Rotating shafts and electrical equipment can be hazardous. Therefore, it is strongly
recommended that all electrical work conform to the National Electrical Code and all
local regulations. Installation, start-up and maintenance should be performed only by
qualified personnel.
Factory recommended procedures, included in this manual, should be followed. Always
disconnect electrical power before working on the unit.
Although shaft couplings or belt drives are generally not furnished by the manufacturer,
rotating shafts, couplings and belts must be protected with securely mounted metal
guards that are of sufficient thickness to provide protection against flying particles such
as keys, bolts and coupling parts. Refer to OSHA Rules and Regulations paragraph
1910.219 for guards on mechanical power transmission apparatus. Even when the motor
is stopped, it should be considered “alive” as long as its controller is energized. Keep
hands away from the output shaft until the motor has completely stopped and power is
disconnected from the controller.
Motor control equipment and electronic controls are connected to hazardous line voltages. When
servicing drives and electronic controls, there will be exposed components at or above line potential.
Extreme care should be taken to protect against shock Stand on an insulating pad and make it a habit to
use only one hand when checking components. Always work with another person in case of an
emergency. Disconnect power whenever possible to check controls or to perform maintenance. Be sure
equipment is properly grounded. Wear safety glasses whenever working on electronic control or rotating
equipment.
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NOTE: This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own expense. The user is cautioned
that any changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
Since improvements are continually being made, the enclosed data is subject to change
without notice. Any drawings are for reference only, unless certified. For additional
information contact Graham Service Department.
Copyright © 1998, Graham, Division of Danfoss Inc.
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