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

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

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

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

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

8. Pump Orientation Vertical Recommended Horizontal OK Causes bearing failure

9. Pump Placement

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

14. Taco Pump Head

15. 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 15-42 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 15-18 S or Taco 006 B for DHW Grundfos 26-96 F or B, Taco 009 F or B for Drainback systems Grundfos 26-96 F or B, Taco 009 F or B for Drainback systems

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

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

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

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

26. Solar Storage Tanks

27. Solar Storage Tanks Most common 80 & 120 Gal.

28. Solar Storage Tanks - Rheem

30. Solar Storage Tanks Stiebel-Eltron

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

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

39. Controls

40. Controls

41. Controls

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

43. Roof Penetrations Roof jacks (flashing) Roof jacks (flashing) Collector mounts Collector mounts

47. Extreme wind mounting

63. Piping Copper tubing Copper tubing Galvanized Steel Galvanized Steel Iron Iron PEX – max 180 degrees PEX – max 180 degrees

64. Soldering Clean the copper Clean the copper Flux the copper Flux the copper Heat the fitting Heat the fitting Apply solder to the tubing Apply solder to the tubing Don’t disturb the joint while cooling Don’t disturb the joint while cooling

72. Insulation High heat pipe and duct insulation High heat pipe and duct insulation Closed cell black rubatex, armaflex or halstead tubing Closed cell black rubatex, armaflex or halstead tubing Fiberglass Fiberglass

75. Common valves and uses

80. Maintenance Drainback water level Drainback water level Glycol condition Glycol condition Feel the pipes Feel the pipes Observe any monitoring systems Observe any monitoring systems

82. Summary Understanding the best value systems for any given area and application Understanding the best value systems for any given area and application Plumbing skills Plumbing skills Controls Controls Knowledge of equipment Knowledge of equipment Safety and codes Safety and codes

83. NEXT – COMMERCIAL AND OVER TEMP SOLUTIONS