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COMPONENT SELECTION PUTTING THE PARTS TOGETHER (SOLDERING) MAINTENANCE AND REPAIR

COMPONENT SELECTION PUTTING THE PARTS TOGETHER (SOLDERING) MAINTENANCE AND REPAIR SUMMARY, CRITIQUE, QUESTIONS. Component Selection. Heat is a problem Corrosion is a problem UV is a problem Most plastics are a problem. Pumps. Match the pump to the job Match the type of pump to the job.

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COMPONENT SELECTION PUTTING THE PARTS TOGETHER (SOLDERING) MAINTENANCE AND REPAIR

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  1. COMPONENT SELECTION • PUTTING THE PARTS TOGETHER (SOLDERING) • MAINTENANCE AND REPAIR • SUMMARY, CRITIQUE, QUESTIONS

  2. Component Selection • Heat is a problem • Corrosion is a problem • UV is a problem • Most plastics are a problem

  3. Pumps • Match the pump to the job • Match the type of pump to the job

  4. Circulator Pump Head • Pump Head = 2.31 feet per PSI • Drainback systems need high head pumps • Closed loop systems do not • Open loop systems need bronze, stainless or plastic impeller housings

  5. Common Circulator Pumps • Taco • Grundfos • Bell & Gossett • Armstrong • March – DC – highest head • Hartell • El Sid – DC very efficient

  6. Pump Orientation Vertical Recommended Horizontal OK Causes bearing failure

  7. Pump Placement

  8. Taco Pump Head • Taco 006 – 9 ft • Taco 008 – 16 ft • Taco 009 – 33 ft • Taco 0011 – 30 ft – high flow

  9. Taco Pump Head

  10. Solar Workhorse Pumps - AC • Grundfos 15-42 F or S, Taco 008 F or B for collector loops – direct pump or closed loop antifreeze • Grundfos 15-18 S or Taco 006 B for DHW • Grundfos 26-96 F or B, Taco 009 F or B for Drainback systems

  11. DC Pumps for Solar systems • Collector loops • March 809 or El Sid PV 10 • Larger systems – more that 2 -3 collectors • March 809 HS, El Sid

  12. Pump Equivalents • Taco 006 – Hartell MD3 IU – March 009 12 VDC • Taco 008 – Grundfos 15-42 – March 009 HS 12 VDC • Taco 009 – Grundfos 26-96

  13. Heat Exchangers • One Pass • Internal unpressurized • External double wall • Wraparound • Internal pressurized

  14. Tank Construction • Steel (with liner) • Stainless Steel • Polypropylene • Fiberglass (with poly liner)

  15. Solar Storage Tanks

  16. Solar Storage TanksMost common 80 & 120 Gal.

  17. Solar Storage Tanks - Rheem

  18. Solar Storage Tanks - Rheem

  19. Solar Storage TanksStiebel-Eltron

  20. Putting the parts together • Controls and wiring • Roof work • Soldering pipe

  21. Controls • Differential Controls • Aquastats • Thermostats (line voltage and low voltage) • Relays • Bimetals

  22. Controls

  23. Controls

  24. Controls

  25. Roof Work • Collector Mounts to Joists • Seal with plastic roof cement or silicone caulk • Insulate piping and duct work and weatherproof

  26. Roof Penetrations • Roof jacks (flashing) • Collector mounts

  27. Extreme wind mounting

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