First Time Power-Up And Start-Up; Start-Up Preparation - WEG CFW300 User Manual

5 FIRST TIME POWER-UP AND START-UP

5.1 START-UP PREPARATION

The inverter must have already been installed according to
CONNECTION on page
DANGER!
Always disconnect the main power supply before making any connection.
1. Check if the power, grounding and control connections are correct and firm.
2. Remove all the materials left behind from the installation work from inside the inverter or the
cabinet.
3. Verify the motor connections and if its voltage and current are within the inverter rated value.
4. Mechanically uncouple the motor from the load. If the motor cannot be uncoupled, make
sure that any speed direction (forward or reverse) will not result in personnel injury and/or
equipment damage.
5. Close the inverter or cabinet covers.
6. Measure the power supply and verify if it is within the allowed range, according to
8 TECHNICAL SPECIFICATIONS on page
7. Apply power to the input: close the input disconnecting switch.
8. Check the result of the first time power-up:
The HMI display indicates:
5.2 START-UP
This section describes the power-up of the inverter with HMI operation, using the minimum
connections of Figure 3.1 on page 13
Furthermore, two types of control will be considered: V/f control (scalar) and vector control
V V W. For further details on the utilization of these types of control refer to the CFW300
programming manual.
9.
31.
Figure 5.1: HMI display when powering up
and without connections in the control terminals.
First Time Power-Up and Start-Up
Chapter 3 INSTALLATION AND
Chapter
CFW300 | 23