Instruction/ maintenance manual of the product R410A Heat Controller
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A PPLICATION & SERVICE GUIDE HFC Refrigerant R410a Used In GeoMax2 Geothermal Heat Pump Systems.
Page 2 R410a Application and Service Guide T able 1. R407c Pressur e/T emperature Chart Although the bulk of this manual is information regarding R410a, R407c will also be discussed for purposes of comparison and since it is one of the so- called new refrigerants.
Page 3 R410a Application and Service Guide Component Considerations for R410a Compressor W all thickness has increased with the increase of operat- ing pressures of R410a. The internal pressure relief valve setting has been increased from 375-450 psig for R22 to 550-625 psig for R410a.
Page 4 R410a Application and Service Guide • A vacuum pump will not adequately remove mois- ture from the POE lubricants. Use a lter drier and replace whenever the system is opened.
Page 5 R410a Application and Service Guide • 35% annual leak rate of commercial and industrial refrigeration • 15% annual leak rate comfort cooling chillers and all other equipment R407c Considerations R407c equipment for leak detection are the same as R410a.
Page 6 R410a Application and Service Guide An overcharged TXV unit can be identi ed by: • High subcooling • High head pressures Even though R410a has a very small fractionation po- tential it cannot be ignored completely when charging.
Page 7 R410a Application and Service Guide 4. Measure the suction line temperature just prior to entering the compressor . 5. Subtract the saturation temperature from the suc- tion temperature to nd the superheat. Consult T able 4 for appropriate values.
SAFETY AND HANDLING OVERVIEW ASHRAE Standard 15 details safety precautions when handling refrigerants in commercial systems and should be read and understood. Refrigerants are especially dan- gerous in con ned spaces. • R410a has a much higher pressure ( + 60%) associated with its operation .
1900 Wellworth Ave., Jackson, Michigan 49203 • Ph. 517-787-2100 • Fax 517-787-9341 THE QUALITY LEADER IN CONDITIONING AIR www.heatcontroller.com 02 /07.
An important point after buying a device Heat Controller R410A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Heat Controller R410A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Heat Controller R410A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Heat Controller R410A you will learn all the available features of the product, as well as information on its operation. The information that you get Heat Controller R410A will certainly help you make a decision on the purchase.
If you already are a holder of Heat Controller R410A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Heat Controller R410A.
However, one of the most important roles played by the user manual is to help in solving problems with Heat Controller R410A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Heat Controller R410A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
