Energizing The Mcc - Hach sc200 User Manual

Model 6 Motor Control Centers
Section 5—Operation

Energizing the MCC

54
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Apply appropriate personal protective equipment (PPE) and follow safe
electrical work practices. See NFPA 70E or CSA Z462.
• This equipment must only be installed and serviced by qualified
electrical personnel.
• Turn off all power supplying this equipment before working on or inside
equipment.
• Always use a properly rated voltage sensing device to confirm power is
off.
• Replace all devices, doors, and covers before turning on power to this
equipment.
• Review the "Pre-operation Checklist" on page 53, ensuring that all items
check out.
Failure to follow this instruction will result in death or serious injury.
To energize the MCC:
1. Review the "Pre-operation Checklist" on page 53 before energizing.
2. Turn off all downstream loads, including distribution equipment and
other devices that are remote from the MCC.
3. Verify that all barriers, doors, and covers are closed before energizing
the equipment.
4. Energize the equipment in sequence, starting with the main devices, the
feeder devices next, and then the motor starter devices.
5. With all barriers in place and all unit doors closed and latched, turn on
the devices with a firm, positive motion.
6. After all disconnect devices are closed, loads such as lighting circuits,
starters, contactors, heaters, and motors may be energized.
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10/2012