Refrigerator Troubleshooting Diagram

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Category: Commissioning of refrigerating systems

Commissioning of refrigerating systems

Refrigerant Recovery System

Posted on November 12, 2009 by sam

Figure 115 typifies a portable refrigerant recovery unit now in use within the refrigeration industry. The compressor is an open reciprocating type, driven by a…

Commissioning of refrigerating systems

Good refrigeration practice for CFC systems

Posted on November 12, 2009 by sam

It is a well known fact that an engineer required to work on an ammonia system will be very careful not to allow undue discharges…

Commissioning of refrigerating systems

Environmental impact of CFCs

Posted on November 12, 2009 by sam

Chlorofluorocarbons (CFCs) are chemical compounds which have been developed for use as refrigerants. Their molecular structure is based on either methane or ethane; one or…

Commissioning of refrigerating systems

Refrigerator Oil Addition and Removal

Posted on November 12, 2009 by sam

When the system has been fully charged and the controls set, the equipment is operated at average evaporating conditions. The compressor oil level must then…

Commissioning of refrigerating systems

Refrigerator Commissioning Checks

Posted on November 12, 2009 by sam

When the system has been evacuated, the next step is to carry out a thorough leak test. The system may then be charged with refrigerant.…

Commissioning of refrigerating systems

Refrigerator Evacuation

Posted on November 12, 2009 by sam

It is imperative, with halogen refrigeration systems, that all traces of air, non-condensibles and moisture be removed. If this is not achieved then the presence…

Commissioning of refrigerating systems

Refrigerator Contaminants

Posted on November 12, 2009 by sam

During installation the system should be kept as clean and dry as possible, with the least exposure to air. Avoid the entry of foreign matter…

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