Industry updates, technical guides, compressor troubleshooting, and practical content for refrigeration professionals.
210 published articles
The heating and cooling industry together with the sector of cold storage and temperature-controlled logistics, invite the governments of the EU Member States to consider their services and production sites crucial for citizens' health during crisis.
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Updating the so-called "Code of Fire Prevention" (CPI).
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Electrical faults in refrigeration compressors are for the most part caused by: Power failure on one of the phases of a three-phase motor, too low voltage, defective winding, abnormal overheating, rotor friction against the stator
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Metal fragments resulting from a mechanical accident can fit into the motor windings and
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In the presence of a burnt engine of a compressor, maintenance technicians generally consider that the cause must be sought in the engine itself or in the electrical components
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Certain chemicals, welding residues, etc.., can, in the presence of air, trigger chemical reactions and destroy oil molecules.
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Humidity is one of the main contaminants that are generally found in a refrigeration circuit.
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The main causes of excessive heating of a compressor can be the following: a very high compression ratio (low suction pressure and high discharge pressure), a low refrigerant charge, an operation below the permitted capacity reduction limits.
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Excessive heating of the compressor leads to a decrease in the viscosity of the oil and one
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Lowering the oil level in the cup of a compressor causes a lack of lubrication and of cooling, which results in an abnormal increase in operating temperature, in the seizure of bearings and in the connecting rod block
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The migration of the refrigerant into a non-functioning refrigeration system is one of the main causes of oil dilution.
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The most common problems regarding lubrication are: oil dilution, lowering of oil level and loss of viscosity due to excessive heating of the compressor. Oil dilution is certainly the most common problem in refrigeration systems.
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