Variable-Primary Flow: Important Lessons Learned
- Using Time-of-Day Scheduling To Save Energy. Murphy, John; Maldeis, Neil // ASHRAE Journal;May2009, Vol. 51 Issue 5, p42
The article discusses the use of time-of-day scheduling in the automation of heating, ventilation and air conditioning (HVAC) systems and control energy use in buildings. It explains how this HVAC automation strategy functions as well as notes other potentials of time-of-day scheduling strategy...
- System Checklists Are Indispensable. Tomczak, John // Air Conditioning Heating & Refrigeration News;7/5/2004, Vol. 222 Issue 10, p13
Looks into how evaporators can become oil-logged. Examples of a system with an oil-logged evaporator; Symptoms and problems of a refrigeration system; System checklist for an oil-logged evaporator.
- Servicing, Troubleshooting CPRs. Marchese, Joe // Air Conditioning Heating & Refrigeration News;7/5/2004, Vol. 222 Issue 10, p14
Focuses on the design of crankcase pressure regulators (CPR). Function of CPR in many low-temperature refrigeration applications such as walk-in and reach-in freezers; Need for the control set point of a CPR to be adjusted on the start-up of a new system; Guidelines to follow when installing or...
- The History of the Ice Age. Sutherland, Art // Air Conditioning Heating & Refrigeration News;07/24/2000, Vol. 210 Issue 13, p20
Focuses on the history of refrigeration. Preservation of food; Commercial importance of refrigeration in the early 18th century; Aggressive research for the development of mechanical refrigeration systems in 1890.
- Chiller Installation: Getting It Right. // Process Cooling & Equipment;Jan2005, p49
Presents tips and techniques on the correct way of installing chillers. Selection of the location; Maximization of the airflow and piping runs; Process pump; Application of glycol and additives.
- Iceman Central Chillers From Mokon Deliver Reliable Process Cooling. // Process Cooling & Equipment;Jan2005, p40
Focuses the Mokon's line of Iceman Central Chillers that provides efficient, reliable, centralized process cooling to keep machinery working at peak performance. Design construction and specification; Features; Corporate profile.
- A Portable, Cryogen-Free Ultra-Low Temperature Cooling System Using a Continuous ADR. Shirron, P. J.; Dipirro, M. J.; Jirmanus, M.; Zhao, Z.; Shields, B. // AIP Conference Proceedings;2004, Vol. 710 Issue 1, p1746
We have recently assembled a 4-stage continuous adiabatic demagnetization refrigerator (CADR) that provides continuous cooling at 50 mK and below, while rejecting heat to a 4.2 K helium bath. Temperature control and cycling of the ADR is fully automated, making it simple to operate and stable....
- Keeping up with Process Chiller control Technology. King, Martin // Process Heating;Jun2013, Vol. 20 Issue 6, p16
The article discusses the author's views on the benefits of keeping up with process chiller control technology. He elaborates on the growing popularity of control technology which can advance the process cooling technologies for mechanical equipment manufacturers and users of temperature control...
- ASSOCIATION CALENDAR. // Air Conditioning Heating & Refrigeration News;1/3/2005, Vol. 224 Issue 1, p181
The article presents a month-wise list of meetings and conventions concerning refrigeration and air conditioning industry. "2005 International Air-Conditioning, Heating, Refrigerating Exposition," will be held on February 7-9, at Orlando, Florida. "Green Design Solutions Conference for Hospitals...