Danfoss VLT FC Series Manuale utente
Installation Guide
Control Card VLT® FC Series
1 Introduction
1.1 Compatible Drives
This guide describes the replacement of the control card in:
• VLT® HVAC Drive FC 102.
• VLT® Refrigeration Drive FC 103.
• VLT® AQUA Drive FC 202.
• VLT® AutomationDrive FC 301/FC 302.
• VLT® Lift Drive LD 302.
1.2 Safety Instructions
Only Danfoss authorized, qualified personnel is allowed to repair this equipment.
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 indicator lights are off.
Failure to wait the specified time after power has been removed before performing service or repair work could result in death
or serious injury.
-Stop the motor.
-Disconnect AC mains, permanent magnet type motors, and remote DC-link supplies, including battery back-ups, UPS, and
DC-link connections to other drives.
-Wait for the capacitors to discharge fully. The minimum waiting time is specified in table Discharge time and is also visible
on the nameplate on top of the drive.
-Before performing any service or repair work, use an appropriate voltage measuring device to make sure that the capacitors
are fully discharged.
Table 1: Discharge Time, VLT® HVAC Drive FC 102
Voltage [V] Minimum waiting time (minutes)
4 7 15 20 30 40
200–240 1.1–3.7 kW
(1.50–5 hp)
– 5.5–45 kW
(7.5–60 hp)
– – –
380–480 1.1–7.5 kW
(1.50–10 hp)
– 11–90 kW
(15–121 hp)
– – 315–1000 kW
(450–1350 hp)
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Voltage [V] Minimum waiting time (minutes)
400 – – – 90–315 kW
(121–450 hp)
– –
500 – – – 110–355 kW
(150–500 hp)
– –
525 – – – 75–315 kW
(100–450 hp)
– –
525–600 1.1–7.5 kW
(1.50–10 hp)
– 11–90 kW
(15–121 hp)
– – –
690 – – – 90–315 kW
(100– 350 hp)
– –
525–690 – 1.1–7.5 kW
(1.50–10 hp)
11–90 kW
(15–121 hp)
– 400–1400 kW
(500–1550 hp)
450–1400 kW
(600–1550 hp)
–
Table 2: Discharge Time, VLT® Refrigeration Drive FC 103
Voltage [V] Minimum waiting time (minutes)
4 7 15 20 40
200–240 0.25–3.7 kW
(0.34–5 hp)
– 5.5–37 kW
(7.5–50 hp)
– –
380–480 0.25–7.5 kW
(0.34–10 hp)
– 11–75 kW
(15–100 hp)
110–315 kW
(150–450 hp)
355–450 kW
(500–600 hp)
355–560 kW
(500–750 hp)
525–600 0.75–7.5 kW
(1.0–10 hp)
– 11–75 kW
(15–100 hp)
– –
525–690 – 1.5–7.5 kW
(2–10 hp)
11–75 kW
(15–100 hp)
55–400 kW
(75–400 hp)
450–630 kW
(600–750 hp)
450–800 kW
(600–950 hp)
Introduction
Installation Guide | Control Card VLT® FC Series
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Table 3: Discharge Time, VLT® AQUA Drive FC 202
Voltage [V] Minimum waiting time (minutes)
4 7 15 20 30 40
200–240 0.25–3.7 kW
(0.34–5 hp)
– 5.5–37 kW
(7.5–50 hp)
– – –
380–480 0.25–7.5 kW
(0.34–10 hp)
– 11–75 kW
(15–100 hp)
110–315 kW
(150–450 hp)
– 315–1000 kW
(450–1350 hp)
355–560 kW
(500–750 hp)
525–600 0.75–7.5 kW
(1–10 hp)
– 11–90 kW
(15–121 hp)
– 400–1400 kW
(400–1550 hp)
–
525–690 – 1.1–7.5 kW
(1.5–10 hp)
11–90 kW
(10–100 hp)
75–400 kW
(75–400 hp)
– 450–800 kW
(450–950 hp)
Table 4: Discharge Time, VLT® AutomationDrive FC 301/FC 302
Voltage [V] Minimum waiting time (minutes)
4 7 15 20 30 40
200–240 0.25–3.7 kW
(0.34–5 hp)
– 5.5–37 kW
(7.5–50 hp)
– – –
380–500 0.25–7.5 kW
(0.34–10 hp)
– 11–75 kW
(15–100 hp)
90–200 kW
(150–350 hp)
250–500 kW
(450–750 hp)
250–800 kW
(450–1350 hp)
315–500 kW
(500–750 hp)
400 – – – 90–315 kW
(125–450 hp)
– –
500 – – – 110–355 kW
(150–450 hp)
– –
525 – – – 55–315 kW
(75–400 hp)
– –
525–600 0.75–7.5 kW
(1–10 hp)
– 11–75 kW
(15–100 hp)
– – –
Introduction
Installation Guide | Control Card VLT® FC Series
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Voltage [V] Minimum waiting time (minutes)
