State Industries SBD85 500, SBD71 120 manual SBD Electrical Sequence

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SBD TANK TYPE HEATERS

SERVICE HANDBOOK

SBD ELECTRICAL SEQUENCE

100 – 109 Series

Technical Training Department

17

Ashland City, TN ©2003

Page 17 Page 19
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Contents SandBlaster SBD Tank Type Heaters Service Handbook SBD HandbookModel Breakdown SBD 85 500 P E a CGA D Installation Clearances from CombustiblesModel Exterior Clearance AIR for Combustion Cubic Feet of AIR PER 1,000 BTU Excess AIRMAKE-UP AIR Direct CommunicationVertical Ducts Horizontal DuctsInsufficient MAKE-UP AIR BackdraftContaminated AIR AIR for CombustionSupply Gas Manifold Pressure Tap Dirt Leg Gas Port GAS Pressure RequirementsSBD GAS Valve Venting Atmospheric, Single, and Multiple HeatersNine Rules for Good Vents Nine Rules for Good Vents Power Vent Kits for Sidewall Venting SBD Sequence of Operation Sequence of OperationSBD Electrical Sequence SBD Electrical Sequence of Operation Troubleshooting SBD Water Heaters Test the TransformerThen High LIMIT, Left Terminal Test Ground 24 VAC FM TransformerTest High Limit Right Terminal Damper MotorInspect the Damper Check the PC BoardService Switch Motor Lead PC Board Motor TestThermostat Test Effikal Damper Test for 24VAC Between Black Common and Brown Harness ChartNormal Operation Test for 24VAC Between Black Common and Brown ThenTest for 24VAC Between Black and Orange Test for 24VAC Between Black and YellowTroubleshooting the Effikal Damper Test Between Black Common and Brown on the Damper BoardA1 is CORRECT, Check Service Switch Position Adjust END Switch to CAM Contact Wire Harness Test IID Module Test Pilot Spark Test Pilot Valve OHM Test SBD 120 400 GAS ValvePilot Valve Test SBD 500 only Pilot GAS Manifold Pressure TAP Blue White REDMain Burner Test Flame Rectification Flame RectificationPilot is lit Sparking has stopped Main GAS Valve Check Main GAS Valve Coil Check Main GAS Valve Coil Check SBD 500 onlyGeneral Service Chart General Questions and Answers SBD Models 120 Thru 500A Series 110/111SBD Models 120 Thru 500A Series SBD Models 120 Thru 500A Series SBD Models 120 Thru 500A Series SBD Models 120 Thru 500A Series SBD Models 120 Thru 500A Series SBD Models 120 Thru 500A SBD Models 120 Thru 500A Series Name Specifications Component Part InformationSBD Service Checklist Natural PropaneWater Piping Comments Author Terry MulderCommercial
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SBD85 500, SBD71 120 specifications

State Industries has long been recognized as a leader in the manufacturing of water heaters and other thermal products, and its SBD85 500 and SBD71 120 units are prime examples of their innovative approach to energy efficiency and performance. These models are designed to meet diverse residential and commercial needs, showcasing the company's commitment to quality, reliability, and advanced technology.

The SBD85 500 model is an electric water heater designed to deliver an impressive capacity of 85 gallons. It features a glass-lined tank that provides durability and long-lasting performance. The insulation is a key characteristic, as it minimizes heat loss, thereby enhancing energy efficiency. One of the standout technologies integrated into this unit is the high-efficiency heating elements, which ensure rapid heating of the water while consuming minimal energy.

Furthermore, the SBD85 includes adjustable thermostats that allow users to customize their water temperatures according to specific needs. This feature not only improves user comfort but also contributes to lower energy bills by allowing for more efficient energy use. The model is engineered to operate quietly, making it an ideal choice for residential applications where noise levels can be a concern.

On the other hand, the SBD71 120 offers a more compact solution with a capacity of 71 gallons, making it suitable for smaller spaces while still providing robust performance. This model is equally energy-efficient, benefiting from similar technologies such as high-quality insulation and advanced heating elements. The SBD71 is particularly noted for its compact design, which allows for installation in tight areas without compromising on performance.

Both models are built with user-friendly features, including easy connections for water and electrical supply, and clear indicators for maintenance needs. Safety is also a priority in the design of these units, with built-in temperature relief valves to prevent overheating and pressure buildup.

In conclusion, the State Industries SBD85 500 and SBD71 120 water heaters embody the company's dedication to quality and technological advancement. Whether for a large household or a smaller living space, these models provide efficient, reliable hot water solutions tailored to meet the demands of modern consumers. With their advanced features and exceptional performance, they represent a smart investment in energy efficiency and long-term value.
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