Smith Cast Iron Boilers GT Series manual For Your Safety Read Before Operating

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GT INSTALLATION AND OPERATION INSTRUCTIONS

FOR YOUR SAFETY READ BEFORE OPERATING

WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

A.This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand.

B.BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS

•Do not try to light any appliance.

•Do not tough any electric switch; do not use any phone in your building.

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

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

C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don’t try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.

D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control that has been under water.

OPERATING INSTRUCTIONS

1.STOP! Read the safety information above.

2.Turn off all electric power to the appliance.

3.Set the thermostat to lowest setting.

4.This appliance is equipped with an ignition device, which automatically lights the burner. Do not try to light the burner by hand!

GAS IN

LINE

PRESSURE

MANIFOLD

out

 

PRESSURE

 

INPUT

SCREW

5.Remove control access panel.

6.Turn the manual gas supply shut off valve clock-

wise to the full “OFF” position.

7.Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you then smell gas STOP! Follow “B” in the safety information above. If you don’t smell gas, go to the next step.

8.Turn the manual gas supply shut off valve

counter-clockwise to “ON”.

9.Replace control access panel.

10.Turn on all electric power to the appliance.

11.Set thermostat to desired setting.

12.If the appliance will not operate, follow the instruct- tions “TO TURN OFF GAS TO APPLIANCE” and call your service technician or gas supplier.

TO TURN OFF GAS TO APPLIANCE

1.Turn off all electric power to the appliance.

2.Set the thermostat to lowest setting.

3.Remove control access panel.

4.Turn the manual gas supply shut off valve clock-

wise to the full “OFF” position.

5.Replace control access panel.

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Contents Gama Energy Star North ELM Street WESTFIELD, MA 01085 TEL 562-9631 FAX 413Boiler Ratings & Capacities ContentsBefore YOU Start Boiler Location Input vs Elevation GraphCombustion AIR General Venting GuidelinesHorizontal Direct Vent Systems Separate Air Intake and Vent Terminals Horizontal Terminal LocationsWall Penetration Detail External Air Intake and Vent Systems Debris Screen Installation Vertical Direct Vent SystemsCondensate Drain Concentric Through the RoofGeneral Plumbing Guidelines Pressure Relief Valve Relief Valve PipingMultiple Boiler Primary Loop Primary Loop PlumbingSecondary 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 Pipe Capacity Equivalent Pipe Length ChartGAS Supply Piping Electrical Wiring Thermostat InstallationMultiple 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 Sentry 2100T Controller Boiler ModulationIndirect Water Heaters Sentry DisplaySetting Sentry 2100T control Recommended SettingsRecommend System Temperatures Outdoor Sensor 10K=140.6 F, 42C Determining Reset Temperature HICalc= 200F, 93C 70F, 21C /70F, 21C Normal Flue Gas Composition Natural Gas Propane Boiler SET UPOperating Instructions Gas Valve Layout, GT-150 Ignition SystemOperational Flow Chart For Your Safety Read Before Operating Boiler Checking & Adjustment Gas Pressure AdjustmentInput Rate Main Burner FlameBoiler Maintenance Wall Hung Conversion Aquastat High LimitTrouble Shooting Temperature isBurner shuts off Before set-pointAir Switch is Open Air Switch is ClosedIndicates that Ignition SequenceTwo Flashes on FenwalThree Flashes on Boiler will not stayCreating a noise Residence. This is not a warranty issue HousingWarranty issue Sentry ControllerGT Installation and Operation Instructions Replacement Parts List Replacement Parts Exploded View Models GT150 and GT200Replacement 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.
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