The instructions provide information about installation of the
mounting adapter for exchanging a VLT
®
2800 with a VLT
®
Midi Drive FC 280.
Only Danfoss authorized, qualified personnel is allowed to
install this equipment. The personnel must be familiar with the
instructions and safety measures described in the
VLT
®
Midi Drive FC 280 Service Guide
.
Items Supplied
Four different mounting adapters are available. Each adapter
comes with either 4 or 8 screws, depending on the type of
adapter.
•
Mounting adapter 1
-
4 screws size M4x20
•
Mounting adapter 2
-
4 screws size M4x20
-
4 screws size M5x20
•
Mounting adapter 3
-
4 screws size M5x20
•
Mounting adapter 4
-
4 screws size M6x20
Mounting adapter
Enclosure
Corresponding
VLT
®
2800
Ordering number
Adapter A
K1
Size A
132B0363
Adapter B
K1/K2
Size B
132B0364
Adapter C
K2/K3
Size C
132B0365
Adapter D
K4/K5
Size D
132B0366
Tools Required
•
Screwdrivers:
-
T20
Safety Instructions
WARNING
DISCHARGE TIME
The frequency converter contains DC-link capacitors, which
can remain charged even when the frequency converter is
not powered. High voltage can be present even when the
warning LED indicator lights are off. Failure to wait the
specified 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 supplies,
including battery back-ups, UPS, and DC-link
connections to other frequency converters.
•
Disconnect or lock PM motor.
•
Wait for the capacitors to discharge fully. The
minimum waiting time is specified in
Table 1.1
.
•
Before performing any service or repair work, use
an appropriate voltage measuring device to make
sure that the capacitors are fully discharged.
Voltage [V]
Power range
[kW (hp)]
Minimum waiting time
(minutes)
200–240
0.37–3.7 (0.5–5)
4
380–480
0.37–7.5 (0.5–10)
4
11–22 (15–30)
15
Table 1.1 Discharge Time
Installation
NOTICE
For dimensions of the various adapter plates, refer to
Illustration 1.1
to
Illustration 1.4
.
1.
Using the mounting holes and screws from the old
frequency converter, securely fasten the adapter
plate.
2.
Mount the supplied screws.
3.
Position the frequency converter and slide it onto the
adapter plate screws.
Installation Instructions
Mounting Adapter to VLT
®
2800
VLT
®
Midi Drive FC 280
Danfoss A/S © 02/2016 All rights reserved.
MI07F102