525–690 – 1.5–7.5 kW
(2–10 hp)
11–75 kW
(15–100 hp)
37–315 kW
(50–450 hp)
355–1200 kW
(450–1550 hp)
355–2000 kW
(450–2050 hp)
355–710 kW
(400–950 hp)
690 – – – 55–315 kW
(75–400 hp)
– –
Table 5: Discharge Time, VLT® Lift Drive LD 302
Voltage [V] Minimum waiting time (minutes)
4 15
380–480 0.25–7.5 kW
(0.34–10 hp)
11–75 kW
(15–100 hp)
1.3 Items Supplied
The following is supplied:
• Control card.
1.4 Tools
Only 2 tools are required for replacing the control card:
• Torx 10 screwdriver.
• Flat-head screwdriver.
1.5 More Items Required
• An FC Series drive.
Introduction
Installation Guide | Control Card VLT® FC Series
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2 Replacement
2.1 Overview
1
2
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1LCP 2Blind cover
Illustration 1: LCP and Blind Cover
Replacement
Installation Guide | Control Card VLT® FC Series
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2.2 Replacing the Control Card
Procedure
1. Remove the LCP and the blind cover.
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Illustration 2: Removing the LCP
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Illustration 3: Removing the Blind Cover
2. Remove the LCP cradle.
Replacement
Installation Guide | Control Card VLT® FC Series
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Illustration 4: Removing the LCP Cradle
3. Remove all control cables from the metal bracket (spring-loaded).
4. Remove any A, B, or C options that may be installed.
5. Remove the I/O terminals.
1
2
3
e30bf721.12
1Location of A option
3I/O terminals
2Location of B option
Illustration 5: Location of Options and I/O Terminals
6. Unscrew the 3 T10 screws and remove the cable shield.
7. Remove the plastic cover underneath the cable shield.
Replacement
Installation Guide | Control Card VLT® FC Series
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13
2
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1Cable shield
3T10 screws
2MCO ribbon cable
Illustration 6: Location of the Cable Shield, Screws, and MCO Ribbon Cable (Control Card without MCB 159)
e30bg832.10
Illustration 7: Control Card with MCB 159
8. Unscrew the 2 T10 screws holding the control card EMC shield (4 screws if MCO is installed).
AIf MCO is installed, remove the MCO ribbon cable.
BIf the VLT® Sensorless Safety MCB 159 option is installed, it is not possible to remove the ribbon cable before removing the
control card EMC shield.
Replacement
Installation Guide | Control Card VLT® FC Series
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9. Remove the control card EMC shield.
AIf the MCB 159 is installed, lift the left side of the control card EMC shield first, then lift the right side until it is possible to
remove the MCB 159 ribbon cable. Otherwise, there is a risk to destroy the cable or the connector. When the ribbon cable is
removed, the EMC shield is separated from the control card.
2
1
e30bf723.11
1T10 screws 2Control card
Illustration 8: Screws and EMC Shield
10. Unscrew the 3 T10 screws and remove them.
11. Gently remove the control card from the upper-right socket. Avoid overbending and contact with electronic components.
Replacement
Installation Guide | Control Card VLT® FC Series
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1
2
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Illustration 9: Control Card and T10 Screws
The control card can now be replaced. Reassemble the new control card in reverse order.
Replacement
Installation Guide | Control Card VLT® FC Series
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