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Excellent performance: The compressor has a scientific structure design, strictly chosen material and precise procession and it is strictly inspected. Reliable safety device: The compressor is equipped with motor protector and discharge temperature monitor to prevent the overheat of the motor and the compressor and the operation beyond approved application pressure. 2.This series product features as follows: Copeland semi-hermetic refrigerating compressor with good quality, low noise and high reliability. About product and suppliers: Alibaba.com offers 610 copeland compressor model numbers products. About 68% of these are refrigeration & heat exchange parts, 28% are other refrigeration & heat exchange equipment, and 1% are air-compressors. A wide variety of copeland compressor model numbers options are available to you, such as refrigeration compressor, air conditioner parts.
You can also choose from ce, ul. As well as from paid samples.
There are 610 copeland compressor model numbers suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of copeland compressor model numbers respectively. Copeland compressor model numbers products are most popular in Mid East, Southeast Asia, and Southern Europe. You can ensure product safety by selecting from certified suppliers, including 18 with ISO9001, 4 with ISO14001 certification.
N/A 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.
CAUTION NEVER 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.