Before You Begin - Schneider Altivar 61/71 Guía De Explotación

Before you begin

Read and understand these instructions before performing any procedure with this
braking unit.
HAZARDOUS VOLTAGE
• Read and understand this User's Manual before installing or operating the braking
unit. Installation, adjustment, repair and maintenance must be performed by qualified
personnel.
• The user is responsible for compliance with all international and national electrical
standards in force concerning protective grounding of all equipment.
• Many parts in this equipment, including printed circuit boards, operate at line voltage.
DO NOT TOUCH.
Use only electrically insulated tools.
• DO NOT touch unshielded components or terminal strip screw connections with
voltage present.
• DO NOT short across terminals PA and PC or across the DC bus capacitors.
• Install and close all the covers before applying power or starting and stopping the
drive.
• Before servicing the braking unit
- Disconnect all power.
- Place a "DO NOT TURN ON" label on the disconnect at the head of the installation.
- Lock the disconnect in the open position.
• Disconnect the power supply before working on the equipment. Wait for the charging
LED to go off. Then follow the DC bus voltage measurement procedure described in
the drive Installation Manual to verify that the DC voltage is less than 45 VDC. The
drive LEDs are not accurate indicators of the absence of DC bus voltage.
Failure to follow these instructions will result in death or serious injury.
1757084 11/2009
DANGER
25