Articles Tagged with ''motors for HVACR''

While shortening the iBLDC™ (Intelligent Brushless DC) motors with integral four-quadrant speed controls in the 45-mm frame size by 25 percent, the new size of motor maintains the same power and torque capabilities and motor efficiencies, said the company.

Although overall standards of refrigeration maintenance remain high, at many facilities there is still room for improvement. Upgrading your company’s rotating-equipment maintenance procedures and eliminating unsound practices will help reduce the risk of failures that can lead to process shutdowns or spoilage of refrigerated product.

The split universal mounting kit version, Split uKIT, of the AEGIS® SGR bearing protection ring protects the bearings of variable-frequency drive motors from electrical damage, and allows quick and easy retrofitting of the ring on virtually any ac motor shaft without decoupling attached equipment.

Here are additional products that were exhibited at the 2012 AHR Expo, including components and software.

In this month’s troubleshooting situation, we have a customer who has called to say that their condominium has no heat. The particular equipment in this case is a thru-the-wall package unit that provides cooling in the summer and employs a natural gas system to heat the building in the winter.

Driven by variable-frequency drives, the Gen2.0 PremiumPlus+™ brushless permanent magnet motors have motor-only rated point efficiencies of 93 percent and 92 percent for 3- and 5-hp versions respectively. They are packaged in standard NEMA frame sizes and mounting dimensions for easy substitution.

When it comes to motors, drives, and variable speed technology, manufacturers keep rolling out new products designed to increase efficiency. Here are just a few of the latest offerings that contractors may want to consider.