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Geothermal Alliance of Illinois

Enhance the efficiency of residential and commercial geothermal systems by cleaning and maintaining earth loops using Fernox products. Learn how to test, treat, and revitalize systems to reduce costs, prevent breakdowns, and comply with standards.

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Geothermal Alliance of Illinois

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  1. Geothermal Alliance of Illinois FERNOX CLEANING UP DIRTY EARTH LOOP FIXING PROBLEM LOOP FIELDS

  2. CLEANING UP DIRTY EARTH LOOPFIXING PROBLEM LOOP FIELDS • WHAT DO I NEED • METHODS • TREATMENT

  3. Systems Treated Residential & Commercial • Closed Loop Heating & Chilled • Solar Thermal • Ground Source Heating • Geo Systems • Air Source Heating 4

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  5. Allow system to run for ~30 minutes to allow all the sludge to circulate. Take a minimum 8 oz. (250ml) sample. Clear = Awesome! Brown = Magnetite present - power flush recommended Black = Excessive magnetite present – power flush!

  6. Water quality and issues

  7. Scale (calcium carbonate) Buildup due to excessively hard water

  8. Magnetite Effects

  9. CLEANING UP DIRTY EARTH LOOPFIXING PROBLEM LOOP FIELDS • WHERE DO I START • TEST SYSTEM ON SITE • WHAT DO I NEED • METHODS • TREATMENT

  10. CLEANING UP DIRTY EARTH LOOPFIXING PROBLEM LOOP FIELDS • TEST SYSTEM ON SITE pH , Hardness, Debris, Metals, Chlorides Ammonia Is there any inhibitor present

  11. TESTING A SYSTEM • WHAT ARE KEY PARAMETERS ? • pH WINDOW 7.0 TO 8.3 • HARDNESS BELOW 5-7 GRAINS • IRON LEVELS BELOW 3 PPM • COPPER LEVEL BELOW 3 PPM • AMMONIA LESS THAN .5 ppm FERNOX WATER TEST KIT

  12. Fernox F3 or F5 Cleaner for New System Install or Existing systems • Cleaning new systems at Install or existing systems. • Neutral universal non acid cleaner • Min 2 hours up to 10 days. • Remove flux residues and installation debris. OK to dump to septic systems. • Non-acidic and non-hazardous. • Compatible with all metals and materials. ALUMINUM included

  13. FERNOX MK4 Cleaner

  14. Magnetite Sludge Removal

  15. Cleaning

  16. The benefits of water treatment • Improve/maintain system efficiency. • Prevent system breakdown. • Reduce fuel costs. • Minimize environmental impact. • Reduce call-backs. • Comply with manufacturers recommendations and requirements.

  17. FERNOX Residential & Commercial • Geo Systems • Fernox Alphi-11 or F1 inhibitor works with all metals even aluminum. • F5/F3 Cleaner can be used in Methanol and Glycol systems to remove debris. • Advantages = F1 can be used with Methanol or Ethyl Alcohol fluids. Very stable keep pH at neutral • Fernox buffers pH and suspends hardness. • No phosphates,nitrates,Potassium in Fernox • Simple on site testing kits for easyanalysys of systems and dosing. • Environmentally safe 4

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