Smith Cast Iron Boilers GT Series manual Gama Energy Star

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GTIOM-3

MODEL GT SERIES

INSTALLATION, OPERATING AND MAINTENANCE MANUAL

Modulating, Direct Vent, Gas-Fired Condensing Boilers

Natural Or Propane

150,000 to 399,000 Btuh Input

gama ENERGY STAR

see note

WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS:

Do not try to light any appliance.

Do not touch any electrical switch. Do not use any phone in your building.

Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency or the gas supplier.

WARNING: Installation and service must be performed by a qualified installer, service agency or the gas supplier in accordance with all local and national codes. Failure to comply with this warning can result in a fire or explosion causing property damage, personal injury or loss of life!

WARNING: It is the responsibility of the homeowner to keep the vent terminal clear of snow and ice. Failure to comply with this warning can result in excessive levels of carbon monoxide causing severe personal injury or death!

INSTALLER: THESE INSTRUCTIONS MUST BE AFFIXED ADJACENT TO THE BOILER. CONSUMER: RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE PURPOSES.

Note: For LP gas use conversion kit: GT82650-1 on GT-150 & 200, GT83017-1 on GT-400

WESTCAST, INC.

260 NORTH ELM STREET WESTFIELD, MA 01085 TEL. (413) 562-9631 FAX (413) 562-3799

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Contents North ELM Street WESTFIELD, MA 01085 TEL 562-9631 FAX 413 Gama Energy StarBefore YOU Start ContentsBoiler Ratings & Capacities Input vs Elevation Graph Boiler LocationGeneral Venting Guidelines Combustion AIRHorizontal Direct Vent Systems Horizontal Terminal Locations Separate Air Intake and Vent TerminalsWall Penetration Detail External Air Intake and Vent Systems Vertical Direct Vent Systems Debris Screen InstallationConcentric Through the Roof Condensate DrainGeneral Plumbing Guidelines Relief Valve Piping Pressure Relief ValvePrimary Loop Plumbing Multiple Boiler Primary LoopSecondary Loop Plumbing Low Water Cut Off, LwcoSingle Boiler with Indirect Hot Water Heater Multiple Boiler Installation Multiple Zones Using Circulators Multiple Zones Valves with Bypass Valve GAS Supply Piping Equivalent Pipe Length ChartGas Pipe Capacity Thermostat Installation Electrical WiringMultiple Zones w/ Taco Valve Controller Models ZVC403 to ZVC Multiple 4 Wire Zone Valves GT Installation and Operation Instructions GT Installation and Operation Instructions Boiler Ladder Diagram Boiler Connection Diagram Boiler Modulation Sentry 2100T ControllerIndirect Water Heaters Sentry DisplayRecommended Settings Setting Sentry 2100T controlRecommend System Temperatures Outdoor Sensor 10K= 200F, 93C 70F, 21C /70F, 21C Determining Reset Temperature HICalc=140.6 F, 42C Operating Instructions Boiler SET UPNormal Flue Gas Composition Natural Gas Propane Ignition System Gas Valve Layout, GT-150Operational Flow Chart For Your Safety Read Before Operating Gas Pressure Adjustment Boiler Checking & AdjustmentInput Rate Main Burner FlameBoiler Maintenance Aquastat High Limit Wall Hung ConversionTemperature is Trouble ShootingBurner shuts off Before set-pointAir Switch is Closed Air Switch is OpenIndicates that Ignition SequenceFenwal Two Flashes onThree Flashes on Boiler will not stayHousing Creating a noise Residence. This is not a warranty issueWarranty issue Sentry ControllerGT Installation and Operation Instructions Replacement Parts Exploded View Models GT150 and GT200 Replacement Parts ListReplacement Parts Exploded View Model GT400 GT Installation and Operation Instructions WESTCAST, INC

GT Series specifications

Smith Cast Iron Boilers GT Series has become a benchmark in the hydronic heating industry, renowned for its exceptional performance, durability, and efficiency. This series is designed to cater to diverse heating needs, making it a popular choice among both residential and commercial applications.

One of the standout features of the GT Series is its robust cast iron construction. The cast iron sections offer superior thermal mass, allowing for better heat retention and distribution. This characteristic ensures that the boiler operates efficiently, maintaining comfortable temperatures even during extreme cold weather conditions. The engineers at Smith have meticulously designed each section to provide maximum strength and longevity, resulting in a boiler that can withstand the test of time.

The GT Series also incorporates advanced combustion technology. It utilizes a high-efficiency burner that optimizes fuel consumption, resulting in lower operating costs for homeowners and businesses alike. The boiler is engineered to accommodate a variety of fuel types, including natural gas and propane, giving users flexibility in their energy choices. This adaptability not only enhances efficiency but also promotes environmental sustainability by allowing for the use of cleaner fuel sources.

Another notable technology featured in the GT Series is the electronic control system. This system simplifies boiler operation and enhances user convenience. The intuitive interface provides real-time feedback and diagnostics, making it easier for technicians to perform maintenance and troubleshoot any issues that may arise. Additionally, the boiler’s modulating operation adjusts the burner output according to the heating demand, further improving efficiency and comfort.

Moreover, the GT Series is designed with user-friendly installation in mind. Its compact footprint allows for easy integration into existing heating systems, minimizing space requirements. Additionally, the boiler is equipped with convenient access points for maintenance, ensuring that servicing is straightforward and can be performed without extensive downtime.

Lastly, the Smith Cast Iron Boilers GT Series is designed to meet stringent safety and performance standards. Featuring multiple safety controls and systems, it provides peace of mind for users. With a commitment to quality, efficiency, and performance, the GT Series stands out as a leading solution for hydronic heating, catering to the evolving needs of today’s energy-conscious consumers.