inrush Card Kit
1.2 Safety Information
Only qualied, Danfoss-authorized personnel are allowed to
install the parts described in these installation instructions.
Disassembly and reassembly of the drive must be done in
accordance with the corresponding service guide.
WARNING
ELECTRICAL SHOCK HAZARD
VLT® FC series drives contain dangerous voltages when
connected to mains voltage. Improper installation, and
installing or servicing with power connected, can cause
death, serious injury, or equipment failure.
To avoid death, serious injury, or equipment failure:
Only use
•
Disconnect the drive from all power sources before
•
installation or service.
Treat the drive as live whenever the mains voltage
•
is connected.
Follow the guidelines in these instructions and local
•
electrical safety codes.
qualied
electricians for the installation.
WARNING
DISCHARGE TIME
The drive contains DC-link capacitors, which can remain
charged even when the drive is not powered. High voltage
can be present even when the warning LED indicator lights
are o. Failure to wait the specied time after power has
been removed before performing service or repair work can
result in death or serious injury.
Stop the motor.
•
Disconnect AC mains and remote DC-link power
•
supplies, including battery back-ups, UPS, and DClink connections to other drives.
Disconnect or lock PM motor.
•
Wait for the capacitors to discharge fully. The
•
minimum waiting time is 20 minutes.
Before performing any service or repair work, use
•
an appropriate voltage measuring device to make
sure that the capacitors are fully discharged.
NOTICE
ELECTROSTATIC DISCHARGE
Follow proper ESD precautions to prevent damage to
sensitive components.
1.3.1 Accessing the Inrush Card in D1h/D3h/Dh5/D6h Drives
To access the inrush card, remove the following components from the drive. Refer to Illustration 1.1 and Illustration 1.2. See the
service guide for detailed instructions for each component.
1.Remove the control card mounting plate.
2.Remove the power card mounting plate.
3.Remove the AC input busbars and any input options present, such as RFI lter or mains fuses.
4.Remove the mains input terminal block and EMC shield.
5.Remove the brake terminals, if present.
6.Remove the motor terminal block.
7.Remove the power terminal mounting plate.
8.Remove the DC bus rails.
1Screw (T30)7 Nut (10 mm)
2Inrush card8Screw (T30)
3DC(+) busbar9 Screw (T30)
4Inrush support bracket10DC(+) busbar
5Stando (11 mm)11DC(-) busbar DC coil to capacitor bank
1.3.4 Installing the Inrush Card in D1h/D3h/Dh5/D6h Drives
To install the new inrush card, use the following steps. Refer to Illustration 1.2.
1.Place the new inrush card in the drive.
2.Fasten 5 screws (T20) in the inrush card.
3.Plug the cables to the following connectors on the inrush card:
MK1800
•
MK1802
•
1.3.5 Reassembling D1h/D3h/D5h/D6h Drives
After installing the new inrush card and standos, replace the following components in the drive. Refer to Illustration 1.1. See the
service guide for detailed instructions for each step.
1.Replace the DC bus rails.
2.Replace the power terminal mounting plate.
3.Replace the motor terminal block.
4.Replace the optional brake terminals, if present.
5.Replace the mains input terminal block and EMC shield.
6.Replace the AC input busbars and any power options, such as RFI
1.4 Installation Instructions for D2h/D4h/D7h/D8h Drives
Illustration 1.4 shows the control card mounting plate and power card mounting plate in a D-sized drive. The location of these
components is similar in D2h/D4h/D7h/D8h drives.
Illustration 1.4 Control Card Mounting Plate and Power Card Mounting Plate
1.4.1 Accessing the Inrush Card in D2h/D4h/Dh7/D8h Drives
To access the inrush card, remove the following components from the drive. Refer to Illustration 1.4. See the service guide for
detailed instructions for each component.
1.4.3 Installing the Inrush Card in D2h/D4h/D7h/D8h Drives
To install the new inrush card, use the following steps. Refer to Illustration 1.5.
1.Position the inrush card in the drive.
2.Secure 5 screws (T20) in the inrush card.
3.Secure 2 thread-forming screws (T20).
4.Connect the cable to the inrush card connector MK1802.
1.4.4 Reassembling D2h/D4h/D7h/D8h Drives
After installing the new inrush card, replace the following components in the drive. Refer to Illustration 1.4. See the service guide for
detailed instructions for each component.
1.Replace the power card mounting plate.
2.Replace the control card mounting plate.
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