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8
CONNECTION
CAUTION
The PCB inside the inverter enclosure is vulnerable to
static electrical charges. Avoid contact with the PCB.
Choose an appropriate power source with correct
voltage settings for the specification of the AC inverter.
Do not use a separate device between control and
motor to switch motor ON or OFF during operation.
Step 4 – Preliminary Setup
Figure 4 - Inside of control, showing location of jumpers and fuses.
BASE FREQUENCY JUMPER - Model
2995 is factory set to operate 60 Hz and
50/60 Hz motors. For 50 Hz motors,
remove jumper J1 on the lower printed
circuit board. When the control is set for
50 Hz operation, the DECEL/B trimpot
will automatically change to adjustable
boost. The control can also operate 60
Hz and 50/60 Hz motors (not 50 Hz
motors) in an over speed mode by
moving the jumper to the 120 Hz
position.
Figure 5 - The different ways o
f
setting the base frequency jumper.