
FC 300 Operating Instructions
How to Install
Non UL compliance
If UL/cUL is not to be complied with, we recommend
using the following fuses, which will ensure
compliance with EN50178:
In case of malfunction, not following the
recommendation may result in unnecessary damage
of the frequency converter. Fuses must be designed
for protection in a circuit capable of supplying a
maximum of 100,000 A
rms
(symmetrical), 500 V
maximum.
VLT
Max. fuse size
Voltage
Type
K25-K75
10A
1)
200-240 V
type gG
1K1-2K2
20A
1)
200-240 V
type gG
3K0-3K7
32A
1)
200-240 V
type gG
K37-1K5
10A
1)
380-500V
type gG
2K2-4K0
20A
1)
380-500V
type gG
5K5-7K5
32A
1)
380-500V
type gG
1) Max. fuses - see national/international
regulations for selecting an applicable fuse size.
Access to Control Terminals
All terminals to the control cables are located
underneath the terminal cover on the front of the
frequency converter. Remove the terminal cover by
means of a screwdriver (see illustration).
Electrical Installation, Control Terminals
1.
Mount terminals from the accessory bag to the
front of the FC 300.
2.
Connect terminals 18, 27, and 37 to +24 V
(terminal 12/13) with the control cable.
Default settings:
18 = start
27 = coast inverse
37 = safe stop inverse
18
MG.33.A2.02 - VLT is a registered Danfoss trademark