Automatically removes Oil, Acid and Moisture from Centrifugal Chiller's refrigerant charge. However , its MAIN PURPOSE is to remove OIL and AUTOMATICALLY RETURN IT to the chiller's oil sump where it belongs.

Typically Pays for itself in just 3 to 4 months!

* Keeps saving energy cost even after it pays for itself
* Typically removes oil from refrigerant charge in approximately one month ( 500 lbs. Chiller refrigerant charge containing 12% oil by weight)
* Restores Chiller to peak operating capacity
* Once refrigerant cleaned, maintains system oil free
* Operates 24 hours a day whether chiller is on or off
* Totally automatic
* Easy to install
* Refrigerant charge does not have to be "pulled" to install
* Reduces maintenance and helps prevent premature failure

The Purger is a totally passive device that operates independently of and has no effect on chiller operation, operation is accomplished without an ejector pump, via a unique patent process utilizing gravity, heat and pressure exclusively to function. NOTE: chiller charges 1500 - 3000 lbs or greater, outdoor and or non-environmentally controlled installation areas, or specialty industrial applications may be interested in the Industrial Version of Purger. Please contact us concerning feasibility of any particular chiller application.

Trane also has studied the effects of oil on chiller efficiency, which led to the company's development of a new oil-free chiller: According to the manufacturer, the oil necessary to lubricate other chillers has the potential to contaminate the refrigerant, degrading energy efficiency. CFC chiller designs typically allow oil absorption of 3 to 7 percent, increasing operating costs by up to 15 percent, Trane claims.
Oil, as a contaminant, significantly impacts chiller efficiency. The more that oil contaminates the refrigerant, the more efficiency is lost and the more money is spent on energy. If the refrigerant charge in a chiller contains even 3.5 percent oil, it could mean up to an 8 percent loss in efficiency, which will impact operating cost, Trane states.

Solutions to Oil's impact

Figures provided by Trane support the findings in an additional ASHRE Study titled, " ASHRE Research Project 601 - TRP". In this study, refrigerant samples were taken from 10 operating chillers and analyzed for oil content. All contained excess oil in varying amounts from 3 percent (enough to degrade performance) to 23 percent.
Trane calculated the impact of excess oil on a 1,000-ton chiller operating at 2,000 equivalent full-load operating hours at 8 cents per kwh, $15 per kwh demand and 0.576 kwh/ton. An 8 percent impact on annual cost of operation would be $11,520.
This increased energy consumption drastically increases a chiller owner's electric bill. In addition, the system is losing a significant amount of capacity, and a harder working system increases its potential for breakdown.

Recent studies have identified excess oil on the refrigerant side of a chiller as a major contributor to reduced chiller performance. And the problem is more widespread than previously thought.
In one study, ASHRE Research Project 601 - TRP, samples of refrigerant 10 operating chillers were analyzed for oil content. All of the chillers were found to contain excess oil in varying amounts.
The three with the lowest levels had been services and had their refrigerant recycled in the last six years, but the amount of oil present was enough to significantly degrade performance.
Chiller manufactures recommend levels no higher than 0.5%. Excess oil in the three chillers ranged from 3% to 7% and in the other seven chillers, from 9% to more than 20%.
Large amounts of excess oil on the refrigerant side is not uncommon. Although an oil accumulation of more than 20% seems unlikely, it happens more often than people would think.

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