5
CFW-11M RB |5-1
First Time Power-Up and Start-Up
5 FIRST TIME POWER-UP AND START-UP
This chapter describes how to:
- Check and prepare the converter before power-up.
- Power-up the converter and check the result.
5.1 PREPARATIONS FOR THE START-UP
The converter shall have been already installed according to the
recommendations listed in Chapter 3 – Installation and Connection.
The following recommendations are applicable even if the application design is different from the suggested
control connections.
DANGER!
Always disconnect the main power supply before performing any converter connection.
5.1.1 Procedures for the First Time Power-up/Start-up
1. Verify all the panel connections.
2. Search for short-circuits at the input, DC link, etc.
3. Make sure all the cables are correctly connected between the control and power units.
4. Verify the condition of all the fuses.
5. Inspect all the ground connections (panel, the door where the control is installed, etc.).
6. Remove all the material rests from the converter or panel interior.
7. Close the converter or panel covers.
8. Energize the control (+24 Vdc power supply).
9. The HMI must indicate undervoltage with the control energized and the power units deenergized. The
electronics of the power units stay without power (SMPS off) and the DC link monitoring signal remains
at 0 V.
10. Measure the line voltage making sure it is inside the permitted range.
11. Verify if the automatic hardware identification has correctly recognized the converter current and voltage.
The converter current must be compatible with the number of installed power units.
12. Command the drive, perform the DC link pre-charge and close the main contactor/circuit breaker keeping
the converters always connected to the DC link with the PWM pulses disabled.
13. Verify the proper operation of the fans. The fan control configuration is done via software through the
parameter P0352 (refer to the CFW-11 RB programming manual). The power units do not have internal
Содержание CFW-11M RB
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