Rockwell Automation DC3N DC Drive User Guide, 1/4-2HP-115/230 VAC - Manual (Page 15)

7
Installation
Mounting
Mount drive with its board in either a horizontal or vertical plane. Six 0.19 inch
(5 mm) wide slots in the chassis accept #8 pan head screws. Fasten either the large
base or the narrow flange of the chassis to the subplate.
The chassis must be earth grounded. To ground the chassis, use a star washer
beneath the head of at least one of the mounting screws to penetrate the anodized
chassis surface and to reach bare metal.
ATTENTION: Do not install, remove, or rewire this equipment with power
applied. Doing so may cause fire or serious injury. Make sure you have read
and understood the Attentions on page ii before attempting any of these
procedures.
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Chassis drive
ATTENTION: This Drive contains ESD (Electric Static Discharge) sensitive
parts and assemblies, Static control precautions are required when installing,
testing, servicing, or repairing this assembly. Failure to observe these
precautions could result in damage to, or destruction of, the equipment.
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Wiring
ATTENTION: The control circuit is at line potential when the drive is
energized. Use a non-metallic screwdriver when making adjustments to the
circuit board potentiometers. Exercise extreme caution as hazardous voltage
exists. Failure to observe these precautions could result in severe bodily injury
of loss of life.
ATTENTION: Do not disconnect any of the motor leads from the drive unless
power is removed or the drive is disabled. Opening any one motor lead may
destroy the drive.
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Use 18-24 AWG wire for speed adjust potentiometer wiring. Use 14–16 AWG wire
for AC line (L1, L2) and motor (A1 and A2) wiring.
• Protect the drive from dirt, moisture, and accidental contact. Provide sufficient
room for access to the terminal block and calibration trimpots.
• Mount the drive away from other heat sources. Operate the drive within the
specified ambient operating temperature range.
• Prevent loose connections by avoiding excessive vibration of the drive.