3
P/N: 10001609 (REV AB) 627NH
December 2014
ELECTROMOTIVE IMPULSE
®
•G+ MINI
ADJUSTABLE FREQUENCY DRIVES
Through a special arrangement with Electromotive Systems, a
Magnatek Company, the Impulse •G+ Mini adjustable frequency
drives have been mounted inside most Columbus McKinnon (CM
®
)
chain hoists. This manual contains information on the adjustable
frequency drives and it should be used in conjunction with the
manual supplied with the hoist.
DISCLAIMER OF WARRANTY
Electromotive Systems hereafter referred to as Company, assumes
no responsibility for improper programming of a drive by untrained
personnel. A drive should only be programmed by a trained
technician who has read and understands the contents of this
manual. Improper programming of a drive can lead to unexpected,
undesirable, or unsafe operation or performance of the drive. This
may result in damage to equipment or personal injury. We shall not
be liable for economic loss, property damage, or other consequential
damages or physical injury sustained by the purchaser or by any
third party as a result of such programming. We neither assume
nor authorize any other person to assume any other liability in
connection with the sale or use of this product.
Improper programming of a drive can lead to unexpected,
undesirable, or unsafe operation or performance of the drive.
tO aVOiD inJURY:
Drive must only be programmed by trained personnel.
GENERAL
Refer to hoist manual for Safety Precautions, Hoist Safety is up to
you, Forward, General Information, Accessories and Installation of
the hoist. However, when installing the hoist, be sure it is protected
from the following conditions:
• Extreme cold and heat. Use only within the ambient temperature
range: 14 to 122ºF (-10 to +50ºC).
• Rain, moisture.
• Oil sprays, splashes.
• Salt spray.
• Direct sunlight (Avoid using outdoors).
• Corrosive gases (e.g. sulfurous gas) or liquids.
• Dust or metallic particles in the air.
• Physical shock, vibration.
• Magnetic noise. (Example: welding machines, power devices, etc.).
• High humidity.
• Radioactive substances.
• Combustibles: thinner, solvents, etc.
POWER SUPPLY AND
ELECTRICAL CONNECTIONS
Follow the power supply and electrical connections under the
Installation Instructions of the hoist manual. Hoists supplied with
the Electromotive adjustable frequency drives are to be connected
to 220 volt - 3 phase - 50 hertz, 208-240 volt - 3 phase - 60 hertz,
380-415 volt - 3 phase - 50 hertz or 440-480 volt - 3 phase - 60
hertz power supply. Before connecting the hoist to the power supply,
check that the power to be used agrees with that shown on the hoist
identification plate. Hoists with drives are
not dual voltage.
The hoist should be connected to a branch circuit which complies
with the requirements of the National Electrical Code and applicable
local codes.
It is recommended that a line of adequate capacity be run directly
from the power supply to the hoist to prevent having problems with
low voltage and circuit overloads.
The hoist must be supplied with adequate electrical power in order to
operate properly. For proper operation, the voltage, (measured at the
end of the standard power cord with the hoist operating in the
£
(UP)
direction with full load) must be as indicated in the following table:
NOMINAL POWER SUPPLY
MINIMUM RUNNING VOLTAGE
230-3-60
200
460-3-60
415
220-3-50
200
380-3-50
365
415-3-50
399
Signs of inadequate electrical power (low voltage) are:
• Noisy hoist operations due to brake chattering.
• Dimming of lights or slowing of motors connected to
the same circuit.
• Heating of the hoist motor and other internal components
as well as heating of the wires and connectors in the circuit
feeding the hoists.
• Failure of the hoist to lift the load due to motor stalling.
• Blowing of fuses or tripping of circuit breakers.
To avoid these low voltage problems, the hoist must be connected
to an electrical power supply system that complies with the
National Electric Code and applicable local codes. This system
must be sized based on the full load current of the hoist and it
must have a disconnecting means, overcurrent protection (slow
blow fuses or inverse-time type circuit breakers) and provisions
for grounding the hoist.
For grounding of the hoist, the power cord includes a grounding
conductor (green wire). Furthermore, the suspension system on
which the hoist is mounted must also be permanently grounded.
Failure to properly ground the hoist presents the danger of
electric shock.
tO aVOiD inJURY:
Permanently ground the hoist as instructed in this manual.
Low voltage can also be caused by using an undersize extension
cord to supply power to the hoist. Refer to the hoist manual to
determine the size of the wires in the extension cord.
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