Lochinvar 51 operation manual Direct venting options Vertical Vent

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Installation & Operation Manual

3General venting (continued)

Direct venting options - Vertical Vent

Figure 3-4PVC/CPVC Two-Pipe

Figure 3-5Stainless Steel Two-Pipe Figure 3-6PVC/CPVC Concentric

Vertical Termination - See page 27

Vertical Termination - See page 27

Vertical Termination - See page 29

for more details

for more details

for more details

Direct venting options - Vertical Vent, Sidewall Air

Figure 3-7PVC/CPVC Vertical Vent, Sidewall Air

Figure 3-8Stainless Steel Vertical Vent, Sidewall Air

NOTICE

Stainless steel vent/air design and terminations will vary slightly by manufacturer.

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Contents Models 51 Contents Please read before proceeding When servicing boilerStainless steel heat exchanger Knight Wall Mount Boiler How it worksModels 51 Knight Wall Mount Boiler =B=R Rating RatingsBefore locating the boiler, check Installation must comply withCloset and alcove installations Determine boiler location1Closet Installation Minimum Required Clearances Prevent combustion air contamination Provide air openings to roomVent and air piping Wall mounting locationWhen using an existing vent system to install a new boiler Products to avoidAreas likely to have contaminants When removing a boiler from existing common vent system Prepare boiler Remove boiler from wood palletGas conversions Mounting to a wood studded wall Mounting the boilerMounting to a concrete wall Mounting to a metal studded wallDirect venting options Sidewall Vent General ventingDirect venting options Vertical Vent, Sidewall Air Direct venting options Vertical VentPVC/CPVC Vent piping materials Install vent and combustion air pipingRequirements for installation in Canada Installing vent and air pipingMake PVC/CPVC air intake/vent connectionsAir inlet pipe materials Approved Stainless Steel Vent ManufacturersBoiler Flue Intake Air Adapter Stainless steel ventBoiler Flue BoilerVent, air piping and termination Stainless steel air intake/vent connectionsRemoving from existing vent Vent and air systemModel Kit Number KIT30051 Air contamination Optional room airVent Size If using the alternate sidewall terminationSidewall direct venting Vent/air termination sidewall2AClearance to Gravity Air Inlets Multiple vent/air terminations Prepare wall penetrationsPrepare wall penetrations Alternate Field Supplied Option Termination and fittingsSidewall termination installation Sidewall termination optional concentric ventDescription and usage Sidewall termination optional concentric vent models 8Concentric Vent Dimensional DrawingMultiventing sidewall terminations 10Concentric Vent Sidewall AttachmentVent/air termination vertical Vertical direct venting2Vertical Terminations with Multiple Boilers Prepare roof penetrationsVertical termination optional concentric vent Vertical termination installationMinimum Combustion AIR Typical Multiventing vertical terminationsConcentric Venting Arrangement Alternate vertical concentric ventingAIR Inlet Flue Exhaust Seal CAP Existing Flue Outlet Existing vent as a chaseHydronic piping Near boiler piping components Circulator sizing Near boiler piping connectionsModel Minimum Pipe Pump Size GrundfosArmstrong UP26-96 FC/VS IFC VS Stratos 1.25 3 x Variable speed pump setupVariable speed pump option Model Grundfos3Single Boiler Single Temperature Zoned with Circulators Number of Units 5Single Boiler Multiple Temperatures Multiple Boilers Multiple Temperatures Model 8Single Boiler Zoned with Valves Model 10Single Boiler Non-Zoned Primary/Secondary Piping Gas connections Connecting gas supply pipingPropane Gas Natural gasNatural Gas Pipe Capacity Chart Check inlet gas supplyLength of Pipe in Straight Feet for 1/2 PSI Gas Pressure Gas valve replacementLow voltage connections Field wiringInstallation must comply with Line voltage connectionsThermostat Outdoor temperature sensorLouver proving switch Flow switchBoiler management system Alarm contactsWiring of the cascade System supply sensorInstallation Condensate drain Condensate disposalFill and test water system Freeze protection when usedStart-up Check/control water chemistryInspect/check condensate lines and fittings Clean/Inspect Trap AssemblyCheck for gas leaks Check thermostat circuits Inspect/fill condensate systemCheck system and boiler Final checks before starting the boilerStart the boiler If boiler does not start correctly2Operating Instructions Natural Gas Propane Set space heating operationVerify DHW mode Configuration of the cascadeSet domestic hot water DHW operation General Operating informationProtection features Boiler temperature regulation Cascade Outdoor reset operation, if usedOperation Display Sequence of operationAccess modes InstallerUser 1Control Panel Knight wall mount boiler control moduleCall for Heat Information Right Select no Maintenance Maintenance and annual startup Service technicianOwner maintenance Maintenance Check expansion tank Check ignition ground wiringCheck all boiler wiring Check control settingsOiled bearing circulators Check flame signalCleaning boiler heat exchanger Review with ownerPC Interface Diagrams2Wiring Diagram Page Page

51 specifications

Lochinvar 51 is an innovative and robust residential boiler system designed for high-efficiency heating needs. A popular choice among homeowners, the Lochinvar 51 stands out in the market due to its advanced features and eco-friendly technologies.

One of the main features of Lochinvar 51 is its compact design, making it ideal for installation in limited space environments such as attics or closets. Despite its small footprint, it boasts a powerful heating capacity, suitable for varying home sizes. The boiler operates with a modulating gas burner that allows it to adjust its heat output according to the demand, ensuring efficiency and comfort throughout the day.

The Lochinvar 51 employs a cutting-edge heat exchanger made from stainless steel, which is highly durable and resistant to corrosion. This design not only enhances the boiler's performance but also increases its lifespan. The unit offers impressive AFUE (Annual Fuel Utilization Efficiency) ratings, showcasing its capability to convert a significant portion of fuel into usable heat, thus minimizing energy waste and reducing heating costs.

Technologically, the Lochinvar 51 is equipped with advanced control systems that facilitate precise temperature management. The intuitive interface allows homeowners to easily set their desired temperature and monitor the system’s performance. Additionally, the integration of outdoor reset technology helps optimize energy consumption by adjusting the water temperature based on outside weather conditions, leading to further energy savings.

Safety features are also paramount in the Lochinvar 51. It includes built-in safeguards that monitor pressure and temperature, automatically shutting down the system in case of any irregularities. This not only protects the boiler but also ensures peace of mind for users.

Moreover, Lochinvar 51 supports compatibility with smart home systems, providing homeowners with remote control capabilities via mobile devices. This innovative feature enhances user convenience, allowing for easy adjustments and monitoring of the heating system from anywhere.

In conclusion, the Lochinvar 51 is an exceptional choice for homeowners looking for a reliable, efficient, and technologically advanced heating solution. With its impressive heating capacity, durable design, and innovative control features, it sets a high standard in residential boiler performance, making it a top contender in today’s market.
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