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7.2 MOTOR SELECTION – JUMPER J2
Check that the current absorbed by the motor never overpass the maximum current indicated
in the following chart.
When the frequency drive controls several motor, the frequency drive must be size adding up
the motor currents.
Set Jumper J2 to the corresponding position for the motor being used as shown in the
following table:
Jumper
J2
position
The factory setting is shown in bold
AUTOMATIC RIDE-THROUGH OR MANUAL START SELECTION – JUMPER J3
7.3
Jumper J3 is factory set to the "A" position for Automatic Ride-Through. If the power is
interrupted for up to 2 seconds, the drive will shut down and then "ride-through" and
automatically return to the set frequency.
If Jumper J3 is set to the "M" position, the drive will have to be manually restarted for a
momentary power loss using the Start/Stop Switch.
Automatic ride-through
(factory setting)
DRIVE OUTPUT FREQUENCY SELECTION – JUMPERS J4 AND J5
7.4
Both jumpers must be set for the appropriate motor nameplate frequency rating.
The drive is factory set to operate 50 Hz motors. Jumper J4 is factory set to the "1X" position
and Jumper J5 is factory set to the "50Hz" position. For 60 Hz motors, set Jumper J5 to the
"50Hz" position, and be sure Jumper J4 is set to the "1X" position.
50Hz Motor
7.5 RUN/FAULT OUTPUT RELAY OPERATION SELECTION - JUMPER J8
Jumper J8 is factory set to the "R" position for "Run" operation of the Run/Fault Relay. For
"Fault" operation of the Run/Fault Relay, set Jumper J8 to the "F" position. (See section 6.4,
terminal TB2))
"Run" Output Relay
Operation
(factory setting)
VFKB-24
VFKB-27
kW
A
kW
0,55
3,6
1,5
0,37
2,2
1,1
0,75
Manual start
"Fault" Output Relay
Operation
Jumper
J2
A
position
6,7
A
5,5
B
4,0
C
D
E
60Hz Motor
VFKB-45
VFKB-48
kW
A
kW
1,5
4,6
4
1,1
3,4
3
0,75
2,8
2,2
0,55
2,1
0,37
1,8
A
8,3
7,8
5,6
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