35
INSTALLATION
3
3.2.5 - Combination
drive "A"
Operation by
HMI, Standard
Connection
With the factory standard programming, you can operate the
Soft-Starter with the minimum connection shown in Figure
3.9.
This operation mode is recommended for users who operate
the Soft-Starter for the first time, as an initial training form.
Note:It's necessary to use normal fuses or breaker to protect
the installation. Ultra-Rapid fuses are not necessary for
the SSW-03 Plus operation, but they are recommended
for SCR protection.
The transformer "T" is optional and must be utilized
when the line voltage is different to the electronics and
fan voltage.
The isolation contactor "K1" is optional, and is not nec-
essary for the SSW-03 Plus operation. However due to
protection and safety reasons it's recommended. In case
Figure 3.9 -
Minimum connections for operation through HMI
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