Section 1
General Information
General Information 1
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1
MN427
Overview
This manual contains general procedures that apply to Baldor
S
Reliance Cooling Tower PM Motor products.
Be sure to read and understand the Safety Notice statements in this manual. For your protection, do not
install, operate or attempt to perform maintenance procedures until you understand the
Warning and
Caution
statements.
A
Warning
statement indicates a possible unsafe condition that can cause harm to personnel.
A
Caution
statement indicates a condition that can cause damage to equipment.
Important:
This instruction manual is not intended to include a comprehensive listing of all details for all
procedures required for installation, operation and maintenance. This manual describes general
guidelines that apply to most of the motor products shipped by Baldor. If you have a question
about a procedure or are uncertain about any detail, Do Not Proceed.
Please contact your Baldor District office for more information or clarification.
Before you install, operate or perform maintenance, become familiar with the following if applicable to
your area:
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NEMA Publication MG-2, Safety Standard for Construction and guide
for Selection, Installation and Use of Electric Motors and Generators.
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IEC 34
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1 Electrical and IEC72
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1 Mechanical specifications
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ANSI C51.5, the National Electrical Code (NEC) and local codes and practices.
Limited Warranty
www.baldor.com/support/warranty_standard.as
Safety Notice
:
This equipment contains high voltage! Electrical shock can cause serious or fatal injury.
Only qualified personnel should attempt installation, operation and maintenance of electrical equipment.
Be sure that you are completely familiar with NEMA publication MG-2, safety standards for construction and
guide for selection, installation and use of electric motors and generators, the National Electrical Code and
local codes and practices. Unsafe installation or use can cause conditions that lead to serious or fatal injury.
Only qualified personnel should attempt the installation, operation and maintenance of this equipment.
WARNING:
Do not touch electrical connections before you first ensure that power has been disconnected.
Electrical shock can cause serious or fatal injury. Only qualified personnel should attempt the
installation, operation and maintenance of this equipment.
WARNING:
Disconnect all electrical power from the motor windings and accessory devices before
disassembly of the motor. Electrical shock can cause serious or fatal injury.
WARNING:
The Adjustable Speed Controller may apply hazardous voltages to the motor leads after power to
the controller has been turned off. Verify that the controller is incapable of delivering hazardous
voltages and that the voltage at the motor leads is zero before proceeding. Failure to observe this
precaution may result in severe bodily injury or death.
WARNING:
Be sure the system is properly grounded before applying power. Do not apply AC power before
you ensure that all grounding instructions have been followed. Electrical shock can cause
serious or fatal injury. National Electrical Code and Local codes must be carefully followed.
WARNING:
Avoid extended exposure to machinery with high noise levels. Be sure to wear ear protective
devices to reduce harmful effects to your hearing.
WARNING:
Surface temperatures of motor enclosures may reach temperatures which can cause discomfort
or injury to personnel accidentally coming into contact with hot surfaces. When installing,
protection should be provided by the user to protect against accidental contact with hot surfaces.
Failure to observe this precaution could result in bodily injury.
WARNING:
This equipment may be connected to other machinery that has rotating parts or parts that are
driven by this equipment. Improper use can cause serious or fatal injury. Only qualified
personnel should attempt to install operate or maintain this equipment.
WARNING:
Do not by-pass or disable protective devices or safety guards. Safety features are designed to
prevent damage to personnel or equipment. These devices can only provide protection if they
remain operative.
WARNING:
Avoid the use of automatic reset devices if the automatic restarting of equipment can be
hazardous to personnel or equipment.
WARNING:
Be sure the load is properly coupled to the motor shaft before applying power. The shaft key
must be fully captive by the load device. Improper coupling can cause harm to personnel or
equipment if the load decouples from the shaft during operation.
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