A.O. Smith 100 Power Vent DV Series 120 Introduction, Abbreviations Used, Qualifications

Page 7

introduction

Thank You for purchasing this water heater. Properly installed and maintained, it should give you years of trouble free service.

Abbreviations Used

Abbreviations found in this Instruction Manual include :

ANSI - American National Standards Institute

ASME - American Society of Mechanical Engineers

GAMA - Gas Appliance Manufacturer’s Association

NEC - National Electrical Code

NFPA - National Fire Protection Association

UL - Underwriters Laboratory

CSA - Canadian Standards Association

Qualifications

Qualified Installer or Service Agency

Installation and service of this water heater requires ability equivalent to that of a Qualified Agency (as defined by ANSI below) in the field involved. Installation skills such as plumbing, air supply, venting, gas supply and electrical supply are required in addition to electrical testing skills when performing service.

ANSI Z223.1 2006 Sec. 3.3.83: “Qualified Agency” - “Any individual, firm, corporation or company that either in person or through a representative is engaged in and is responsible for (a) the installation, testing or replacement of gas piping or (b) the connection, installation, testing, repair or servicing of appliances and equipment; that is experienced in such work; that is familiar with all precautions required; and that has complied with all the requirements of the authority having jurisdiction.”

If you are not qualified (as defined by ANSI above) and licensed or certified as required by the authority having jurisdiction to perform a given task do not attempt to perform any of the procedures described in this manual. If you do not understand the instructions given in this manual do not attempt to perform any procedures outlined in this manual.

iCOMM™ & BACnet Compatible

This water heater is compatible with the iCOMM™ remote monitoring system. The iCOMM™ system hardware and monitoring service is purchased separately. It allows users to monitor critical operational, diagnostic and energy usage data from a secure web site.

The iCOMM™ system can automatically notify selected personnel via email and/or cellular phone text messages if operational problems or user defined Alert Conditions occur.

iCOMM™ system hardware is compatible with BACnet compliant supervisory controls and building management systems. For more information call 888 928-3702.

Preparing For The Installation

1.Read the entire manual before attempting to install or operate the water heater. Pay close attention to the General Safety Information on page 4 through 6. If you don’t follow the safety rules, the water heater may not operate safely. It could cause property damage, injury and/or death.

This manual contains instructions for the installation, operation, and maintenance of the water heater. It also contains warnings throughout the manual that you must read and be aware of. All warnings and all instructions are essential to the proper operation of the water heater and your safety.

Detailed installation diagrams are also found in this manual. These diagrams will serve to provide the installer with a reference. It is essential that all venting, water piping, gas piping and wiring be installed as shown.

Particular attention should be given to the installation of thermometers at the locations indicated in the piping diagrams as these are necessary for checking the operation of the water heater.

The principal components of the water heater are identified in Features And Components on page 8 in this manual. Use this reference to locate and identify various components on the water heater.

See the Installation Checklist and Troubleshooting on page 50. By using this checklist the user may be able to make minor operational adjustments and avoid unnecessary service calls. However, service and diagnostic procedures should only be performed by a Qualified Service Agency.

Note: Costs to correct installation errors are not covered under the limited warranty.

2.Be sure to turn off power when working on or near the electrical system of the water heater. Never touch electrical components with wet hands or when standing in water.

3.The installation must conform to all instructions contained in this manual and the local code authority having jurisdiction. These shall be carefully followed in all cases. Authorities having jurisdiction should be consulted before installation begins if there are any questions regarding compliance with local, state or national codes.

In the absence of local codes, the installation must comply with the current editions of the National Fuel Gas Code, ANSI Z223.1/NFPA 54 and the National Electrical Code, NFPA 70. All documents are available from the National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269.

4.If after reading this manual you have any questions or do not understand any portion of the instructions, call the toll free number on the back cover of this manual for technical assistance. In order to expedite your request, please have the full Model, Serial and Series number of the water heater you are working with available for the technician. This information is located on the water heater’s rating plate.

5.Carefully plan the placement of the water heater. Examine the location to ensure that it complies with the requirements in Locating The Water Heater on page 10 and the Rough In

Dimensions on page 9.

.

6.For installation in California this water heater must be braced or anchored to avoid falling or moving during an earthquake. See instructions for correct installation procedures. Instructions may be obtained from California Office of the State Architect, 1102 Q Street, Suite 5100, Sacramento, CA 95811.

7.Massachusetts Code requires this water heater to be installed in accordance with Massachusetts 248-CMR 2.00: State Plumbing Code and 248-CMR 5. See Commonwealth of Massachusetts on page 22.

