Compressors

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For maximum efficiency, a bank of compressors should be connected to evaporators operating at similar temperatures. From an operational standpoint, cases of different evaporating temperatures can be connected to the rack; however, this causes a substantial energy loss.

If hydrofluorocarbons (HFCs) are to have long-term viability, the low-global warming potential (GWP) versions will have to separate themselves from high-GWP types. And the survivors will have to play their part in energy efficiencies, especially in commercial buildings.

Emerson Climate Technologies announced that on-the-go HVACR professionals now have access to its Online Product Information (OPI) database for Copeland™ compressors from a mobile app.

All frost means is the suction line or compressor is below freezing, and the moisture in the air has reached its dew point temperature and condensed. 

The NEWS honors the 2014 Dealer Design Award winners in the Components and Accessories category.

Often, compressors in the refrigeration and air conditioning fields have forced oiling systems. Here is a look at some of those oil pumps.

Bitzer said the problem has particularly been troublesome in Asia, as counterfeiters are going so far as to copy the company’s catalog data. 

The latest generation of 2-5 ton Copeland Scroll™ variable-speed compressor and motor control drive enables system manufacturers to achieve 25-plus SEER and 13-plus HSPF, the company said.

Available with a capacity range of 100-450 tons of refrigeration (TR), the ammonia compressor packs (ACP) are a range of compressor units designed for use with refrigerant R-717. 

Because the recommendation is only for end-of-life replacement, the hope is that implementing this technology will result in a gradual greening of chillers across GSA’s facilities.