Bradford White S-SW2-115R6DS User Manual

A Fundamental Review of Solar Thermal SystemsInstallation, Sizing and Benefits of a Bradford White Solar Thermal Water HeaterBradford White Solar Ther

Heat Exchange Coil•Vitraglas® lined, 1 ½” O.D. carbon steel coil.•Single Wall provides greater heat transfer.•Double Wall provides additional protecti

• 1” NPT female fittings on single wall• ¾” NPT female fitting on double wall• The coil has a heat transfer area of 14.2 sq ft• Stored water volume of

Heat Exchange CoilSingle WallDouble Wall

Double Wall Heat Exchange Coil

Head Loss• Head loss due to friction of water flowing in a pipe is determined in feet of head. As water moves through pipe and fittings, it loses ene

Heat Exchanger Pressure Drop Curve0.001.002.003.004.005.006.007.000 1 2 3 4 5 6 7 8 9 10 11 12 13 14Flowrate (GPM)Total Pressure Drop (PSID)0.002.004.

Integrated Mixing Device Features:• Push to turn hand wheel prevents accidental temperature change.• Included thermo-strip to approximate outlet water

Integrated Mixing Device*Mixed Hot Water Outlet½” NPT Un-Mixed Hot Water Outlet½” NPT Recirculation Inlet¼” NPT Cold Water OutletCold Water Inlet*ASSE

Push to Turn Hand Wheel100°F to 145ºF Temperature RangeGraduation marks to allow easy adjustment. Each increment is 5ºF. Arrow is approximately 120°

Solar Saver® Electric Backup (Open Loop)

• The sun’s rays hits a solar collector, heating the fluid inside. • The heated fluid in the collector passes through a heat exchanger, which transfe

• Models available– No heat exchanger; potable water is circulated through the solar collector. Suitable for frost free locations.• Single (upper) he

Model NumberUS GalFirst Hour Delivery Single ElementsFloor to Heater TopJacket Dia. Shipping Weight MS65R6SS 65 46 gl. 59" 22"168 lbs

EcoStor™ Electric Backup

• Models available– Single Wall Heat Exchanger for increased performance–Double Wall Heat Exchanger for additional protection between the heating flui

Model NumberUS GalFirst Hour Delivery Single ElementsFirst Hour Delivery Dual ElementsFloor to Heater TopJacket Dia. Shipping Weight S-SW2-60R6

Model NumberUS GalFirst Hour Delivery Single ElementsFirst Hour Delivery Dual ElementsFloor to Heater TopJacket Dia. Shipping Weight S-DW2-60R6

EcoStor™ Heat Exchanger Backup

• Models available– Single Wall Upper Heat Exchanger–Double Wall Lower Heat Exchanger• Dual Heat Exchanger Design– Can be connected to a variety of di

Solar Thermal

Model NumberUS GalFloor to Heater TopJacket Dia. Shipping Weight S-DC-DW2-55R6SW 55 62 3/4" 22"282 lbs.S-DC-DW2-70R6SW 70 62 3/4"

– One way of expressing the thermal performance of a solar system is by stating the percentage of the load met by solar energy on a month-by-month bas

Dual Heat Exchanger Connections

EcoStor2™ Gas BackupAtmospheric Vent

• Models Available – Natural Gas or Propane Gas – Atmospheric Vent– Double Wall Heat Exchanger–61,000 – 76,000 BTU/hr. input range• Honeywell Self Di

Model NumberUS GalNat & LP BTU/hr InputFloor to Vent Conn. Jacket Dia. Vent Shipping Weight S-DW2-504T6FBN 45 65,000/61,000

EcoStor2™ Gas BackupPower Vent

• Models Available – Natural Gas or Propane Gas – Power Vent (3” or 4” PVC, CPVC, ABS)– Double Wall Heat Exchanger– 60,000 – 76,000 BTU/hr. input ran

Model NumberUS GalNat & LP BTU/hr InputFloor to Vent Conn. Jacket Dia. Vent Shipping Weight S-DW2-TW-50T6FBN 45 67,000/60,00

EcoStor2™ Gas BackupAtmospheric Vent Ultra Low NOx

• Models Available – Natural Gas Only– Atmospheric Vent– Double Wall Heat Exchanger– 40,000 – 55,000 BTU/hr. input range– Ultra Low NOx radiant burne

Model NumberUS GalNat BTU/hr InputFloor to Vent Conn. Jacket Dia. Vent Shipping Weight S-DW4-U5036FRN 45 40,000 59 1/4" 22&

System Types• Active is when a circulator pushes the fluid.• Passive is when water temperature difference moves the water. Hot water rises/cold water

• Determine the Daily Hot Water Demand (Gal.)– If unknown, estimate 30 gallons per person per day.– Determine typical inlet water temperature (°F) and

• Flat panel – (Btu/day/1,000) x 1.1 = ft.2of area.– More efficient in warmer climate/summer. • Evacuated Tube – (Btu/day/1,000) x 1.3 = ft.2of area.–

Questions?

Open Loop System

Closed Loop System

Solar Rating• The Solar Rating and Certification Corporation (SRCC) was provides independent testing, rating and certification of active solar collect

OG-300 Certification• Standard OG-300 combines the physical testing of collectors and all major components in a solar water-heating system proposed fo

• Storage Tank– Stores and delivers heated potable water.• Collectors– Flat Panel; more efficient in warmer climates– Evacuated Tube; more efficient i