A.O. Smith warranty Models HW-120M, 160M, 200M, 225M

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MODELS HW-120M, 160M, 200M, 225M

COMMERCIAL GAS COPPER HEAT EXCHANGER WATER HEATER

BURKAY UP-FLOW MODELS

Including Models with Intermittent Pilot Ignition (I.I.D.)

• Installation • Operation • Maintenance • Limited Warranty

WARNING: If the information in these instructions are not followed exactly, a fire or explosion may result causing property damage, personal injury or death.

—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.

CAUTION

TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY. PLEASE READ THOROUGHLY BEFORE USING APPLIANCE.

A DIVISION OF A.O. SMITH CORPORATION

McBEE, SOUTH CAROLINA, USA

RENTON, WA, USA

STRATFORD, ONTARIO, CANADA

VELDHOVEN, THE NETHERLANDS

www.hotwater.com

PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE

 

 

PART NO. 212626-000

PRINTED IN U.S.A. 0905

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SUPERSEDES PART NO. 192011- 000 REV.4

 

 

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Contents Commercial GAS Copper Heat Exchanger Water Heater Models HW-120M, 160M, 200M, 225MHeater Performance Data ROUGH-IN-DIMENSIONSGeneral Safety Information Table of ContentsForeword Grounding Instructions High Altitude InstallationsChemical Vapor Corrosion Liquid Petroleum ModelsAutomatic GAS Shutoff Control FeaturesThermal Balancer Intermittent Ignition Control ModuleSafety Flow Switch Tank Temperature ControlCirculating Pump Intermittent Ignition Control Module I.I.DDrain Valve Not Supplied Safety Flow Switch SettingsInstallation Instructions Venting Proper Vent Pipe InstallationRelief Valve Confined SpaceClosed Water System Hard WaterWater Line Connections Water Potable HeatingPiping Diagrams Page Page Correct GAS GAS ConnectionsSizing GAS Supply Line GAS Supply Pipe Sizes in InchesElectrical Information Page General OperationFilling Purging of GAS LineOperating Instructions for I.I.D. Models For Your Safety Read Before OperatingOver 170F 77C Checking and Adjusting the InputPilot and Main Burner Maintenance Service InformationD. Pilot Burner Main Burner for HW HeatersProtector Switch Continuity Test Protector SwitchThermal Balancer Schematic Diagram Inspecting the Heat Exchanger Venting SystemElectrical Service Preventive MaintenanceReplacement Parts GAS Pressure RegulatorRemoving Light Deposits Deliming SolventsHeavy Lime Deposits Deliming the HW Water HeaterRemoving Silicate CheckoutSystem Operation YES No Spark AT Pilot BurnerReplace pilot burner Replace ignition Module Spark AT Pilot Burner but Pilot will not LightMV & MV/PV? Pilot Burner Lights but Main Burner does not LightClaim Procedure Service and Repair ExpensesConditions and Exceptions Limitations on Implied Warranties

HW-120M, 225M, 200M, 160M specifications

A.O. Smith is renowned for its range of advanced water heaters, and the 160M, 200M, 225M, and HW-120M models stand out as some of the most reliable and innovative options available. These water heaters are designed to deliver exceptional performance, energy efficiency, and user-friendly features, making them ideal for various residential and commercial applications.

The A.O. Smith 160M model boasts a robust design that ensures longevity and efficiency. It has a 160-gallon capacity, providing ample hot water for households with high demand. This model incorporates insulation technology that minimizes heat loss, contributing to energy savings and reduced utility bills. Additionally, it features a durable exterior that is resistant to rust and corrosion.

The 200M model takes performance a step further with a higher capacity of 200 gallons, making it suitable for larger homes or businesses. This model is equipped with advanced components, including a high-efficiency burner and a powerful thermocouple that ensures reliable heating. The 200M also includes user-friendly controls that allow for precise temperature settings and easy operation.

Next in line is the A.O. Smith 225M, which offers an impressive 225-gallon capacity. This model is designed for heavy-duty usage and features a reinforced tank to withstand high pressure. The 225M is also equipped with state-of-the-art flame retention technology that optimizes fuel use, enhancing the overall efficiency of the unit. This ensures that customers not only get hot water when needed but also experience considerable savings on energy costs.

Finally, the HW-120M model is a compact solution that does not compromise on performance. With a capacity of 120 gallons, it is ideal for smaller households or spaces where water heating needs are moderate. The HW-120M includes features such as an LED display for easy temperature monitoring and an integrated safety system that prevents overheating.

All these models utilize advanced technologies such as electronic ignition and enhanced insulation materials, contributing to a reduction in energy consumption and maintenance needs. The combination of these features makes A.O. Smith appliances a smart choice for consumers looking for efficiency, reliability, and performance. With a strong commitment to craftsmanship and innovation, A.O. Smith continues to set the standard in water heater technology, ensuring customers enjoy reliable hot water access while promoting energy efficiency.
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