RESOLUTION The attached article includes basic information on TEV valve: 1. Theory of operation 2. Application 3. Valve selection 4. Refrigeration system basics
TEV installation, field service and assembly
RESOLUTION Attached article provides detailed information on TEV: 1. Valve Location 2. Solder Techniques 3. Bulb Location and Installation 4. External Equalizer Connection 5. Driers, Strainers, and Accessories 6. Test Pressures and Dehydration Temperatures 7. Expansion Valve Adjustment 8. How to Determine Superheat Correctly 9. How to Change the Superheat Setting The attached article also […]
Sporlan – Using a T-P chart as a troubleshooting tool
RESOLUTION Manufacturers of refrigerants, controls, and other suppliers distribute hundreds of thousands of pressure-temperature charts to the trade every year. It would be rare indeed to find a service technician who could not put their hands on a pressure-temperature card at a minute’s notice. In spite of the widespread availability and apparent reference to the […]
Solutions for Fixing Common TEV Problems
RESOLUTION When responding to a refrigeration service call, the refrigeration technician immediately plays “problem percentages” upon arrival. Most refrigeration equipment breakdowns are repeat problems to some degree. Playing the “percentages” when responding to a service call enables the Technician to get to the root source of a problem as quickly as possible to prevent extended […]
Refrigeration Engineering Quick Reference Guide
RESOLUTION The download Refrigeration Engineering Quick Referance guide includes: 1. Thermodynamics laws. 2. Thermodynamics terms 3. Carrying capacity if refrigeration lines. 4. Refrigerant data 5. Refrigerant blends 6. Conversion factors RELATED DOCUMENTS Sprolan document # 5-162
Glycol – Adding to chiller loop
SUMMARY This article describes the steps that should be taken to add glycol to a chiller system. The article addresses some important things that must be considered in this process. SYMPTOMS There are many applications where a chillers process loop has the possibility of freezing by way of (direct or indirect) contact with cold ambient […]
Chiller System Microprocessor Programming
SUMMARY This article provides you with detailed information about chiller system microprocessor programming and review. We provide you with everything you need to know about the PSG microprocessor controller. SYMPTOMS Need to review or update the programming of chillers microprocessor controller CAUSE When adding glycol to the chiller loop or in some instances during startup […]