Heat Controller HFC Refrigerant R410a Application & Service Manual
Refrigerant used in geomax2 geothermal heat pump systems
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Also See for HFC Refrigerant R410a:
- Installation, operation & maintenance manual (32 pages) ,
- Owner's manual (12 pages) ,
- Owner's manual (12 pages)
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Summary of Contents for Heat Controller HFC Refrigerant R410a
- Page 1 APPLICATION & SERVICE GUIDE HFC Refrigerant R410a Used In GeoMax2 Geothermal Heat Pump Systems...
- Page 2 R410a Application and Service Guide Although the bulk of this manual is information utilize a more traditional table with only one pressure regarding R410a, R407c will also be discussed for column as shown in Table 2. purposes of comparison and since it is one of the so- called new refrigerants.
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Page 3: Filter Driers
R410a Application and Service Guide moisture VERY easily. For this reason any compressor Table 2. R410a Pressure/Temperature Chart using POE oil should only be exposed to ambient air for short periods of time during manufacture or service. See R410a the service section of this manual for more information. Temperature Temperature Pressure... -
Page 4: Service Tools
R410a Application and Service Guide Figure 1. PPM of Water Absorbed Over Time used in R410a systems. Older R22 leak detectors and Ha- lide torch leak detectors can not be used in R410a service. NEVER use a mixture of air and R410a to leak check. The mixture may become fl ammable at pressures above POE: Continues to absorb moisture amtospheric. - Page 5 R410a Application and Service Guide • 35% annual leak rate of commercial and industrial Evacuation refrigeration Heat Controller recommends two evacuation methods, the • 15% annual leak rate comfort cooling chillers and deep vacuum method and the “Triple Vac” method. all other equipment...
- Page 6 R410a Application and Service Guide An overcharged TXV unit can be identifi ed by: • A throttling valve (Figure 3) to ensure the liquid vaporizes as it enters the suction line of the unit. • High subcooling • Τhe gauge set valve as a throttling device to restrict •...
- Page 7 R410a Application and Service Guide 5. Operate system for 10 hours. Monitor pressure 4. Measure the suction line temperature just prior to drop across filter driers. If pressure drop exceeds 3 psi entering the compressor. replace driers. Be sure to purge system with dry 5.
- Page 8 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 confi ned spaces. • R410a has a much higher pressure (+60%) associated with its operation.
- Page 9 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...