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• COMPONENT SELECTIONCOMPONENT SELECTION
• PUTTING THE PARTS TOGETHER PUTTING THE PARTS TOGETHER (SOLDERING)(SOLDERING)
• MAINTENANCE AND REPAIRMAINTENANCE AND REPAIR
• SUMMARY, CRITIQUE, QUESTIONSSUMMARY, CRITIQUE, QUESTIONS
Component SelectionComponent Selection
• Heat is a problemHeat is a problem
• Corrosion is a problemCorrosion is a problem
• UV is a problemUV is a problem
• Most plastics are a problemMost plastics are a problem
PumpsPumps
• Match the pump to the jobMatch the pump to the job
• Match the type of pump to the jobMatch the type of pump to the job
Circulator Pump HeadCirculator Pump Head
• Pump Head = 2.31 feet per PSIPump Head = 2.31 feet per PSI
• Drainback systems need high head pumpsDrainback systems need high head pumps
• Closed loop systems do notClosed loop systems do not
• Open loop systems need bronze, stainless Open loop systems need bronze, stainless or plastic impeller housingsor plastic impeller housings
Common Circulator PumpsCommon Circulator Pumps
• TacoTaco
• GrundfosGrundfos
• Bell & GossettBell & Gossett
• ArmstrongArmstrong
• March – DC – highest headMarch – DC – highest head
• HartellHartell
• El Sid – DC very efficientEl Sid – DC very efficient
Pump OrientationPump Orientation
Vertical Recommended
HorizontalOK
Causes bearingfailure
Pump PlacementPump Placement
Taco Pump HeadTaco Pump Head
• Taco 006 – 9 ftTaco 006 – 9 ft
• Taco 008 – 16 ftTaco 008 – 16 ft
• Taco 009 – 33 ftTaco 009 – 33 ft
• Taco 0011 – 30 ft – high flowTaco 0011 – 30 ft – high flow
Taco Pump HeadTaco Pump Head
Solar Workhorse Pumps - ACSolar Workhorse Pumps - AC
• Grundfos 15-42 F or S, Taco 008 F or Grundfos 15-42 F or S, Taco 008 F or B for collector loops – direct pump or B for collector loops – direct pump or closed loop antifreezeclosed loop antifreeze
• Grundfos 15-18 S or Taco 006 B for Grundfos 15-18 S or Taco 006 B for DHWDHW
• Grundfos 26-96 F or B, Taco 009 F or Grundfos 26-96 F or B, Taco 009 F or B for Drainback systemsB for Drainback systems
DC Pumps for Solar systemsDC Pumps for Solar systems
• Collector loopsCollector loops
• March 809 or El Sid PV 10March 809 or El Sid PV 10
• Larger systems – more that 2 -3 Larger systems – more that 2 -3 collectorscollectors
• March 809 HS, El SidMarch 809 HS, El Sid
Pump EquivalentsPump Equivalents
• Taco 006 – Hartell MD3 IU – March 009 Taco 006 – Hartell MD3 IU – March 009 12 VDC12 VDC
• Taco 008 – Grundfos 15-42 – March 009 Taco 008 – Grundfos 15-42 – March 009 HS 12 VDCHS 12 VDC
• Taco 009 – Grundfos 26-96Taco 009 – Grundfos 26-96
Heat ExchangersHeat Exchangers
• One PassOne Pass
• Internal unpressurizedInternal unpressurized
• External double wallExternal double wall
• WraparoundWraparound
• Internal pressurizedInternal pressurized
Tank ConstructionTank Construction
• Steel (with liner)Steel (with liner)
• Stainless SteelStainless Steel
• PolypropylenePolypropylene
• Fiberglass (with poly liner)Fiberglass (with poly liner)
Solar Storage TanksSolar Storage Tanks
Solar Storage TanksSolar Storage TanksMost common 80 & 120 Gal.Most common 80 & 120 Gal.
Solar Storage Tanks - Solar Storage Tanks - RheemRheem
Solar Storage Tanks - Solar Storage Tanks - RheemRheem
Solar Storage TanksSolar Storage TanksStiebel-EltronStiebel-Eltron
Putting the parts togetherPutting the parts together
• Controls and wiringControls and wiring
• Roof workRoof work
• Soldering pipeSoldering pipe
ControlsControls
• Differential ControlsDifferential Controls
• AquastatsAquastats
• Thermostats (line voltage and low Thermostats (line voltage and low voltage)voltage)
• RelaysRelays
• BimetalsBimetals
ControlsControls
ControlsControls
ControlsControls
Roof WorkRoof Work
• Collector Mounts to JoistsCollector Mounts to Joists
• Seal with plastic roof cement or Seal with plastic roof cement or silicone caulksilicone caulk
• Insulate piping and duct work and Insulate piping and duct work and weatherproofweatherproof
Roof PenetrationsRoof Penetrations
• Roof jacks (flashing)Roof jacks (flashing)
• Collector mountsCollector mounts
Extreme wind mountingExtreme wind mounting
PipingPiping
• Copper tubingCopper tubing
• Galvanized SteelGalvanized Steel
• IronIron
• PEX – max 180 degreesPEX – max 180 degrees
SolderingSoldering
• Clean the copperClean the copper
• Flux the copperFlux the copper
• Heat the fittingHeat the fitting
• Apply solder to the tubingApply solder to the tubing
• Don’t disturb the joint while coolingDon’t disturb the joint while cooling
InsulationInsulation
• High heat pipe and duct insulationHigh heat pipe and duct insulation
• Closed cell black rubatex, armaflex Closed cell black rubatex, armaflex or halstead tubingor halstead tubing
• FiberglassFiberglass
Common valves and uses
MaintenanceMaintenance
• Drainback water levelDrainback water level
• Glycol conditionGlycol condition
• Feel the pipesFeel the pipes
• Observe any monitoring systemsObserve any monitoring systems
SummarySummary
• Understanding the best value Understanding the best value systems for any given area and systems for any given area and applicationapplication
• Plumbing skillsPlumbing skills
• ControlsControls
• Knowledge of equipmentKnowledge of equipment
• Safety and codesSafety and codes
NEXT – COMMERCIALNEXT – COMMERCIALAND OVER TEMP AND OVER TEMP
SOLUTIONSSOLUTIONS