A.O. Smith 3400 System Synchronization S7999B OI Display only, Configuration, Hydronic Control

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SYSTEM SYNCHRONIZATION (S7999B OI DISPLAY ONLY)

The user can manually synchronize configuration data from the connected controls at any time.

A new control is visible when configuration and status data is gathered from it. This collection procedure takes a few minutes. The control is marked as “Unknown” when no configuration information exists. Normally, control configuration data collection only needs to be performed when the control is initially installed. However, a re synchronization is necessary after the OI Display is reset. See Figure 76.

The user presses the Synchronize button to begin synchronization with the control. See Figure 76.

Figure 76.  SYSTEM SYNCHRONIZATION

Status of the synchronization is reflected in the dialog box. The synchronization can be aborted by selecting the Cancel button.

CONFIGURATION

The Burner Control can be configured from the OI Display. The control configuration is grouped into the functional groups as shown in Table 23.

Table 23.  FUNCTIONAL CONFIGURATION GROUPS

HYDRONIC CONTROL

System Identification and

Access

CH - Central Heat

Outdoor Reset

DHW - Domestic Hot Water

DHW Storage

DHW Plate

Warm Weather Shutdown

Demand Priority

Modulation Configuration

Pump Configuration

Statistics Configuration

High Limit

Stack Limit

Delta T Limits

T-Rise Limit

Heat Exchanger High Limit

Anti-condensation

Frost Protection Configuration

Annunciation Configuration

Burner Control Interlocks

Burner Control Timings and Rates

Burner Control Ignition

Burner Control Flame Failure

System Configuration

Fan Configuration

Sensor Configuration

Lead Lag Slave Configuration

Lead Lag Master Configuration

Most of this configuration is performed by the Service Agent or at A.O. Smith. Each functional group is displayed on the Configuration menu page.

Parameters in functional groups that are not applicable for the installation can be ignored. In some cases, features in a functional group are disabled by default and are enabled when needed for the installation.

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Contents XP Boiler Table of Contents Safe INSTALLATION, USE and Service ApprovalsImportant Definitions General Safety Introduction Model IdentificationAbbreviations Used QualificationsDimensions and Capacity Data Operating CharacteristicsDouble Heat Exchanger Boiler Rough in Dimensions Double Ratings Electrical RequirementsFLOW, Head and Temperature Rise XB Models FLOW, Head and Temperature RiseFeatures and Components Single Heat Exchanger Boiler ComponentsDouble Heat Exchanger Boiler Components Component Description Low water cutoff board and sensor probe LwcoControl Components Flame Sensor Water Temperature Sensors Water Temperature Limit ControlsMain Power Supply Switch LOW Water Cutoff Device LwcoBoiler Installation Considerations GeneralHydronic System Internal Contaminants HOT Water Boiler System General Water Line ConnectionsClosed Water Systems Thermal ExpansionExplosion Hazard GAS ConnectionsCorrosive Materials and Contamination Sources GAS Supply Line SizingField Wiring VAC Power Supply WiringPower Supply Check LOW Voltage Control WiringSuggested Pipe Size for Multiple GAS Appliances Natural GAS General Requirements Required AbilityLocation Replacing Existing Common Vented BoilerInstallation Clearances Panels and CoversChemical Vapor Corrosion LevelingConfined Space Outdoor AIR Through TWO Openings Fresh AIR Openings for Confined SpacesOutdoor AIR Through ONE Opening Outdoor AIR Through TWO Horizontal Ducts Outdoor AIR Through TWO Vertical DuctsAIR from Other Indoor Spaces DuctsVenting Vent and AIR Pipe Installation Requirements for Installation in CanadaAIR Inlet Pipe Materials Vertical Installation Requirements Horizontal Installation RequirementsDirect Vent Installation Requirements Venting SupportsModels Vent KIT Numbers XB/XW Rain CAP Models Vent KIT Numbers XB/XW TEEModels Vent AIR Intake XB/XW KIT Numbers TEE Elbow Models Vent AIR Intake XB/XW KIT Numbers Rain CAP ElbowDirect VENT, Vertical Vent Horizontal Intake Termination Clearances Sidewall Power Vent Power VentTermination Clearances Sidewall Direct Vent Direct VentBELOW. Keep Clear of ALL Obstructions Direct Vent Horizontal Termination VENT/AIR Termination LocationsTermination Direct Venting Vertical Termination Prepare ROOF/WALL PenetrationsVertical ClearancesModel Vent Diameter Vent MIN. Length Vent MAX. Length Inch Condensate Disposal Condensate NeutralizerCondensate Trap XP Models AO Smith Condensate Neutralizer KIT NumbersGAS Supply Connections GAS Supply Pipe ConnectionsGAS Pressure Requirements Pipe Sizes for Propane GAS Purging GAS LineCheck GAS Supply Inlet Pressure Check for GAS LeaksFilling and Purging of Heating Boiler Installation Filling HOT Water Supply Boiler InstallationBoiler Start UP and Operations Manifold Pressure ConnectionsFreeze Protection Hydronic Heating Installation CHECK/CONTROL Water HardnessINSPECT/FILL Condensate System Water Hardness Medium 0-12 Grains PER Gallon XW ModelLighting and Operating Instructions Adjustment Setting of the Test ModeHigh Fire Rate Control System Burner Control SystemOverview Specifications Communications and DisplaysBurner Control Operation General Operational Sequence Lead LAG Domestic HOT WaterLead LAG LL Master General Operation Features Local Operator Interface Display SystemDefinitions Installation Instructions S7999B OI Display Quick Setup S7999B OI DisplayMounting the S7999B OI Display and Power Supply POWER-UP Validation Common OI Display page SymbolsStarting UP the S7999B OI Display NavigationS7999B Display page Flow Configure Button Status or HomeConfiguration Password LoginChange Parameter Settings KeyboardExample of Change Configuration Parameter VerifyFAULT/ALARM Handling Data CommentHistory Button Example of Hydronic History Control Expanded Alert Detail Operation ButtonDiagnostics Button System Configuration S7999B OI Display onlyConfiguration System Synchronization S7999B OI Display onlyHydronic Control Troubleshooting Code Description Recommended Troubleshooting Lockout CodesReserved ILK OFF Flame Operation Faults 105 Flame detected out of sequence Adjust the LF switch while in this position Inspect the Combustion Pressure Switch to make Code Description Recommended Troubleshooting Lockout Codes Code Description Recommended Troubleshooting Lockout Codes Code Description AllowedFan Parameter Errors Code Description Steam 20mA water temperature setting was invalid Abnormal Recycle Hardware flame bias delta high Eeprom DHW Plate Heat Exchanger Errors Maintenance Procedures Maintenance SchedulesGeneral Maintenance Inspect Boiler AreaBurner Maintenance Blower CompartmentAIR Filter BOX Venting Maintenance Heat Exchanger MaintenanceCondensate Removal System Replacement Parts Handling Ceramic Fiber MaterialsPiping Diagrams Inlet DIAStorage Tank AOS Limited Warranty Conditions and Exceptions

3400, 1700, 2000, 2600 specifications

A.O. Smith, a leader in water heating solutions, has developed a range of high-efficiency water heaters that cater to various residential and commercial needs. Among their stellar offerings are the A.O. Smith 2600, 2000, 1700, and 3400 models, each boasting impressive features, cutting-edge technologies, and excellent energy efficiency.

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