Lennox International Inc O23V-70, O23V5-140 O23V Model, Supply TOP Flue Outlet Side Flue Outlet

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OPT. OUTDOOR COMBUSTION AIR INLET CENTERING HOLE (Field Fabricate Right Side only)

RETURN AIR OPENING (Either Side)

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CAUTION

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505082M 10/05

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Contents 505,082M Unit Start-Up & AdjustmentsTechnical Blower ControlO23V Model Supply TOP Flue Outlet Side Flue Outlet4X4 Combustion O23V Installation Clearances Inches mmTop of plenum & duct Model NoBeckett Oil Burner Nozzle Adjustment O23V Series Burner RemovalWall Thimble Masonry ChimneyShouldberepairedorreplaced,Accumulationof con Factory-built ChimneyAir from Outside Air from an Adjacent SpaceEquipment In Confined Space All Air From Inside Removal of Unit from Common Venting System Equipment in Confined Space All Air From OutsideDirect Connection of Outdoor Air for Combus- tion Horizontal VentingRadiation Shield Installation Alternate Side Flue ConnectionsSystem Oil Piping One-Pipe SystemOil One-Pipe Systems Micron replacement cartridge for filter, 45 gphFilter restriction indicator gauge 81 P89Control Board A54 Blower Control Board A54Blower YI ID12 DDZ3g fAdjust Heat PumpModel O23V2/3-70/90 Units Continuous FanCfm Model O23V3/4-105/120 Units023V Wiring Diagram LLLAdjusting Limit Control PsigServicing the Oil Burner Servicing the Air FilterProcedure Check thermostat settings CausesCorrection Source Procedure CausesBurner Replacethe fuseSource SourceProcedureCauses Correction Locate and secure connection PowerAfter burner fires Too little heat Source ProcedureToo much heat Owner Record ReplacementInstallation Data Start-Up Procedure

O23V2-90, O23V-90, O23V4-105, O23V5-154, O23V3-70 specifications

Lennox International Inc. is a leading provider of innovative climate control solutions, widely recognized for its high-quality heating, ventilation, and air conditioning (HVAC) systems. Among its varied product line, the O23 series exemplifies Lennox's commitment to energy efficiency, performance, and user-friendly technology.

The O23V2-90, O23V3-120, O23V3-90, O23V4-105, and O23V2-70 are advanced models of the O23 series, designed specifically for residential settings. Each model offers unique specifications tailored to meet diverse customer needs.

These units are equipped with cutting-edge inverter technology, which allows for precise control of air temperature and flow. By adjusting the compressor speed, these systems optimize energy consumption while maintaining comfort. This variable-speed operation minimizes energy waste and significantly reduces utility bills, a key advantage for homeowners seeking efficient solutions.

The O23V3-120 stands out for its high cooling and heating capacities, making it ideal for larger homes or commercial spaces. Meanwhile, the O23V2-70 model is designed for smaller applications, ensuring that even modest-sized spaces can benefit from Lennox quality. Each model also features robust insulation and construction, enhancing durability and performance over time.

Incorporating smart technology, these units come with Wi-Fi connectivity, empowering users to manage their home’s temperature remotely through a smartphone app. The integration with smart home systems further enhances the user experience, providing convenience and efficiency right at your fingertips.

Quiet operation is another hallmark of the O23 series. Each model is engineered to reduce sound levels, ensuring that comfort does not compromise peace within the home.

Additionally, these units are designed with environmentally-friendly refrigerants, aligning with global sustainability efforts. This focus on eco-conscious technology not only adheres to regulatory standards but also appeals to environmentally-aware consumers.

Overall, Lennox O23 series models showcase a blend of advanced technology, efficient performance, and user-friendly features, embodying the brand’s commitment to excellence in climate control solutions. For homeowners and businesses alike, investing in these models translates to greater comfort, cost savings, and a reduced ecological footprint.