Components & Accessories

Clever Compressors

Variable-Speed, Oil-Less, High-Efficiency Models Lead the Charge
By Matt Bishop
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In residential and commercial applications, compressors are doing things that previously seemed unachievable. Here are some of the most advanced compressors available today.


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HVACR Industry Adapting to POE Oils

Oil Has Favorable Impact on Compressor Performance
By Matt Bishop
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POE oil has added benefits, but it's also necessitated some changes in the HVAC industry, as it needs to be handled much differently than mineral oil.
 


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The Professor: Crankcase Heaters

Coping With Refrigerant Migration
By John Tomczyk
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Migration of refrigerant to the compressor’s crankcase during an off cycle is a serious problem, as significant compressor damage can occur if the problem is not remedied. 


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Ice Breaker: High-Pressure Switches

Troubleshooting Compressor Shutdown Controls Requires Care
By Joe Marchese
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High-pressure switches are designed to shut down a compressor if the system’s high pressure rises above an unsafe level, not allowing the compressor to restart until the pressure returns to a safe level. 


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NewAge Industries Inc.: Polyurethane Tubing

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Polyurethane tubing providing durability, natural flexibility, excellent weathering characteristics, and good chemical resistance and offered by the company are unreinforced, braid-reinforced, and a style designed for pneumatic applications, the company said. 


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Training Track: March 31, 2014

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The introductory course on motors and variable-speed drives will give participants a better understanding of motors and how they work. 


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Bitzer US Inc.: Reciprocating Compressors

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The virtually stepless capacity control (CRII) enables capacity control from 10-100 percent. 


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Thybar Corp.: Insulated Metal Building Curbs

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According to the manufacturer, advanced laser technology offers the tightest tolerances and allows for a superior weld. 


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Continental Control Systems LLC: Rogowski Coil Current Transformer

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The CTRC Rogowski coil current transformers are flexible, rope-like current sensors that can be connected around conductors. 


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RectorSeal Corp.: Mini-Split Condensate Pump Software

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For engineers, distributors, and installers, FastFind™ Pump Selector is an interactive Web-based ductless mini-split condensate-pump selection tool. 


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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

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NEWSMakers: Rajan Rajendran

Rajan Rajendran, newly appointed director of the Emerson Innovation Center, talks about the new $35 million facility and how it will function on the University of Dayton campus. Posted on Aug. 29.

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2014 August 25

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Prohibiting HFCs

EPA is proposing a rule that would prohibit some HFCs in select refrigeration applications. Do you agree with this move?
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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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