7

Image 7
Contents Printed Whenever maintenance adjustment or service is required317443-000 Table of contents Approvals Safe installation, use and servicePrecautions Hydrogen Gas Flammable General safety informationGrounding Instructions General safety information Fire or Explosion Hazard Qualifications Preparing For The InstallationIntroduction Abbreviations UsedReplacement Parts and Deliming Products Features and componentsRecovery capacity based on 96% thermal efficiency Installation considerationRough in Dimensions Rough-In-DimensionsLocating The Water Heater Property Damage HazardInsulation Blankets Combustion AIR and VentilationUnconfined Space Outdoor Air Through One Opening Confined SpaceFresh Air Openings For Confined Spaces Outdoor Air Through Two OpeningsAir From Other Indoor Spaces Outdoor Air Through Two Horizontal DuctsWater Piping Installing the new water heaterPower Supply Chemical Vapor CorrosionDishwashing Machines Mixing ValvesSpace heating and potable water system Thermal Expansion Closed Water SystemsValve and Pipe Insulation if supplied Valve Discharge Pipe Requirements Temperature-Pressure Relief ValveCondensate Piping Gas pipingFilling the Water Heater High Altitude Installations Sediment TrapsVent Pipe Termination VentingPlanning the Vent System Vent Terminal INSTALLATION, Sidewall Installation of Vent SystemSignage Installation Requirements Commonwealth of MassachusettsInstallation of Carbon Monoxide Detectors Approved Carbon Monoxide DetectorsPower Vent Termination Clearances Sidewall Power VentDirect Vent Termination Clearances Sidewall Direct VentVent Terminals Supplied with Heater Must be Used Installation SequenceSequence of INSTALLATIONS, a Vent Termination a Direct Vent terminal installationFlat Roof Installation Description Qty Concentric vent installationSafety Considerations KIT ComponentsConcentric Termination Flat Roof Clearance MULTI-CONCENTRIC Vent Terminations Direct vent diagram Vent Pipe Preparation Step G Step BStep E Step FON/OFF Switch Blower Prover SwitchBlocked Exhaust Switch Blocked Intake SwitchPower Vent Wiring Schematic Figure What to do if YOU Smell GAS Do not try to light the burner by handDo not TRY to Light the Burner by Hand HI Limit Switch ECO Temperature regulationOverview Control system operationControl System Navigation Status Icons Icon DescriptionControl System Menus Operating StatesTemperatures Operating Set Point And Differential Adjustment User Settings & Control System MenusBlower Low On , Blower High On displays whether TemperaturesHeater Status ECO Contact , Blocked Inlet PS , Blocked Outlet PS , BlowerHeater Information Display SettingsRestore Factory Defaults Current FaultFault History Fault OccurrenceService Contact Information Service Contact InformationStart UP Conditions For your informationOperational Conditions Anode ROD Inspection Periodic maintenanceTemperature-Pressure Relief Valve Operation Venting System InspectionTo drain the water heater storage tank ServiceTo Flush the Water Heater Storage Tank Temperature-Pressure Relief Valve Test MaintenanceLeakage checkpoints Installation Checklist TroubleshootingYES no Sequence Of Operation Flow ChartFault And Alert Conditions Operational ProblemsDiagnostic Checks Resetting Control System Lock OutsAC Reversed Fault And Alert MessagesBlower Prover Failure Page Page Page Fill in Warranty and Keep for Future Reference Limited Warranty

100 Power Vent DV Series 120, 317443-000 specifications

The A.O. Smith 317443-000,100 Power Vent DV Series 120 is an advanced water heating solution designed to enhance efficiency and performance for residential applications. As part of A.O. Smith's renowned lineup, this model embodies the company's commitment to innovation and energy conservation.

One of the main features of the DV Series 120 is its power venting capability. This technology allows for flexible installation options, as it can vent vertically or horizontally, accommodating various home configurations. It utilizes a fan-assisted venting system, which efficiently expels exhaust gases, ensuring safe operation even in tight spaces.

The unit's energy efficiency is another standout characteristic. Equipped with a high-efficiency gas burner, the DV Series 120 optimizes fuel consumption, resulting in lower utility bills while providing reliable hot water when needed. Its impressive Energy Factor (EF) ratings make it an environmentally friendly choice, aligning with modern standards for green building practices.

Durability is also a significant focus of the A.O. Smith 317443-000,100 Power Vent model. Constructed with a glass-lined tank and a robust anode rod, this water heater is designed to resist corrosion and extend its lifespan. This construction enhances performance reliability while minimizing maintenance needs, making it a smart investment for homeowners.

Smart technologies are integrated into the DV Series 120, featuring an intelligent control system that provides various operational insights. The built-in diagnostic features allow homeowners to monitor performance and identify potential issues early, reducing the likelihood of unexpected failures. This control system can also enable more precise temperature management, enhancing both comfort and efficiency.

Safety is paramount in the design of the A.O. Smith 317443-000,100. The unit comes equipped with safety features such as a built-in flame rollout sensor and an automatic shut-off system to protect against potential hazards. These features ensure peace of mind for users, allowing them to confidently rely on their hot water supply.

In summary, the A.O. Smith 317443-000,100 Power Vent DV Series 120 stands out as a high-efficiency water heating solution, combining innovative venting technologies, durability, smart features, and safety mechanisms. This model is an ideal choice for homeowners seeking a reliable and efficient hot water system that meets modern energy standards.