Systematic troubleshooting using a system check sheet is still the best method for the conscientious service technician to pinpoint hard-to-find system problems. This article explores how evaporators can become oil logged, and includes symptoms with explanations of a system with an oil-logged evaporator.
An effective means of building any refrigeration contracting business is to sell maintenance agreements. Maintenance agreements help to build a strong customer base and even out the workload throughout the year. Is there something else they do for a contractor?
I just spent several days in Kansas City, Mo., for the annual SkillsUSA National Leadership and Skills Conference. Once out of the heat and humidity and inside air conditioned Bartle Hall for the HVACR contest, I found, as usual, lots of attention given to refrigeration.
As the number and diversity of refrigerant products on the market continues to grow, the occurrence of refrigerant mixing or contamination becomes more likely. In many cases, the contamination of recovered refrigerant is avoidable if a few best practices are followed during service and recovery.
DuPont Refrigerants announced on June 11 that it had completed a five-year effort to achieve the shutdown of a suspected trader of counterfeit refrigerants in the United Arab Emirates (U.A.E.). In a statement, the company said the trader’s activities were linked to gases found in Egypt, Saudi Arabia, and Jordan.
When an eastern Ohio food processor sought to curb exorbitant energy losses and icing maintenance costs at its cold storage freezer doorway, industrial door equipment dealer Fairborn Equipment Co. of Ohio solved the green challenge with a customized air curtain installation.
On June 1, the U.S Environmental Protection Agency (EPA) announced the release of its draft Integrated Risk Information System (IRIS) health assessment for ammonia. The draft assessment was available for public comment for 60 days and will be sent for independent expert peer review.
The Centinel™ Intelligent Defrost Control is an option with each of the company’s system arrangements. It is an electronically operated evaporator controller designed to save energy throughout the refrigeration cycle, help protect the equipment, and help protect the system owner’s product.
What do a smart compressor, an indoor/outdoor undercounter refrigerator, and a reach-in refrigerator case have in common? All three are winners in The NEWS’ ninth annual Dealer Design Awards’ Refrigeration & Ice Machines category.
The Centinel™ Intelligent Defrost Control is an option with each of the company’s system arrangements. It is an electronically operated evaporator controller designed to save energy throughout the refrigeration cycle, help protect the equipment, and help protect the system owner’s valuable product.