• 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