Bitzer VARIPACK FDU+6 User Manual

CB-100-216
5 Electrical connection
Before performing any work on the electrical system:
DANGER
Life-threatening voltages inside the frequency
inverter housing!
Contact can lead to serious injuries or death.
Never open the FI housing in operation! Switch
off the main switch and secure it against being
switched on again.
Wait for at least 5 minutes until all capacitors
have been discharged!
Before switching on again, close the FI housing.
DANGER
As soon as the VARIPACK frequency inverter is
energized, the capacitors in the FI DC link are
charged.
From this moment on, all electrical components
in the VARIPACK frequency inverter present
risks!
The operation of the VARIPACK frequency inverter re-
quires the following electrical connections:
• VARIPACK earth connection.
• VARIPACK power connections (power cable and
motor cable).
• VARIPACK control connections.
For the selection of the cable diameters, fuses and
tightening torques of the earth and power connections,
see table 3, page 16. Use fuses of type gL/gG or
mount thermal overload switch of the appropriate char-
acteristic.
Type Rated in-
put current
Minimum .. Maximum cable diameters and tightening
torques (in Nm)
Fuses
Power connections Earth connections Max. rated fuse current (A)
A Nm Nm Stand-
ard
UL, cUL (type)
FDU+6 7.6 0.05..6mm
2
0.56..
0.8
M4
Ring cable lug
1.8 10 10 (Class J)
FDU+12 10.6 16 20 (Class J)
FEU+16 14.5 20 25 (Class J)
FEU+24 20.4 25 30 (Class J)
FGU+32 28.5 1..10mm
2
(16mm
2
with cable
connector)
1.35 M4
Ring cable lug
1.8 32 40 (Class J)
FGU+38 33.5 40 50 (Class J)
FHU+45 40 1.3..25mm
2
2.0 M5
Ring cable lug
3.6 63 60 (Class J)
FHU+60 54.7 80 80 (Class J)
FHU+73 66.2 100 100 (Class J)
FJU+87 78.8 Pin M8 for cable lugs
or wire end sleeves
up to a length of
26.5mm
(min. 25mm
2
)
20 M8
Ring cable lug
20 125 125 (A50QS-125-4)
FJU+105 95.8 160 150 (A50QS-150-4)
FJU+145 130 200 200 (A50QS-200-4)
FKU+180 160 Pin M8 for cable lugs
or wire end sleeves
up to a length of
32mm
(min. 25mm
2
)
20 M8
Ring cable lug
20 250 250 (A50QS-250-4)
FKU+205 198 315 300 (A50QS-300-4)
FKU+260 236 400 350 (A50QS-350-4)
Tab.3: Cable diameters, tightening torques and fuses

Bitzer VARIPACK FDU+6 Specifications

General

Brand	Bitzer
Model	VARIPACK FDU+6
Category	Inverter
Language	English