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Air Innovations of Syracuse, NY recently installed a VTech 102 Dual Refrigerant Charging machine. Air Innovations manufactures a wide range of temperature, humidity and air quality control systems for diverse OEM customers including retail, medical, military and aerospace.
“While our products are diversified, Air Innovations is by no means a small company,” said Rich Gozigian, Director of Operations. “We have aggressively pursued both internal and external growth and we see VTech as a valued partner in our efforts of continuous process and quality improvement. “
As a “niche market” company, with hands in many smaller markets, they required a single system able to process units of varying size. Air Innovations’ production lay-out is based on independent “work stations” on which virtually any of its products can be built. The VTech 102 is assembled on a self-contained roller cart holding the refrigerant tanks and can be wheeled around to work at any of the work stations. The initial goal for the new VTech charging unit was to cut-down the process time required for pre-evacuation while improving quality by means of accurate metering of the refrigerant.
The first goal was achieved thanks to VTech’s provisions for evacuation from the high and low side of the compressor. In addition, the two-stage oil sealed vacuum pump can pump down the unit to a much lower vacuum than the “service” type pumps previously used. This resulted also in a lower level of residual moisture in the refrigeration circuit ensuring a higher efficiency of the unit.
The refrigerant charging accuracy goal was achieved thanks to VTech’s proprietary precision metering system. This device, unlike any other system available on the market, relies on a series of optical targets connected via fibre- optics. The PLC computes the data coming from the flow-transducer and matches them with the process recipe stored in the memory. To our knowledge, this is the most accurate metering technology in the world, being able to guarantee accuracy of 0.3 g (0.01 oz).
With low, medium and high production models, together with the many options available, VTech is able to provide the “best fit” solution for businesses of all sizes...and shapes. | 
