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Hot Topics, Cool Solutions 18: Written Processes, And More

August 7, 2005
Every week somebody drops the ball and leaves something undone. It's so frustrating! We talk and you'd think they'd know what to do by now, but they don't. What can I do?
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Quick Facts: Evacuation

August 7, 2005
This article discusses the purpose of evacuating a refrigeration system and how low a vacuum is needed to properly evacuate a system.
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Motor Tips: Overload And Speed Change

August 7, 2005
This article provides tips on how to tell when a motor is overloaded and what can be done with a new replacement direct-drive fan or blower motor when little or no speed change can be detected from one connection to the next.
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A Near-Term Solution For Health Insurance Costs

July 25, 2005
A strong majority of U.S executives rate health care insurance costs as their No. 1 concern. Conditions are painful for small businesses as well as large companies. Health savings accounts (HSAs) are a way to help control these costs.
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Btu Buddy 28: A Stopped Up Condensate Line

July 22, 2005
In this installment of the Btu Buddy series, Bob's customer has a major problem with a condensate leak. Btu Buddy assists in solving the problem and suggests what to do to prevent a reoccurrence.
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Minimizing System Effect

July 22, 2005
System effect is the negative impact on fan performance that results when the fan is connected to a duct system. This article explains system effect, what causes it, and how to overcome it.
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System Pumping Efficiency More Important Than Pump Efficiency

July 9, 2005
It is an accepted fact that pumps are oversized for almost all industrial and commercial installations. The tips here illustrate simple circuit flow analysis techniques to establish methods for flow balance in existing buildings and permit a considerable reduction in pump power requirements.
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Hot Topics, Cool Solutions 17: Getting Organized, And More

July 9, 2005
I run around all day fighting one fire after another and as a small contractor I need to do everything. By the end of the day, I know I've forgotten half of what I was supposed to be doing. Any suggestions?
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Checking Indoor Airflow

July 9, 2005
Indoor airflow in any air conditioning system is critical. Too much air and the customer suffers lack of dehumidification in cooling. Too little air in cooling may freeze the coil. Here are procedures on how to measure airflow.
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Specifying Adjustable Frequency Drives For Electromagnetic Compatibility

June 25, 2005
Electromagnetic compatibility (EMC) is the ability of electrical/electronic equipment to operate in its installation environment while neither causing nor experiencing electromagnetic interference (EMI). Here is a review of EMC standards and recommendations for drives specifiers.
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