Copeland Models LA Reciprocating Compressors - Semi-Hermetic
Copeland Models LA Reciprocating Compressors - Semi-Hermetic
SKU:COM-380bb8
High-performance Copeland LA Reciprocating Compressors with 775.0 CFH at 1750 RPM and 3 HP for reliable and efficient operation.
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Copeland Models LA Reciprocating Compressors - Semi-Hermetic
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The Copeland Models LA Reciprocating Compressors offer superior performance with a CFH of 775.0 at 1750 RPM and 3 HP. Weighing 225 lb, these compressors, catalog number CPE835, ensure reliable system operation through advanced evacuation and dehydration procedures. Designed with system cleanliness in mind, they prevent mechanical and electrical failures due to contaminants. Evacuation to 800 microns removes air and moisture, safeguarding the system from elevated temperatures and corrosive acids, ensuring long-lasting performance and durability.
Product Specifications
Evacuation Procedure 0
System Cleanliness System cleanliness is one of the most important factors that affect system and compressor reliability. System contamination can cause both mechanical and electrical failures. There are several sources ofsystem contamination. Some of these are: Copper oxides from system refrigerant piping brazing. Refrigerant piping chips and burrs and brazing flux. Processing residue and metal chips from evaporators and condensers. Metal chips and wire brush strands from processing of other system components. Contamination in refrigeration tubing which is left uncapped during assembly. Moisture and air. In addition, field erected systems are subject to all the dirt and system contamination of the typical jobsite. It is recommended that a suction line filter be installed in the system to prevent contaminants form entering the compressor ; Evacuation and Dehydration For the refrigeration system to work property, it must be free of air and moisture. The process by which air and moisture are removed is known as evacuation and dehydration. Moisture and air are harmful to the system because they increase the condensing temperature, raise the discharge gas temperature, cause oil breakdown and the formation of acids. Acids are corrosive to the components in the refrigeration system, including the piping, refrigerant specialties, and the which can cause mechanical failure of the compressor.The recommended method for evacuation and dehydration is to evacuate the system from both the gigh and low sides to 800 microns or less. To establish that the unit is leakfree and moisture-free, a standing vacuum test is recommended. The maximum allowable rise over a 15 minute period is 200 microns. If the Hse exceeds this, either there is still moisture in teh system or a leak is present in the system See Chart 1.CAUTIONNEVER USE OXYGEN OR ACETYLENE IN PLACE OF REFRIGERANT AND DRY NITROGEN FOR LEAK TESTING. A VIOLENT EXPLOSION MAY RESULT, CAUSING PERSONAL INJURY OR DEATH.ALWAYS USE A PRESSURE REGULATOR WHEN USING NITROGEN TO PRESSURE TEST. FAILURE TO DO SO WILL RESULT IN EXTREMELY HIGH PRESSURE WHICH COULD EXCEED THE BURST PRESSURE OF TEH COMPRESSOR OR OTHER SYSTEM COMPONENTS AND RESULT IN PERSONAL INJURY OR DEATH.FOR SHELF STORAGE EVAC. TO 250 MICRONS
Specifications Catalog Number
CPE835
Specifications Cfh At 1750 Rpm
775.0
Specifications Horsepower
3
Specifications Weight
225 lb