1.2.3 IT Mains
CAUTION
IT Mains
Installation on isolated mains source, i.e. IT mains.
Max. supply voltage allowed when connected to mains:
440 V (3x380-480 V units).
On 380-480 V IP20 0,37-22 kW, open the RFI switch by
removing the screw on the side of the frequency converter
when at IT grid.
130BB612.10
1
Illustration 1.1 IP20 0,37-22 kW 380-480 V.
1: EMC screw
On all units, set
14-50 RFI filter
to
Off
when operating in IT
mains.
CAUTION
If reinserted, only use M3x12 screw.
1.2.4 Avoid Unintended Start
While the frequency converter is connected to mains, the
motor can be started/stopped using digital commands, bus
commands, references or via the LCP.
•
Disconnect the frequency converter from mains
whenever personal safety considerations make it
necessary to avoid unintended start of any
motors.
•
To avoid unintended start, always press [Off reset]
before changing parameters.
1.2.5 Disposal Instruction
Equipment containing electrical components
must not be disposed of together with domestic
waste.
It must be separately collected with electrical
and electronic waste according to local and
currently valid legislation.
1.3 Installation
1.3.1 Before Starting Repair Work
1.
Disconnect FC 111 from mains (and external DC
supply, if present.)
2.
Wait as stated in the table below for discharge of
the DC-link:
Voltage [V]
Power range [kW]
Minimum waiting time
[min]
3x400
0.37–7.5
4
3x400
11–90
15
3.
Remove motor cable
1.3.2 Side-by-Side Installation
The frequency converter can be mounted side-by-side and
requires the clearance above and below for cooling.
Power
Clearance above/
below [mm/inch]
Frame
IP class
3x380-480 V
H1
IP20
0.37-1.5 kW/
0.5-2 Hp
100/4
H2
IP20
2.2-4 kW/
3-5.4 Hp
100/4
H3
IP20
5.5-7.5 kW/
7.5-10 Hp
100/4
H4
IP20
11-15 kW/
15-20 Hp
100/4
H5
IP20
18.5-22 kW/
25-30 Hp
100/4
H6
IP20
30-45 kW/
40-60 Hp
200/7.9
H7
IP20
55-75 kW/
100-120 Hp
200/7.9
H8
IP20
90 kW/
125 Hp
225/8.9
NOTE
With IP21/Nema Type1 option kit mounted, a distance of
50 mm between the units is required.
Quick Guide
VLT
®
HVAC Basic Drive Cascade Controller Quick Guide
MG18F202 - VLT
®
is a registered Danfoss trademark
3
1
1
